# Set things accordingly for a 2.5 kernel
#
AC_DEFUN([LB_LINUX_VERSION],
-[AC_CHECK_FILE([$LINUX/include/linux/namei.h],
+[LB_CHECK_FILE([$LINUX/include/linux/namei.h],
[
linux25="yes"
KMODEXT=".ko"
[
AC_MSG_RESULT([no])
],[
- AC_MSG_RESULT([yes])
makerule="_module_$makerule"
MODULE_TARGET="M"
+ LB_LINUX_TRY_MAKE([],[],
+ [$makerule LUSTRE_KERNEL_TEST=conftest.i],
+ [test -s build/conftest.i],
+ [
+ AC_MSG_RESULT([yes])
+ ],[
+ AC_MSG_ERROR([unknown; check config.log for details])
+ ])
])
-
else
makerule="_dir_$PWD/build"
fi
AC_SUBST(MODULE_TARGET)
-AC_SUBST(LINUX25)
+AC_SUBST(linux25)
AC_SUBST(KMODEXT)
])
[LINUXRELEASE=
rm -f build/conftest.i
AC_MSG_CHECKING([for Linux release])
+if test -s $LINUX_OBJ/include/linux/utsrelease.h ; then
+ LINUXRELEASEHEADER=utsrelease.h
+else
+ LINUXRELEASEHEADER=version.h
+fi
LB_LINUX_TRY_MAKE([
- #include <linux/version.h>
+ #include <linux/$LINUXRELEASEHEADER>
],[
char *LINUXRELEASE;
LINUXRELEASE=UTS_RELEASE;
AC_MSG_RESULT([$LINUX])
AC_SUBST(LINUX)
+# -------- check for linux --------
+LB_CHECK_FILE([$LINUX],[],
+ [AC_MSG_ERROR([Kernel source $LINUX could not be found.])])
+
# -------- linux objects (for 2.6) --
AC_MSG_CHECKING([for Linux objects dir])
AC_ARG_WITH([linux-obj],
AC_MSG_RESULT([$LINUX_OBJ])
AC_SUBST(LINUX_OBJ)
-# -------- check for .confg --------
+# -------- check for .config --------
AC_ARG_WITH([linux-config],
[AC_HELP_STRING([--with-linux-config=path],
[set path to Linux .conf (default=$LINUX_OBJ/.config)])],
[LINUX_CONFIG=$LINUX_OBJ/.config])
AC_SUBST(LINUX_CONFIG)
-AC_CHECK_FILE([/boot/kernel.h],
+LB_CHECK_FILE([/boot/kernel.h],
[KERNEL_SOURCE_HEADER='/boot/kernel.h'],
- [AC_CHECK_FILE([/var/adm/running-kernel.h]),
- [KERNEL_SOURCE_HEADER='/var/adm/running-kernel.h']])
+ [LB_CHECK_FILE([/var/adm/running-kernel.h],
+ [KERNEL_SOURCE_HEADER='/var/adm/running-kernel.h'])])
AC_ARG_WITH([kernel-source-header],
AC_HELP_STRING([--with-kernel-source-header=path],
- [Use a different kernel version header. Consult README.kernel-source for details.]),
+ [Use a different kernel version header. Consult build/README.kernel-source for details.]),
[KERNEL_SOURCE_HEADER=$with_kernel_source_header])
# ------------ .config exists ----------------
-AC_CHECK_FILE([$LINUX_CONFIG],[],
- [AC_MSG_ERROR([Kernel config could not be found. If you are building from a kernel-source rpm consult README.kernel-source])])
+LB_CHECK_FILE([$LINUX_CONFIG],[],
+ [AC_MSG_ERROR([Kernel config could not be found. If you are building from a kernel-source rpm consult build/README.kernel-source])])
# ----------- make dep run? ------------------
-AC_CHECK_FILES([$LINUX_OBJ/include/linux/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 $LINUX.])])
# This is a clean kernel-source tree, we need to
# enable extensive workarounds to get this to build
# modules
- AC_CHECK_FILE([$KERNEL_SOURCE_HEADER],
+ LB_CHECK_FILE([$KERNEL_SOURCE_HEADER],
[if test $KERNEL_SOURCE_HEADER = '/boot/kernel.h' ; then
AC_MSG_WARN([Using /boot/kernel.h from RUNNING kernel.])
