summaryrefslogtreecommitdiff
path: root/acinclude.m4
blob: c817bbadbfc869387364ad7e51756e1d203dad39 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
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 "${CFLAGS}" = ""); then
		CFLAGS="-Wall -O2 -fsigned-char -fno-exceptions"
		CFLAGS="$CFLAGS -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2"
	fi
	if (test "$USE_MAINTAINER_MODE" = "yes"); then
		CFLAGS="$CFLAGS -Werror -Wextra"
		CFLAGS="$CFLAGS -Wno-unused-parameter"
		CFLAGS="$CFLAGS -Wno-missing-field-initializers"
		CFLAGS="$CFLAGS -Wdeclaration-after-statement"
		CFLAGS="$CFLAGS -Wmissing-declarations"
		CFLAGS="$CFLAGS -Wredundant-decls"
		CFLAGS="$CFLAGS -Wcast-align"
		CFLAGS="$CFLAGS -Wno-format-truncation"
		CFLAGS="$CFLAGS -DG_DISABLE_DEPRECATED"
	fi
])