build: Add a linker version script

Life without -export-symbols-regex, the only useful libtool feature :(

I checked with abidiff to ensure this actually worked.

Fixes #103

2 files changed, 13 insertions, 0 deletions

diff --git a/libgnome-desktop/meson.build b/libgnome-desktop/meson.build
index c365b448..8503215f 100644
--- a/libgnome-desktop/meson.build
+++ b/libgnome-desktop/meson.build
@@ -82,12 +82,19 @@ gnome_desktop_deps = [
   seccomp_dep
 ]
 
+ldflags = []
+symbol_map = '-Wl,--version-script=@0@'.format(meson.current_source_dir() / 'symbol.map')
+if cc.has_link_argument(symbol_map)
+  ldflags += symbol_map
+endif
+
 libgnome_desktop = library('gnome-desktop-3',
   libgnome_desktop_sources,
   dependencies: [gnome_desktop_deps, m_dep, rt_dep, x_dep],
   soversion: soversion,
   version: libversion,
   c_args: libargs,
+  link_args: ldflags,
   install: true
 )
 
diff --git a/libgnome-desktop/symbol.map b/libgnome-desktop/symbol.map
new file mode 100644
index 00000000..671c1560
--- /dev/null
+++ b/libgnome-desktop/symbol.map
@@ -0,0 +1,6 @@
+{
+global:
+  gnome_*;
+local:
+  *;
+};