[AC_MSG_ERROR([Kernel config could not be found. If you are building from a kernel-source rpm consult build/README.kernel-source])])
# ----------- make dep run? ------------------
+# at 2.6.19 # $LINUX/include/linux/config.h is removed
+# and at more old has only one line
+# include <autoconf.h>
LB_CHECK_FILES([$LINUX_OBJ/include/linux/autoconf.h
$LINUX_OBJ/include/linux/version.h
- $LINUX/include/linux/config.h],[],
+ ],[],
[AC_MSG_ERROR([Run make config in $LINUX.])])
+#
+LB_CHECK_FILE([$LINUX_OBJ/include/linux/config.h],
+ [ AC_DEFINE(HAVE_KERNEL_CONFIG_H, 1,
+ [kernel modules need to include config.h])
+ ]
+)
# ------------ rhconfig.h includes runtime-generated bits --
# red hat kernel-source checks
_ACEOF
])
+
+# LB_LANG_PROGRAM(C)([PROLOGUE], [BODY])
+# --------------------------------------
+m4_define([LB_LANG_PROGRAM],
+[$1
+int
+main (void)
+{
+dnl Do *not* indent the following line: there may be CPP directives.
+dnl Don't move the `;' right after for the same reason.
+$2
+ ;
+ return 0;
+}])
+
#
# LB_LINUX_COMPILE_IFELSE
#
#
AC_DEFUN([LB_LINUX_TRY_COMPILE],
[LB_LINUX_COMPILE_IFELSE(
- [AC_LANG_PROGRAM([[$1]], [[$2]])],
+ [AC_LANG_SOURCE([LB_LANG_PROGRAM([[$1]], [[$2]])])],
[modules],
[test -s build/conftest.o],
[$3], [$4])])
#
AC_DEFUN([LB_LINUX_CONFIG],
[AC_MSG_CHECKING([if Linux was built with CONFIG_$1])
-LB_LINUX_TRY_COMPILE([#include <linux/config.h>],[
+LB_LINUX_TRY_COMPILE([
+#ifdef HAVE_KERNEL_CONFIG_H
+#include <linux/config.h>
+#endif
+],[
#ifndef CONFIG_$1
#error CONFIG_$1 not #defined
#endif
# like LB_LINUX_TRY_COMPILE, but with different arguments
#
AC_DEFUN([LB_LINUX_TRY_MAKE],
-[LB_LINUX_COMPILE_IFELSE([AC_LANG_PROGRAM([[$1]], [[$2]])], [$3], [$4], [$5], [$6])])
+[LB_LINUX_COMPILE_IFELSE([AC_LANG_SOURCE([LB_LANG_PROGRAM([[$1]], [[$2]])])], [$3], [$4], [$5], [$6])])
#
# LB_LINUX_CONFIG_BIG_STACK