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CMake: Fix per target disabling of compiler flags

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The compiler flag detection was working incorrectly.
This commit is contained in:
Max Bruckner 2017-03-16 00:22:53 +01:00
parent c597601cf1
commit 76e5296d0d
2 changed files with 13 additions and 10 deletions
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15
CMakeLists.txt
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@ -1,8 +1,6 @@
set(CMAKE_LEGACY_CYGWIN_WIN32 0)
cmake_minimum_required(VERSION 2.8)
subdirs(tests fuzzing)
include(GNUInstallDirs)
project(cJSON C)
@ -78,10 +76,13 @@ foreach(compiler_flag ${custom_compiler_flags})
CHECK_C_COMPILER_FLAG(${compiler_flag} "FLAG_SUPPORTED_${current_variable}")
if (FLAG_SUPPORTED_${current_variable})
list(APPEND supported_compiler_flags)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${compiler_flag}")
endif()
endforeach()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${supported_compiler_flags}")
#variables for pkg-config
set(prefix "${CMAKE_INSTALL_PREFIX}")
set(libdir "${CMAKE_INSTALL_LIBDIR}")
@ -168,9 +169,9 @@ if(ENABLE_CJSON_TEST)
target_link_libraries("${TEST_CJSON}" "${CJSON_LIB}")
add_test(NAME ${TEST_CJSON} COMMAND "${CMAKE_CURRENT_BINARY_DIR}/${TEST_CJSON}")
# Disable -fsanitize=float-divide-by-zero for cJSON_test
list(FIND custom_compiler_flags "-fsanitize=float-divide-by-zero" float_divide_by_zero_found)
if (float_divide_by_zero_found)
if (FLAG_SUPPORTED_fsanitizefloatdividebyzero)
target_compile_options(${TEST_CJSON} PRIVATE "-fno-sanitize=float-divide-by-zero")
endif()
@ -185,6 +186,8 @@ if(ENABLE_CJSON_TEST)
#"check" target that automatically builds everything and runs the tests
add_custom_target(check
COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure
DEPENDS ${unity_tests} ${TEST_CJSON} ${TEST_CJSON_UTILS})
DEPENDS ${TEST_CJSON} ${TEST_CJSON_UTILS})
endif()
add_subdirectory(tests)
add_subdirectory(fuzzing)

8
tests/CMakeLists.txt
View File

@ -2,13 +2,11 @@ if(ENABLE_CJSON_TEST)
add_library(unity unity/src/unity.c)
# Disable -Werror for Unity
list(FIND custom_compiler_flags "-Werror" werror_found)
if (werror_found)
if (FLAG_SUPPORTED_Werror)
target_compile_options(unity PRIVATE "-Wno-error")
endif()
# Disable -fvisibility=hidden for Unity
list(FIND custom_compiler_flags "-fvisibility=hidden" visibility_found)
if (visibility_found)
if (FLAG_SUPPORTED_fvisibilityhidden)
target_compile_options(unity PRIVATE "-fvisibility=default")
endif()
@ -57,4 +55,6 @@ if(ENABLE_CJSON_TEST)
COMMAND "./${unity_test}")
endif()
endforeach()
add_dependencies(check ${unity_tests})
endif()