DEVEL15-linux-new-aop-20081108

[openafs.git] / src / cf / linux-test1.m4

diff --git a/src/cf/linux-test1.m4 b/src/cf/linux-test1.m4
index a330aba..98bdc45 100644 (file)
--- a/src/cf/linux-test1.m4
+++ b/src/cf/linux-test1.m4
@@ -27,9 +27,9 @@ $2
 
 MODULE_LICENSE("http://www.openafs.org/dl/license10.html");
 _ACEOF
-    echo make -C $LINUX_KERNEL_PATH M=$SRCDIR_PARENT/conftest.dir modules KBUILD_VERBOSE=1 >&AS_MESSAGE_LOG_FD &&
-    make -C $LINUX_KERNEL_PATH M=$SRCDIR_PARENT/conftest.dir modules KBUILD_VERBOSE=1 >&AS_MESSAGE_LOG_FD 2>conftest.err &&
-    ! grep "^WARNING: .* undefined!$" conftest.err >/dev/null 2>&1
+    echo make -C $LINUX_KERNEL_BUILD M=$SRCDIR_PARENT/conftest.dir modules KBUILD_VERBOSE=1 >&AS_MESSAGE_LOG_FD &&
+    make -C $LINUX_KERNEL_BUILD M=$SRCDIR_PARENT/conftest.dir modules KBUILD_VERBOSE=1 >&AS_MESSAGE_LOG_FD 2>conftest.err &&
+    ! grep -i "^WARNING: .* undefined!$" conftest.err >/dev/null 2>&1
     then [$3]
     else
       sed '/^ *+/d' conftest.err >&AS_MESSAGE_LOG_FD
@@ -46,8 +46,10 @@ _ACEOF
 #
 AC_DEFUN([AC_TRY_KBUILD24], [
   ac_save_CPPFLAGS="$CPPFLAGS"
-  CPPFLAGS="-I$LINUX_KERNEL_PATH/include -D__KERNEL__ $CPPFLAGS"
-  AC_TRY_COMPILE([$1], [$2], [$3], [$4])
+  CPPFLAGS="-I$LINUX_KERNEL_PATH/include -D__KERNEL__ -Werror-implicit-function-declaration $CPPFLAGS"
+  AC_TRY_COMPILE([
+#include <linux/kernel.h>
+$1], [$2], [$3], [$4])
   CPPFLAGS="$ac_save_CPPFLAGS"])