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GHS: Add Compiler ID detection

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-- Detect GHS compiler and version
   Detect ARCHITECTURE_ID for PPC / ARM / 86 targets
   Detect PLATFORM_ID for Integrity and Integrity178 platforms
   Using defines specified in the documents for the compilers: 201416 PPC / 201754 ARM / 201714 86
-- Fallback C/CXX compiler ID to GHS if not otherwise detected and using GHS MULTI generator
   Works around issue with some GHS compilers not setting __ghs__ compiler define
-- Tweak Compiler ID checking so major id of 002017 is not replaced with 217
-- Prefer try_compile() library targets when testing for working GHS compilers
-- Avoid CMake errors if reading past end of file for checking if file is PE executable
This commit is contained in:
Fred Baksik
2019-01-08 23:52:12 -05:00
parent 436cc5e991
commit 72e0c115b7
17 changed files with 176 additions and 42 deletions
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2
Modules/CMakeTestCCompiler.cmake
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@@ -22,6 +22,7 @@ unset(CMAKE_C_COMPILER_WORKS CACHE)
# any makefiles or projects.
if(NOT CMAKE_C_COMPILER_WORKS)
PrintTestCompilerStatus("C" "")
__TestCompiler_setTryCompileTargetType()
file(WRITE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testCCompiler.c
"#ifdef __cplusplus\n"
"# error \"The CMAKE_C_COMPILER is set to a C++ compiler\"\n"
@@ -41,6 +42,7 @@ if(NOT CMAKE_C_COMPILER_WORKS)
set(CMAKE_C_COMPILER_WORKS ${CMAKE_C_COMPILER_WORKS})
unset(CMAKE_C_COMPILER_WORKS CACHE)
set(C_TEST_WAS_RUN 1)
__TestCompiler_restoreTryCompileTargetType()
endif()
if(NOT CMAKE_C_COMPILER_WORKS)