[jsonrpc-glib] build: check for version-script support from linker

[Christian Hergert <chergert src gnome org>]

commit 72581978ff89d2e437308aacbb4fad966937e441
Author: Christian Hergert <chergert redhat com>
Date:   Sun Sep 3 14:51:58 2017 -0700

    build: check for version-script support from linker

 meson.build     |    6 ++++++
 src/meson.build |    6 +++++-
 2 files changed, 11 insertions(+), 1 deletions(-)
---
diff --git a/meson.build b/meson.build
index c90bea3..df49fb0 100644
--- a/meson.build
+++ b/meson.build
@@ -82,6 +82,12 @@ add_project_arguments(
   language: 'c'
 )
 
+# Check if we can use version scripts for ABI exports
+ld_supports_version_script = cc.links('''
+  int main (void) { return 0; }
+''', args: '-Wl,--version-script,' + join_paths(meson.source_root(), 'src/jsonrpc-glib.map'))
+message('Linker supports --version-script: @0@'.format(ld_supports_version_script))
+
 # Setup various paths that subdirectory meson.build files need
 package_subdir = get_option('package_subdir')
 girdir = join_paths(get_option('datadir'), package_subdir, 'gir-1.0')
diff --git a/src/meson.build b/src/meson.build
index 49b1448..c8b9c2d 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -47,13 +47,17 @@ libjsonrpc_glib_sources = [
   libjsonrpc_glib_public_sources,
 ]
 
+libjsonrpc_glib_link_args = []
+if ld_supports_version_script
+libjsonrpc_glib_link_args += ['-Wl,--version-script,' + join_paths(meson.current_source_dir(), 
'jsonrpc-glib.map')]
+endif
 
 libjsonrpc_glib = library(
   'jsonrpc_glib-' + apiversion,
   libjsonrpc_glib_sources,
 
   link_depends: 'jsonrpc-glib.map',
-     link_args: [ '-Wl,--version-script,' + join_paths(meson.current_source_dir(), 'jsonrpc-glib.map') ],
+     link_args: libjsonrpc_glib_link_args,
   dependencies: libjsonrpc_glib_deps,
      soversion: soversion,
        version: libversion,