X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=build%2Fautoconf%2Flustre-build-linux.m4;h=840dc225655a5397e4d1ae57ea1ec3555d4896f9;hp=43f711eb56cabc78bec986130f51163688250da4;hb=fea8d73ca26e491d311e0644b0f14fc31573d835;hpb=59dd795b653d1e105998ce575fa926889937d3eb diff --git a/build/autoconf/lustre-build-linux.m4 b/build/autoconf/lustre-build-linux.m4 index 43f711e..840dc22 100644 --- a/build/autoconf/lustre-build-linux.m4 +++ b/build/autoconf/lustre-build-linux.m4 @@ -55,8 +55,13 @@ AC_DEFUN([LB_LINUX_RELEASE], [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 + #include ],[ char *LINUXRELEASE; LINUXRELEASE=UTS_RELEASE; @@ -93,8 +98,28 @@ AC_MSG_CHECKING([for Lustre release]) 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 + ],[ + #ifndef RHEL_RELEASE_CODE + #error "not redhat kernel" + #endif + ],[ + RHEL_KENEL="yes" + RHEL_KERNEL="yes" + AC_MSG_RESULT([yes]) + ],[ + AC_MSG_RESULT([no]) ]) +LB_LINUX_CONFIG([SUSE_KERNEL],[SUSE_KERNEL="yes"],[]) + +]) + +# # # LB_LINUX_PATH # @@ -105,11 +130,21 @@ AC_DEFUN([LB_LINUX_PATH], AC_ARG_WITH([linux], AC_HELP_STRING([--with-linux=path], [set path to Linux source (default=/usr/src/linux)]), - [LINUX=$with_linux], + [ + if ! [[[ $with_linux = /* ]]]; then + AC_MSG_ERROR([You must provide an absolute pathname to the --with-linux= option.]) + else + LINUX=$with_linux + fi + ], [LINUX=/usr/src/linux]) AC_MSG_RESULT([$LINUX]) AC_SUBST(LINUX) +# -------- check for linux -------- +LB_CHECK_FILE([$LINUX],[], + [AC_MSG_ERROR([Kernel source $LINUX could not be found.])]) + # -------- linux objects (for 2.6) -- AC_MSG_CHECKING([for Linux objects dir]) AC_ARG_WITH([linux-obj], @@ -120,7 +155,7 @@ AC_ARG_WITH([linux-obj], AC_MSG_RESULT([$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=$LINUX_OBJ/.config)])], @@ -143,9 +178,12 @@ LB_CHECK_FILE([$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? ------------------ -LB_CHECK_FILES([$LINUX_OBJ/include/linux/autoconf.h - $LINUX_OBJ/include/linux/version.h - $LINUX/include/linux/config.h],[], +# at 2.6.19 # $LINUX/include/linux/config.h is removed +# and at more old has only one line +# include +LB_CHECK_FILE([$LINUX_OBJ/include/linux/autoconf.h],[], + [AC_MSG_ERROR([Run make config in $LINUX.])]) +LB_CHECK_FILE([$LINUX_OBJ/include/linux/version.h],[], [AC_MSG_ERROR([Run make config in $LINUX.])]) # ------------ rhconfig.h includes runtime-generated bits -- @@ -181,10 +219,62 @@ LB_LINUX_TRY_COMPILE([],[],[ 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 build/README.kernel-source]) - AC_MSG_ERROR([Kernel modules cannot be build.]) + AC_MSG_ERROR([Kernel modules cannot be built.]) ]) 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) ]) # @@ -204,7 +294,7 @@ if test -e $LINUX/include/asm-um ; then UML_CFLAGS='-O0' AC_MSG_RESULT(yes) else - AC_MSG_RESULT([no (asm doesn't point at asm-um)]) + AC_MSG_RESULT([no]) fi else AC_MSG_RESULT([no (asm-um missing)]) @@ -227,6 +317,21 @@ $1 _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 # @@ -235,21 +340,36 @@ _ACEOF 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 -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/arch/`uname -m|sed -e 's/ppc.