Merge from emacs--rel--22

[gnu-emacs] / configure.in

diff --git a/configure.in b/configure.in
index bbaca559148e8a9a95284f86a4bf766738079c35..2e3aa63edc56f90bfd6e706c6a5fe7a139554f60 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -2230,6 +2230,7 @@ AC_CHECK_HEADER(malloc/malloc.h, [AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to
 ### Use Mac OS X Carbon API to implement GUI.
 if test "${HAVE_CARBON}" = "yes"; then
   AC_DEFINE(HAVE_CARBON, 1, [Define to 1 if you are using the Carbon API on Mac OS X.])
+  AC_CHECK_HEADERS(AvailabilityMacros.h)
   ## Specify the install directory
   carbon_appdir=
   if test "${carbon_appdir_x}" != ""; then