2008-12-05 17:46:11 +00:00
|
|
|
AC_DEFUN([ZFS_AC_KERNEL], [
|
|
|
|
ver=`uname -r`
|
|
|
|
|
|
|
|
AC_ARG_WITH([linux],
|
|
|
|
AS_HELP_STRING([--with-linux=PATH],
|
|
|
|
[Path to kernel source]),
|
|
|
|
[kernelsrc="$withval"; kernelbuild="$withval"])
|
|
|
|
|
|
|
|
AC_ARG_WITH(linux-obj,
|
|
|
|
AS_HELP_STRING([--with-linux-obj=PATH],
|
|
|
|
[Path to kernel build objects]),
|
|
|
|
[kernelbuild="$withval"])
|
|
|
|
|
|
|
|
AC_MSG_CHECKING([kernel source directory])
|
|
|
|
if test -z "$kernelsrc"; then
|
|
|
|
kernelbuild=
|
|
|
|
sourcelink=/lib/modules/${ver}/source
|
|
|
|
buildlink=/lib/modules/${ver}/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 "$kernelbuild"; then
|
|
|
|
AC_MSG_RESULT([Not found])
|
|
|
|
AC_MSG_ERROR([
|
|
|
|
*** Please specify the location of the kernel source
|
|
|
|
*** with the '--with-linux=PATH' option])
|
|
|
|
fi
|
|
|
|
fi
|
|
|
|
|
|
|
|
AC_MSG_RESULT([$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 &&
|
|
|
|
fgrep -q UTS_RELEASE $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`
|
|
|
|
|
|
|
|
elif test -r $kernelbuild/include/linux/utsrelease.h &&
|
|
|
|
fgrep -q UTS_RELEASE $kernelbuild/include/linux/utsrelease.h; then
|
|
|
|
|
|
|
|
kernsrcver=`(echo "#include <linux/utsrelease.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([$kernsrcver])
|
|
|
|
|
|
|
|
kmoduledir=${INSTALL_MOD_PATH}/lib/modules/$kernsrcver
|
|
|
|
LINUX=${kernelsrc}
|
|
|
|
LINUX_OBJ=${kernelbuild}
|
|
|
|
|
|
|
|
AC_SUBST(LINUX)
|
|
|
|
AC_SUBST(LINUX_OBJ)
|
|
|
|
AC_SUBST(kmoduledir)
|
|
|
|
])
|
|
|
|
|
|
|
|
AC_DEFUN([ZFS_AC_SPL], [
|
|
|
|
|
|
|
|
AC_ARG_WITH([spl],
|
|
|
|
AS_HELP_STRING([--with-spl=PATH],
|
|
|
|
[Path to spl source]),
|
|
|
|
[splsrc="$withval"; splbuild="$withval"])
|
|
|
|
|
|
|
|
AC_ARG_WITH([spl-obj],
|
|
|
|
AS_HELP_STRING([--with-spl-obj=PATH],
|
|
|
|
[Path to spl build objects]),
|
|
|
|
[splbuild="$withval"])
|
|
|
|
|
|
|
|
|
|
|
|
AC_MSG_CHECKING([spl source directory])
|
|
|
|
if test -z "$splsrc"; then
|
|
|
|
splbuild=
|
|
|
|
sourcelink=/tmp/`whoami`/spl
|
|
|
|
buildlink=/tmp/`whoami`/spl
|
|
|
|
|
|
|
|
if test -e $sourcelink; then
|
|
|
|
splsrc=`(cd $sourcelink; /bin/pwd)`
|
|
|
|
fi
|
|
|
|
if test -e $buildlink; then
|
|
|
|
splbuild=`(cd $buildlink; /bin/pwd)`
|
|
|
|
fi
|
|
|
|
if test -z "$splsrc"; then
|
|
|
|
splsrc=$splbuild
|
|
|
|
fi
|
|
|
|
fi
|
|
|
|
|
|
|
|
if test -z "$splsrc" -o -z "$splbuild"; then
|
|
|
|
sourcelink=/lib/modules/${ver}/source
|
|
|
|