*/powerpc/' -e 's/x86_64/x86/' -e 's/i.86/x86/'`/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 +m4_ifvaln([$5],[$5])dnl]) rm -f build/conftest.o build/conftest.mod.c build/conftest.mod.o build/conftest.ko m4_ifval([$1], [build/conftest.c conftest.c])[]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 $ARCH_UM \ + ARCHFILE=$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_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])]) @@ -261,7 +381,9 @@ AC_DEFUN([LB_LINUX_TRY_COMPILE], # AC_DEFUN([LB_LINUX_CONFIG], [AC_MSG_CHECKING([if Linux was built with CONFIG_$1]) -LB_LINUX_TRY_COMPILE([#include ],[ +LB_LINUX_TRY_COMPILE([ +#include +],[ #ifndef CONFIG_$1 #error CONFIG_$1 not #defined #endif @@ -275,12 +397,34 @@ $3 ]) # +# 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 +],[ +#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 # 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 @@ -304,12 +448,132 @@ fi ]) # +# LB_CONFIG_OFED_BACKPORTS +# +# include any OFED backport headers in all compile commands +# NOTE: this does only include the backport paths, not the OFED headers +# adding the OFED headers is done in the lnet portion +AC_DEFUN([LB_CONFIG_OFED_BACKPORTS], +[AC_MSG_CHECKING([whether to use any OFED backport headers]) +# set default +AC_ARG_WITH([o2ib], + AC_HELP_STRING([--with-o2ib=path], + [build o2iblnd against path]), + [ + case $with_o2ib in + yes) O2IBPATHS="$LINUX $LINUX/drivers/infiniband" + ENABLEO2IB=2 + ;; + no) ENABLEO2IB=0 + ;; + *) O2IBPATHS=$with_o2ib + ENABLEO2IB=3 + ;; + esac + ],[ + O2IBPATHS="$LINUX $LINUX/drivers/infiniband" + ENABLEO2IB=1 + ]) +if test $ENABLEO2IB -eq 0; then + AC_MSG_RESULT([no]) +else + o2ib_found=false + for O2IBPATH in $O2IBPATHS; do + if test \( -f ${O2IBPATH}/include/rdma/rdma_cm.h -a \ + -f ${O2IBPATH}/include/rdma/ib_cm.h -a \ + -f ${O2IBPATH}/include/rdma/ib_verbs.h -a \ + -f ${O2IBPATH}/include/rdma/ib_fmr_pool.h \); then + o2ib_found=true + break + fi + done + if ! $o2ib_found; then + AC_MSG_RESULT([no]) + case $ENABLEO2IB in + 1) ;; + 2) AC_MSG_ERROR([kernel OpenIB gen2 headers not present]);; + 3) AC_MSG_ERROR([bad --with-o2ib path]);; + *) AC_MSG_ERROR([internal error]);; + esac + else + if test -f $O2IBPATH/config.mk; then + . $O2IBPATH/config.mk + elif test -f $O2IBPATH/ofed_patch.mk; then + . $O2IBPATH/ofed_patch.mk + fi + if test -n "$BACKPORT_INCLUDES"; then + OFED_BACKPORT_PATH=`echo $BACKPORT_INCLUDES | sed "s#.*/src/ofa_kernel/#$O2IBPATH/#"` + EXTRA_LNET_INCLUDE="-I$OFED_BACKPORT_PATH $EXTRA_LNET_INCLUDE" + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + fi + fi +fi +]) + +# LC_MODULE_LOADING +# after 2.6.28 CONFIG_KMOD is removed, and only CONFIG_MODULES remains +# so we test if request_module is implemented or not +AC_DEFUN([LC_MODULE_LOADING], +[AC_MSG_CHECKING([if kernel module loading is possible]) +LB_LINUX_TRY_MAKE([ + #include +],[ + int myretval=ENOSYS ; + return myretval; +],[ + $makerule LUSTRE_KERNEL_TEST=conftest.i +],[ + grep request_module build/conftest.i | grep -v `grep "int myretval=" build/conftest.i | cut -d= -f2 | cut -d" " -f1` >/dev/null +],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_MODULE_LOADING_SUPPORT, 1, + [kernel module