+
+
+dnl CURL_MAC_CFLAGS
+dnl
+dnl Check if -mmacosx-version-min, -miphoneos-version-min or any
+dnl similar are set manually, otherwise do. And set
+dnl -Werror=partial-availability.
+dnl
+
+AC_DEFUN([CURL_MAC_CFLAGS], [
+
+ tst_cflags="no"
+ case $host_os in
+ darwin*)
+ tst_cflags="yes"
+ ;;
+ esac
+
+ AC_MSG_CHECKING([for good-to-use Mac CFLAGS])
+ AC_MSG_RESULT([$tst_cflags]);
+
+ if test "$tst_cflags" = "yes"; then
+ AC_MSG_CHECKING([for *version-min in CFLAGS])
+ min=""
+ if test -z "$(echo $CFLAGS | grep m.*os.*-version-min)"; then
+ min="-mmacosx-version-min=10.8"
+ CFLAGS="$CFLAGS $min"
+ fi
+ if test -z "$min"; then
+ AC_MSG_RESULT([set by user])
+ else
+ AC_MSG_RESULT([$min set])
+ fi
+
+ old_CFLAGS=$CFLAGS
+ CFLAGS="$CFLAGS -Werror=partial-availability"
+ AC_MSG_CHECKING([whether $CC accepts -Werror=partial-availability])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],
+ [AC_MSG_RESULT([yes])],
+ [AC_MSG_RESULT([no])
+ CFLAGS=$old_CFLAGS])
+ fi
+
+])