RELEASE="`echo ${LINUXRELEASE} | tr '-' '_'`_`date +%Y%m%d%H%M`"
AC_MSG_RESULT($RELEASE)
AC_SUBST(RELEASE)
+
+# check is redhat/suse kernels
+AC_MSG_CHECKING([that RedHat kernel])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/version.h>
+ ],[
+ #ifndef RHEL_MAJOR
+ #error "not redhat kernel"
+ #endif
+ ],[
+ RHEL_KENEL="yes"
+ AC_MSG_RESULT([yes])
+ ],[
+ AC_MSG_RESULT([no])
+])
+
+AC_MSG_CHECKING([that SuSe kernel])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/version.h>
+ ],[
+ #ifndef SLE_VERSION_CODE
+ #error "not sles kernel"
+ #endif
+ ],[
+ SUSE_KERNEL="yes"
+ AC_MSG_RESULT([yes])
+ ],[
+ AC_MSG_RESULT([no])
+])
+
])
#
$LINUX_OBJ/include/linux/version.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
EXTRA_KCFLAGS="-include $KERNEL_SOURCE_HEADER $EXTRA_KCFLAGS"
fi
-# Find the modpost utility
-AC_CHECK_FILE([$LINUX_OBJ/scripts/mod/modpost],
- [MODPOST=$LINUX_OBJ/scripts/mod/modpost],
- [AC_CHECK_FILE([$LINUX_OBJ/scripts/modpost],
- [MODPOST=$LINUX_OBJ/scripts/modpost],
- AC_MSG_ERROR([modpost not found.])
- )]
-)
-AC_SUBST(MODPOST)
-
# this is needed before we can build modules
LB_LINUX_UML
LB_LINUX_VERSION
LB_LINUX_RELEASE
]) # end of LB_LINUX_PATH
+# LB_LINUX_SYMVERFILE
+# SLES 9 uses a different name for this file - unsure about vanilla kernels
+# around this version, but it matters for servers only.
+AC_DEFUN([LB_LINUX_SYMVERFILE],
+ [AC_MSG_CHECKING([name of module symbol version file])
+ if grep -q Modules.symvers $LINUX/scripts/Makefile.modpost ; then
+ SYMVERFILE=Modules.symvers
+ else
+ SYMVERFILE=Module.symvers
+ fi
+ AC_MSG_RESULT($SYMVERFILE)
+ AC_SUBST(SYMVERFILE)
+])
+
+#
+#
+# LB_LINUX_MODPOST
+#
+# Find modpost and check it
+#
+AC_DEFUN([LB_LINUX_MODPOST],
+[
+# Find the modpost utility
+LB_CHECK_FILE([$LINUX_OBJ/scripts/mod/modpost],
+ [MODPOST=$LINUX_OBJ/scripts/mod/modpost],
+ [LB_CHECK_FILE([$LINUX_OBJ/scripts/modpost],
+ [MODPOST=$LINUX_OBJ/scripts/modpost],
+ AC_MSG_ERROR([modpost not found.])
+ )]
+)
+AC_SUBST(MODPOST)
+
+# Ensure it can run
+AC_MSG_CHECKING([if modpost can be run])
+if $MODPOST ; then
+ AC_MSG_RESULT([yes])
+else
+ AC_MSG_ERROR([modpost can not be run.])