loading is possible]) +],[ + AC_MSG_RESULT(no) + AC_MSG_WARN([]) + AC_MSG_WARN([Kernel module loading support is highly recommended.]) + AC_MSG_WARN([]) +]) +]) + +# LC_MODULE_LOADING +# after 2.6.28 CONFIG_KMOD is removed, and only CONFIG_MODULES remains +# so we test if request_module is implemented or not +AC_DEFUN([LC_MODULE_LOADING], +[AC_MSG_CHECKING([if kernel module loading is possible]) +LB_LINUX_TRY_MAKE([ + #include +],[ + int myretval=ENOSYS ; + return myretval; +],[ + $makerule LUSTRE_KERNEL_TEST=conftest.i +],[ + grep request_module build/conftest.i | grep -v `grep "int myretval=" build/conftest.i | cut -d= -f2 | cut -d" " -f1` >/dev/null +],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_MODULE_LOADING_SUPPORT, 1, + [kernel module loading is possible]) +],[ + AC_MSG_RESULT(no) + AC_MSG_WARN([]) + AC_MSG_WARN([Kernel module loading support is highly recommended.]) + AC_MSG_WARN([]) +]) +]) + +# # LB_PROG_LINUX # # linux tests # AC_DEFUN([LB_PROG_LINUX], [LB_LINUX_PATH +LB_LINUX_ARCH +LB_LINUX_SYMVERFILE + LB_LINUX_CONFIG([MODULES],[],[ AC_MSG_ERROR([module support is required to build Lustre kernel modules.]) @@ -317,34 +581,21 @@ LB_LINUX_CONFIG([MODULES],[],[ LB_LINUX_CONFIG([MODVERSIONS]) -LB_LINUX_CONFIG([PREEMPT],[ - AC_MSG_ERROR([Lustre does not support kernels with preempt enabled.]) -]) - LB_LINUX_CONFIG([KALLSYMS],[],[ if test "x$ARCH_UM" = "x" ; then AC_MSG_ERROR([Lustre requires that CONFIG_KALLSYMS is enabled in your kernel.]) fi ]) -LB_LINUX_CONFIG([KMOD],[],[ - AC_MSG_WARN([]) - AC_MSG_WARN([Kernel module loading support is highly recommended.]) - AC_MSG_WARN([]) -]) +# 2.6.28 +LC_MODULE_LOADING #LB_LINUX_CONFIG_BIG_STACK -# LNet tests -LN_PROG_LINUX - -# Lustre tests -LC_PROG_LINUX - -# Portals tests -if test "$PORTALS" ; then - LP_PROG_LINUX -fi +# it's ugly to be doing anything with OFED outside of the lnet module, but +# this has to be done here so that the backports path is set before all of +# the LN_PROG_LINUX checks are done +LB_CONFIG_OFED_BACKPORTS ]) # @@ -355,3 +606,56 @@ fi AC_DEFUN([LB_LINUX_CONDITIONALS], [AM_CONDITIONAL(LINUX25, test x$linux25 = xyes) ]) + + +# +# LB_CHECK_SYMBOL_EXPORT +# check symbol exported or not +# $1 - symbol +# $2 - file(s) for find. +# $3 - do 'yes' +# $4 - do 'no' +# +# 2.6 based kernels - put modversion info into $LINUX/Module.modvers +# or check +AC_DEFUN([LB_CHECK_SYMBOL_EXPORT], +[AC_MSG_CHECKING([if Linux was built with symbol $1 exported]) +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 + rc=$? + if test $rc -eq 0; then + export=1 + break; + fi + done + if test $export -eq 0; then + AC_MSG_RESULT([no]) + $4 + else + AC_MSG_RESULT([yes]) + $3 + fi +else + AC_MSG_RESULT([yes]) + $3 +fi +]) + +# +# Like AC_CHECK_HEADER but checks for a kernel-space header +# +m4_define([LB_CHECK_LINUX_HEADER], +[AS_VAR_PUSHDEF([ac_Header], [ac_cv_header_$1])dnl +AC_CACHE_CHECK([for $1], ac_Header, + [LB_LINUX_COMPILE_IFELSE([LB_LANG_PROGRAM([@%:@include <$1>])], + [modules], + [test -s build/conftest.o], + [AS_VAR_SET(ac_Header, [yes])], + [AS_VAR_SET(ac_Header, [no])])]) +AS_IF([test AS_VAR_GET(ac_Header) = yes], [$2], [$3])[]dnl +AS_VAR_POPDEF([ac_Header])dnl +])