configure: check for xlocale.h and strtof

With the assumptions that xlocale.h implies newlocale and strtof_l.  SCons is
updated to define HAVE_XLOCALE_H on linux and darwin.

Signed-off-by: Chia-I Wu <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>

1 files changed, 4 insertions, 0 deletions

diff --git a/scons/gallium.py b/scons/gallium.py
index dd5ca56a2db..e3786d2318c 100755
--- a/scons/gallium.py
+++ b/scons/gallium.py
@@ -301,6 +301,10 @@ def generate(env):
             cppdefines += ['HAVE_ALIAS']
         else:
             cppdefines += ['GLX_ALIAS_UNSUPPORTED']
+
+        if env['platform'] in ('linux', 'darwin'):
+            cppdefines += ['HAVE_XLOCALE_H']
+
     if env['platform'] == 'haiku':
         cppdefines += [
             'HAVE_PTHREAD',