Meson build: fix versioning on macOS

tschoonj · kjellahl · commit b867a8fc7993 · 2020-09-28T15:39:19.000+02:00
See pull request #65
diff --git a/meson.build b/meson.build
@@ -31,6 +31,7 @@ sigcxx_libversion = '@0@.@1@.@2@'.format(
   libtool_soversion[0] - libtool_soversion[2],
   libtool_soversion[2],
   libtool_soversion[1])
+darwin_versions = [libtool_soversion[0] + 1, '@0@.@1@'.format(libtool_soversion[0] + 1, libtool_soversion[1])]
 
 # Use these instead of meson.source_root() and meson.build_root() in subdirectories.
 # source_root() and build_root() are not useful, if this is a subproject.
diff --git a/sigc++/meson.build b/sigc++/meson.build
@@ -1,7 +1,7 @@
 # sigc++
 
 # Input: sigcxx_build_dep, sigcxx_pcname, sigcxx_libversion, sigcxx_api_version,
-#        install_includedir, sig_rc
+#        darwin_versions, install_includedir, sig_rc
 # Output: source_h_files, sigcxx_dep
 
 # There are no built source files in libsigc++-3.0.
@@ -89,6 +89,7 @@ sigcxx_library = library('sigc-' + sigcxx_api_version,
   source_cc_files,
   extra_sigc_objects,
   version: sigcxx_libversion,
+  darwin_versions: darwin_versions,
   include_directories: extra_include_dirs,
   cpp_args: extra_sigc_cppflags,
   dependencies: sigcxx_build_dep,
