2008-12-05 17:46:11 +00:00
|
|
|
dnl #
|
|
|
|
dnl # Default ZFS kernel configuration
|
|
|
|
dnl #
|
|
|
|
AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [
|
2009-07-01 17:53:05 +00:00
|
|
|
ZFS_AC_KERNEL
|
|
|
|
ZFS_AC_SPL
|
2009-11-16 18:31:10 +00:00
|
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|
ZFS_AC_KERNEL_BDEV_BLOCK_DEVICE_OPERATIONS
|
2009-12-23 22:42:32 +00:00
|
|
|
ZFS_AC_KERNEL_TYPE_FMODE_T
|
2009-07-30 00:14:23 +00:00
|
|
|
ZFS_AC_KERNEL_OPEN_BDEV_EXCLUSIVE
|
|
|
|
ZFS_AC_KERNEL_INVALIDATE_BDEV_ARGS
|
2009-11-12 20:49:01 +00:00
|
|
|
ZFS_AC_KERNEL_BDEV_LOGICAL_BLOCK_SIZE
|
2009-11-16 18:31:10 +00:00
|
|
|
ZFS_AC_KERNEL_BIO_EMPTY_BARRIER
|
2009-07-30 00:14:23 +00:00
|
|
|
ZFS_AC_KERNEL_BIO_END_IO_T_ARGS
|
|
|
|
ZFS_AC_KERNEL_BIO_RW_SYNCIO
|
2009-11-16 18:31:10 +00:00
|
|
|
ZFS_AC_KERNEL_BLK_END_REQUEST
|
|
|
|
ZFS_AC_KERNEL_BLK_FETCH_REQUEST
|
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|
|
ZFS_AC_KERNEL_BLK_REQUEUE_REQUEST
|
|
|
|
ZFS_AC_KERNEL_BLK_RQ_BYTES
|
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|
|
ZFS_AC_KERNEL_BLK_RQ_POS
|
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|
ZFS_AC_KERNEL_BLK_RQ_SECTORS
|
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|
ZFS_AC_KERNEL_GET_DISK_RO
|
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|
ZFS_AC_KERNEL_RQ_IS_SYNC
|
2009-11-20 18:04:56 +00:00
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|
|
ZFS_AC_KERNEL_RQ_FOR_EACH_SEGMENT
|
2009-07-01 17:53:05 +00:00
|
|
|
|
2008-12-05 17:46:11 +00:00
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|
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dnl # Kernel build make options
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|
|
dnl # KERNELMAKE_PARAMS="V=1" # Enable verbose module build
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|
KERNELMAKE_PARAMS=
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|
|
2009-03-12 17:55:56 +00:00
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|
dnl # -Wall -fno-strict-aliasing -Wstrict-prototypes and other
|
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|
|
dnl # compiler options are added by the kernel build system.
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|
|
KERNELCPPFLAGS="$KERNELCPPFLAGS -Werror -DHAVE_SPL -D_KERNEL"
|
2009-03-12 05:12:00 +00:00
|
|
|
KERNELCPPFLAGS="$KERNELCPPFLAGS -DTEXT_DOMAIN=\\\"zfs-linux-kernel\\\""
|
2009-07-01 17:53:05 +00:00
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|
|
KERNELCPPFLAGS="$KERNELCPPFLAGS -I$TOPDIR -I$SPL -I$SPL/include"
|
2008-12-05 17:46:11 +00:00
|
|
|
|
2009-07-01 17:53:05 +00:00
|
|
|
if test "$LINUX_OBJ" != "$LINUX"; then
|
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|
|
KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$LINUX_OBJ"
|
2008-12-05 17:46:11 +00:00
|
|
|
fi
|
|
|
|
|
2009-07-01 17:53:05 +00:00
|
|
|
AC_SUBST(KERNELMAKE_PARAMS)
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|
|
|
AC_SUBST(KERNELCPPFLAGS)
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|
|
|
])
|
2008-12-16 00:46:34 +00:00
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|
2009-07-01 17:53:05 +00:00
