From eb9801ccfbd6d808e4761d66202bc368b86679b6 Mon Sep 17 00:00:00 2001
From: Keith Whitwell <keithw@vmware.com>
Date: Tue, 24 Mar 2009 16:35:29 +0000
Subject: progs/trivial: add fflushes for cygwin

---
 progs/trivial/clear-fbo-tex.c              | 1 +
 progs/trivial/clear-fbo.c                  | 1 +
 progs/trivial/clear-random.c               | 1 +
 progs/trivial/clear-repeat.c               | 1 +
 progs/trivial/clear-scissor.c              | 1 +
 progs/trivial/clear-undefined.c            | 1 +
 progs/trivial/clear.c                      | 1 +
 progs/trivial/createwin.c                  | 1 +
 progs/trivial/dlist-dangling.c             | 1 +
 progs/trivial/dlist-edgeflag-dangling.c    | 1 +
 progs/trivial/dlist-edgeflag.c             | 1 +
 progs/trivial/line-clip.c                  | 1 +
 progs/trivial/line-cull.c                  | 1 +
 progs/trivial/line-smooth.c                | 2 ++
 progs/trivial/line-stipple-wide.c          | 1 +
 progs/trivial/line-userclip-clip.c         | 1 +
 progs/trivial/line-userclip-nop-clip.c     | 1 +
 progs/trivial/line-userclip-nop.c          | 1 +
 progs/trivial/line-userclip.c              | 1 +
 progs/trivial/line-wide.c                  | 1 +
 progs/trivial/line.c                       | 1 +
 progs/trivial/lineloop-clip.c              | 1 +
 progs/trivial/lineloop.c                   | 1 +
 progs/trivial/linestrip-clip.c             | 1 +
 progs/trivial/linestrip-flat-stipple.c     | 1 +
 progs/trivial/linestrip-stipple-wide.c     | 1 +
 progs/trivial/linestrip-stipple.c          | 1 +
 progs/trivial/linestrip.c                  | 1 +
 progs/trivial/long-fixed-func.c            | 1 +
 progs/trivial/point-clip.c                 | 1 +
 progs/trivial/point-param.c                | 1 +
 progs/trivial/point-sprite.c               | 1 +
 progs/trivial/point-wide-smooth.c          | 1 +
 progs/trivial/point-wide.c                 | 1 +
 progs/trivial/point.c                      | 1 +
 progs/trivial/poly-flat-clip.c             | 1 +
 progs/trivial/poly-flat-unfilled-clip.c    | 1 +
 progs/trivial/poly-flat.c                  | 1 +
 progs/trivial/poly-unfilled.c              | 1 +
 progs/trivial/poly.c                       | 1 +
 progs/trivial/quad-clip-all-vertices.c     | 1 +
 progs/trivial/quad-clip-nearplane.c        | 1 +
 progs/trivial/quad-clip.c                  | 1 +
 progs/trivial/quad-degenerate.c            | 1 +
 progs/trivial/quad-flat.c                  | 1 +
 progs/trivial/quad-offset-factor.c         | 1 +
 progs/trivial/quad-offset-unfilled.c       | 1 +
 progs/trivial/quad-offset-units.c          | 1 +
 progs/trivial/quad-tex-2d.c                | 1 +
 progs/trivial/quad-tex-3d.c                | 1 +
 progs/trivial/quad-tex-alpha.c             | 1 +
 progs/trivial/quad-tex-pbo.c               | 1 +
 progs/trivial/quad-tex-sub.c               | 1 +
 progs/trivial/quad-unfilled-clip.c         | 1 +
 progs/trivial/quad-unfilled-stipple.c      | 1 +
 progs/trivial/quad-unfilled.c              | 1 +
 progs/trivial/quad.c                       | 1 +
 progs/trivial/quads.c                      | 1 +
 progs/trivial/quadstrip-clip.c             | 1 +
 progs/trivial/quadstrip-cont.c             | 1 +
 progs/trivial/quadstrip-flat.c             | 1 +
 progs/trivial/quadstrip.c                  | 1 +
 progs/trivial/readpixels.c                 | 1 +
 progs/trivial/tri-alpha-tex.c              | 1 +
 progs/trivial/tri-alpha.c                  | 1 +
 progs/trivial/tri-blend-color.c            | 1 +
 progs/trivial/tri-clear.c                  | 1 +
 progs/trivial/tri-clip.c                   | 1 +
 progs/trivial/tri-cull-both.c              | 1 +
 progs/trivial/tri-cull.c                   | 1 +
 progs/trivial/tri-dlist.c                  | 1 +
 progs/trivial/tri-edgeflag.c               | 1 +
 progs/trivial/tri-fbo.c                    | 1 +
 progs/trivial/tri-flat-clip.c              | 1 +
 progs/trivial/tri-flat.c                   | 1 +
 progs/trivial/tri-fog.c                    | 1 +
 progs/trivial/tri-fp-const-imm.c           | 1 +
 progs/trivial/tri-fp.c                     | 1 +
 progs/trivial/tri-lit.c                    | 1 +
 progs/trivial/tri-logicop-none.c           | 1 +
 progs/trivial/tri-logicop-xor.c            | 1 +
 progs/trivial/tri-mask-tri.c               | 1 +
 progs/trivial/tri-multitex-vbo.c           | 1 +
 progs/trivial/tri-orig.c                   | 1 +
 progs/trivial/tri-query.c                  | 1 +
 progs/trivial/tri-repeat.c                 | 1 +
 progs/trivial/tri-scissor-tri.c            | 1 +
 progs/trivial/tri-square.c                 | 1 +
 progs/trivial/tri-stipple.c                | 1 +
 progs/trivial/tri-tex-3d.c                 | 1 +
 progs/trivial/tri-tex.c                    | 1 +
 progs/trivial/tri-tri.c                    | 1 +
 progs/trivial/tri-unfilled-clip.c          | 1 +
 progs/trivial/tri-unfilled-edgeflag.c      | 1 +
 progs/trivial/tri-unfilled-fog.c           | 1 +
 progs/trivial/tri-unfilled-point.c         | 1 +
 progs/trivial/tri-unfilled-smooth.c        | 1 +
 progs/trivial/tri-unfilled-tri-lit.c       | 1 +
 progs/trivial/tri-unfilled-tri.c           | 1 +
 progs/trivial/tri-unfilled-userclip-stip.c | 1 +
 progs/trivial/tri-unfilled-userclip.c      | 1 +
 progs/trivial/tri-unfilled.c               | 1 +
 progs/trivial/tri-userclip.c               | 1 +
 progs/trivial/tri-viewport.c               | 1 +
 progs/trivial/tri-z-9.c                    | 1 +
 progs/trivial/tri-z-eq.c                   | 1 +
 progs/trivial/tri.c                        | 1 +
 progs/trivial/trifan-flat-clip.c           | 1 +
 progs/trivial/trifan-flat-unfilled-clip.c  | 1 +
 progs/trivial/trifan-flat.c                | 1 +
 progs/trivial/trifan-unfilled.c            | 1 +
 progs/trivial/trifan.c                     | 1 +
 progs/trivial/tristrip-clip.c              | 1 +
 progs/trivial/tristrip-flat.c              | 1 +
 progs/trivial/tristrip.c                   | 1 +
 115 files changed, 116 insertions(+)

