| AC_INIT(fuse-kernel, 2.6.0-pre1) |
| AC_CONFIG_HEADERS([config.h]) |
| |
| AC_PROG_INSTALL |
| |
| runver=`uname -r` |
| ENABLE_FUSE_MODULE=y |
| KERNELCFLAGS= |
| |
| kernelsrc= |
| kernelbuild= |
| AC_ARG_WITH(kernel, |
| [ --with-kernel=PATH Specify location of kernel source ], |
| [kernelsrc="$withval"; kernelbuild="$withval"]) |
| AC_ARG_WITH(kernel-build, |
| [ --with-kernel-build=PATH Specify location of kernel build ], |
| [kernelbuild="$withval"]) |
| AC_ARG_ENABLE(kernel-module, |
| [ --enable-kernel-module Compile kernel module ]) |
| |
| if test -z "$enable_kernel_module" -a -z "$kernelbuild" && echo "$runver" | grep -q "^2.6"; then |
| checkmodule=no |
| AC_MSG_CHECKING([if FUSE is loaded as a module]) |
| if cat /proc/modules | grep -q "^fuse "; then |
| AC_MSG_RESULT([yes]) |
| checkmodule=yes |
| else |
| AC_MSG_RESULT([no]) |
| AC_MSG_CHECKING([if FUSE module is built into the kernel]) |
| if test -e /sys/class/misc/fuse; then |
| AC_MSG_RESULT([yes]) |
| ENABLE_FUSE_MODULE=n |
| else |
| AC_MSG_RESULT([no]) |
| checkmodule=yes |
| fi |
| fi |
| if test "$checkmodule" = yes; then |
| AC_MSG_CHECKING([if FUSE module is from official kernel]) |
| if test ! -f /lib/modules/${runver}/kernel/fs/fuse/fuse.ko; then |
| AC_MSG_RESULT([no]) |
| elif fgrep -q "fuse distribution version: " /lib/modules/${runver}/kernel/fs/fuse/fuse.ko 2> /dev/null; then |
| AC_MSG_RESULT([no]) |
| else |
| AC_MSG_RESULT([yes]) |
| ENABLE_FUSE_MODULE=n |
| fi |
| fi |
| fi |
| |
| if test "$ENABLE_FUSE_MODULE" = y; then |
| AC_MSG_CHECKING([kernel source directory]) |
| if test -z "$kernelsrc"; then |
| kernelbuild= |
| sourcelink=/lib/modules/${runver}/source |
| buildlink=/lib/modules/${runver}/build |
| |
| if test -e $sourcelink; then |
| kernelsrc=`(cd $sourcelink; /bin/pwd)` |
| fi |
| if test -e $buildlink; then |
| kernelbuild=`(cd $buildlink; /bin/pwd)` |
| fi |
| if test -z "$kernelsrc"; then |
| kernelsrc=$kernelbuild |
| fi |
| if test -z "$kernelsrc" -o -z "$kernelbuild"; then |
| AC_MSG_RESULT([Not found]) |
| AC_MSG_ERROR([ |
| *** Please specify the location of the kernel source with |
| *** the '--with-kernel=SRCDIR' option]) |
| fi |
| fi |
| AC_MSG_RESULT([$kernelsrc]) |
| AC_MSG_CHECKING([kernel build directory]) |
| AC_MSG_RESULT([$kernelbuild]) |
| |
| AC_MSG_CHECKING([kernel source version]) |
| if test -r $kernelbuild/include/linux/version.h; then |
| kernsrcver=`(echo "#include <linux/version.h>"; echo "kernsrcver=UTS_RELEASE") | cpp -I $kernelbuild/include | grep "^kernsrcver=" | cut -d \" -f 2` |
| fi |
| if test -z "$kernsrcver"; then |
| AC_MSG_RESULT([Not found]) |
| AC_MSG_ERROR([ |
| *** Cannot determine the version of the linux kernel source. Please |
| *** prepare the kernel before running this script]) |
| fi |
| AC_MSG_RESULT([$kernsrcver]) |
| majver=`echo "$kernsrcver" | cut -f-2 -d.` |
| kmoduledir=${INSTALL_MOD_PATH}/lib/modules/$kernsrcver |
| AC_SUBST(kernelsrc) |
| AC_SUBST(majver) |
| AC_SUBST(kmoduledir) |
| |
| if echo "$kernsrcver" | grep -q "^2.4"; then |
| old_cflags="$CFLAGS" |
| CFLAGS="-I${kernelsrc}/include -Wall -O2 -fno-strict-aliasing -D__KERNEL__" |
| AC_CHECK_DECL(i_size_read, |
| AC_DEFINE(HAVE_I_SIZE_FUNC, 1, |
| [Kernel has i_size_read() and i_size_write() functions]),, |
| [#include <linux/fs.h>]) |
| AC_CHECK_DECL(recalc_sigpending_tsk, |
| AC_DEFINE(HAVE_RECALC_SIGPENDING_TSK, 1, |
| [Kernel has recalc_sigpending_tsk() function]),, |
| [#include <linux/sched.h>]) |