buildlink=/lib/modules/${ver}/build
|
|
|
|
|
|
|
|
if test -e $sourcelink; then
|
|
|
|
splsrc=`(cd $sourcelink; /bin/pwd)`
|
|
|
|
fi
|
|
|
|
if test -e $buildlink; then
|
|
|
|
splbuild=`(cd $buildlink; /bin/pwd)`
|
|
|
|
fi
|
|
|
|
if test -z "$splsrc"; then
|
|
|
|
splsrc=$splbuild
|
|
|
|
fi
|
|
|
|
if test -z "$splsrc" -o -z "$splbuild"; then
|
|
|
|
AC_MSG_RESULT([Not found])
|
|
|
|
AC_MSG_ERROR([
|
|
|
|
*** Please specify the location of the spl source
|
|
|
|
*** with the '--with-spl=PATH' option])
|
|
|
|
fi
|
|
|
|
fi
|
|
|
|
|
|
|
|
AC_MSG_RESULT([$splsrc])
|
|
|
|
AC_MSG_CHECKING([spl build directory])
|
|
|
|
AC_MSG_RESULT([$splbuild])
|
|
|
|
|
|
|
|
AC_MSG_CHECKING([spl source version])
|
|
|
|
if test -r $splbuild/spl_config.h &&
|
|
|
|
fgrep -q VERSION $splbuild/spl_config.h; then
|
|
|
|
|
|
|
|
splsrcver=`(echo "#include <spl_config.h>";
|
|
|
|
echo "splsrcver=VERSION") |
|
|
|
|
cpp -I $splbuild |
|
|
|
|
grep "^splsrcver=" | cut -d \" -f 2`
|
|
|
|
fi
|
|
|
|
|
|
|
|
if test -z "$splsrcver"; then
|
|
|
|
AC_MSG_RESULT([Not found])
|
|
|
|
AC_MSG_ERROR([
|
|
|
|
*** Cannot determine the version of the spl source.
|
|
|
|
*** Please prepare the spl source before running this script])
|
|
|
|
fi
|
|
|
|
|
|
|
|
AC_MSG_RESULT([$splsrcver])
|
|
|
|
|
|
|
|
AC_MSG_CHECKING([spl Module.symvers])
|
|
|
|
if test -r $splbuild/modules/Module.symvers; then
|
|
|
|
splsymvers=$splbuild/modules/Module.symvers
|
|
|
|
elif test -r $kernelbuild/Module.symvers; then
|
|
|
|
splsymvers=$kernelbuild/Module.symvers
|
|
|
|
fi
|
|
|
|
|
|
|
|
if test -z "$splsymvers"; then
|
|
|
|
AC_MSG_RESULT([Not found])
|
|
|
|
AC_MSG_ERROR([
|
|
|
|
*** Cannot find extra Module.symvers in the spl source.
|
|
|
|
*** Please prepare the spl source before running this script])
|
|
|
|
fi
|
|
|
|
|
|
|
|
AC_MSG_RESULT([$splsymvers])
|
|
|
|
AC_SUBST(splsrc)
|
|
|
|
AC_SUBST(splsymvers)
|
|
|
|
])
|
|
|
|
|
|
|
|
AC_DEFUN([ZFS_AC_LICENSE], [
|
|
|
|
AC_MSG_CHECKING([license])
|
|
|
|
AC_MSG_RESULT([CDDL])
|
|
|
|
dnl # AC_DEFINE([HAVE_GPL_ONLY_SYMBOLS], [1],
|
|
|
|
dnl # [Define to 1 if module is licensed under the GPL])
|
|
|
|
])
|
|
|
|
|
|
|
|
AC_DEFUN([ZFS_AC_DEBUG], [
|
|
|
|
AC_MSG_CHECKING([whether debugging is enabled])
|
|
|
|
AC_ARG_ENABLE( [debug],
|
|
|
|
AS_HELP_STRING([--enable-debug],
|
|
|
|
[Enable generic debug support (default off)]),
|
|
|
|
[ case "$enableval" in
|
|
|
|
yes) zfs_ac_debug=yes ;;
|
|
|
|
no) zfs_ac_debug=no ;;
|
|
|
|
*) AC_MSG_RESULT([Error!])