AC_MSG_WARN([If this is not what you want, use --with-kernel-source-header.])
- AC_MSG_WARN([Consult README.kernel-source for details.])
+ AC_MSG_WARN([Consult build/README.kernel-source for details.])
fi],
- [AC_MSG_ERROR([$KERNEL_SOURCE_HEADER not found. Consult README.kernel-source for details.])])
+ [AC_MSG_ERROR([$KERNEL_SOURCE_HEADER not found. Consult build/README.kernel-source for details.])])
EXTRA_KCFLAGS="-include $KERNEL_SOURCE_HEADER $EXTRA_KCFLAGS"
fi
# this is needed before we can build modules
+LB_LINUX_UML
LB_LINUX_VERSION
# --- check that we can build modules at all
],[
AC_MSG_RESULT([no])
AC_MSG_WARN([Consult config.log for details.])
- AC_MSG_WARN([If you are trying to build with a kernel-source rpm, consult README.kernel-source])
- AC_MSG_ERROR([Kernel modules could not be built.])
+ AC_MSG_WARN([If you are trying to build with a kernel-source rpm, consult build/README.kernel-source])
+ AC_MSG_ERROR([Kernel modules cannot be build.])
])
LB_LINUX_RELEASE
])
#
+# LB_LINUX_CONFIG_IM
+#
+# check if a given config option is builtin or as module
+#
+AC_DEFUN([LB_LINUX_CONFIG_IM],
+[AC_MSG_CHECKING([if Linux was built with CONFIG_$1 in or as module])
+LB_LINUX_TRY_COMPILE([#include <linux/config.h>],[
+#if !(defined(CONFIG_$1) || defined(CONFIG_$1_MODULE))
+#error CONFIG_$1 and CONFIG_$1_MODULE not #defined
+#endif
+],[
+AC_MSG_RESULT([yes])
+$2
+],[
+AC_MSG_RESULT([no])
+$3
+])
+])
+
+#
# LB_LINUX_TRY_MAKE
#
# like LB_LINUX_TRY_COMPILE, but with different arguments
[LB_LINUX_COMPILE_IFELSE([AC_LANG_PROGRAM([[$1]], [[$2]])], [$3], [$4], [$5], [$6])])
#
+# LB_LINUX_CONFIG_BIG_STACK
+#
+# check for big stack patch
+#
+AC_DEFUN([LB_LINUX_CONFIG_BIG_STACK],
+[if test "x$ARCH_UM" = "x" -a "x$linux25" = "xno" ; then
+ case $target_cpu in
+ i?86 | x86_64)
+ LB_LINUX_CONFIG([STACK_SIZE_16KB],[],[
+ LB_LINUX_CONFIG([STACK_SIZE_32KB],[],[
+ LB_LINUX_CONFIG([STACK_SIZE_64KB],[],[
+ AC_MSG_ERROR([Lustre requires that Linux is configured with at least a 16KB stack.])
+ ])
+ ])
+ ])
+ ;;
+ esac
+fi
+])
+
+#
# LB_PROG_LINUX
#
# linux tests
#
AC_DEFUN([LB_PROG_LINUX],
[LB_LINUX_PATH
-LB_LINUX_UML
LB_LINUX_CONFIG([MODULES],[],[
AC_MSG_ERROR([module support is required to build Lustre kernel modules.])
fi
])
-# Portals tests
-LP_PROG_LINUX
+LB_LINUX_CONFIG([KMOD],[],[
+ AC_MSG_WARN([])
+ AC_MSG_WARN([Kernel module loading support is highly recommended.])
+ AC_MSG_WARN([])
+])
+
+#LB_LINUX_CONFIG_BIG_STACK
+
+# LNet tests
+LN_PROG_LINUX
# Lustre tests
LC_PROG_LINUX
+
])
#
# AM_CONDITIONALS for linux
#
AC_DEFUN([LB_LINUX_CONDITIONALS],
-[AM_CONDITIONAL(INKERNEL, test x$enable_inkernel = xyes)
-AM_CONDITIONAL(LINUX25, test x$linux25 = xyes)
+[AM_CONDITIONAL(LINUX25, test x$linux25 = xyes)
])
+
git://git.whamcloud.com / fs / lustre-release.git / blobdiff