2009-04-26 18:31:15 +00:00
|
|
|
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 "${CFLAGS}" = ""); then
|
2019-01-18 08:39:57 +00:00
|
|
|
CFLAGS="-Wall -O2 -fsigned-char -fno-exceptions"
|
|
|
|
CFLAGS="$CFLAGS -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2"
|
2009-04-26 18:31:15 +00:00
|
|
|
fi
|
|
|
|
if (test "$USE_MAINTAINER_MODE" = "yes"); then
|
2012-07-16 13:12:45 +00:00
|
|
|
CFLAGS="$CFLAGS -Werror -Wextra"
|
2009-08-03 07:42:51 +00:00
|
|
|
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"
|
2017-07-11 17:47:31 +00:00
|
|
|
CFLAGS="$CFLAGS -Wno-format-truncation"
|
2011-01-18 13:54:44 +00:00
|
|
|
CFLAGS="$CFLAGS -DG_DISABLE_DEPRECATED"
|
2009-04-26 18:31:15 +00:00
|
|
|
fi
|
|
|
|
])
|