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dnl #
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|
dnl # Detect name used more Module.symvers file
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|
dnl #
|
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|
|
AC_DEFUN([ZFS_AC_MODULE_SYMVERS], [
|
2009-07-02 17:44:43 +00:00
|
|
|
modpost=$LINUX/scripts/Makefile.modpost
|
2009-07-01 17:53:05 +00:00
|
|
|
AC_MSG_CHECKING([kernel file name for module symbols])
|
2009-07-02 17:44:43 +00:00
|
|
|
if test -f "$modpost"; then
|
|
|
|
if grep -q Modules.symvers $modpost; then
|
|
|
|
LINUX_SYMBOLS=Modules.symvers
|
|
|
|
else
|
|
|
|
LINUX_SYMBOLS=Module.symvers
|
|
|
|
fi
|
2009-07-01 17:53:05 +00:00
|
|
|
else
|
2009-07-02 17:44:43 +00:00
|
|
|
LINUX_SYMBOLS=NONE
|
2009-07-01 17:53:05 +00:00
|
|
|
fi
|
|
|
|
AC_MSG_RESULT($LINUX_SYMBOLS)
|
|
|
|
AC_SUBST(LINUX_SYMBOLS)
|
|
|
|
])
|
|
|
|
|
|
|
|
dnl #
|
|
|
|
dnl # Detect the kernel to be built against
|
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|
|
dnl #
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL], [
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|
|
|
AC_ARG_WITH([linux],
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|
|
|
AS_HELP_STRING([--with-linux=PATH],
|
|
|
|
[Path to kernel source]),
|
|
|
|
[kernelsrc="$withval"])
|
|
|
|
|
|
|
|
AC_ARG_WITH(linux-obj,
|
|
|
|
AS_HELP_STRING([--with-linux-obj=PATH],
|
|
|
|
[Path to kernel build objects]),
|
|
|
|
[kernelbuild="$withval"])
|
|
|
|
|
|
|
|
AC_MSG_CHECKING([kernel source directory])
|
|
|
|
if test -z "$kernelsrc"; then
|
|
|
|
sourcelink=`ls -1d /usr/src/kernels/* /usr/src/linux-* \
|
|
|
|
2>/dev/null | grep -v obj | tail -1`
|
|
|
|
|
|
|
|
if test -e $sourcelink; then
|
|
|
|
kernelsrc=`readlink -f ${sourcelink}`
|
|
|
|
else
|
|
|
|
AC_MSG_RESULT([Not found])
|
|
|
|
AC_MSG_ERROR([
|
|
|
|
*** Please specify the location of the kernel source
|
|
|
|
*** with the '--with-linux=PATH' option])
|
|
|
|
fi
|
|
|
|
else
|
|
|
|
if test "$kernelsrc" = "NONE"; then
|
|
|
|
kernsrcver=NONE
|
|
|
|
fi
|
|
|
|
fi
|
|
|
|
|
|
|
|
AC_MSG_RESULT([$kernelsrc])
|
|
|
|
AC_MSG_CHECKING([kernel build directory])
|
|
|
|
if test -z "$kernelbuild"; then
|
2009-07-24 23:26:17 +00:00
|
|
|
if test -d ${kernelsrc}-obj/`arch`/`arch`; then
|
2009-07-01 17:53:05 +00:00
|
|
|
kernelbuild=${kernelsrc}-obj/`arch`/`arch`
|
2009-07-24 23:26:17 +00:00
|
|
|
elif test -d ${kernelsrc}-obj/`arch`/default; then
|
|
|
|
kernelbuild=${kernelsrc}-obj/`arch`/default
|
2009-07-01 17:53:05 +00:00
|
|
|
elif test -d `dirname ${kernelsrc}`/build-`arch`; then
|
|
|
|
kernelbuild=`dirname ${kernelsrc}`/build-`arch`
|
|
|
|
else
|
|
|
|
kernelbuild=${kernelsrc}
|
|
|
|
fi
|
|
|
|
fi
|
|
|
|
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([$kernsrcver])
|
|
|
|
|
|
|
|
LINUX=${kernelsrc}
|
|
|
|
LINUX_OBJ=${kernelbuild}
|
|
|
|
LINUX_VERSION=${kernsrcver}
|
|
|
|
|
|
|
|
AC_SUBST(LINUX)
|
|
|
|
AC_SUBST(LINUX_OBJ)
|
|
|
|
AC_SUBST(LINUX_VERSION)
|
|
|
|
|
|
|
|
ZFS_AC_MODULE_SYMVERS
|
|
|
|
])
|
|
|
|
|
|
|
|
dnl #
|
|
|
|
dnl # Detect name used for the additional SPL Module.symvers file
|
|
|
|
dnl #
|
