[PULL 39/55] glusterfs: convert to meson

[Paolo Bonzini <pbonzini@redhat.com>]

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 configure         | 102 ++--------------------------------------------
 meson.build       |  48 ++++++++++++++++++++--
 meson_options.txt |   2 +
 3 files changed, 50 insertions(+), 102 deletions(-)

diff --git a/configure b/configure
index bb6b8eefdb..b7644cfbd9 100755
--- a/configure
+++ b/configure
@@ -414,13 +414,7 @@ crypto_afalg="no"
 cfi="false"
 cfi_debug="false"
 seccomp="$default_feature"
-glusterfs="$default_feature"
-glusterfs_xlator_opt="no"
-glusterfs_discard="no"
-glusterfs_fallocate="no"
-glusterfs_zerofill="no"
-glusterfs_ftruncate_has_stat="no"
-glusterfs_iocb_has_stat="no"
+glusterfs="auto"
 gtk="$default_feature"
 gtk_gl="no"
 tls_priority="NORMAL"
@@ -1365,7 +1359,7 @@ for opt do
   ;;
   --disable-seccomp) seccomp="no"
   ;;
-  --disable-glusterfs) glusterfs="no"
+  --disable-glusterfs) glusterfs="disabled"
   ;;
   --disable-avx2) avx2_opt="no"
   ;;
@@ -1376,7 +1370,7 @@ for opt do
   --enable-avx512f) avx512f_opt="yes"
   ;;
 
-  --enable-glusterfs) glusterfs="yes"
+  --enable-glusterfs) glusterfs="enabled"
   ;;
   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
@@ -3869,64 +3863,6 @@ if test "$libxml2" != "no" ; then
     fi
 fi
 
-##########################################
-# glusterfs probe
-if test "$glusterfs" != "no" ; then
-  if $pkg_config --atleast-version=3 glusterfs-api; then
-    glusterfs="yes"
-    glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
-    glusterfs_libs=$($pkg_config --libs glusterfs-api)
-    if $pkg_config --atleast-version=4 glusterfs-api; then
-      glusterfs_xlator_opt="yes"
-    fi
-    if $pkg_config --atleast-version=5 glusterfs-api; then
-      glusterfs_discard="yes"
-    fi
-    if $pkg_config --atleast-version=6 glusterfs-api; then
-      glusterfs_fallocate="yes"
-      glusterfs_zerofill="yes"
-    fi
-    cat > $TMPC << EOF
-#include <glusterfs/api/glfs.h>
-
-int
-main(void)
-{
-	/* new glfs_ftruncate() passes two additional args */
-	return glfs_ftruncate(NULL, 0, NULL, NULL);
-}
-EOF
-    if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
-      glusterfs_ftruncate_has_stat="yes"
-    fi
-    cat > $TMPC << EOF
-#include <glusterfs/api/glfs.h>
-
-/* new glfs_io_cbk() passes two additional glfs_stat structs */
-static void
-glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
-{}
-
-int
-main(void)
-{
-	glfs_io_cbk iocb = &glusterfs_iocb;
-	iocb(NULL, 0 , NULL, NULL, NULL);
-	return 0;
-}
-EOF
-    if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
-      glusterfs_iocb_has_stat="yes"
-    fi
-  else
-    if test "$glusterfs" = "yes" ; then
-      feature_not_found "GlusterFS backend support" \
-          "Install glusterfs-api devel >= 3"
-    fi
-    glusterfs="no"
-  fi
-fi
-
 # Check for inotify functions when we are building linux-user
 # emulator.  This is done because older glibc versions don't
 # have syscall stubs for these implemented.  In that case we
@@ -6413,36 +6349,6 @@ if test "$getauxval" = "yes" ; then
   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
 fi
 