(limited to 'progs/trivial')

diff --git a/progs/trivial/clear-fbo-tex.c b/progs/trivial/clear-fbo-tex.c
index eccfde5ae63..a206676e48e 100644
--- a/progs/trivial/clear-fbo-tex.c
+++ b/progs/trivial/clear-fbo-tex.c
@@ -27,6 +27,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
 
    if (!glutExtensionSupported("GL_EXT_framebuffer_object")) {
diff --git a/progs/trivial/clear-fbo.c b/progs/trivial/clear-fbo.c
index 64b25430c66..0aeb45489f2 100644
--- a/progs/trivial/clear-fbo.c
+++ b/progs/trivial/clear-fbo.c
@@ -23,6 +23,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
 
    if (!glutExtensionSupported("GL_EXT_framebuffer_object")) {
diff --git a/progs/trivial/clear-random.c b/progs/trivial/clear-random.c
index f3a67dbe8a8..e3da23a8f55 100644
--- a/progs/trivial/clear-random.c
+++ b/progs/trivial/clear-random.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
 }
 
diff --git a/progs/trivial/clear-repeat.c b/progs/trivial/clear-repeat.c
index 9c618d492f3..f966adb0801 100644
--- a/progs/trivial/clear-repeat.c
+++ b/progs/trivial/clear-repeat.c
@@ -38,6 +38,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.3, 0.1, 0.3, 0.0);
 }
diff --git a/progs/trivial/clear-scissor.c b/progs/trivial/clear-scissor.c
index 5e2025bed74..01735327480 100644
--- a/progs/trivial/clear-scissor.c
+++ b/progs/trivial/clear-scissor.c
@@ -16,6 +16,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 }
 
 static void Reshape(int width, int height)
diff --git a/progs/trivial/clear-undefined.c b/progs/trivial/clear-undefined.c
index ce066bf8e6f..5ec33bf3d78 100644
--- a/progs/trivial/clear-undefined.c
+++ b/progs/trivial/clear-undefined.c
@@ -17,6 +17,7 @@ static void Init(void)
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
    fprintf(stderr, "Top right corner should be red\n");
+   fflush(stderr);
 }
 
 static void Reshape(int width, int height)
diff --git a/progs/trivial/clear.c b/progs/trivial/clear.c
index 37cfd54fbe2..03857b4b893 100644
--- a/progs/trivial/clear.c
+++ b/progs/trivial/clear.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/createwin.c b/progs/trivial/createwin.c
index 44d5b1b2c5f..f2cc6f1cffc 100644
--- a/progs/trivial/createwin.c
+++ b/progs/trivial/createwin.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/dlist-dangling.c b/progs/trivial/dlist-dangling.c
index 64054ec96c1..de106280092 100644
--- a/progs/trivial/dlist-dangling.c
+++ b/progs/trivial/dlist-dangling.c
@@ -40,6 +40,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.0, 0.0, 1.0, 0.0);
 
