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-rw-r--r--cmake/Modules/BuiltinTests.cmake23
-rw-r--r--cmake/builtin-config-ix.cmake10
2 files changed, 30 insertions, 3 deletions
diff --git a/cmake/Modules/BuiltinTests.cmake b/cmake/Modules/BuiltinTests.cmake
index 1b03e94acf12..a229145d9b91 100644
--- a/cmake/Modules/BuiltinTests.cmake
+++ b/cmake/Modules/BuiltinTests.cmake
@@ -2,11 +2,15 @@
# This function takes an OS and a list of architectures and identifies the
# subset of the architectures list that the installed toolchain can target.
function(try_compile_only output)
+ cmake_parse_arguments(ARG "" "" "SOURCE;FLAGS" ${ARGN})
+ if(NOT ARG_SOURCE)
+ set(ARG_SOURCE "int foo(int x, int y) { return x + y; }\n")
+ endif()
set(SIMPLE_C ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/src.c)
- file(WRITE ${SIMPLE_C} "int foo(int x, int y) { return x + y; }\n")
+ file(WRITE ${SIMPLE_C} "${ARG_SOURCE}\n")
string(REGEX MATCHALL "<[A-Za-z0-9_]*>" substitutions
${CMAKE_C_COMPILE_OBJECT})
- string(REPLACE ";" " " extra_flags "${ARGN}")
+ string(REPLACE ";" " " extra_flags "${ARG_FLAGS}")
set(test_compile_command "${CMAKE_C_COMPILE_OBJECT}")
foreach(substitution ${substitutions})
@@ -51,7 +55,20 @@ endfunction()
function(builtin_check_c_compiler_flag flag output)
if(NOT DEFINED ${output})
message(STATUS "Performing Test ${output}")
- try_compile_only(result ${flag})
+ try_compile_only(result FLAGS ${flag})
+ set(${output} ${result} CACHE INTERNAL "Compiler supports ${flag}")
+ if(${result})
+ message(STATUS "Performing Test ${output} - Success")
+ else()
+ message(STATUS "Performing Test ${output} - Failed")
+ endif()
+ endif()
+endfunction()
+
+function(builtin_check_c_compiler_source output source)
+ if(NOT DEFINED ${output})
+ message(STATUS "Performing Test ${output}")
+ try_compile_only(result SOURCE ${source})
set(${output} ${result} CACHE INTERNAL "Compiler supports ${flag}")
if(${result})
message(STATUS "Performing Test ${output} - Success")
diff --git a/cmake/builtin-config-ix.cmake b/cmake/builtin-config-ix.cmake
index 432b1fadb177..83466d81bd2f 100644
--- a/cmake/builtin-config-ix.cmake
+++ b/cmake/builtin-config-ix.cmake
@@ -1,4 +1,5 @@
include(BuiltinTests)
+include(CheckCSourceCompiles)
# Make all the tests only check the compiler
set(TEST_COMPILE_ONLY On)
@@ -14,6 +15,15 @@ builtin_check_c_compiler_flag(-mfloat-abi=soft COMPILER_RT_HAS_FLOAT_ABI_SO
builtin_check_c_compiler_flag(-mfloat-abi=hard COMPILER_RT_HAS_FLOAT_ABI_HARD_FLAG)
builtin_check_c_compiler_flag(-static COMPILER_RT_HAS_STATIC_FLAG)
+builtin_check_c_compiler_source(COMPILER_RT_SUPPORTS_ATOMIC_KEYWORD
+"
+int foo(int x, int y) {
+ _Atomic int result = x * y;
+ return result;
+}
+")
+
+
set(ARM64 aarch64)
set(ARM32 arm armhf)
set(X86 i386 i686)