-if test "$glusterfs" = "yes" ; then
-  echo "CONFIG_GLUSTERFS=y" >> $config_host_mak
-  echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
-  echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
-fi
-
-if test "$glusterfs_xlator_opt" = "yes" ; then
-  echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
-fi
-
-if test "$glusterfs_discard" = "yes" ; then
-  echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
-fi
-
-if test "$glusterfs_fallocate" = "yes" ; then
-  echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
-fi
-
-if test "$glusterfs_zerofill" = "yes" ; then
-  echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
-fi
-
-if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
-  echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
-fi
-
-if test "$glusterfs_iocb_has_stat" = "yes" ; then
-  echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
-fi
-
 if test "$libssh" = "yes" ; then
   echo "CONFIG_LIBSSH=y" >> $config_host_mak
   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
@@ -6917,7 +6823,7 @@ NINJA=$ninja $meson setup \
         -Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg -Dvnc_png=$vnc_png \
         -Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f -Dvirtiofsd=$virtiofsd \
         -Dcapstone=$capstone -Dslirp=$slirp -Dfdt=$fdt -Dbrlapi=$brlapi \
-        -Dcurl=$curl \
+        -Dcurl=$curl -Dglusterfs=$glusterfs \
         -Diconv=$iconv -Dcurses=$curses -Dlibudev=$libudev\
         -Ddocs=$docs -Dsphinx_build=$sphinx_build -Dinstall_blobs=$blobs \
         -Dvhost_user_blk_server=$vhost_user_blk_server \
diff --git a/meson.build b/meson.build
index 1d5b00aef1..db52ac6bdf 100644
--- a/meson.build
+++ b/meson.build
@@ -613,9 +613,40 @@ if 'CONFIG_RBD' in config_host
   rbd = declare_dependency(link_args: config_host['RBD_LIBS'].split())
 endif
 glusterfs = not_found
-if 'CONFIG_GLUSTERFS' in config_host
-  glusterfs = declare_dependency(compile_args: config_host['GLUSTERFS_CFLAGS'].split(),
-                                 link_args: config_host['GLUSTERFS_LIBS'].split())
+glusterfs_ftruncate_has_stat = false
+glusterfs_iocb_has_stat = false
+if not get_option('glusterfs').auto() or have_block
+  glusterfs = dependency('glusterfs-api', version: '>=3',
+                         required: get_option('glusterfs'),
+                         method: 'pkg-config', static: enable_static)
+  if glusterfs.found()
+    glusterfs_ftruncate_has_stat = cc.links('''
+      #include <glusterfs/api/glfs.h>
+
+      int
+      main(void)
+      {
+          /* new glfs_ftruncate() passes two additional args */
+          return glfs_ftruncate(NULL, 0, NULL, NULL);
+      }
+    ''', dependencies: glusterfs)
+    glusterfs_iocb_has_stat = cc.links('''
+      #include <glusterfs/api/glfs.h>
+
+      /* new glfs_io_cbk() passes two additional glfs_stat structs */
+      static void
+      glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
+      {}
+
+      int
+      main(void)
+      {
+          glfs_io_cbk iocb = &glusterfs_iocb;
+          iocb(NULL, 0 , NULL, NULL, NULL);
+          return 0;
+      }
+    ''', dependencies: glusterfs)
+  endif
 endif
 libssh = not_found
 if 'CONFIG_LIBSSH' in config_host
@@ -876,6 +907,15 @@ config_host_data.set('CONFIG_MPATH', mpathpersist.found())
 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
 config_host_data.set('CONFIG_CURL', curl.found())
 config_host_data.set('CONFIG_CURSES', curses.found())
+config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
+if glusterfs.found()
+  config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
+  config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
+  config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
+  config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
+  config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
+  config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
+endif
 config_host_data.set('CONFIG_SDL', sdl.found())
 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
@@ -2253,7 +2293,7 @@ summary_info += {'coroutine pool':    config_host['CONFIG_COROUTINE_POOL'] == '1
 summary_info += {'debug stack usage': config_host.has_key('CONFIG_DEBUG_STACK_USAGE')}
 summary_info += {'mutex debugging':   config_host.has_key('CONFIG_DEBUG_MUTEX')}
 summary_info += {'crypto afalg':      config_host.has_key('CONFIG_AF_ALG')}
-summary_info += {'GlusterFS support': config_host.has_key('CONFIG_GLUSTERFS')}
+summary_info += {'GlusterFS support': glusterfs.found()}
 summary_info += {'gcov':              get_option('b_coverage')}
 summary_info += {'TPM support':       config_host.has_key('CONFIG_TPM')}
 summary_info += {'libssh support':    config_host.has_key('CONFIG_LIBSSH')}
diff --git a/meson_options.txt b/meson_options.txt
index 2b845ac62b..b5d84bb88b 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -46,6 +46,8 @@ option('cocoa', type : 'feature', value : 'auto',
        description: 'Cocoa user interface (macOS only)')
 option('curl', type : 'feature', value : 'auto',
        description: 'CURL block device driver')
+option('glusterfs', type : 'feature', value : 'auto',
+       description: 'Glusterfs block device driver')
 option('mpath', type : 'feature', value : 'auto',
        description: 'Multipath persistent reservation passthrough')
 option('iconv', type : 'feature', value : 'auto',
-- 
2.29.2