X-Git-Url: https://git.openafs.org/?p=openafs.git;a=blobdiff_plain;f=src%2Fcf%2Flinux-test3.m4;h=8c3b296f98aba910127c57a24c23ef929ef10f5c;hp=2c9ea990364e01bbf4bc314ebf6dbd001670115a;hb=ee8ae61a4d9610fea16473d87b471cd4fc128804;hpb=6975fcb202f2a599814ce9f26cda1999163050f8

diff --git a/src/cf/linux-test3.m4 b/src/cf/linux-test3.m4
index 2c9ea99..8c3b296 100644
--- a/src/cf/linux-test3.m4
+++ b/src/cf/linux-test3.m4
@@ -33,6 +33,9 @@ AC_SUBST(RHCONFIG_SP)
 AC_SUBST(RHCONFIG_MP)
 ])
 
+
+dnl This depends on LINUX_CONFIG_H_EXISTS running first!
+
 AC_DEFUN([LINUX_WHICH_MODULES],[
 if test "x$enable_redhat_buildsys" = "xyes"; then
   MPS=Default
@@ -40,12 +43,17 @@ else
   save_CPPFLAGS="$CPPFLAGS"
   CPPFLAGS="-I${LINUX_KERNEL_PATH}/include -D__KERNEL__ $RHCONFIG_SP $CPPFLAGS"
   AC_MSG_CHECKING(which kernel modules to build)
+  if test "x$ac_cv_linux_config_h_exists" = "xyes"; then
+    CPPFLAGS="-DCONFIG_H_EXISTS $CPPFLAGS"
+  fi
   if test "x$ac_linux_rhconfig" = "xyes"; then
       MPS="MP SP"
   else
   AC_CACHE_VAL(ac_cv_linux_config_smp, [
-  AC_TRY_COMPILE(
-[#include <linux/config.h>
+  AC_TRY_KBUILD(
+[#ifdef CONFIG_H_EXISTS
+#include <linux/config.h>
+#endif
 ],
 [#ifndef CONFIG_SMP
 lose;