feat(3p/nix): added meson support

(cherry picked from commit 086a81b7a5bbe1fc022efb5935ff68f6ad71ddaf)

third_party/nix/src/libmain/meson.build

@@ -0,0 +1,79 @@
+# Nix lib store build file
+#============================================================================
+
+
+
+
+# src files
+#============================================================================
+
+src_inc += include_directories('.')
+
+libmain_src = files(
+    join_paths(meson.source_root(), 'src/libmain/common-args.cc'),
+    join_paths(meson.source_root(), 'src/libmain/shared.cc'),
+    join_paths(meson.source_root(), 'src/libmain/stack.cc'))
+
+libmain_headers = files(
+    join_paths(meson.source_root(), 'src/libmain/common-args.hh'),
+    join_paths(meson.source_root(), 'src/libmain/shared.hh'))
+
+
+
+
+# dependancies
+#============================================================================
+
+libmain_dep_list = [
+    pthread_dep,
+    openssl_dep,
+    libsodium_dep]
+
+
+
+
+
+# Link args
+#============================================================================
+
+libmain_link_list = [
+    libutil_lib,
+    libstore_lib
+]
+
+libmain_link_args = []
+
+
+
+
+# compiler args
+#============================================================================
+
+libstore_cxx_args = []
+
+
+
+
+# targets
+#============================================================================
+
+
+
+
+# build
+#============================================================================
+
+libmain_lib = library(
+    'nixmain',
+    install : true,
+    install_mode : 'rwxr-xr-x',
+    install_dir : libdir,
+    include_directories : src_inc,
+    link_with : libmain_link_list,
+    sources : libmain_src,
+    link_args : libmain_link_args,
+    dependencies : libmain_dep_list)
+
+install_headers(
+    libmain_headers,
+    install_dir : join_paths(includedir, 'nix'))