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-rw-r--r--configure.ac12
1 files changed, 8 insertions, 4 deletions
diff --git a/configure.ac b/configure.ac
index 33c107266a2..ba48e9d132a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -46,10 +46,14 @@ esac
MKDEP_OPTIONS=-fdepend
dnl Ask gcc where it's keeping its secret headers
if test "x$GCC" = xyes; then
- GCC_INCLUDES=`$CC -print-file-name=include`
- if test "x$GCC_INCLUDES" != x; then
- MKDEP_OPTIONS="$MKDEP_OPTIONS -I$GCC_INCLUDES"
- fi
+ for dir in include include-fixed; do
+ GCC_INCLUDES=`$CC -print-file-name=$dir`
+ if test "x$GCC_INCLUDES" != x && \
+ test "$GCC_INCLUDES" != "$dir" && \
+ test -d "$GCC_INCLUDES"; then
+ MKDEP_OPTIONS="$MKDEP_OPTIONS -I$GCC_INCLUDES"
+ fi
+ done
fi
AC_SUBST([MKDEP_OPTIONS])