-AC_DEFUN(LINUX_NEED_RHCONFIG,[
+AC_DEFUN([LINUX_NEED_RHCONFIG],[
+RHCONFIG_SP=""
+RHCONFIG_MP=""
if test "x$enable_redhat_buildsys" = "xyes"; then
- RHCONFIG_SP=""
- RHCONFIG_MP=""
+ AC_MSG_WARN(Configured to build from a Red Hat SPEC file)
else
AC_MSG_CHECKING(for redhat kernel configuration)
- if test -f "${LINUX_KERNEL_PATH}/include/linux/rhconfig.h"; then
- ac_linux_rhconfig=yes
- RHCONFIG_SP="-D__BOOT_KERNEL_UP=1 -D__BOOT_KERNEL_SMP=0 -U__SMP__"
- RHCONFIG_MP="-D__BOOT_KERNEL_UP=0 -D__BOOT_KERNEL_SMP=1 -D__SMP__"
+ AC_TRY_KBUILD([#include <linux/rhconfig.h>], [],
+ [ac_linux_rhconfig=yes], [ac_linux_rhconfig=no])
+ AC_MSG_RESULT($ac_linux_rhconfig)
+ if test x"$ac_linux_rhconfig" = xyes; then
+ RHCONFIG_SP="-D__BOOT_KERNEL_UP=1 -D__BOOT_KERNEL_SMP=0"
+ RHCONFIG_MP="-D__BOOT_KERNEL_UP=0 -D__BOOT_KERNEL_SMP=1"
AC_MSG_RESULT($ac_linux_rhconfig)
if test ! -f "/boot/kernel.h"; then
AC_MSG_WARN([/boot/kernel.h does not exist. build may fail])
fi
- else
- ac_linux_rhconfig=no
- RHCONFIG_SP="-U__SMP__"
- RHCONFIG_MP="-D__SMP__"
- AC_MSG_RESULT($ac_linux_rhconfig)
fi
fi
AC_SUBST(RHCONFIG_SP)
AC_SUBST(RHCONFIG_MP)
])
-AC_DEFUN(LINUX_WHICH_MODULES,[
+
+dnl This depends on LINUX_CONFIG_H_EXISTS running first!
+
+AC_DEFUN([LINUX_WHICH_MODULES],[
if test "x$enable_redhat_buildsys" = "xyes"; then
MPS=Default
else
save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="-I${LINUX_KERNEL_PATH}/include -D__KERNEL__ $RHCONFIG_SP $CPPFLAGS"
- AC_MSG_CHECKING(if kernel uses MODVERSIONS)
- AC_CACHE_VAL(ac_cv_linux_config_modversions,[
- AC_TRY_COMPILE(
-[#include <linux/config.h>
-],
-[#ifndef CONFIG_MODVERSIONS
-lose;
-#endif
-],
- ac_cv_linux_config_modversions=yes,
- ac_cv_linux_config_modversions=no)])
- AC_MSG_RESULT($ac_cv_linux_config_modversions)
AC_MSG_CHECKING(which kernel modules to build)
- if test "x$ac_linux_rhconfig" = "xyes" -o "x$ac_cv_linux_config_modversions" = "xno"; then
+ if test "x$ac_cv_linux_header_config_h" = "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;
AC_SUBST(MPS)
])
+AC_DEFUN([LINUX_KERNEL_LINUX_SEQ_FILE_H],[
+ AC_MSG_CHECKING(for linux/seq_file.h in kernel)
+ AC_TRY_KBUILD([#include <linux/seq_file.h>], [],
+ [ac_linux_seq_file=yes], [ac_linux_seq_file=no])
+ AC_MSG_RESULT($ac_linux_seq_file)
+])