Statically link libortools.a into binding binary

Author: daniel-j-h

binding.gyp

@@ -27,10 +27,12 @@
             'product_dir': '<(module_path)',
             'dependencies': [ 'action_before_build' ],
             'link_settings': {
-                'libraries': ['-lortools'],
-                'library_dirs': [
-                  '<(module_root_dir)/mason_packages/.link/lib'
-                ]
+                'libraries': [
+                  '<(module_root_dir)/mason_packages/.link/lib/libortools.a',
+                  '<(module_root_dir)/mason_packages/.link/lib/libprotobuf.a',
+                  '<(module_root_dir)/mason_packages/.link/lib/libgflags.a',
+                  '-lz',
+                ],
             },
             'sources': [
                 'src/main.cc',
@@ -42,7 +44,6 @@
             ],
             'conditions': [
                 ['OS == "linux"', {
-                    'ldflags': ['-Wl,-z,origin -Wl,-rpath=\$$ORIGIN'],
                     'cflags': [
                         '<@(system_includes)'
                     ]

common.gypi

@@ -5,7 +5,11 @@
       '-std=c++14',
       '-Wall',
       '-Wextra',
-      '-D_GLIBCXX_USE_CXX11_ABI=0'
+      '-ffunction-sections -fdata-sections',
+      '-D_GLIBCXX_USE_CXX11_ABI=0',
+    ],
+    'ldflags': [
+      '-Wl,--gc-sections'
     ],
     'cflags_cc!': ['-std=gnu++0x','-fno-rtti', '-fno-exceptions'],
     'configurations': {

scripts/install-deps.sh

@@ -5,7 +5,7 @@ set -o pipefail
 
 # Point to or-tools upstream mason package commit until we have a
 # new mason release. See https://github.com/mapbox/mason/pull/426
-MASON_RELEASE="0465138"
+MASON_RELEASE="ca9b4cb"
 SPARSEHASH_RELEASE="2.0.2"
 ORTOOLS_RELEASE="6.0"
 PROTOBUF_RELEASE="3.0.0"
@@ -28,8 +28,7 @@ fi
 ./third_party/mason/mason install or-tools ${ORTOOLS_RELEASE}
 ./third_party/mason/mason link or-tools ${ORTOOLS_RELEASE}
 
-mkdir -p ./build/Release/
-cp ./mason_packages/.link/lib/libortools.* ./build/Release/
 
-mkdir -p ./lib/binding/
-cp ./mason_packages/.link/lib/libortools.* ./lib/binding/
+# We ship debug binaries with mason but for production builds we just strip debug symbols out.
+# In case you need debug symbols just comment out the following line and `npm --build-from-source`.
+find mason_packages/ -type f -name 'libortools.*' -exec strip --strip-unneeded {} \;