configure: add check for GNU indent
Only GNU indent is supported when indenting autogenerated format_pack.c
and format_unpack.c files. Some non-GNU indent (Mac OS X and FreeBSD)
add extra whitespaces than break the build of those files.
Fallback to 'cat' if a non-GNU indent is found.
Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=88335
Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Tested-by: Vinson Lee <vlee@freedesktop.org>
Reviewed-by: Matt Turner <mattst88@gmail.com>
diff --git a/configure.ac b/configure.ac
index 3c614ea..c72fe92 100644
--- a/configure.ac
+++ b/configure.ac
@@ -73,7 +73,13 @@
AC_CHECK_PROG(INDENT, indent, indent, cat)
if test "x$INDENT" != "xcat"; then
- AC_SUBST(INDENT_FLAGS, '-i4 -nut -br -brs -npcs -ce -TGLubyte -TGLbyte -TBool')
+ # Only GNU indent is supported
+ INDENT_VERSION=`indent --version | grep GNU`
+ if test $? -eq 0; then
+ AC_SUBST(INDENT_FLAGS, '-i4 -nut -br -brs -npcs -ce -TGLubyte -TGLbyte -TBool')
+ else
+ INDENT="cat"
+ fi
fi
AX_CHECK_PYTHON_MAKO_MODULE(0.3.4)