ObjFW  Diff

AC_INIT(ObjFW, 0.5.2, js@webkeks.org)
AC_CONFIG_SRCDIR(src)

AS_IF([test x"$host" = x"psp"], [
	OBJCFLAGS="-G0 $OBJCFLAGS"
	LIBS="$LIBS -lpspdebug -lpspdisplay -lpspge -lpspctrl -lpspsdk -lc"
	LIBS="$LIBS -lpspnet -lpspnet_inet -lpspnet_apctl -lpspnet_resolver"
	LIBS="$LIBS -lpsputility -lpspuser -lpspkernel"

AX_CHECK_COMPILER_FLAGS(-std=gnu99, [OBJCFLAGS="$OBJCFLAGS -std=gnu99"])
AX_CHECK_COMPILER_FLAGS(-pipe, [OBJCFLAGS="$OBJCFLAGS -pipe"])
AX_CHECK_COMPILER_FLAGS(-fno-common, [OBJCFLAGS="$OBJCFLAGS -fno-common"])
AX_CHECK_COMPILER_FLAGS(-fno-constant-cfstrings, [
	NO_CONST_CFSTRINGS="-fno-constant-cfstrings"
	OBJCFLAGS="$OBJCFLAGS -fno-constant-cfstrings"
])
AX_CHECK_COMPILER_FLAGS(-Wshorten-64-to-32,
	[OBJCFLAGS="$OBJCFLAGS -Wshorten-64-to-32"])
AC_SUBST(NO_CONST_CFSTRINGS)

AC_MSG_CHECKING(whether Objective C compiler supports fast enumeration)
AC_TRY_COMPILE([
	@protocol OFFastEnumeration
	- (int)countByEnumeratingWithState: (void*)state
				   objects: (id*)objects

			unsigned long size;
		}
		@end

		void *_OFConstantStringClassReference;
	], [
		OFConstantString *test = @"";
		(void)test; /* Get rid of unused variable warning */
	], [
		AC_MSG_RESULT(no)
	], [
		AC_MSG_RESULT([yes, adding -Wno-unused-variable])
		OBJCFLAGS="$OBJCFLAGS -Wno-unused-variable"
		AC_SUBST(NO_WARN_UNUSED, "-Wno-unused-variable")
	])

		@end

		static struct {
			struct objc_class *isa;
		} object;
	], [
		OFObject *test = (OFObject*)&object;
		(void)test; /* Get rid of unused variable warning */
	], [
		AC_MSG_RESULT(no)
	], [
		AC_MSG_RESULT(yes)
		OBJCFLAGS="$OBJCFLAGS -Wno-strict-aliasing"
	])
])