diff --git a/progs/trivial/dlist-edgeflag-dangling.c b/progs/trivial/dlist-edgeflag-dangling.c
index 1b66244cabf..3d3aaeb6944 100644
--- a/progs/trivial/dlist-edgeflag-dangling.c
+++ b/progs/trivial/dlist-edgeflag-dangling.c
@@ -40,6 +40,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.0, 0.0, 1.0, 0.0);
 
diff --git a/progs/trivial/dlist-edgeflag.c b/progs/trivial/dlist-edgeflag.c
index 350100681e5..8002129ed14 100644
--- a/progs/trivial/dlist-edgeflag.c
+++ b/progs/trivial/dlist-edgeflag.c
@@ -40,6 +40,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.0, 0.0, 1.0, 0.0);
 
diff --git a/progs/trivial/line-clip.c b/progs/trivial/line-clip.c
index bcee32e25fc..5276baffd5d 100644
--- a/progs/trivial/line-clip.c
+++ b/progs/trivial/line-clip.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/line-cull.c b/progs/trivial/line-cull.c
index 98218731304..1e1b77a942c 100644
--- a/progs/trivial/line-cull.c
+++ b/progs/trivial/line-cull.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/line-smooth.c b/progs/trivial/line-smooth.c
index f030de9b9fe..9c4b9a01155 100644
--- a/progs/trivial/line-smooth.c
+++ b/progs/trivial/line-smooth.c
@@ -44,10 +44,12 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
    glGetFloatv(GL_LINE_WIDTH_RANGE, aarange);
    glGetFloatv(GL_ALIASED_LINE_WIDTH_RANGE, range);
    printf("Non-AA line width range: %f .. %f\n", range[0], range[1]);
    printf("AA line width range: %f .. %f\n", aarange[0], aarange[1]);
+   fflush(stdout);
 }
 
 
diff --git a/progs/trivial/line-stipple-wide.c b/progs/trivial/line-stipple-wide.c
index 28d96c797b0..1804ffad3f0 100644
--- a/progs/trivial/line-stipple-wide.c
+++ b/progs/trivial/line-stipple-wide.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/line-userclip-clip.c b/progs/trivial/line-userclip-clip.c
index 1b9f059729c..8e030b47cea 100644
--- a/progs/trivial/line-userclip-clip.c
+++ b/progs/trivial/line-userclip-clip.c
@@ -41,6 +41,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.0, 0.0, 1.0, 0.0);	
    glClipPlane(GL_CLIP_PLANE0, plane);
diff --git a/progs/trivial/line-userclip-nop-clip.c b/progs/trivial/line-userclip-nop-clip.c
index 9f144a6e9a3..6fcd4bcfe73 100644
--- a/progs/trivial/line-userclip-nop-clip.c
+++ b/progs/trivial/line-userclip-nop-clip.c
@@ -41,6 +41,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.0, 0.0, 1.0, 0.0);	
    glClipPlane(GL_CLIP_PLANE0, plane);
diff --git a/progs/trivial/line-userclip-nop.c b/progs/trivial/line-userclip-nop.c
index 7588faeb98f..e59fd133a5f 100644
--- a/progs/trivial/line-userclip-nop.c
+++ b/progs/trivial/line-userclip-nop.c
@@ -41,6 +41,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.0, 0.0, 1.0, 0.0);	
    glClipPlane(GL_CLIP_PLANE0, plane);
diff --git a/progs/trivial/line-userclip.c b/progs/trivial/line-userclip.c
index 77d8228188c..e30be5580bd 100644
--- a/progs/trivial/line-userclip.c
+++ b/progs/trivial/line-userclip.c
@@ -41,6 +41,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.0, 0.0, 1.0, 0.0);	
    glClipPlane(GL_CLIP_PLANE0, plane);
diff --git a/progs/trivial/line-wide.c b/progs/trivial/line-wide.c
index f20505378cb..b74021dea73 100644
--- a/progs/trivial/line-wide.c
+++ b/progs/trivial/line-wide.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/line.c b/progs/trivial/line.c
index 7ccbce3750a..e1d73280bfc 100644
--- a/progs/trivial/line.c
+++ b/progs/trivial/line.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/lineloop-clip.c b/progs/trivial/lineloop-clip.c
index fbeca985b90..45fa47491f8 100644
--- a/progs/trivial/lineloop-clip.c
+++ b/progs/trivial/lineloop-clip.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/lineloop.c b/progs/trivial/lineloop.c
index 5863df654b8..c290dbd8cb3 100644
--- a/progs/trivial/lineloop.c
+++ b/progs/trivial/lineloop.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/linestrip-clip.c b/progs/trivial/linestrip-clip.c
index dae27c31d44..f2528229218 100644
--- a/progs/trivial/linestrip-clip.c
+++ b/progs/trivial/linestrip-clip.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/linestrip-flat-stipple.c b/progs/trivial/linestrip-flat-stipple.c
index ee79f150194..5caa7244235 100644
--- a/progs/trivial/linestrip-flat-stipple.c
+++ b/progs/trivial/linestrip-flat-stipple.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/linestrip-stipple-wide.c b/progs/trivial/linestrip-stipple-wide.c
index c6307d59941..701c82c266a 100644
--- a/progs/trivial/linestrip-stipple-wide.c
+++ b/progs/trivial/linestrip-stipple-wide.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/linestrip-stipple.c b/progs/trivial/linestrip-stipple.c
index 2b40b5f1b8e..df2eef96b5d 100644
--- a/progs/trivial/linestrip-stipple.c
+++ b/progs/trivial/linestrip-stipple.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/linestrip.c b/progs/trivial/linestrip.c
index 865a752796c..0219b1ab70e 100644
--- a/progs/trivial/linestrip.c
+++ b/progs/trivial/linestrip.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/long-fixed-func.c b/progs/trivial/long-fixed-func.c
index f2a29a9d376..4b6c412f9e8 100644
--- a/progs/trivial/long-fixed-func.c
+++ b/progs/trivial/long-fixed-func.c
@@ -53,6 +53,7 @@ Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.3, 0.1, 0.3, 0.0);
 
