From 2fccdecfb1ae720682276c0342e1c3902d8c9873 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Konstantin=20K=C3=A4fer?= <mail@kkaefer.com>
Date: Thu, 23 Aug 2018 12:15:09 +0200
Subject: [build] add script to generate a standalone version of Mapbox GL

---
 cmake/mason-dependencies.cmake  |  2 +-
 cmake/mason.cmake               |  4 +--
 platform/android/core-files.txt |  3 ++
 scripts/standalone.cmake        | 18 ++++++++++
 scripts/standalone.sh           | 78 +++++++++++++++++++++++++++++++++++++++++
 5 files changed, 102 insertions(+), 3 deletions(-)
 create mode 100644 scripts/standalone.cmake
 create mode 100755 scripts/standalone.sh

diff --git a/cmake/mason-dependencies.cmake b/cmake/mason-dependencies.cmake
index a143ec8ee6..3c6a535fc8 100644
--- a/cmake/mason-dependencies.cmake
+++ b/cmake/mason-dependencies.cmake
@@ -21,7 +21,7 @@ mason_use(vector-tile VERSION 1.0.2 HEADER_ONLY)
 if(MBGL_PLATFORM STREQUAL "android")
     mason_use(jni.hpp VERSION 4.0.0 HEADER_ONLY)
 elseif(MBGL_PLATFORM STREQUAL "ios")
-    mason_use(icu VERSION 58.1-min-size)
+    # noop
 elseif(MBGL_PLATFORM STREQUAL "linux")
     mason_use(glfw VERSION 2018-06-27-0be4f3f)
     mason_use(libuv VERSION 1.9.1)
diff --git a/cmake/mason.cmake b/cmake/mason.cmake
index 76d02b95b5..c0795d962c 100644
--- a/cmake/mason.cmake
+++ b/cmake/mason.cmake
@@ -208,8 +208,8 @@ endif()
 
 mason_detect_platform()
 
-# Execute commands if CMake is run in command mode
-if (CMAKE_ARGC)
+# Execute commands if CMake is run in command mode\
+if (CMAKE_ARGC AND "${CMAKE_SCRIPT_MODE_FILE}" STREQUAL "${CMAKE_CURRENT_LIST_DIR}/mason.cmake")
     # Collect remaining arguments for passing to mason_use
     set(_MASON_ARGS)
     foreach(I RANGE 4 ${CMAKE_ARGC})
diff --git a/platform/android/core-files.txt b/platform/android/core-files.txt
index cd4028cd59..4262489056 100644
--- a/platform/android/core-files.txt
+++ b/platform/android/core-files.txt
@@ -213,3 +213,6 @@ platform/android/src/java_types.hpp
 # Main entry point
 platform/android/src/jni.hpp
 platform/android/src/jni.cpp
+
+# GL
+platform/android/mbgl/gl/gl_impl.hpp
diff --git a/scripts/standalone.cmake b/scripts/standalone.cmake
new file mode 100644
index 0000000000..b8bcbfa03f
--- /dev/null
+++ b/scripts/standalone.cmake
@@ -0,0 +1,18 @@
+include(cmake/mason.cmake)
+
+# include once for every platform to get all dependency defines
+set(MBGL_PLATFORM "android")
+include(cmake/mason-dependencies.cmake)
+set(MBGL_PLATFORM "ios")
+include(cmake/mason-dependencies.cmake)
+
+get_cmake_property(_VARS VARIABLES)
+foreach (_VAR ${_VARS})
+    if (_VAR MATCHES "^MASON_PACKAGE_.+_NAME$")
+        set(_PACKAGE "${${_VAR}}")
+        if (MASON_PACKAGE_${_PACKAGE}_HEADER_ONLY)
+            file(RELATIVE_PATH _PREFIX "${CMAKE_CURRENT_LIST_DIR}/.." "${MASON_PACKAGE_${_PACKAGE}_PREFIX}")
+            message("${_PACKAGE} ${_PREFIX} ${MASON_PACKAGE_${_PACKAGE}_VERSION}")
+        endif()
+    endif()
+endforeach()
diff --git a/scripts/standalone.sh b/scripts/standalone.sh
new file mode 100755
index 0000000000..80b9ac6931
--- /dev/null
+++ b/scripts/standalone.sh
@@ -0,0 +1,78 @@
+#!/usr/bin/env bash
+
+set -e
+set -o pipefail
+
+cd "$(dirname "${BASH_SOURCE[0]}")/.."
+
+function usage {
+    echo "Usage: $0 <args> [target]"
+    echo ""
+    echo "    -c, --clean-target           Removes all files in the target directory instead of overwriting them"
+    echo "    -s, --skip [name]            Skips vendoring the given dependency"
+    exit 1
+}
+
+CLEAN_TARGET=false
+
+ARGS=()
+while [[ $# -gt 0 ]] ; do case "$1" in
+    -c|--clean-target) CLEAN_TARGET=true ; shift ;;
+    -s|--skip) shift ; DEP="$1" ; shift ; declare SKIP_$DEP=true ;;
+    *) ARGS+=("$1") ; shift ;;
+esac ; done
+set -- "${ARGS[@]}"
+
+if [ -z "$1" ]; then usage ; fi
+TARGET="$1"
+
+if [ "$CLEAN_TARGET" = true ] ; then
+    echo ">> Cleaning target directory..."
+    rm -rf "$TARGET"
+fi
+
+echo ">> Creating target directory..."
+mkdir -p "$TARGET"
+TARGET=$(cd "`pwd`/$TARGET"; pwd)
+
+echo ">> Creating file lists..."
+cat cmake/core-files.txt cmake/filesource-files.txt > "$TARGET/files.txt"
+mkdir -p "$TARGET/platform/android"
+cat platform/android/*-files.txt > "$TARGET/platform/android/files.txt"
+
+echo ">> Copying source files..."
+rsync -rR $(git ls-files \
+    "include" \
+    "src" \
+    "platform/default" \
+    "platform/android/mbgl" \
+    "platform/android/src" \
+    "platform/linux/src" \
+    "platform/android/MapboxGLAndroidSDK/src/main" \
+) "$TARGET"
+
+echo ">> Copying vendored files..."
+rsync -rR $(git ls-files \
+    "vendor/expected" \
+    "vendor/icu" \
+    "vendor/nunicode" \
+    "vendor/sqlite" \
+) "$TARGET"
+
+echo ">> Copying Mason dependencies..."
+cmake -P scripts/standalone.cmake 2>&1 | while read DEPENDENCY ; do
+    DEPENDENCY=($DEPENDENCY)
+    if [ "[Mason]" = "${DEPENDENCY[0]}" ]; then
+        echo "${DEPENDENCY[@]}"
+        continue
+    fi
+    SKIP=SKIP_${DEPENDENCY[0]}
+    if [ "${!SKIP:-false}" = true ]; then continue ; fi
+    DESTINATION="$TARGET/vendor/${DEPENDENCY[0]}"
+    mkdir -p "$DESTINATION"
+    echo "   - ${DEPENDENCY[0]}"
+    cp -r "${DEPENDENCY[1]}/" "$DESTINATION"
+    rm "$DESTINATION/mason.ini"
+    (cd "${DEPENDENCY[1]}" && find include -type f -name "*.hpp" -o -name "*.h") > "$DESTINATION/files.txt"
+    echo "${DEPENDENCY[2]}" > "$DESTINATION/version.txt"
+done
-- 
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