ObjFW  Diff

				t='objfw_rt_${OBJFW_RT_LIB_MAJOR}_abox.library'
				AC_SUBST(OBJFW_RT_AMIGA_LIB, $t)
				AC_SUBST(SFDC_TARGET, ppc-morphos)
				AC_SUBST(SFD_FILE, morphos.sfd)
				t="-mresident32 -fno-builtin"
				AC_SUBST(AMIGA_LIB_CFLAGS, $t)
				t="-mresident32 -nostartfiles -nodefaultlibs"
				t="$tmp -lc"
				t="$t -lc"
				AC_SUBST(AMIGA_LIB_LDFLAGS, $t)
			])
		])

		enable_shared="no"
		enable_threads="no"
		;;

		OBJCFLAGS="$OBJCFLAGS -std=gnu1x"
	], [
		AX_CHECK_COMPILER_FLAGS(-std=gnu99,
			[OBJCFLAGS="$OBJCFLAGS -std=gnu99"])
	])
])

case "$build_os" in
	morphos*)
		# MorphOS 3.10 has a buggy ixemul that does not work with -pipe.
		;;
	*)
AX_CHECK_COMPILER_FLAGS(-pipe, [OBJCFLAGS="$OBJCFLAGS -pipe"])
		AX_CHECK_COMPILER_FLAGS(-pipe, [OBJCFLAGS="$OBJCFLAGS -pipe"])
		;;
esac
AX_CHECK_COMPILER_FLAGS(-fno-common, [OBJCFLAGS="$OBJCFLAGS -fno-common"])
AX_CHECK_COMPILER_FLAGS(-Xclang -fno-constant-cfstrings, [
	flag="-Xclang -fno-constant-cfstrings"
	OBJCFLAGS="$OBJCFLAGS $flag"
	OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS $flag"
])
AX_CHECK_COMPILER_FLAGS([-Wsign-compare -Werror],