diff --git a/progs/trivial/point-clip.c b/progs/trivial/point-clip.c
index 6aaee0d1a5f..4c89ba598d7 100644
--- a/progs/trivial/point-clip.c
+++ b/progs/trivial/point-clip.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/point-param.c b/progs/trivial/point-param.c
index 1edeec3468a..6f43720a892 100644
--- a/progs/trivial/point-param.c
+++ b/progs/trivial/point-param.c
@@ -38,6 +38,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/point-sprite.c b/progs/trivial/point-sprite.c
index 2f8226ee273..5d29a6a3cf9 100644
--- a/progs/trivial/point-sprite.c
+++ b/progs/trivial/point-sprite.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
 
 #define SIZE 16
diff --git a/progs/trivial/point-wide-smooth.c b/progs/trivial/point-wide-smooth.c
index 63f83badf8c..f6e9b8df5f9 100644
--- a/progs/trivial/point-wide-smooth.c
+++ b/progs/trivial/point-wide-smooth.c
@@ -40,6 +40,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/point-wide.c b/progs/trivial/point-wide.c
index 725edae49ec..8abd64c6a99 100644
--- a/progs/trivial/point-wide.c
+++ b/progs/trivial/point-wide.c
@@ -40,6 +40,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/point.c b/progs/trivial/point.c
index 3c472c1b91e..49959dcc487 100644
--- a/progs/trivial/point.c
+++ b/progs/trivial/point.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/poly-flat-clip.c b/progs/trivial/poly-flat-clip.c
index d58a3a358f8..5490068b08e 100644
--- a/progs/trivial/poly-flat-clip.c
+++ b/progs/trivial/poly-flat-clip.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/poly-flat-unfilled-clip.c b/progs/trivial/poly-flat-unfilled-clip.c
index 74249eb4999..26b90ef9645 100644
--- a/progs/trivial/poly-flat-unfilled-clip.c
+++ b/progs/trivial/poly-flat-unfilled-clip.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/poly-flat.c b/progs/trivial/poly-flat.c
index 82098bc1bbc..a4e3cdb6334 100644
--- a/progs/trivial/poly-flat.c
+++ b/progs/trivial/poly-flat.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/poly-unfilled.c b/progs/trivial/poly-unfilled.c
index 5cc8523f815..2ad443dc159 100644
--- a/progs/trivial/poly-unfilled.c
+++ b/progs/trivial/poly-unfilled.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/poly.c b/progs/trivial/poly.c
index 8944f148d09..e5b788ea5be 100644
--- a/progs/trivial/poly.c
+++ b/progs/trivial/poly.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/quad-clip-all-vertices.c b/progs/trivial/quad-clip-all-vertices.c
index 6559adf4af8..60c87fc9ce1 100644
--- a/progs/trivial/quad-clip-all-vertices.c
+++ b/progs/trivial/quad-clip-all-vertices.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/quad-clip-nearplane.c b/progs/trivial/quad-clip-nearplane.c
index 0e4f4c947c3..9380e4f9ae1 100644
--- a/progs/trivial/quad-clip-nearplane.c
+++ b/progs/trivial/quad-clip-nearplane.c
@@ -40,6 +40,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    fprintf(stderr, "Press z/Z to translate quad\n");
 
diff --git a/progs/trivial/quad-clip.c b/progs/trivial/quad-clip.c
index fd3522a89a2..063de6106a6 100644
--- a/progs/trivial/quad-clip.c
+++ b/progs/trivial/quad-clip.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/quad-degenerate.c b/progs/trivial/quad-degenerate.c
index 29fb2774deb..fdc142bcd61 100644
--- a/progs/trivial/quad-degenerate.c
+++ b/progs/trivial/quad-degenerate.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/quad-flat.c b/progs/trivial/quad-flat.c
index 570eb6bc715..e3147b3b3fe 100644
--- a/progs/trivial/quad-flat.c
+++ b/progs/trivial/quad-flat.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/quad-offset-factor.c b/progs/trivial/quad-offset-factor.c
index 2c4946a13a6..dfe99bbae68 100644
--- a/progs/trivial/quad-offset-factor.c
+++ b/progs/trivial/quad-offset-factor.c
@@ -34,6 +34,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(1.0, 1.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/quad-offset-unfilled.c b/progs/trivial/quad-offset-unfilled.c
index 40762825bd1..06590021fed 100644
--- a/progs/trivial/quad-offset-unfilled.c
+++ b/progs/trivial/quad-offset-unfilled.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(1.0, 1.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/quad-offset-units.c b/progs/trivial/quad-offset-units.c
index b4b138b4b44..922529d977e 100644
--- a/progs/trivial/quad-offset-units.c
+++ b/progs/trivial/quad-offset-units.c
@@ -34,6 +34,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(1.0, 1.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/quad-tex-2d.c b/progs/trivial/quad-tex-2d.c
index ed6f4a07330..8a886ef578c 100644
--- a/progs/trivial/quad-tex-2d.c
+++ b/progs/trivial/quad-tex-2d.c
@@ -38,6 +38,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.0, 0.0, 1.0, 0.0);
 
