[libvirt PATCH 079/351] meson: add yajl build dependency

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Signed-off-by: Pavel Hrdina <phrdina@xxxxxxxxxx>
---
 configure.ac      |  3 ---
 m4/virt-yajl.m4   | 42 ------------------------------------------
 meson.build       | 25 +++++++++++++++++++++++++
 meson_options.txt |  1 +
 4 files changed, 26 insertions(+), 45 deletions(-)
 delete mode 100644 m4/virt-yajl.m4

diff --git a/configure.ac b/configure.ac
index 1a1a855cba6..7c872bbfe6c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -109,11 +109,9 @@ fi
 
 LIBVIRT_ARG_NSS
 LIBVIRT_ARG_PM_UTILS
-LIBVIRT_ARG_YAJL
 
 LIBVIRT_CHECK_NWFILTER
 LIBVIRT_CHECK_PM_UTILS
-LIBVIRT_CHECK_YAJL
 
 
 
@@ -392,7 +390,6 @@ LIBVIRT_RESULT_LIBXL
 LIBVIRT_RESULT_NSS
 LIBVIRT_RESULT_PM_UTILS
 LIBVIRT_RESULT_RBD
-LIBVIRT_RESULT_YAJL
 AC_MSG_NOTICE([])
 AC_MSG_NOTICE([Windows])
 AC_MSG_NOTICE([])
diff --git a/m4/virt-yajl.m4 b/m4/virt-yajl.m4
deleted file mode 100644
index b602abd0a7c..00000000000
--- a/m4/virt-yajl.m4
+++ /dev/null
@@ -1,42 +0,0 @@
-dnl The libyajl.so library
-dnl
-dnl Copyright (C) 2012-2013 Red Hat, Inc.
-dnl
-dnl This library is free software; you can redistribute it and/or
-dnl modify it under the terms of the GNU Lesser General Public
-dnl License as published by the Free Software Foundation; either
-dnl version 2.1 of the License, or (at your option) any later version.
-dnl
-dnl This library is distributed in the hope that it will be useful,
-dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
-dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-dnl Lesser General Public License for more details.
-dnl
-dnl You should have received a copy of the GNU Lesser General Public
-dnl License along with this library.  If not, see
-dnl <http://www.gnu.org/licenses/>.
-dnl
-
-AC_DEFUN([LIBVIRT_ARG_YAJL],[
-  LIBVIRT_ARG_WITH_FEATURE([YAJL], [yajl], [check])
-])
-
-AC_DEFUN([LIBVIRT_CHECK_YAJL],[
-  dnl YAJL JSON library http://lloyd.github.com/yajl/
-
-  PKG_CHECK_EXISTS([yajl], [use_pkgconfig=1], [use_pkgconfig=0])
-
-  if test $use_pkgconfig = 1; then
-    dnl 2.0.3 was the version where the pkg-config file was first added
-    LIBVIRT_CHECK_PKG([YAJL], [yajl], [2.0.3])
-  else
-    dnl SLES 12 and openSUSE Leap 42.3 still use 2.0.1
-    dnl TODO: delete this in July 2020
-    LIBVIRT_CHECK_LIB([YAJL], [yajl],
-                      [yajl_tree_parse], [yajl/yajl_common.h])
-  fi
-])
-
-AC_DEFUN([LIBVIRT_RESULT_YAJL],[
-  LIBVIRT_RESULT_LIB([YAJL])
-])
diff --git a/meson.build b/meson.build
index 948ca4d93ab..13062279c0a 100644
--- a/meson.build
+++ b/meson.build
@@ -1454,6 +1454,30 @@ else
   xdr_dep = declare_dependency()
 endif
 
+yajl_version = '2.0.3'
+if not get_option('yajl').disabled()
+  yajl_dep = dependency('yajl', version: '>=' + yajl_version, required: false)
+  # 2.0.3 was the version where the pkg-config file was first added
+  # SLES 12 and openSUSE Leap 42.3 still use 2.0.1
+  # TODO: delete this in July 2020
+  if not yajl_dep.found()
+    yajl_dep = cc.find_library('yajl', required: get_option('yajl'))
+    if yajl_dep.found()
+      has_func = cc.has_function('yajl_tree_parse', dependencies: yajl_dep, prefix: '#include <yajl/yajl_common.h>')
+      if not has_func and get_option('yajl').enabled()
+        error('yajl >= @0@ was not found'.format(yajl_version))
+      elif not has_func
+        yajl_dep = dependency('', required: false)
+      endif
+    endif
+  endif
+else
+  yajl_dep = dependency('', required: false)
+endif
+if yajl_dep.found()
+  conf.set('WITH_YAJL', 1)
+endif
+
 
 # generic build dependencies checks
 
@@ -1570,6 +1594,7 @@ libs_summary = {
   'udev': udev_dep.found(),
   'virtualport': conf.has('WITH_VIRTUALPORT'),
   'xdr': xdr_dep.found(),
+  'yajl': yajl_dep.found(),
 }
 summary(libs_summary, section: 'Libraries', bool_yn: true)
 
diff --git a/meson_options.txt b/meson_options.txt
index 25aa81621f9..a0615fcfdc1 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -43,3 +43,4 @@ option('udev', type: 'feature', value: 'auto', description: 'udev support')
 option('virtualport', type: 'feature', value: 'auto', description: 'enable virtual port support')
 option('wireshark_dissector', type: 'feature', value: 'auto', description: 'wireshark support')
 option('wireshark_plugindir', type: 'string', value: '', description: 'wireshark plugins directory for use when installing wireshark plugin')
+option('yajl', type: 'feature', value: 'auto', description: 'yajl support')
-- 
2.26.2




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