|
|
|
|
AC_MSG_ERROR([Bad value "$enableval" for --enable-debug]) ;;
|
|
|
|
esac ]
|
|
|
|
)
|
|
|
|
if test "$zfs_ac_debug" = yes; then
|
|
|
|
AC_MSG_RESULT([yes])
|
|
|
|
KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG "
|
|
|
|
HOSTCFLAGS="${HOSTCFLAGS} -DDEBUG "
|
|
|
|
else
|
|
|
|
AC_MSG_RESULT([no])
|
|
|
|
AC_DEFINE([NDEBUG], [1],
|
|
|
|
[Define to 1 to disable debug tracing])
|
|
|
|
KERNELCPPFLAGS="${KERNELCPPFLAGS} -DNDEBUG "
|
|
|
|
HOSTCFLAGS="${HOSTCFLAGS} -DNDEBUG "
|
|
|
|
fi
|
|
|
|
])
|
|
|
|
|
|
|
|
AC_DEFUN([ZFS_AC_CONFIG_SCRIPT], [
|
|
|
|
SCRIPT_CONFIG=.script-config
|
|
|
|
rm -f ${SCRIPT_CONFIG}
|
|
|
|
echo "KERNELSRC=${LINUX}" >>${SCRIPT_CONFIG}
|
|
|
|
echo "KERNELBUILD=${LINUX_OBJ}" >>${SCRIPT_CONFIG}
|
|
|
|
echo "KERNELSRCVER=$kernsrcver" >>${SCRIPT_CONFIG}
|
|
|
|
echo >>${SCRIPT_CONFIG}
|
|
|
|
echo "SPLSRC=$splsrc" >>${SCRIPT_CONFIG}
|
|
|
|
echo "SPLBUILD=$splbuild" >>${SCRIPT_CONFIG}
|
|
|
|
echo "SPLSRCVER=$splsrcver" >>${SCRIPT_CONFIG}
|
|
|
|
echo "SPLSYMVERS=$splsymvers" >>${SCRIPT_CONFIG}
|
|
|
|
echo >>${SCRIPT_CONFIG}
|
|
|
|
echo "ZFSSRC=${TOPDIR}/src" >>${SCRIPT_CONFIG}
|
|
|
|
echo "ZFSBUILD=${ZFSDIR}" >>${SCRIPT_CONFIG}
|
|
|
|
echo >>${SCRIPT_CONFIG}
|
|
|
|
echo "TOPDIR=${TOPDIR}" >>${SCRIPT_CONFIG}
|
|
|
|
echo "LIBDIR=${LIBDIR}" >>${SCRIPT_CONFIG}
|
|
|
|
echo "CMDDIR=${CMDDIR}" >>${SCRIPT_CONFIG}
|
|
|
|
])
|
|
|
|
|
|
|
|
AC_DEFUN([ZFS_AC_CONFIG], [
|
|
|
|
|
|
|
|
TOPDIR=`/bin/pwd`
|
|
|
|
BUILDDIR=$ZFS_META_NAME #+$zfsconfig
|
|
|
|
ZFSDIR=$TOPDIR/$BUILDDIR
|
|
|
|
LIBDIR=$ZFSDIR/lib
|
|
|
|
CMDDIR=$ZFSDIR/zcmd
|
|
|
|
UNAME=`uname -r | cut -d- -f1`
|
|
|
|
|
|
|
|
AC_SUBST(UNAME)
|
|
|
|
AC_SUBST(TOPDIR)
|
|
|
|
AC_SUBST(BUILDDIR)
|
|
|
|
AC_SUBST(ZFSDIR)
|
|
|
|
AC_SUBST(LIBDIR)
|
|
|
|
AC_SUBST(CMDDIR)
|
|
|
|
AC_SUBST(UNAME)
|
|
|
|
|
|
|
|
AC_ARG_WITH([zfs-config],
|
|
|
|
AS_HELP_STRING([--with-config=CONFIG],
|
2008-12-15 18:28:14 +00:00
|
|
|
