[netPanzer-CVS] netpanzer configure.ac

[Matthias Braun]

CVSROOT:        /cvsroot/netpanzer
Module name:    netpanzer
Branch:         
Changes by:     Matthias Braun <address@hidden> 03/11/11 09:14:18

Modified files:
        .              : configure.ac 

Log message:
        make sure we have gcc 3.2.0 when compiling

Patches:
Index: netpanzer/configure.ac
diff -u netpanzer/configure.ac:1.8 netpanzer/configure.ac:1.9
--- netpanzer/configure.ac:1.8  Mon Oct 13 14:09:29 2003
+++ netpanzer/configure.ac      Tue Nov 11 09:14:17 2003
@@ -61,6 +61,23 @@
 AC_PROG_CXX
 AC_PROG_INSTALL
 
+# check if our c++ compiler is gcc3.2 or newer
+AC_MSG_CHECKING([whether g++ is new enough])
+AC_LANG_SAVE
+AC_LANG_CPLUSPLUS
+AC_TRY_COMPILE([], [
+#ifndef __GNUC__
+#error no gcc compiler found (__GNUC__ not defined)
+#endif
+#if __GNUC__ < 3 || (__GNUC__ == 3 && __GNUC__ < 2)
+#error gcc compiler too old. Need at least version 3.2.0
+#endif
+], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])
+    AC_MSG_ERROR([
+Error: You gcc version is too old. netpanzer needs at least gcc 3.2.0.
+])])
+AC_LANG_RESTORE
+
 #----------------------------------------------------------------------------
 # find libraries
 #----------------------------------------------------------------------------
@@ -115,7 +132,7 @@
 
 AM_OPTIONS_WXCONFIG
 AM_PATH_WXCONFIG(2.4.0, [
-        WX_AVAILABLE=yes
+        WX_AVAILABLE="yes"
         AC_SUBST([WX_AVAILABLE])
         ])