Use updated libplist API if available

1 files changed, 16 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 66f6b4b..5a976c9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -84,8 +84,24 @@ if test "x$ac_cv_have_endian_h" = "xno"; then
   fi
 fi
 
+CACHED_CFLAGS="$CFLAGS"
+CFLAGS+=" $libplist_CFLAGS -Werror"
+
 AC_CHECK_DECL([plist_from_json], [AC_DEFINE([HAVE_PLIST_JSON], [1], [Define if libplist has JSON support])], [], [[#include <plist/plist.h>]])
 
+# check if libplist has plist_new_unix_date()
+AC_CACHE_CHECK(for plist_new_unix_date, ac_cv_plist_unix_date,
+        AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+                #include <plist/plist.h>
+                ]], [[
+                        return plist_new_unix_date(0) ? 0 : 1
+                ]])],[ac_cv_plist_unix_date=yes],[ac_cv_plist_unix_date=no]))
+if test "$ac_cv_plist_unix_date" = "yes"; then
+        AC_DEFINE(HAVE_PLIST_UNIX_DATE, 1, [Define if libplist has new unix date API (>= 2.7.0)])
+fi
+
+CFLAGS="$CACHED_CFLAGS"
+
 # Check for operating system
 AC_MSG_CHECKING([for platform-specific build settings])
 case ${host_os} in