From 2c5ddf34d8c4b6a87710245ac10f8addee6b223d Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel.holtmann@intel.com>
Date: Sun, 26 Apr 2009 20:31:15 +0200
Subject: Initial revision

---
 acinclude.m4 | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 acinclude.m4

(limited to 'acinclude.m4')

diff --git a/acinclude.m4 b/acinclude.m4
new file mode 100644
index 00000000..45940732
--- /dev/null
+++ b/acinclude.m4
@@ -0,0 +1,26 @@
+AC_DEFUN([AC_PROG_CC_PIE], [
+	AC_CACHE_CHECK([whether ${CC-cc} accepts -fPIE], ac_cv_prog_cc_pie, [
+		echo 'void f(){}' > conftest.c
+		if test -z "`${CC-cc} -fPIE -pie -c conftest.c 2>&1`"; then
+			ac_cv_prog_cc_pie=yes
+		else
+			ac_cv_prog_cc_pie=no
+		fi
+		rm -rf conftest*
+	])
+])
+
+AC_DEFUN([COMPILER_FLAGS], [
+	if (test "${CFLAGS}" = ""); then
+		CFLAGS="-Wall -O2 -D_FORTIFY_SOURCE=2"
+	fi
+	if (test "$USE_MAINTAINER_MODE" = "yes"); then
+		CFLAGS+=" -Werror -Wextra"
+		CFLAGS+=" -Wno-unused-parameter"
+		CFLAGS+=" -Wno-missing-field-initializers"
+		CFLAGS+=" -Wdeclaration-after-statement"
+		CFLAGS+=" -Wmissing-declarations"
+		CFLAGS+=" -Wredundant-decls"
+		CFLAGS+=" -Wcast-align"
+	fi
+])
-- 
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