+fi
+
+# Check if modpost supports (and therefore requires) -m
+AC_MSG_CHECKING([if modpost supports -m])
+if $MODPOST -m 2>/dev/null ; then
+ AC_MSG_RESULT([yes])
+ MODPOST_ARGS=-m
+else
+ AC_MSG_RESULT([no])
+ MODPOST_ARGS=""
+fi
+AC_SUBST(MODPOST_ARGS)
+])
+
#
# LB_LINUX_UML
#
AC_DEFUN([LB_LINUX_COMPILE_IFELSE],
[m4_ifvaln([$1], [LB_LINUX_CONFTEST([$1])])dnl
rm -f build/conftest.o build/conftest.mod.c build/conftest.ko
-AS_IF([AC_TRY_COMMAND(cp conftest.c build && make [$2] CC="$CC" -f $PWD/build/Makefile LUSTRE_LINUX_CONFIG=$LINUX_CONFIG LINUXINCLUDE="$EXTRA_LNET_INCLUDE -Iinclude -include include/linux/autoconf.h" -o tmp_include_depends -o scripts -o include/config/MARKER -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM $MODULE_TARGET=$PWD/build) >/dev/null && AC_TRY_COMMAND([$3])],
+AS_IF([AC_TRY_COMMAND(cp conftest.c build && make -d [$2] ${LD:+"LD=$LD"} CC="$CC" -f $PWD/build/Makefile LUSTRE_LINUX_CONFIG=$LINUX_CONFIG LINUXINCLUDE="$EXTRA_LNET_INCLUDE -I$LINUX/include -I$LINUX_OBJ/include -I$LINUX_OBJ/include2 -include include/linux/autoconf.h" -o tmp_include_depends -o scripts -o include/config/MARKER -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM $MODULE_TARGET=$PWD/build) >/dev/null && AC_TRY_COMMAND([$3])],
[$4],
[_AC_MSG_LOG_CONFTEST
m4_ifvaln([$5],[$5])dnl])dnl
])
#
+# LB_LINUX_ARCH
+#
+# Determine the kernel's idea of the current architecture
+#
+AC_DEFUN([LB_LINUX_ARCH],
+ [AC_MSG_CHECKING([Linux kernel architecture])
+ AS_IF([rm -f $PWD/build/arch
+ make -s --no-print-directory echoarch -f $PWD/build/Makefile \
+ LUSTRE_LINUX_CONFIG=$LINUX_CONFIG -C $LINUX_OBJ $ARCH_UM \
+ ARCHFILE=$PWD/build/arch && LINUX_ARCH=`cat $PWD/build/arch`],
+ [AC_MSG_RESULT([$LINUX_ARCH])],
+ [AC_MSG_ERROR([Could not determine the kernel architecture.])])
+ rm -f build/arch])
+
+#
# LB_LINUX_TRY_COMPILE
#
# like AC_TRY_COMPILE
AC_DEFUN([LB_LINUX_CONFIG],
[AC_MSG_CHECKING([if Linux was built with CONFIG_$1])
LB_LINUX_TRY_COMPILE([
-#ifdef HAVE_KERNEL_CONFIG_H
-#include <linux/config.h>
-#endif
+#include <linux/autoconf.h>
],[
#ifndef CONFIG_$1
#error CONFIG_$1 not #defined
#
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>],[
+LB_LINUX_TRY_COMPILE([
+#include <linux/autoconf.h>
+],[
#if !(defined(CONFIG_$1) || defined(CONFIG_$1_MODULE))
#error CONFIG_$1 and CONFIG_$1_MODULE not #defined
#endif
#
AC_DEFUN([LB_PROG_LINUX],
[LB_LINUX_PATH
+LB_LINUX_ARCH
+LB_LINUX_SYMVERFILE
+
LB_LINUX_CONFIG([MODULES],[],[
AC_MSG_ERROR([module support is required to build Lustre kernel modules.])
# or check
AC_DEFUN([LB_CHECK_SYMBOL_EXPORT],
[AC_MSG_CHECKING([if Linux was built with symbol $1 is exported])
-grep -q -E '[[[:space:]]]$1[[[:space:]]]' $LINUX/Module.symvers 2>/dev/null
+grep -q -E '[[[:space:]]]$1[[[:space:]]]' $LINUX/$SYMVERFILE 2>/dev/null
rc=$?
if test $rc -ne 0; then
export=0
for file in $2; do
- grep -q -E "EXPORT_SYMBOL.*($1)" "$LINUX/$file" 2>/dev/null
+ grep -q -E "EXPORT_SYMBOL.*\($1\)" "$LINUX/$file" 2>/dev/null
rc=$?
if test $rc -eq 0; then
export=1
git://git.whamcloud.com / fs / lustre-release.git / blobdiff