diff --git a/progs/trivial/quad-tex-3d.c b/progs/trivial/quad-tex-3d.c
index 84acb35fd82..d05131d3b8a 100644
--- a/progs/trivial/quad-tex-3d.c
+++ b/progs/trivial/quad-tex-3d.c
@@ -40,6 +40,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.0, 0.0, 1.0, 0.0);
 
diff --git a/progs/trivial/quad-tex-alpha.c b/progs/trivial/quad-tex-alpha.c
index be24255a3e2..eebaf9170ec 100644
--- a/progs/trivial/quad-tex-alpha.c
+++ b/progs/trivial/quad-tex-alpha.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 
diff --git a/progs/trivial/quad-tex-pbo.c b/progs/trivial/quad-tex-pbo.c
index dcb4ae0e7f8..ad41a9a22e5 100644
--- a/progs/trivial/quad-tex-pbo.c
+++ b/progs/trivial/quad-tex-pbo.c
@@ -42,6 +42,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.0, 0.0, 1.0, 0.0);
 
diff --git a/progs/trivial/quad-tex-sub.c b/progs/trivial/quad-tex-sub.c
index aabbb9edce9..5620dbc6f81 100644
--- a/progs/trivial/quad-tex-sub.c
+++ b/progs/trivial/quad-tex-sub.c
@@ -89,6 +89,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.0, 0.0, 1.0, 0.0);
 
diff --git a/progs/trivial/quad-unfilled-clip.c b/progs/trivial/quad-unfilled-clip.c
index e25a34bda85..761878bd4b6 100644
--- a/progs/trivial/quad-unfilled-clip.c
+++ b/progs/trivial/quad-unfilled-clip.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/quad-unfilled-stipple.c b/progs/trivial/quad-unfilled-stipple.c
index d33e5918bce..cd7d2769284 100644
--- a/progs/trivial/quad-unfilled-stipple.c
+++ b/progs/trivial/quad-unfilled-stipple.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/quad-unfilled.c b/progs/trivial/quad-unfilled.c
index b60af3e7f56..d64f17fdf95 100644
--- a/progs/trivial/quad-unfilled.c
+++ b/progs/trivial/quad-unfilled.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/quad.c b/progs/trivial/quad.c
index c4773ec7dab..d360e309d30 100644
--- a/progs/trivial/quad.c
+++ b/progs/trivial/quad.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/quads.c b/progs/trivial/quads.c
index 5bc622144ed..fe11fef207c 100644
--- a/progs/trivial/quads.c
+++ b/progs/trivial/quads.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/quadstrip-clip.c b/progs/trivial/quadstrip-clip.c
index 82a6d4e0769..4cea81a45d7 100644
--- a/progs/trivial/quadstrip-clip.c
+++ b/progs/trivial/quadstrip-clip.c
@@ -34,6 +34,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/quadstrip-cont.c b/progs/trivial/quadstrip-cont.c
index 62208dfae75..329523531aa 100644
--- a/progs/trivial/quadstrip-cont.c
+++ b/progs/trivial/quadstrip-cont.c
@@ -34,6 +34,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/quadstrip-flat.c b/progs/trivial/quadstrip-flat.c
index 9011ee0873f..228c6c255e5 100644
--- a/progs/trivial/quadstrip-flat.c
+++ b/progs/trivial/quadstrip-flat.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/quadstrip.c b/progs/trivial/quadstrip.c
index 6923afc04b5..d49a9a53020 100644
--- a/progs/trivial/quadstrip.c
+++ b/progs/trivial/quadstrip.c
@@ -34,6 +34,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/readpixels.c b/progs/trivial/readpixels.c
index 88aac2684a8..5671618446a 100644
--- a/progs/trivial/readpixels.c
+++ b/progs/trivial/readpixels.c
@@ -17,6 +17,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
    glClearColor(0.3, 0.1, 0.3, 0.0);
 }
 
diff --git a/progs/trivial/tri-alpha-tex.c b/progs/trivial/tri-alpha-tex.c
index 382d7b21029..780ebe6be5b 100644
--- a/progs/trivial/tri-alpha-tex.c
+++ b/progs/trivial/tri-alpha-tex.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 
diff --git a/progs/trivial/tri-alpha.c b/progs/trivial/tri-alpha.c
index 1a653713bbf..aec1cbb3772 100644
--- a/progs/trivial/tri-alpha.c
+++ b/progs/trivial/tri-alpha.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/tri-blend-color.c b/progs/trivial/tri-blend-color.c
index db831e3d6e0..92f019259ec 100644
--- a/progs/trivial/tri-blend-color.c
+++ b/progs/trivial/tri-blend-color.c
@@ -40,6 +40,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
 }
 