[Config file 'kernel|user|all']),
|
2008-12-05 17:46:11 +00:00
|
|
|
[zfsconfig="$withval"])
|
|
|
|
|
|
|
|
AC_MSG_CHECKING([zfs config])
|
|
|
|
AC_MSG_RESULT([$zfsconfig]);
|
|
|
|
|
|
|
|
case "$zfsconfig" in
|
|
|
|
kernel) ZFS_AC_CONFIG_KERNEL ;;
|
2008-12-15 18:28:14 +00:00
|
|
|
user) ZFS_AC_CONFIG_USER ;;
|
|
|
|
all) ZFS_AC_CONFIG_KERNEL
|
|
|
|
ZFS_AC_CONFIG_USER ;;
|
2008-12-05 17:46:11 +00:00
|
|
|
*)
|
|
|
|
AC_MSG_RESULT([Error!])
|
|
|
|
AC_MSG_ERROR([Bad value "$zfsconfig" for --with-config,
|
2008-12-15 18:28:14 +00:00
|
|
|
user kernel|user|all]) ;;
|
2008-12-05 17:46:11 +00:00
|
|
|
esac
|
|
|
|
|
|
|
|
ZFS_AC_CONFIG_SCRIPT
|
|
|
|
])
|
|
|
|
|
|
|
|
dnl #
|
|
|
|
dnl # ZFS_LINUX_CONFTEST
|
|
|
|
dnl #
|
|
|
|
AC_DEFUN([ZFS_LINUX_CONFTEST], [
|
|
|
|
cat >conftest.c <<_ACEOF
|
|
|
|
$1
|
|
|
|
_ACEOF
|
|
|
|
])
|
|
|
|
|
|
|
|
dnl #
|
|
|
|
dnl # ZFS_LANG_PROGRAM(C)([PROLOGUE], [BODY])
|
|
|
|
dnl #
|
|
|
|
m4_define([ZFS_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;
|
|
|
|
}
|
|
|
|
])
|
|
|
|
|
|
|
|
dnl #
|
|
|
|
dnl # ZFS_LINUX_COMPILE_IFELSE / like AC_COMPILE_IFELSE
|
|
|
|
dnl #
|
|
|
|
AC_DEFUN([ZFS_LINUX_COMPILE_IFELSE], [
|
|
|
|
m4_ifvaln([$1], [ZFS_LINUX_CONFTEST([$1])])dnl
|
|
|
|
rm -f build/conftest.o build/conftest.mod.c build/conftest.ko build/Makefile
|
|
|
|
echo "obj-m := conftest.o" >build/Makefile
|
|
|
|
dnl AS_IF([AC_TRY_COMMAND(cp conftest.c build && make [$2] CC="$CC" -f $PWD/build/Makefile LINUXINCLUDE="-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" $ARCH_UM SUBDIRS=$PWD/build) >/dev/null && AC_TRY_COMMAND([$3])],
|
|
|
|
AS_IF([AC_TRY_COMMAND(cp conftest.c build && make [$2] CC="$CC" LINUXINCLUDE="-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" $ARCH_UM M=$PWD/build) >/dev/null && AC_TRY_COMMAND([$3])],
|
|
|
|
[$4],
|
|
|
|
[_AC_MSG_LOG_CONFTEST
|
|
|
|
m4_ifvaln([$5],[$5])dnl])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
|
|
|
|
])
|
|
|
|
|
|
|
|
dnl #
