ObjFW  Diff

AC_PROG_EGREP

CPP="$OBJCPP"
CPPFLAGS="$CPPFLAGS $OBJCPPFLAGS"
OBJCFLAGS="$OBJCFLAGS -Wall -fexceptions -fobjc-exceptions -funwind-tables"
OBJCFLAGS="$OBJCFLAGS -fconstant-string-class=OFConstantString"

AX_CHECK_COMPILER_FLAGS(-std=gnu11, [
	OBJCFLAGS="$OBJCFLAGS -std=gnu11"
AX_CHECK_COMPILER_FLAGS(-std=c11, [
	OBJCFLAGS="$OBJCFLAGS -std=c11"
], [
	AX_CHECK_COMPILER_FLAGS(-std=gnu99,
	AX_CHECK_COMPILER_FLAGS(-std=c99, [OBJCFLAGS="$OBJCFLAGS -std=c99"])
		[OBJCFLAGS="$OBJCFLAGS -std=gnu99"])
])

case $OBJC in
	*clang*)
		;;
	*)
		AX_CHECK_COMPILER_FLAGS([-fgnu89-inline -Werror],
			[OBJCFLAGS="$OBJCFLAGS -fgnu89-inline"])
		;;
esac
AX_CHECK_COMPILER_FLAGS(-pipe, [OBJCFLAGS="$OBJCFLAGS -pipe"])
AX_CHECK_COMPILER_FLAGS(-fno-common, [OBJCFLAGS="$OBJCFLAGS -fno-common"])
AX_CHECK_COMPILER_FLAGS(-fno-constant-cfstrings, [
	OBJCFLAGS="$OBJCFLAGS -fno-constant-cfstrings"
	AC_SUBST(NO_CONST_CFSTRINGS, "-fno-constant-cfstrings")
])
AX_CHECK_COMPILER_FLAGS(-Wshorten-64-to-32 -Werror,