- Add version check: GCC >= 3 required

diff --git a/configure.in b/configure.in
index 0c973c5da1271bfde91d0a34d32781b41e8aaf96..c60b434e77ef6e5789d461b8ba35f49516ce881a 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -15,6 +15,15 @@ AC_PROG_CXX
 AC_PROG_CC
 AC_PROG_INSTALL
 
+if test "$GCC" = "yes"; then
+  AC_MSG_CHECKING([Testing GCC version])
+  GCCVERSION=`$CXX -dumpversion 2>/dev/null`
+  if test -z "$GCCVERSION"; then
+    AC_MSG_ERROR([GCC version 3 or above required])
+  fi
+  AC_MSG_RESULT([found version $GCCVERSION])
+fi
+
 # Checks for libraries.
 
 # Checks for header files.