X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/4baab8a27e437fbc82237a0145826821f01d6ba1..93379b3d780bfc8febd59f085dab600b4361d9b5:/configure.ac

diff --git a/configure.ac b/configure.ac
index eb49d6a..95cb413 100644
--- a/configure.ac
+++ b/configure.ac
@@ -342,7 +342,7 @@ if test $want_gtk = yes; then
   fi
 fi
 if test $want_tests = yes && test $want_python = yes; then
-  AM_PATH_PYTHON([2.4])
+  AM_PATH_PYTHON([2.5])
   subdirs="${subdirs} python tests"
 fi
 AC_SUBST([subdirs])
@@ -386,9 +386,9 @@ if test "x$FINK" != xnone; then
   ])
   finkdir="${rjk_cv_finkprefix}"
   finkbindir="${rjk_cv_finkprefix}/bin"
-  CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/gc -I${rjk_cv_finkprefix}/include"
+  CPPFLAGS="${CPPFLAGS} -isystem ${rjk_cv_finkprefix}/include/gc -isystem ${rjk_cv_finkprefix}/include"
   if test $want_server = yes; then
-    CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/db4"
+    CPPFLAGS="${CPPFLAGS} -isystem ${rjk_cv_finkprefix}/include/db4"
   fi
   LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
 else
@@ -697,6 +697,25 @@ if test "x$GCC" = xyes; then
     gcc_werror=''
   fi
 
+  AC_CACHE_CHECK([checking for excessively strict -Wreturn-type],
+                 [rjk_cv_gcc44_stupidity],[
+    old_CC="$CC"
+    if test $GCC = yes; then
+      CC="$CC -Wreturn-type -Werror"
+    fi
+    AC_COMPILE_IFELSE([
+      static void *threadfn(void) {
+        for(;;)
+          ;
+      }],
+      [rjk_cv_gcc44_stupidity=no],
+      [rjk_cv_gcc44_stupidity=yes])
+    CC="$old_CC"
+  ])
+  if test $rjk_cv_gcc44_stupidity = yes; then
+    AC_DEFINE([HAVE_STUPID_GCC44],[1],[Define if your compiler has excessively strict -Wreturn-type])
+  fi
+
   # a reasonable default set of warnings
   CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
 	-Wwrite-strings -Wmissing-prototypes \