# AC_TRY_KBUILD26([INCLUDES], [FUNCTION-BODY],
# [ACTION-IF-SUCCESS], [ACTION-IF-FAILURE])
#
-AC_DEFUN([AC_TRY_KBUILD26], [
- rm -fr conftest.dir
- if mkdir conftest.dir; then
- cd conftest.dir
- cat >Makefile <<_ACEOF
+AC_DEFUN([AC_TRY_KBUILD26],[ rm -fr conftest.dir
+ if mkdir conftest.dir &&
+ cat >conftest.dir/Makefile <<_ACEOF &&
CFLAGS += $CPPFLAGS
obj-m += conftest.o
_ACEOF
- cat >conftest.c <<\_ACEOF
+ cat >conftest.dir/conftest.c <<\_ACEOF &&
#include <linux/module.h>
$1
MODULE_LICENSE("http://www.openafs.org/dl/license10.html");
_ACEOF
- cd ..
- fi
- AS_IF(AC_RUN_LOG([make -C $LINUX_KERNEL_PATH M=`pwd`/conftest.dir modules > /dev/null]),
- [$3], [$4])
- rm -fr conftest.dir])
+ 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
+ then [$3]
+ else
+ sed '/^ *+/d' conftest.err >&AS_MESSAGE_LOG_FD
+ echo "$as_me: failed using Makefile:" >&AS_MESSAGE_LOG_FD
+ sed 's/^/| /' conftest.dir/Makefile >&AS_MESSAGE_LOG_FD
+ echo "$as_me: and program was:" >&AS_MESSAGE_LOG_FD
+ sed 's/^/| /' conftest.dir/conftest.c >&AS_MESSAGE_LOG_FD
+ [$4]
+ fi; rm -fr conftest.err conftest.dir])
# AC_TRY_KBUILD24([INCLUDES], [FUNCTION-BODY],
else
AC_TRY_KBUILD24([$1], [$2], [$3], [$4])
fi])
+
+AC_DEFUN([LINUX_KERNEL_COMPILE_WORKS], [
+ AC_MSG_CHECKING([for linux kernel module build works])
+ AC_TRY_KBUILD([],[],:,AC_MSG_RESULT(no)
+ AC_MSG_FAILURE([Fix problem or use --disable-kernel-module...]))
+ AC_MSG_RESULT(yes)])