configure.ac update (ccache)

Updated using autoupdate from autoconf 2.71

1 files changed, 21 insertions, 12 deletions

diff --git a/CCache/configure.ac b/CCache/configure.ac
index e1c761860..2559fdb5f 100644
--- a/CCache/configure.ac
+++ b/CCache/configure.ac
@@ -1,12 +1,12 @@
 dnl Process this file with autoconf to produce a configure script.
 
-AC_INIT([ccache-swig], [0.0]) # Get version from SWIG in ccache_swig_config.h.in
-AC_PREREQ(2.52)
+AC_INIT([ccache-swig],[0.0]) # Get version from SWIG in ccache_swig_config.h.in
+AC_PREREQ([2.71])
 AC_CONFIG_SRCDIR([ccache.h])
 
 AC_MSG_NOTICE([Configuring ccache])
 
-AC_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_FILES([config_win32.h])
 
 dnl Checks for programs.
@@ -41,7 +41,20 @@ else
 fi
 
 AC_HEADER_DIRENT
-AC_HEADER_TIME
+m4_warn([obsolete],
+[Update your code to rely only on HAVE_SYS_TIME_H,
+then remove this warning and the obsolete code below it.
+All current systems provide time.h; it need not be checked for.
+Not all systems provide sys/time.h, but those that do, all allow
+you to include it and time.h simultaneously.])dnl
+AC_CHECK_HEADERS_ONCE([sys/time.h])
+# Obsolete code to be removed.
+if test $ac_cv_header_sys_time_h = yes; then
+  AC_DEFINE([TIME_WITH_SYS_TIME],[1],[Define to 1 if you can safely include both <sys/time.h>
+	     and <time.h>.  This macro is obsolete.])
+fi
+# End of obsolete code.
+
 AC_HEADER_SYS_WAIT
 
 AC_CHECK_HEADERS(ctype.h strings.h stdlib.h string.h pwd.h sys/time.h)
@@ -51,19 +64,16 @@ AC_CHECK_FUNCS(gethostname getpwuid)
 AC_CHECK_FUNCS(utimes)
 
 AC_CACHE_CHECK([for compar_fn_t in stdlib.h],ccache_cv_COMPAR_FN_T, [
-    AC_TRY_COMPILE(
-[#include <stdlib.h>],
-[
+    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>]], [[
 void test_fn(void) { qsort(NULL, 0, 0, (__compar_fn_t)NULL); }
-],
-	ccache_cv_COMPAR_FN_T=yes,ccache_cv_COMPAR_FN_T=no)])
+]])],[ccache_cv_COMPAR_FN_T=yes],[ccache_cv_COMPAR_FN_T=no])])
 if test x"$ccache_cv_COMPAR_FN_T" = x"yes"; then
    AC_DEFINE(HAVE_COMPAR_FN_T, 1, [ ])
 fi
 
 dnl Note: This could be replaced by AC_FUNC_SNPRINTF() in the autoconf macro archive
 AC_CACHE_CHECK([for C99 vsnprintf],ccache_cv_HAVE_C99_VSNPRINTF,[
-AC_TRY_RUN([
+AC_RUN_IFELSE([AC_LANG_SOURCE([[
 #include <sys/types.h>
 #include <stdarg.h>
 void foo(const char *format, ...) { 
@@ -81,8 +91,7 @@ void foo(const char *format, ...) {
        exit(0);
 }
 main() { foo("hello"); }
-],
-ccache_cv_HAVE_C99_VSNPRINTF=yes,ccache_cv_HAVE_C99_VSNPRINTF=no,ccache_cv_HAVE_C99_VSNPRINTF=cross)])
+]])],[ccache_cv_HAVE_C99_VSNPRINTF=yes],[ccache_cv_HAVE_C99_VSNPRINTF=no],[ccache_cv_HAVE_C99_VSNPRINTF=cross])])
 if test x"$ccache_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
     AC_DEFINE(HAVE_C99_VSNPRINTF, 1, [ ])
 fi