diff --git a/progs/trivial/tri-clear.c b/progs/trivial/tri-clear.c
index a3908e38e9d..f49186bd8ae 100644
--- a/progs/trivial/tri-clear.c
+++ b/progs/trivial/tri-clear.c
@@ -40,6 +40,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/tri-clip.c b/progs/trivial/tri-clip.c
index 0d31086c855..e1deca1bdcf 100644
--- a/progs/trivial/tri-clip.c
+++ b/progs/trivial/tri-clip.c
@@ -37,6 +37,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
    glClearColor(0.0, 0.0, 1.0, 0.0);
 }
 
diff --git a/progs/trivial/tri-cull-both.c b/progs/trivial/tri-cull-both.c
index 73c5583cfdd..864be710c2a 100644
--- a/progs/trivial/tri-cull-both.c
+++ b/progs/trivial/tri-cull-both.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.0, 0.0, 1.0, 0.0);
    glCullFace(GL_FRONT_AND_BACK);
diff --git a/progs/trivial/tri-cull.c b/progs/trivial/tri-cull.c
index c6bcf444e42..c71ad9a0315 100644
--- a/progs/trivial/tri-cull.c
+++ b/progs/trivial/tri-cull.c
@@ -60,6 +60,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
    glClearColor(0.0, 0.0, 1.0, 0.0);
    cull();
 }
diff --git a/progs/trivial/tri-dlist.c b/progs/trivial/tri-dlist.c
index 1c0e320f61a..c410be221a7 100644
--- a/progs/trivial/tri-dlist.c
+++ b/progs/trivial/tri-dlist.c
@@ -40,6 +40,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.0, 0.0, 1.0, 0.0);
 
diff --git a/progs/trivial/tri-edgeflag.c b/progs/trivial/tri-edgeflag.c
index e1278dd6490..4c8736ad8c2 100644
--- a/progs/trivial/tri-edgeflag.c
+++ b/progs/trivial/tri-edgeflag.c
@@ -35,6 +35,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 }
 
 static void Reshape(int width, int height)
diff --git a/progs/trivial/tri-fbo.c b/progs/trivial/tri-fbo.c
index 7a38f2124cc..1ed177ffdfb 100644
--- a/progs/trivial/tri-fbo.c
+++ b/progs/trivial/tri-fbo.c
@@ -23,6 +23,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
 
    if (!glutExtensionSupported("GL_EXT_framebuffer_object")) {
diff --git a/progs/trivial/tri-flat-clip.c b/progs/trivial/tri-flat-clip.c
index 3235100385c..2aab5ba00a5 100644
--- a/progs/trivial/tri-flat-clip.c
+++ b/progs/trivial/tri-flat-clip.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.5, 0.5, 0.5, 0.0);
 }
diff --git a/progs/trivial/tri-flat.c b/progs/trivial/tri-flat.c
index a7fdaa1f469..ea703ec6f3f 100644
--- a/progs/trivial/tri-flat.c
+++ b/progs/trivial/tri-flat.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.5, 0.5, 0.5, 0.0);
 }
diff --git a/progs/trivial/tri-fog.c b/progs/trivial/tri-fog.c
index 0099a90ad6c..0cea3d32582 100644
--- a/progs/trivial/tri-fog.c
+++ b/progs/trivial/tri-fog.c
@@ -40,6 +40,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 
diff --git a/progs/trivial/tri-fp-const-imm.c b/progs/trivial/tri-fp-const-imm.c
index 2b1499903c1..d2df442abfc 100644
--- a/progs/trivial/tri-fp-const-imm.c
+++ b/progs/trivial/tri-fp-const-imm.c
@@ -51,6 +51,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    /* Setup the fragment program */
    glGenProgramsARB(1, &prognum);
diff --git a/progs/trivial/tri-fp.c b/progs/trivial/tri-fp.c
index b30f9b73e0f..4d1508120ea 100644
--- a/progs/trivial/tri-fp.c
+++ b/progs/trivial/tri-fp.c
@@ -49,6 +49,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    /* Setup the fragment program */
    glGenProgramsARB(1, &prognum);
diff --git a/progs/trivial/tri-lit.c b/progs/trivial/tri-lit.c
index 91fac1a5981..15a7ad24c51 100644
--- a/progs/trivial/tri-lit.c
+++ b/progs/trivial/tri-lit.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
   glEnable(GL_LIGHTING);
   glEnable(GL_LIGHT0);
diff --git a/progs/trivial/tri-logicop-none.c b/progs/trivial/tri-logicop-none.c
index aba3614bf68..53c2614ac32 100644
--- a/progs/trivial/tri-logicop-none.c
+++ b/progs/trivial/tri-logicop-none.c
@@ -40,6 +40,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.3, 0.1, 0.3, 0.0);
 }
diff --git a/progs/trivial/tri-logicop-xor.c b/progs/trivial/tri-logicop-xor.c
index e2c94f9bee7..f018a851ace 100644
--- a/progs/trivial/tri-logicop-xor.c
+++ b/progs/trivial/tri-logicop-xor.c
@@ -40,6 +40,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.3, 0.1, 0.3, 0.0);
 }
diff --git a/progs/trivial/tri-mask-tri.c b/progs/trivial/tri-mask-tri.c
index 449125a4db7..d62620905dd 100644
--- a/progs/trivial/tri-mask-tri.c
+++ b/progs/trivial/tri-mask-tri.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
    glClearColor(0.0, 0.0, 1.0, 0.0);
 }
 
