Allow external builds to use non-gnu compilers

JerryScript-DCO-1.0-Signed-off-by: François Baldassari francois@pebble.com

Author: François Baldassari

CMakeLists.txt

@@ -20,7 +20,7 @@ project (Jerry C ASM)
  string(TOUPPER "${PLATFORM}" PLATFORM)
 
 # Compiler configuration
- if(NOT ("${PLATFORM}" STREQUAL "DARWIN"))
+ if(NOT (("${PLATFORM}" STREQUAL "DARWIN") OR ("${PLATFORM}" STREQUAL "EXTERNAL")))
   if(NOT CMAKE_COMPILER_IS_GNUCC)
    message(FATAL_ERROR "gcc compiler is required")
   endif()

build/configs/toolchain_external.cmake

@@ -17,4 +17,4 @@ include(CMakeForceCompiler)
 set(CMAKE_SYSTEM_NAME EXTERNAL)
 set(CMAKE_SYSTEM_PROCESSOR "${EXTERNAL_CMAKE_SYSTEM_PROCESSOR}")
 
-CMAKE_FORCE_C_COMPILER(${EXTERNAL_CMAKE_C_COMPILER} GNU)
+CMAKE_FORCE_C_COMPILER(${EXTERNAL_CMAKE_C_COMPILER} ${EXTERNAL_CMAKE_C_COMPILER_ID})

targets/esp8266/Makefile.esp8266

@@ -64,6 +64,7 @@ jerry:
 	 -DCMAKE_TOOLCHAIN_FILE=build/configs/toolchain_external.cmake \
 	 -DEXTERNAL_CMAKE_SYSTEM_PROCESSOR=xtensia-lx106 \
 	 -DEXTERNAL_CMAKE_C_COMPILER=xtensa-lx106-elf-gcc \
+	 -DEXTERNAL_CMAKE_C_COMPILER_ID=GNU \
 	 -DEXTERNAL_BUILD_ENTRY_FILE="$(JERRY_BUILD_FILES)" \
 	 -DEXTERNAL_COMPILE_FLAGS="$(ESP_CFLAGS)" \
 	 -DEXTERNAL_LIBC_INTERFACE="$(ESP_INC)" \

targets/mbedk64f/Makefile.mbedk64f

@@ -44,6 +44,7 @@ jerry:
 	 -DUSE_COMPILER_DEFAULT_LIBC=YES \
 	 -DEXTERNAL_CMAKE_SYSTEM_PROCESSOR=arm7-m \
 	 -DEXTERNAL_CMAKE_C_COMPILER=arm-none-eabi-gcc \
+	 -DEXTERNAL_CMAKE_C_COMPILER_ID=GNU \
 	 -DEXTERNAL_COMPILE_FLAGS="$(EXT_CFLAGS)" \
 	 -DEXTERNAL_MEM_HEAP_SIZE_KB=$(JERRYHEAP)
 

targets/nuttx-stm32f4/Makefile.nuttx

@@ -42,6 +42,7 @@ all:
 	 -DCMAKE_TOOLCHAIN_FILE=build/configs/toolchain_external.cmake \
 	 -DEXTERNAL_CMAKE_SYSTEM_PROCESSOR=armv7l-hf \
 	 -DEXTERNAL_CMAKE_C_COMPILER=arm-none-eabi-gcc \
+	 -DEXTERNAL_CMAKE_C_COMPILER_ID=GNU \
 	 -DEXTERNAL_BUILD_ENTRY_FILE=./targets/nuttx-stm32f4/main-nuttx.c \
 	 -DEXTERNAL_COMPILE_FLAGS="$(EXT_CFLAGS)" \
 	 -DEXTERNAL_LIBC_INTERFACE=$(NUTTXINC) \