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authorMarc Dietrich <[email protected]>2009-08-31 08:56:33 -0700
committerBrian Paul <[email protected]>2009-08-31 11:22:36 -0600
commitc705e7238292d6c534d18dddcc03ecc6a24a5d66 (patch)
treeb1f356a541ff5e1e92c870e8feb6edb47e37febe
parentf315c0128b5f6317f910f6c54119fea97256254c (diff)
mesa: fix 32bit cross compilation on a 64bit machine
When cross compiling on a 64bit machine, gen_matypes.c is build for the host machine (64bit) but must generates code for the target machine (32bit). This causes wrong offsets all over the place and crashes googleearth on my machine. Solution is to add -m32 when cross compiling. Attached patch is compatible with linux-x86-32 and autoconf based builds.
-rw-r--r--configure.ac1
-rw-r--r--src/mesa/x86/Makefile2
2 files changed, 2 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 9d318b3fc20..c5ef676e2e5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -126,6 +126,7 @@ AC_ARG_ENABLE([32-bit],
if test "x$enable_32bit" = xyes; then
if test "x$GCC" = xyes; then
CFLAGS="$CFLAGS -m32"
+ ARCH_FLAGS="$ARCH_FLAGS -m32"
fi
if test "x$GXX" = xyes; then
CXXFLAGS="$CXXFLAGS -m32"
diff --git a/src/mesa/x86/Makefile b/src/mesa/x86/Makefile
index aa49a9134aa..69122c114b0 100644
--- a/src/mesa/x86/Makefile
+++ b/src/mesa/x86/Makefile
@@ -21,7 +21,7 @@ clean:
gen_matypes: gen_matypes.c
- $(HOST_CC) $(INCLUDE_DIRS) $(HOST_CFLAGS) gen_matypes.c -o gen_matypes
+ $(HOST_CC) $(ARCH_FLAGS) $(INCLUDE_DIRS) $(HOST_CFLAGS) gen_matypes.c -o gen_matypes
# need some special rules here, unfortunately
matypes.h: ../main/mtypes.h ../tnl/t_context.h gen_matypes