[build] Add build system for submodules

Vendorize the submodules and a simple CMake build
system for all them. The dependencies will inherit
compilation options for core.

The goal is to make Mapbox GL Core completely self
contained with a simple offline build.

6 files changed, 2 insertions, 38 deletions

diff --git a/platform/android/config.cmake b/platform/android/config.cmake
index ec64b239f8..0e10e2af10 100644
--- a/platform/android/config.cmake
+++ b/platform/android/config.cmake
@@ -1,7 +1,6 @@
 set(USE_GLES2 ON)
 
 include(cmake/sqlite.cmake)
-include(cmake/icu.cmake)
 
 # Build thin archives.
 set(CMAKE_CXX_ARCHIVE_CREATE "<CMAKE_AR> cruT <TARGET> <LINK_FLAGS> <OBJECTS>")
@@ -43,13 +42,9 @@ macro(mbgl_platform_core)
         PRIVATE platform/android
     )
 
-    target_add_mason_package(mbgl-core PUBLIC geojson)
     target_add_mason_package(mbgl-core PUBLIC jni.hpp)
-    target_add_mason_package(mbgl-core PUBLIC rapidjson)
 
     target_link_libraries(mbgl-core
-        PRIVATE icu
-        PUBLIC expected
         PUBLIC -llog
         PUBLIC -landroid
         PUBLIC -ljnigraphics
diff --git a/platform/ios/config.cmake b/platform/ios/config.cmake
index 471c1183a5..320ef7e73b 100644
--- a/platform/ios/config.cmake
+++ b/platform/ios/config.cmake
@@ -12,7 +12,6 @@ macro(initialize_ios_target target)
 endmacro()
 
 
-include(cmake/icu.cmake)
 include(cmake/loop-darwin.cmake)
 initialize_ios_target(icu)
 initialize_ios_target(mbgl-loop-darwin)
@@ -61,16 +60,12 @@ macro(mbgl_platform_core)
         PRIVATE platform/default/mbgl/util/default_thread_pool.cpp
     )
 
-    target_add_mason_package(mbgl-core PUBLIC geojson)
-    target_add_mason_package(mbgl-core PUBLIC polylabel)
-
     target_include_directories(mbgl-core
         PUBLIC platform/darwin
         PUBLIC platform/default
     )
 
     target_link_libraries(mbgl-core
-        PRIVATE icu
         PUBLIC "-lz"
         PUBLIC "-framework Foundation"
         PUBLIC "-framework CoreText"
diff --git a/platform/linux/config.cmake b/platform/linux/config.cmake
index a81f5d65ad..cfbf4ef8a2 100644
--- a/platform/linux/config.cmake
+++ b/platform/linux/config.cmake
@@ -1,6 +1,4 @@
-include(cmake/nunicode.cmake)
 include(cmake/sqlite.cmake)
-include(cmake/icu.cmake)
 
 add_library(mbgl-loop-uv STATIC
     platform/default/async_task.cpp
@@ -84,7 +82,6 @@ macro(mbgl_platform_core)
 
     target_add_mason_package(mbgl-core PUBLIC libpng)
     target_add_mason_package(mbgl-core PUBLIC libjpeg-turbo)
-    target_add_mason_package(mbgl-core PUBLIC geojson)
 
     target_link_libraries(mbgl-core
         PRIVATE nunicode
diff --git a/platform/macos/config.cmake b/platform/macos/config.cmake
index 1fb09e066e..3b5b2a8529 100644
--- a/platform/macos/config.cmake
+++ b/platform/macos/config.cmake
@@ -1,6 +1,5 @@
 set(CMAKE_OSX_DEPLOYMENT_TARGET 10.11)
 
-include(cmake/icu.cmake)
 include(cmake/loop-darwin.cmake)
 
 macro(mbgl_platform_core)
@@ -54,9 +53,6 @@ macro(mbgl_platform_core)
         )
     endif()
 
-    target_add_mason_package(mbgl-core PUBLIC geojson)
-    target_add_mason_package(mbgl-core PUBLIC polylabel)
-
     target_compile_options(mbgl-core
         PRIVATE -fobjc-arc
     )
@@ -67,7 +63,6 @@ macro(mbgl_platform_core)
     )
 
     target_link_libraries(mbgl-core
-        PRIVATE icu
         PUBLIC "-lz"
         PUBLIC "-framework Foundation"
         PUBLIC "-framework CoreText"
diff --git a/platform/qt/config.cmake b/platform/qt/config.cmake
index 9f7ee24cfb..a2c6b0a9e9 100644
--- a/platform/qt/config.cmake
+++ b/platform/qt/config.cmake
@@ -1,9 +1,4 @@
 include(platform/qt/qt.cmake)
-include(cmake/nunicode.cmake)
-
-if(NOT WITH_QT_I18N)
-    include(cmake/icu.cmake)
-endif()
 
 macro(mbgl_platform_core)
     target_sources(mbgl-core
@@ -16,9 +11,9 @@ macro(mbgl_platform_core)
         PRIVATE platform/qt/include
     )
 
-    target_link_libraries(mbgl-core
+    target_link_libraries(mbgl-core PRIVATE
         ${MBGL_QT_CORE_LIBRARIES}
-        PRIVATE nunicode
+        nunicode
     )
 
     if(NOT WITH_QT_DECODERS)
@@ -39,10 +34,6 @@ macro(mbgl_platform_core)
     else()
         target_sources(mbgl-core PRIVATE platform/qt/src/bidi.cpp)
     endif()
-
-    if (CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
-        target_add_mason_package(mbgl-core PRIVATE optional)
-    endif()
 endmacro()
 
 
@@ -54,10 +45,6 @@ macro(mbgl_filesource)
     target_link_libraries(mbgl-filesource
         ${MBGL_QT_FILESOURCE_LIBRARIES}
     )
-
-    if (CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
-        target_add_mason_package(mbgl-filesource PRIVATE optional)
-    endif()
 endmacro()
 
 # FIXME: For now tests are disabled on Windows until we
@@ -86,6 +73,3 @@ if (NOT CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
         )
     endmacro()
 endif()
-
-target_add_mason_package(qmapboxgl PRIVATE geojson)
-target_add_mason_package(qmapboxgl PRIVATE rapidjson)
diff --git a/platform/qt/qt.cmake b/platform/qt/qt.cmake
index 323c616a64..4e781866e6 100644
--- a/platform/qt/qt.cmake
+++ b/platform/qt/qt.cmake
@@ -158,8 +158,6 @@ elseif (CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
     list(APPEND MBGL_QT_CORE_FILES
         PRIVATE platform/qt/src/thread.cpp
     )
-
-    target_add_mason_package(qmapboxgl PRIVATE optional)
 elseif (CMAKE_HOST_SYSTEM_NAME STREQUAL "QNX")
     list(APPEND MBGL_QT_CORE_FILES
         PRIVATE platform/qt/src/thread.cpp