|
|
|
|
dnl # ZFS_LINUX_TRY_COMPILE like AC_TRY_COMPILE
|
|
|
|
dnl #
|
|
|
|
AC_DEFUN([ZFS_LINUX_TRY_COMPILE],
|
|
|
|
[ZFS_LINUX_COMPILE_IFELSE(
|
|
|
|
[AC_LANG_SOURCE([ZFS_LANG_PROGRAM([[$1]], [[$2]])])],
|
|
|
|
[modules],
|
|
|
|
[test -s build/conftest.o],
|
|
|
|
[$3], [$4])
|
|
|
|
])
|
|
|
|
|
|
|
|
dnl #
|
|
|
|
dnl # ZFS_LINUX_CONFIG
|
|
|
|
dnl #
|
|
|
|
AC_DEFUN([ZFS_LINUX_CONFIG],
|
|
|
|
[AC_MSG_CHECKING([whether Linux was built with CONFIG_$1])
|
|
|
|
ZFS_LINUX_TRY_COMPILE([
|
|
|
|
#ifndef AUTOCONF_INCLUDED
|
|
|
|
#include <linux/config.h>
|
|
|
|
#endif
|
|
|
|
],[
|
|
|
|
#ifndef CONFIG_$1
|
|
|
|
#error CONFIG_$1 not #defined
|
|
|
|
#endif
|
|
|
|
],[
|
|
|
|
AC_MSG_RESULT([yes])
|
|
|
|
$2
|
|
|
|
],[
|
|
|
|
AC_MSG_RESULT([no])
|
|
|
|
$3
|
|
|
|
])
|
|
|
|
])
|
|
|
|
|
|
|
|
dnl #
|
|
|
|
dnl # ZFS_CHECK_SYMBOL_EXPORT
|
|
|
|
dnl # check symbol exported or not
|
|
|
|
dnl #
|
|
|
|
AC_DEFUN([ZFS_CHECK_SYMBOL_EXPORT],
|
|
|
|
[AC_MSG_CHECKING([whether symbol $1 is exported])
|
|
|
|
grep -q -E '[[[:space:]]]$1[[[:space:]]]' $LINUX/Module.symvers 2>/dev/null
|
|
|
|
rc=$?
|
|
|
|
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])
|
|
|
|
$3
|
|
|
|
fi
|
|
|
|
])
|
|
|
|
|
|
|
|
dnl #
|
|
|
|
dnl # 2.6.x API change
|
|
|
|
dnl # bio_end_io_t uses 2 args (size was dropped from prototype)
|
|
|
|
dnl #
|
|
|
|
AC_DEFUN([ZFS_AC_2ARGS_BIO_END_IO_T],
|
|
|
|
[AC_MSG_CHECKING([whether bio_end_io_t wants 2 args])
|
|
|
|
tmp_flags="$EXTRA_KCFLAGS"
|
|
|
|
EXTRA_KCFLAGS="-Werror"
|
|
|
|
ZFS_LINUX_TRY_COMPILE([
|
|
|
|
#include <linux/bio.h>
|
|
|
|
],[
|
|
|
|
void (*wanted_end_io)(struct bio *, int) = NULL;
|
|
|
|
bio_end_io_t *local_end_io;
|
|
|
|
|
|
|
|
local_end_io = wanted_end_io;
|
|
|
|
],[
|
|
|
|
AC_MSG_RESULT(yes)
|
|
|
|
AC_DEFINE(HAVE_2ARGS_BIO_END_IO_T, 1,
|
|
|
|
[bio_end_io_t wants 2 args])
|
|
|
|
],[
|
|
|
|
AC_MSG_RESULT(no)
|
|
|
|
])
|
|
|
|
EXTRA_KCFLAGS="$tmp_flags"
|
|
|
|
])
|