From http://www.jwz.org/xscreensaver/xscreensaver-5.37.tar.gz

[xscreensaver] / configure.in

diff --git a/configure.in b/configure.in
index 0098d909a83d6e72d9b8240bb487e1800ebacaa3..74235ab5a940c4cb77d8f3a8f04ab2af7c2c5700 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -1048,6 +1048,17 @@ AC_DEFUN([AC_CHECK_GETIFADDRS],
    AC_DEFINE(HAVE_GETIFADDRS)
  fi])
 
+AC_DEFUN([AC_TYPE_SOCKLEN_T],
+ [AC_CACHE_CHECK([for socklen_t], ac_cv_type_socklen_t,
+  [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+   #include <sys/types.h>
+   #include <sys/socket.h>]], [[
+   socklen_t socklen;
+   ]])],[ac_cv_type_socklen_t=yes],[ac_cv_type_socklen_t=no])])
+  if test "$ac_cv_type_socklen_t" != yes; then
+    AC_DEFINE(socklen_t, int,
+  [Define to `int' if <sys/types.h> or <sys/socket.h> does not define.])
+  fi])
 
 ###############################################################################
 #
@@ -1248,12 +1259,13 @@ AC_GETTIMEOFDAY_ARGS
 AC_SYS_LARGEFILE
 AC_CHECK_FUNCS(select fcntl uname nice setpriority getcwd getwd putenv sbrk)
 AC_CHECK_FUNCS(sigaction syslog realpath setrlimit)
-AC_CHECK_FUNCS(setlocale)
+AC_CHECK_FUNCS(setlocale sqrtf)
 AC_CHECK_FUNCS(getaddrinfo)
 AC_CHECK_MEMBERS([struct sockaddr.sa_len],,, [[#include <sys/socket.h>]])
 AC_CHECK_ICMP
 AC_CHECK_ICMPHDR
 AC_CHECK_GETIFADDRS
+AC_TYPE_SOCKLEN_T
 AC_CHECK_HEADERS(crypt.h sys/select.h)
 AC_PROG_PERL
 
@@ -1297,7 +1309,7 @@ AC_DEFINE_UNQUOTED(PACKAGE, "$GETTEXT_PACKAGE",
                   generated code.])
 AC_SUBST(GETTEXT_PACKAGE)
 
-ALL_LINGUAS="ca da de es et fi fr hu it ja ko nb nl pl pt pt_BR ru sk sv vi wa zh_CN zh_TW"
+ALL_LINGUAS="da de es et fi fr hu it ja ko nb nl pl pt pt_BR ru sk sv vi wa zh_CN zh_TW"
 AM_GLIB_GNU_GETTEXT
 MKINSTALLDIRS="$INSTALL_DIRS"
 
@@ -2982,6 +2994,9 @@ if test "$with_gl" = yes; then
       AC_MSG_RESULT(omitting "$libdir" from LDFLAGS)
       libdir=''
 
+      # Looks like as of OSX 10.12, gcc can't do ObjC.
+      OBJCC="clang -Wall"
+
     fi