X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=build%2Fautoconf%2Flustre-build-linux.m4;h=7ed46fdfe3b91aac6441597da16eccbf1a903f29;hb=b2464ef54e1a5dab8759d3ec7669e7bc05a13815;hp=2904dfd20ce6608988d99e1ebf1c49fa7e4de68c;hpb=8663ba2dd34c8198798892d3cace181199b04eb4;p=fs%2Flustre-release.git diff --git a/build/autoconf/lustre-build-linux.m4 b/build/autoconf/lustre-build-linux.m4 index 2904dfd..7ed46fd 100644 --- a/build/autoconf/lustre-build-linux.m4 +++ b/build/autoconf/lustre-build-linux.m4 @@ -1,33 +1,10 @@ # -# LB_LINUX_INKERNEL -# -# in kernel compilation? (2.5 only) -# -AC_DEFUN([LB_LINUX_INKERNEL], -[AC_MSG_CHECKING([if inkernel build support is requested]) -AC_ARG_ENABLE([inkernel], - AC_HELP_STRING([--enable-inkernel], - [set up 2.5 kernel makefiles]), - [],[enable_inkernel=no]) -AC_MSG_RESULT([$enable_inkernel]) - -if test x$enable_inkernel = xyes ; then - echo ln -s `pwd` $LINUX/fs/lustre - rm $LINUX/fs/lustre - ln -s `pwd` $LINUX/fs/lustre - find portals lustre -name Makefile.mk | sed 's/.mk$//' | xargs -n 1 \ - sh -e -x -c '(cp -f $0.mk $0.in)' -fi -]) - - -# # LB_LINUX_VERSION # # Set things accordingly for a 2.5 kernel # AC_DEFUN([LB_LINUX_VERSION], -[AC_CHECK_FILE([$LINUX/include/linux/namei.h], +[LB_CHECK_FILE([$LINUX/include/linux/namei.h], [ linux25="yes" KMODEXT=".ko" @@ -40,8 +17,6 @@ AC_MSG_RESULT([$linux25]) MODULE_TARGET="SUBDIRS" if test $linux25 = "yes" ; then - LB_CONFIG_INKERNEL - makerule="$PWD/build" AC_MSG_CHECKING([for external module build support]) rm -f build/conftest.i @@ -51,21 +26,81 @@ if test $linux25 = "yes" ; then [ AC_MSG_RESULT([no]) ],[ - AC_MSG_RESULT([yes]) makerule="_module_$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) ]) # +# LB_LINUX_RELEASE +# +# get the release version of linux +# +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 +],[ + char *LINUXRELEASE; + LINUXRELEASE=UTS_RELEASE; +],[ + $makerule LUSTRE_KERNEL_TEST=conftest.i +],[ + test -s build/conftest.i +],[ + # LINUXRELEASE="UTS_RELEASE" + eval $(grep "LINUXRELEASE=" build/conftest.i) +],[ + AC_MSG_RESULT([unknown]) + AC_MSG_ERROR([Could not preprocess test program. Consult config.log for details.]) +]) +rm -f build/conftest.i +if test x$LINUXRELEASE = x ; then + AC_MSG_RESULT([unknown]) + AC_MSG_ERROR([Could not determine Linux release version from linux/version.h.]) +fi +AC_MSG_RESULT([$LINUXRELEASE]) +AC_SUBST(LINUXRELEASE) + +moduledir='/lib/modules/'$LINUXRELEASE/kernel +AC_SUBST(moduledir) + +modulefsdir='$(moduledir)/fs/$(PACKAGE)' +AC_SUBST(modulefsdir) + +modulenetdir='$(moduledir)/net/$(PACKAGE)' +AC_SUBST(modulenetdir) + +# ------------ RELEASE -------------------------------- +AC_MSG_CHECKING([for Lustre release]) +RELEASE="`echo ${LINUXRELEASE} | tr '-' '_'`_`date +%Y%m%d%H%M`" +AC_MSG_RESULT($RELEASE) +AC_SUBST(RELEASE) +]) + +# # LB_LINUX_PATH # # Find paths for linux, handling kernel-source rpms @@ -80,6 +115,10 @@ AC_ARG_WITH([linux], AC_MSG_RESULT([$LINUX]) AC_SUBST(LINUX) +# -------- check for linux -------- +LB_CHECK_FILE([$LINUX],[], + [AC_MSG_ERROR([Kernel source $LINUX could not be found.])]) + # -------- linux objects (for 2.6) -- AC_MSG_CHECKING([for Linux objects dir]) AC_ARG_WITH([linux-obj], @@ -90,7 +129,7 @@ AC_ARG_WITH([linux-obj], AC_MSG_RESULT([$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=$LINUX_OBJ/.config)])], @@ -98,22 +137,22 @@ AC_ARG_WITH([linux-config], [LINUX_CONFIG=$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.])]) @@ -129,17 +168,18 @@ if grep rhconfig $LINUX_OBJ/include/linux/version.h >/dev/null ; then # This is a clean kernel-source tree, we need to # enable extensive workarounds to get this to build # modules - AC_CHECK_FILE([$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 @@ -149,9 +189,11 @@ 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 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 ]) # @@ -250,13 +292,33 @@ AC_DEFUN([LB_LINUX_TRY_MAKE], [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 $target_cpu in + i?86 | x86_64) + LB_LINUX_CONFIG([STACK_SIZE_16KB],[],[ + LB_LINUX_CONFIG([STACK_SIZE_32KB],[],[ + LB_LINUX_CONFIG([STACK_SIZE_64KB],[],[ + AC_MSG_ERROR([Lustre requires that Linux is configured with at least a 16KB stack.]) + ]) + ]) + ]) + ;; + esac +fi +]) + +# # LB_PROG_LINUX # # linux tests # AC_DEFUN([LB_PROG_LINUX], [LB_LINUX_PATH -LB_LINUX_UML LB_LINUX_CONFIG([MODULES],[],[ AC_MSG_ERROR([module support is required to build Lustre kernel modules.]) @@ -274,288 +336,31 @@ if test "x$ARCH_UM" = "x" ; then fi ]) -# Portals tests -LP_PROG_LINUX - -# Lustre tests -LC_PROG_LINUX -]) - -# -# LB_LINUX_STRUCT_PAGE_LIST -# -# 2.6.4 no longer has page->list -# -AC_DEFUN([LB_LINUX_STRUCT_PAGE_LIST], -[AC_MSG_CHECKING([if struct page has a list field]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - struct page page; - &page.list; -],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_PAGE_LIST, 1, [struct page has a list field]) -],[ - AC_MSG_RESULT([no]) -]) -]) - -# -# LB_LINUX_STRUCT_SIGHAND -# -# red hat 2.4 adds sighand to struct task_struct -# -AC_DEFUN([LB_LINUX_STRUCT_SIGHAND], -[AC_MSG_CHECKING([if task_struct has a sighand field]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - struct task_struct p; - p.sighand = NULL; -],[ - AC_DEFINE(CONFIG_RH_2_4_20, 1, [this kernel contains Red Hat 2.4.20 patches]) - AC_MSG_RESULT([yes]) -],[ - AC_MSG_RESULT([no]) -]) +LB_LINUX_CONFIG([KMOD],[],[ + AC_MSG_WARN([]) + AC_MSG_WARN([Kernel module loading support is highly recommended.]) + AC_MSG_WARN([]) ]) -# -# LB_LINUX_FUNC_CPU_ONLINE -# -# cpu_online is different in rh 2.4, vanilla 2.4, and 2.6 -# -AC_DEFUN([LB_LINUX_FUNC_CPU_ONLINE], -[AC_MSG_CHECKING([if kernel defines cpu_online()]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - cpu_online(0); -],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_CPU_ONLINE, 1, [cpu_online found]) -],[ - AC_MSG_RESULT([no]) -]) -]) +#LB_LINUX_CONFIG_BIG_STACK -# -# LB_LINUX_TYPE_CPUMASK_T -# -# same goes for cpumask_t -# -AC_DEFUN([LB_LINUX_TYPE_CPUMASK_T], -[AC_MSG_CHECKING([if kernel defines cpumask_t]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - return sizeof (cpumask_t); -],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_CPUMASK_T, 1, [cpumask_t found]) -],[ - AC_MSG_RESULT([no]) -]) -]) +# LNet tests +LN_PROG_LINUX -# -# LB_LINUX_FUNC_SHOW_TASK -# -# we export show_task(), but not all kernels have it (yet) -# -AC_DEFUN([LB_LINUX_FUNC_SHOW_TASK], -[AC_MSG_CHECKING([if kernel exports show_task]) -have_show_task=0 -for file in ksyms sched ; do - if grep -q "EXPORT_SYMBOL(show_task)" \ - "$LINUX/kernel/$file.c" 2>/dev/null ; then - have_show_task=1 - break - fi -done -if test x$have_show_task = x1 ; then - AC_DEFINE(HAVE_SHOW_TASK, 1, [show_task is exported]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi -]) - -# -# LB_LINUX_CONFIG_EXT3 -# -# that ext3 is enabled in the kernel -# -AC_DEFUN([LB_LINUX_CONFIG_EXT3], -[LB_LINUX_CONFIG([EXT3_FS],[],[ - LB_LINUX_CONFIG([EXT3_FS_MODULE],[],[$2]) -]) -LB_LINUX_CONFIG([EXT3_FS_XATTR],[$1],[$3]) -]) - -# -# LB_LINUX_FSHOOKS -# -# If we have (and can build) fshooks.h -# -AC_DEFUN([LB_LINUX_FSHOOKS], -[AC_MSG_CHECKING([if this compiler can build a SuSE 2.6 kernel]) -# an excerpt from fshooks.h, which doesn't build with fedora's gcc 3.4 -LB_LINUX_TRY_COMPILE([ - /* for the lack of a kernel-wide definition */ - typedef enum { - false, - true - } boolean_t __attribute__((__mode__(__QI__))); -],[],[ - AC_MSG_RESULT([yes]) -],[ - AC_MSG_RESULT([no]) - AC_MSG_WARN([We suggest trying gcc 3.3.x.]) - AC_MSG_WARN([You can set CC=gcc33 before running configure.]) - AC_MSG_ERROR([Your compiler cannot build a SuSE 2.6 kernel.]) -]) -AC_MSG_CHECKING([if fshooks are present]) -LB_LINUX_TRY_COMPILE([ - #include -],[],[ - AC_MSG_RESULT([yes]) -$1 -],[ - AC_MSG_RESULT([no]) -$2 -]) -]) - -# -# LB_LINUX_STRUCT_KIOBUF -# -# rh 2.4.18 has iobuf->dovary, but other kernels do not -# -AC_DEFUN([LB_LINUX_STRUCT_KIOBUF], -[AC_MSG_CHECKING([if struct kiobuf has a dovary field]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - struct kiobuf iobuf; - iobuf.dovary = 1; -],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_KIOBUF_DOVARY, 1, [struct kiobuf has a dovary field]) -],[ - AC_MSG_RESULT([no]) -]) -]) - -# -# LB_LINUX_FUNC_COND_RESCHED -# -# cond_resched() was introduced in 2.4.20 -# -AC_DEFUN([LB_LINUX_FUNC_COND_RESCHED], -[AC_MSG_CHECKING([if kernel offers cond_resched]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - cond_resched(); -],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_COND_RESCHED, 1, [cond_resched found]) -],[ - AC_MSG_RESULT([no]) -]) -]) - -# -# LB_LINUX_FUNC_ZAP_PAGE_RANGE -# -# if zap_page_range() taks a vma arg -# -AC_DEFUN([LB_LINUX_FUNC_ZAP_PAGE_RANGE], -[AC_MSG_CHECKING([if zap_pag_range with vma parameter]) -ZAP_PAGE_RANGE_VMA="`grep -c 'zap_page_range.*struct vm_area_struct' $LINUX/include/linux/mm.h`" -if test "$ZAP_PAGE_RANGE_VMA" != 0 ; then - AC_DEFINE(ZAP_PAGE_RANGE_VMA, 1, [zap_page_range with vma parameter]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi -]) - -# -# LB_LINUX_FUNC_PDE -# -# if proc_fs.h defines PDE() -# -AC_DEFUN([LB_LINUX_FUNC_PDE], -[AC_MSG_CHECKING([if kernel defines PDE]) -HAVE_PDE="`grep -c 'proc_dir_entry..PDE' $LINUX/include/linux/proc_fs.h`" -if test "$HAVE_PDE" != 0 ; then - AC_DEFINE(HAVE_PDE, 1, [the kernel defines PDE]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi -]) +# Lustre tests +LC_PROG_LINUX -# -# LB_LINUX_FUNC_DIRECT_IO -# -# if direct_IO takes a struct file argument -# -AC_DEFUN([LB_LINUX_FUNC_DIRECT_IO], -[AC_MSG_CHECKING([if kernel passes struct file to direct_IO]) -HAVE_DIO_FILE="`grep -c 'direct_IO.*struct file' $LINUX/include/linux/fs.h`" -if test "$HAVE_DIO_FILE" != 0 ; then - AC_DEFINE(HAVE_DIO_FILE, 1, [the kernel passes struct file to direct_IO]) - AC_MSG_RESULT(yes) -else - AC_MSG_RESULT(no) +# Portals tests +if test "$PORTALS" ; then + LP_PROG_LINUX fi ]) # -# LB_LINUX_HEADER_MM_INLINE +# LB_LINUX_CONDITIONALS # -# RHEL kernels define page_count in mm_inline.h +# AM_CONDITIONALS for linux # -AC_DEFUN([LB_LINUX_HEADER_MM_INLINE], -[AC_MSG_CHECKING([if kernel has mm_inline.h header]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - #ifndef page_count - #error mm_inline.h does not define page_count - #endif -],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_MM_INLINE, 1, [mm_inline found]) -],[ - AC_MSG_RESULT([no]) -]) -]) - -# -# LB_LINUX_STRUCT_INODE -# -# if inode->i_alloc_sem exists -# -AC_DEFUN([LB_LINUX_STRUCT_INODE], -[AC_MSG_CHECKING([if struct inode has i_alloc_sem]) -LB_LINUX_TRY_COMPILE([ - #include - #include -],[ - #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,24)) - #error "down_read_trylock broken before 2.4.24" - #endif - struct inode i; - return (char *)&i.i_alloc_sem - (char *)&i; -],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_I_ALLOC_SEM, 1, [struct inode has i_alloc_sem]) -],[ - AC_MSG_RESULT([no]) -]) +AC_DEFUN([LB_LINUX_CONDITIONALS], +[AM_CONDITIONAL(LINUX25, test x$linux25 = xyes) ])