diff --git a/progs/trivial/tri-multitex-vbo.c b/progs/trivial/tri-multitex-vbo.c
index 76e117a333f..e319447ac15 100644
--- a/progs/trivial/tri-multitex-vbo.c
+++ b/progs/trivial/tri-multitex-vbo.c
@@ -77,6 +77,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 
diff --git a/progs/trivial/tri-orig.c b/progs/trivial/tri-orig.c
index 6861ff6e492..e7cfee3a367 100644
--- a/progs/trivial/tri-orig.c
+++ b/progs/trivial/tri-orig.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/tri-query.c b/progs/trivial/tri-query.c
index 9b319ba2a7d..85e39df2dfa 100644
--- a/progs/trivial/tri-query.c
+++ b/progs/trivial/tri-query.c
@@ -42,6 +42,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 
diff --git a/progs/trivial/tri-repeat.c b/progs/trivial/tri-repeat.c
index a271fab54cc..91e355c71f3 100644
--- a/progs/trivial/tri-repeat.c
+++ b/progs/trivial/tri-repeat.c
@@ -38,6 +38,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.3, 0.1, 0.3, 0.0);
 }
diff --git a/progs/trivial/tri-scissor-tri.c b/progs/trivial/tri-scissor-tri.c
index 2b5536ecd65..608ebf29cff 100644
--- a/progs/trivial/tri-scissor-tri.c
+++ b/progs/trivial/tri-scissor-tri.c
@@ -40,6 +40,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/tri-square.c b/progs/trivial/tri-square.c
index 9102888abd0..0b82a1dd8e3 100644
--- a/progs/trivial/tri-square.c
+++ b/progs/trivial/tri-square.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/tri-stipple.c b/progs/trivial/tri-stipple.c
index 33e6dd16a7e..aa94fa224b7 100644
--- a/progs/trivial/tri-stipple.c
+++ b/progs/trivial/tri-stipple.c
@@ -51,6 +51,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glEnable (GL_POLYGON_STIPPLE);
     glPolygonStipple (fly);
diff --git a/progs/trivial/tri-tex-3d.c b/progs/trivial/tri-tex-3d.c
index 4f276af653f..3ccbe125105 100644
--- a/progs/trivial/tri-tex-3d.c
+++ b/progs/trivial/tri-tex-3d.c
@@ -40,6 +40,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.0, 0.0, 1.0, 0.0);
 
