build: Use the appropriate linker flags

We need to check if the linker flags we use are available, depending on
the platform, and we need to ensure that the shared library is
versioned appropriately.

1 files changed, 17 insertions, 0 deletions

diff --git a/meson.build b/meson.build
index 34ba0fb59c..da5505ef27 100644
--- a/meson.build
+++ b/meson.build
@@ -68,6 +68,8 @@ gtk_binary_version = '4.0.0'
 
 gtk_binary_age = 100 * gtk_minor_version + gtk_micro_version
 
+gtk_soversion = '0.@0@.@1@'.format(gtk_binary_age - gtk_interface_age, gtk_interface_age)
+
 gtk_api_version = '4.0'
 
 x11_enabled      = get_option('enable-x11-backend')
@@ -272,6 +274,21 @@ if get_option('default_library') != 'static'
   endif
 endif
 
+common_ldflags = []
+
+if host_machine.system() == 'linux'
+  foreach ldflag: [ '-Wl,-Bsymbolic', '-Wl,-z,relro', '-Wl,-z,now', ]
+    if cc.has_argument(ldflag)
+      common_ldflags += [ ldflag ]
+    endif
+  endforeach
+endif
+
+# Maintain compatibility with autotools
+if host_machine.system() == 'darwin'
+  common_ldflags += [ '-compatibility_version=1', '-current_version=1.0', ]
+endif
+
 confinc = include_directories('.')
 gdkinc = include_directories('gdk')
 gtkinc = include_directories('gtk')