| AC_MSG_CHECKING([if '-msoft-float' option is valid]) |
| CFLAGS="-msoft-float" |
| have_msoft_float=no |
| AC_TRY_COMPILE([], [], [have_msoft_float=yes]) |
| AC_MSG_RESULT([$have_msoft_float]) |
| if test "$have_msoft_float" = yes; then |
| KERNELCFLAGS="$CFLAGS" |
| fi |
| CFLAGS="$old_cflags" |
| AC_MSG_CHECKING([architecture]) |
| arch=`/bin/ls -l ${kernelsrc}/include/asm | sed "s/.*-> asm-//"` |
| AC_MSG_RESULT([$arch]) |
| if test "$arch" = x86_64; then |
| KERNELCFLAGS="$KERNELCFLAGS -mno-red-zone -mcmodel=kernel -fno-reorder-blocks -finline-limit=2000" |
| fi |
| else |
| fuse_configured=no |
| kernel_autoconf=$kernelbuild/include/linux/autoconf.h |
| AC_MSG_CHECKING([if FUSE is configured in the kernel]) |
| if test -f $kernel_autoconf; then |
| if grep -q "^#define CONFIG_FUSE_FS 1" $kernel_autoconf || grep -q "^#define CONFIG_FUSE_FS_MODULE 1" $kernel_autoconf; then |
| fuse_configured=yes |
| fi |
| fi |
| AC_MSG_RESULT([$fuse_configured]) |
| if test -z "$enable_kernel_module" -a "$fuse_configured" = yes; then |
| ENABLE_FUSE_MODULE=n |
| fi |
| fi |
| fi |
| |
| if test "$ENABLE_FUSE_MODULE" = n; then |
| AC_MSG_NOTICE([NOTE: Detected that FUSE is already present in the kernel, so]) |
| AC_MSG_NOTICE([NOTE: building of kernel module is disabled. To force building]) |
| AC_MSG_NOTICE([NOTE: of kernel module use the '--enable-kernel-module' option.]) |
| fi |
| |
| if test "$enable_kernel_module" = no; then |
| ENABLE_FUSE_MODULE=n |
| fi |
| |
| AC_SUBST(ENABLE_FUSE_MODULE) |
| |
| if test "$ENABLE_FUSE_MODULE" = y; then |
| AC_MSG_CHECKING([if kernel has extended attribute support]) |
| if test -f $kernelsrc/include/linux/xattr.h; then |
| AC_DEFINE(HAVE_KERNEL_XATTR, 1, [Kernel has xattr support]) |
| AC_MSG_RESULT([yes]) |
| else |
| AC_MSG_RESULT([no]) |
| fi |
| AC_MSG_CHECKING([if kernel defines kzalloc function]) |
| if egrep -qw "kzalloc" $kernelsrc/include/linux/slab.h; then |
| AC_DEFINE(HAVE_KZALLOC, 1, [kzalloc() is defined]) |
| AC_MSG_RESULT([yes]) |
| else |
| AC_MSG_RESULT([no]) |
| fi |
| |
| AC_MSG_CHECKING([if kernel defines fs_subsys]) |
| if egrep -qw "fs_subsys" $kernelsrc/include/linux/fs.h; then |
| AC_DEFINE(HAVE_FS_SUBSYS, 1, [fs_subsys is defined]) |
| AC_MSG_RESULT([yes]) |
| else |
| AC_MSG_RESULT([no]) |
| fi |
| |
| AC_MSG_CHECKING([whether lookup_instantiate_filp is defined]) |
| if test -f $kernelsrc/include/linux/namei.h && egrep -q "lookup_instantiate_filp" $kernelsrc/include/linux/namei.h; then |
| AC_DEFINE(HAVE_LOOKUP_INSTANTIATE_FILP, 1, [lookup_instantiate_filp() is defined]) |
| AC_MSG_RESULT([yes]) |
| else |
| AC_MSG_RESULT([no]) |
| fi |
| |
| isuml=no |
| KERNELMAKE_PARAMS= |
| KERNELCPPFLAGS= |
| AC_MSG_CHECKING([if this is user mode linux]) |
| if test -f $kernelbuild/include/linux/autoconf.h && egrep -q "^#define CONFIG_(USERMODE|UML) 1" $kernelbuild/include/linux/autoconf.h; then |
| isuml=yes |
| KERNELMAKE_PARAMS="ARCH=um" |
| KERNELCPPFLAGS="-D__arch_um__ -DSUBARCH=\\\"i386\\\" -D_LARGEFILE64_SOURCE -I${kernelsrc}/arch/um/include -Derrno=kernel_errno -I${kernelsrc}/arch/um/kernel/tt/include -I${kernelsrc}/arch/um/kernel/skas/include" |
| fi |
| AC_MSG_RESULT([$isuml]) |
| if test "$kernelbuild" != "$kernelsrc"; then |
| KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$kernelbuild" |
| fi |
| AC_SUBST(KERNELMAKE_PARAMS) |
| AC_SUBST(KERNELCPPFLAGS) |
| AC_SUBST(KERNELCFLAGS) |
| fi |
| |
| AC_CONFIG_FILES([Makefile]) |
| AC_OUTPUT |