LU-4196 build: Build support for OFED-3.5 and SLES 11

[fs/lustre-release.git] / config / lustre-build-zfs.m4

diff --git a/config/lustre-build-zfs.m4 b/config/lustre-build-zfs.m4
index 507afd8..df78230 100644 (file)
--- a/config/lustre-build-zfs.m4
+++ b/config/lustre-build-zfs.m4
@@ -18,6 +18,11 @@ dnl #                       * /usr/src/zfs-${VERSION}
 dnl #                       * ../spl/
 dnl #                       * $LINUX
 dnl #
+dnl # --with-zfs-devel=path
+dnl #                 - User provided directory where zfs development headers
+dnl #                   are located. This option is typically used when user
+dnl #                   uses rpm2cpio to unpack src rpm.
+dnl #
 dnl # --with-zfs=path - Enable zfs support and use the zfs headers in the
 dnl #                   provided path.  No autodetection is performed and
 dnl #                   if no headers are found this is a fatal error.
@@ -263,16 +268,37 @@ AC_DEFUN([LB_ZFS], [
        AC_SUBST(ZFS_SYMBOLS)
 ])
 
+AC_DEFUN([LB_ZFS_DEVEL], [
+       AC_ARG_WITH([zfs-devel],
+               [AS_HELP_STRING([--with-zfs-devel=PATH],
+               [Path to zfs development headers])],
+               [zfsdevel="$withval"])
+
+       AC_MSG_CHECKING([user provided zfs devel headers])
+       AS_IF([test ! -z "${zfsdevel}"], [
+               AS_IF([test -d "${zfsdevel}/usr/include/libspl" && test -d "${zfsdevel}/usr/include/libzfs"], [
+                       zfslib="-I $zfsdevel/usr/include/libspl -I $zfsdevel/usr/include/libzfs"
+               ], [
+                       AC_MSG_ERROR([Path to development headers directory does not exist])
+               ])
+       ])
+       AC_MSG_RESULT([$zfslib])
+])
+
 AC_DEFUN([LB_ZFS_USER], [
        dnl #
        dnl # Detect user space zfs development headers.
        dnl #
        AC_MSG_CHECKING([zfs devel headers])
-       AS_IF([test -d /usr/include/libzfs && test -d /usr/include/libspl], [
-               zfslib="-I /usr/include/libspl -I /usr/include/libzfs"
-       ], [
-               zfslib="[Not found]"
-               enable_zfs=no
+       AS_IF([test -z "${zfslib}"], [
+               AS_IF([test -e "${zfssrc}/include/libzfs.h" && test -e "${zfssrc}/lib/libspl/include"], [
+                       zfslib="-I $zfssrc/lib/libspl/include -I $zfssrc/include"
+               ], [test -d /usr/include/libzfs && test -d /usr/include/libspl], [
+                       zfslib="-I /usr/include/libspl -I /usr/include/libzfs"
+               ], [
+                       zfslib="[Not Found]"
+                       enable_zfs=no
+               ])
        ])
        AC_MSG_RESULT([$zfslib])
 
@@ -280,7 +306,7 @@ AC_DEFUN([LB_ZFS_USER], [
        AC_SUBST(ZFS_LIBZFS_INCLUDE)
 ])
 
-AC_DEFUN([LB_PATH_ZFS], [
+AC_DEFUN([LB_CONFIG_ZFS], [
        AC_ARG_WITH([zfs],
                [AS_HELP_STRING([--with-zfs=PATH], [Path to zfs source])],
                [
@@ -296,8 +322,7 @@ AC_DEFUN([LB_PATH_ZFS], [
                                zfssrc="$withval"
                        ])
                ], [
-                       AS_IF([test x$enable_server = xyes &&
-                           test x$enable_dist = xno], [
+                       AS_IF([test x$enable_server != xno], [
                                require_zfs=no
                                enable_zfs=yes
                        ], [
@@ -314,7 +339,7 @@ AC_DEFUN([LB_PATH_ZFS], [
                        LB_SPL
                        LB_ZFS
                ])
-
+               LB_ZFS_DEVEL
                LB_ZFS_USER
 
                dnl #
@@ -346,5 +371,20 @@ your distribution.
                ])
        ])
 
+       AS_IF([test x$enable_zfs = xyes], [
+               AC_MSG_CHECKING([if zfs defines dsl_pool_config_enter/exit])
+               LB_LINUX_TRY_COMPILE([
+                       #include <sys/dsl_pool.h>
+               ],[
+                       dsl_pool_config_enter(NULL, FTAG);
+               ],[
+                       AC_MSG_RESULT([yes])
+                               AC_DEFINE(HAVE_DSL_POOL_CONFIG, 1,
+                                         [Have dsl_pool_config_enter/exit in ZFS])
+               ],[
+                       AC_MSG_RESULT([no])
+               ])
+       ])
+
        AM_CONDITIONAL(ZFS_ENABLED, test x$enable_zfs = xyes)
 ])