|
|
|
AC_DEFUN([ZFS_AC_SPL_MODULE_SYMVERS], [
|
|
|
|
AC_MSG_CHECKING([spl file name for module symbols])
|
|
|
|
if test -r $SPL_OBJ/Module.symvers; then
|
|
|
|
SPL_SYMBOLS=Module.symvers
|
|
|
|
elif test -r $SPL_OBJ/Modules.symvers; then
|
|
|
|
SPL_SYMBOLS=Modules.symvers
|
|
|
|
else
|
2009-07-02 17:44:43 +00:00
|
|
|
SPL_SYMBOLS=NONE
|
2009-07-01 17:53:05 +00:00
|
|
|
fi
|
|
|
|
|
|
|
|
AC_MSG_RESULT([$SPL_SYMBOLS])
|
|
|
|
AC_SUBST(SPL_SYMBOLS)
|
|
|
|
])
|
|
|
|
|
|
|
|
dnl #
|
|
|
|
dnl # Detect the SPL module to be built against
|
|
|
|
dnl #
|
|
|
|
AC_DEFUN([ZFS_AC_SPL], [
|
|
|
|
AC_ARG_WITH([spl],
|
|
|
|
AS_HELP_STRING([--with-spl=PATH],
|
|
|
|
[Path to spl source]),
|
|
|
|
[splsrc="$withval"])
|
|
|
|
|
|
|
|
AC_ARG_WITH([spl-obj],
|
|
|
|
AS_HELP_STRING([--with-spl-obj=PATH],
|
|
|
|
[Path to spl build objects]),
|
|
|
|
[splbuild="$withval"])
|
|
|
|
|
|
|
|
|
|
|
|
AC_MSG_CHECKING([spl source directory])
|
|
|
|
if test -z "$splsrc"; then
|
|
|
|
sourcelink=`ls -1d /usr/src/spl-*/${LINUX_VERSION} \
|
|
|
|
2>/dev/null | tail -1`
|
|
|
|
|
|
|
|
if test -e $sourcelink; then
|
|
|
|
splsrc=`readlink -f ${sourcelink}`
|
|
|
|
else
|
|
|
|
AC_MSG_RESULT([Not found])
|
|
|
|
AC_MSG_ERROR([
|
|
|
|
*** Please specify the location of the spl source
|
|
|
|
*** with the '--with-spl=PATH' option])
|
|
|
|
fi
|
|
|
|
else
|
|
|
|
if test "$splsrc" = "NONE"; then
|
|
|
|
splbuild=NONE
|
|
|
|
splsrcver=NONE
|
|
|
|
fi
|
|
|
|
fi
|
|
|
|
|
|
|
|
AC_MSG_RESULT([$splsrc])
|
|
|
|
AC_MSG_CHECKING([spl build directory])
|
|
|
|
if test -z "$splbuild"; then
|
|
|
|
if test -d ${splsrc}/module; then
|
|
|
|
splbuild=${splsrc}/module
|
|
|
|
else
|
|
|
|
splbuild=${splsrc}
|
|
|
|
fi
|
|
|
|
fi
|
|
|
|
AC_MSG_RESULT([$splbuild])
|
|
|
|
|
|
|
|
AC_MSG_CHECKING([spl source version])
|
|
|
|
if test -r $splsrc/spl_config.h &&
|
|
|
|
fgrep -q SPL_META_VERSION $splsrc/spl_config.h; then
|
|
|
|
|
|
|
|
splsrcver=`(echo "#include <spl_config.h>";
|
|
|
|
echo "splsrcver=SPL_META_VERSION") |
|
|
|
|
cpp -I $splsrc |
|
|
|
|
grep "^splsrcver=" | cut -d \" -f 2`
|
|
|
|
fi
|
|
|
|
|
|
|
|
if test -z "$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([$splsrcver])
|
|
|
|
|
|
|
|
SPL=${splsrc}
|
|
|
|
SPL_OBJ=${splbuild}
|
|
|
|
SPL_VERSION=${splsrcver}
|
|
|
|
|
|
|
|
AC_SUBST(SPL)
|
|
|
|
AC_SUBST(SPL_OBJ)
|
|
|
|
AC_SUBST(SPL_VERSION)
|
|
|
|
|
|
|
|
ZFS_AC_SPL_MODULE_SYMVERS
|
|
|
|
])
|
|
|
|
|
|
|
|
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])])
|
|
|
|
rm -Rf build && mkdir -p build
|
|
|
|
echo "obj-m := conftest.o" >build/Makefile
|
|
|
|
AS_IF(
|
2009-07-27 17:39:28 +00:00
|
|
|
[AC_TRY_COMMAND(cp conftest.c build && make [$2] -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build) >/dev/null && AC_TRY_COMMAND([$3])],
|
2009-07-01 17:53:05 +00:00
|
|
|
[$4],
|
|
|
|
[_AC_MSG_LOG_CONFTEST m4_ifvaln([$5],[$5])]
|
|
|
|
)
|
|
|
|
rm -Rf build
|
|
|
|
])
|
|
|
|
|
|
|
|
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_OBJ/Module*.symvers $SPL_OBJ/Module*.symvers 2>/dev/null
|
|
|
|
rc=$?
|
|
|
|
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
|
2008-12-05 17:46:11 +00:00
|
|
|
])
|