X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=configure.ac;h=cb669c3d767d25ca8f6885600ede2097cf43e8d9;hp=cc033195802179a2722266e7c4b60698e518e319;hb=d6493e16d7f4f452e9f2fdccfc84000143171ddb;hpb=0044bc9e909f8bd1b4df28d2d3a8d08047071822

diff --git a/configure.ac b/configure.ac
index cc03319..cb669c3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -36,9 +36,12 @@ AC_SUBST(LIBVERS)
 
 AC_CANONICAL_TARGET
 m4_version_prereq(2.60, [AC_USE_SYSTEM_EXTENSIONS], [#])
-AM_INIT_AUTOMAKE(m4_version_prereq(2.63, [silent-rules], [[]]))
+AM_INIT_AUTOMAKE
 AM_MAINTAINER_MODE
-m4_version_prereq(2.63, [AM_SILENT_RULES([yes])], [#])
+# Enable silent build rules by default, requires at least
+# Automake-1.11. Disable by either passing --disable-silent-rules to
+# configure or passing V=1 to make
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 AC_CONFIG_HEADERS([rrd_config.h])
 AC_CONFIG_MACRO_DIR([m4])
 
@@ -449,6 +452,33 @@ 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)