X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=configure.ac;h=f624a0d45755408f98eef4afbacd9748874c4f39;hp=dc8164673313b76545628f324efc19f23262ab68;hb=e78e4d19fffa47167fc3c4b3421673b1fd615f6c;hpb=1ec27148ca1418395b02e424374a0a264051b5b9

diff --git a/configure.ac b/configure.ac
index dc81646..f624a0d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -8,6 +8,9 @@ dnl Inspiration from http://autoconf-archive.cryp.to
  
 dnl tell automake the this script is for rrdtool
 
+dnl Minimum Autoconf version required.
+AC_PREREQ(2.59)
+
 dnl the official version number is
 dnl a.b.c
 AC_INIT([rrdtool],[1.3.999])
@@ -32,10 +35,10 @@ LIBVERS=5:0:1
 AC_SUBST(LIBVERS)
 
 AC_CANONICAL_TARGET
-AC_USE_SYSTEM_EXTENSIONS
-AM_INIT_AUTOMAKE([silent-rules])
+m4_version_prereq(2.60, [AC_USE_SYSTEM_EXTENSIONS], [#])
+AM_INIT_AUTOMAKE(m4_version_prereq(2.63, [silent-rules], [[]]))
 AM_MAINTAINER_MODE
-AM_SILENT_RULES([yes])
+m4_version_prereq(2.63, [AM_SILENT_RULES([yes])], [#])
 AC_CONFIG_HEADERS([rrd_config.h])
 AC_CONFIG_MACRO_DIR([m4])
 
@@ -49,9 +52,6 @@ AC_SUBST(VERSION)
 
 AC_PREFIX_DEFAULT( /usr/local/rrdtool-$PACKAGE_VERSION )
 
-dnl Minimum Autoconf version required.
-AC_PREREQ(2.59)
-
 dnl At the TOP of the HEADER
 
 AH_TOP([
@@ -449,6 +449,33 @@ AC_LINK_IFELSE(
       )
     ]  
 )
+
+dnl is time_t long or long long ?
+AC_DEFINE([TIME_T_IS_LONG], [], [time_t is long])
+AC_DEFINE([TIME_T_IS_LONG_LONG], [], [time_t is long long])
+AC_MSG_CHECKING([the type of time_t])
+AC_RUN_IFELSE(
+    AC_LANG_PROGRAM(
+        [[#include <time.h>]],
+        [[if (sizeof(long) != sizeof(time_t)) return 1; ]]
+        ),
+    [ AC_MSG_RESULT([time_t is long])
+      AC_DEFINE([TIME_T_IS_LONG])
+    ],
+    [ AC_RUN_IFELSE(
+        AC_LANG_PROGRAM(
+        [[#include <time.h>]],
+        [[if (sizeof(long long) != sizeof(time_t)) return 1; ]]
+        ),
+        [
+          AC_MSG_RESULT([time_t is long long])
+          AC_DEFINE([TIME_T_IS_LONG_LONG])
+        ],
+        [AC_MSG_ERROR([can not figure type of time_t])]
+      )
+    ]  
+)
+
 AC_LANG_POP(C)
 
 CONFIGURE_PART(Find 3rd-Party Libraries)
@@ -870,6 +897,10 @@ AC_CONFIG_FILES([Makefile])
 AC_CONFIG_FILES([bindings/lua/Makefile])
 
 AC_CONFIG_COMMANDS([default],[[ chmod +x examples/*.pl]],[[]])
+
+dnl intl requires our config to be called config.h. indulge it.
+AC_CONFIG_COMMANDS_POST([ test -f config.h || ln -s rrd_config.h config.h ])
+
 AC_OUTPUT
 
 AC_MSG_CHECKING(in)