dynamically inject JSC_VERSION to cmake to avoid manually updating each version

Author: DanielZlotin

README.md

@@ -24,6 +24,7 @@ This project is based on [facebook/android-jsc](https://github.com/facebook/andr
 
 1. Clone this repo
 2. `npm run clean` will clean everything (artifacts, downloaded sources)
+3. Update the version in package.json. The version will be printed by JSC lib as soon as it loads.
 3. Update the config section under `package.json` to the desired build configuration
 4. Update patches if needed (don't forget to update the `printVersion` patch in jsc.patch)
 5. `npm run download`: downloads all needed sources

patches/jsc.patch

@@ -279,16 +279,17 @@ diff -aur target-org/webkit/Source/JavaScriptCore/API/JSBase.cpp target/webkit/S
 +extern "C" int __android_log_print(int prio, const char *tag, const char *fmt, ...);
 +__attribute__((constructor))
 +void printVersion() {
-+    __android_log_print(3, "JavaScriptCore.Version", "%s", "225067.0.0");
++    __android_log_print(3, "JavaScriptCore.Version", "%s", JSC_VERSION);
 +}
 diff -aur target-org/webkit/Source/JavaScriptCore/CMakeLists.txt target/webkit/Source/JavaScriptCore/CMakeLists.txt
 --- target-org/webkit/Source/JavaScriptCore/CMakeLists.txt	2017-10-16 15:19:26.000000000 +0300
 +++ target/webkit/Source/JavaScriptCore/CMakeLists.txt	2018-10-09 14:44:23.000000000 +0300
-@@ -1073,6 +1073,7 @@
+@@ -1073,6 +1073,8 @@
      WTF${DEBUG_SUFFIX}
      ${ICU_I18N_LIBRARIES}
      ${LLVM_LIBRARIES}
 +    log
  )
- 
++add_definitions(-DJSC_VERSION="${JSC_VERSION}")
+
  set(JavaScriptCore_SCRIPTS_SOURCES_DIR "${JAVASCRIPTCORE_DIR}/Scripts")

scripts/compile/jsc.sh

@@ -66,6 +66,7 @@ $TARGETDIR/webkit/Tools/Scripts/build-webkit \
   -DCMAKE_EXE_LINKER_FLAGS='${CMAKE_MODULE_LINKER_FLAGS} $CMAKE_LD_FLAGS' \
   -DENABLE_API_TESTS=0 \
   -DCMAKE_VERBOSE_MAKEFILE=on \
+  -DJSC_VERSION=\"${JSC_VERSION}\" \
   "
 
 cp $TARGETDIR/webkit/WebKitBuild/Release/lib/libjsc.so $INSTALL_DIR

scripts/start.sh

@@ -4,6 +4,7 @@ export ANDROID_API=21
 export ROOTDIR=$PWD
 export TARGETDIR=$ROOTDIR/build/target
 source $ROOTDIR/scripts/info.sh
+export JSC_VERSION=${npm_package_version}
 
 patchAndMakeICU() {
   printf "\n\n\t\t===================== patch and make icu into target/icu/host =====================\n\n"