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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="$OBJCFLAGS -fno-constant-cfstrings"
AC_SUBST(NO_CONST_CFSTRINGS, "-fno-constant-cfstrings")
])
AX_CHECK_COMPILER_FLAGS(-Wshorten-64-to-32, [
AX_CHECK_COMPILER_FLAGS(-Wshorten-64-to-32,
old_OBJCFLAGS="$OBJCFLAGS"
OBJCFLAGS="$OBJCFLAGS -Wshorten-64-to-32 -Werror"
AC_TRY_COMPILE([
#import <objc/objc-api.h>
], [], [
OBJCFLAGS="$old_OBJCFLAGS -Wshorten-64-to-32"
], [
OBJCFLAGS="$old_OBJCFLAGS"
])
])
|