diff --git a/progs/trivial/tri-tex.c b/progs/trivial/tri-tex.c
index 1dbbe6aa586..56afb4748d7 100644
--- a/progs/trivial/tri-tex.c
+++ b/progs/trivial/tri-tex.c
@@ -36,6 +36,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 
diff --git a/progs/trivial/tri-tri.c b/progs/trivial/tri-tri.c
index 8b0c2dafefe..f996bd01a16 100644
--- a/progs/trivial/tri-tri.c
+++ b/progs/trivial/tri-tri.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/tri-unfilled-clip.c b/progs/trivial/tri-unfilled-clip.c
index 438899dc1a0..2fd894a49a8 100644
--- a/progs/trivial/tri-unfilled-clip.c
+++ b/progs/trivial/tri-unfilled-clip.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/tri-unfilled-edgeflag.c b/progs/trivial/tri-unfilled-edgeflag.c
index 78c5ae8e9cd..11c21d1bf68 100644
--- a/progs/trivial/tri-unfilled-edgeflag.c
+++ b/progs/trivial/tri-unfilled-edgeflag.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/tri-unfilled-fog.c b/progs/trivial/tri-unfilled-fog.c
index 113b8d051df..c6ecc705b37 100644
--- a/progs/trivial/tri-unfilled-fog.c
+++ b/progs/trivial/tri-unfilled-fog.c
@@ -40,6 +40,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/tri-unfilled-point.c b/progs/trivial/tri-unfilled-point.c
index b0502801552..750a254669a 100644
--- a/progs/trivial/tri-unfilled-point.c
+++ b/progs/trivial/tri-unfilled-point.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/tri-unfilled-smooth.c b/progs/trivial/tri-unfilled-smooth.c
index 9306af849a4..eddae176e5f 100644
--- a/progs/trivial/tri-unfilled-smooth.c
+++ b/progs/trivial/tri-unfilled-smooth.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/tri-unfilled-tri-lit.c b/progs/trivial/tri-unfilled-tri-lit.c
index 775c3530b7e..1d42b40b713 100644
--- a/progs/trivial/tri-unfilled-tri-lit.c
+++ b/progs/trivial/tri-unfilled-tri-lit.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
   glEnable(GL_LIGHTING);
   glEnable(GL_LIGHT0);
diff --git a/progs/trivial/tri-unfilled-tri.c b/progs/trivial/tri-unfilled-tri.c
index ce789255fd9..695cc890955 100644
--- a/progs/trivial/tri-unfilled-tri.c
+++ b/progs/trivial/tri-unfilled-tri.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/tri-unfilled-userclip-stip.c b/progs/trivial/tri-unfilled-userclip-stip.c
index 6835b53c0f5..ddc0dffd4f4 100644
--- a/progs/trivial/tri-unfilled-userclip-stip.c
+++ b/progs/trivial/tri-unfilled-userclip-stip.c
@@ -41,6 +41,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.0, 0.0, 1.0, 0.0);	
    glClipPlane(GL_CLIP_PLANE0, plane);
diff --git a/progs/trivial/tri-unfilled-userclip.c b/progs/trivial/tri-unfilled-userclip.c
index aab5abc2303..0dec0bfc9b4 100644
--- a/progs/trivial/tri-unfilled-userclip.c
+++ b/progs/trivial/tri-unfilled-userclip.c
@@ -41,6 +41,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.0, 0.0, 1.0, 0.0);	
    glClipPlane(GL_CLIP_PLANE0, plane);
diff --git a/progs/trivial/tri-unfilled.c b/progs/trivial/tri-unfilled.c
index 4f50d083c2d..b98cb9a842a 100644
--- a/progs/trivial/tri-unfilled.c
+++ b/progs/trivial/tri-unfilled.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/tri-userclip.c b/progs/trivial/tri-userclip.c
index 43d19cebab5..8f37e0fae20 100644
--- a/progs/trivial/tri-userclip.c
+++ b/progs/trivial/tri-userclip.c
@@ -41,6 +41,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.0, 0.0, 1.0, 0.0);	
    glClipPlane(GL_CLIP_PLANE0, plane);
diff --git a/progs/trivial/tri-viewport.c b/progs/trivial/tri-viewport.c
index 3205b9ee9c3..8e5f155c7dd 100644
--- a/progs/trivial/tri-viewport.c
+++ b/progs/trivial/tri-viewport.c
@@ -35,6 +35,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.3, 0.1, 0.3, 0.0);
 }
diff --git a/progs/trivial/tri-z-9.c b/progs/trivial/tri-z-9.c
index e7d4184bdb0..099e89f6f4a 100644
--- a/progs/trivial/tri-z-9.c
+++ b/progs/trivial/tri-z-9.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
 }
 
diff --git a/progs/trivial/tri-z-eq.c b/progs/trivial/tri-z-eq.c
index 4ec55ac080a..b81c992f7d1 100644
--- a/progs/trivial/tri-z-eq.c
+++ b/progs/trivial/tri-z-eq.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
 }
 
diff --git a/progs/trivial/tri.c b/progs/trivial/tri.c
index d99d5872a90..d44cb6a9fe3 100644
--- a/progs/trivial/tri.c
+++ b/progs/trivial/tri.c
@@ -40,6 +40,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
    glClearColor(0.3, 0.1, 0.3, 0.0);
 }
diff --git a/progs/trivial/trifan-flat-clip.c b/progs/trivial/trifan-flat-clip.c
index ec7a50a75e0..199f91a637e 100644
--- a/progs/trivial/trifan-flat-clip.c
+++ b/progs/trivial/trifan-flat-clip.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/trifan-flat-unfilled-clip.c b/progs/trivial/trifan-flat-unfilled-clip.c
index 4887b5a30c5..ea3e1553872 100644
--- a/progs/trivial/trifan-flat-unfilled-clip.c
+++ b/progs/trivial/trifan-flat-unfilled-clip.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/trifan-flat.c b/progs/trivial/trifan-flat.c
index cf75d4cf08f..d69b4887e39 100644
--- a/progs/trivial/trifan-flat.c
+++ b/progs/trivial/trifan-flat.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/trifan-unfilled.c b/progs/trivial/trifan-unfilled.c
index 491fe5b3df2..91447e4e44d 100644
--- a/progs/trivial/trifan-unfilled.c
+++ b/progs/trivial/trifan-unfilled.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/trifan.c b/progs/trivial/trifan.c
index ee9854dc94a..84eb4172de1 100644
--- a/progs/trivial/trifan.c
+++ b/progs/trivial/trifan.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/tristrip-clip.c b/progs/trivial/tristrip-clip.c
index eeab676ea90..343e2938049 100644
--- a/progs/trivial/tristrip-clip.c
+++ b/progs/trivial/tristrip-clip.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/tristrip-flat.c b/progs/trivial/tristrip-flat.c
index 49bb432b9df..02da97efcea 100644
--- a/progs/trivial/tristrip-flat.c
+++ b/progs/trivial/tristrip-flat.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
diff --git a/progs/trivial/tristrip.c b/progs/trivial/tristrip.c
index 023e6475c0d..77bf2fad282 100644
--- a/progs/trivial/tristrip.c
+++ b/progs/trivial/tristrip.c
@@ -39,6 +39,7 @@ static void Init(void)
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
 
     glClearColor(0.0, 0.0, 1.0, 0.0);
 }
-- 
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