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# define system dependent compiler flags
include(CheckCCompilerFlag)
set (COMPILER_IS_CLANG FALSE)
if (${CMAKE_C_COMPILER_ID} MATCHES "Clang")
set (COMPILER_IS_CLANG TRUE)
endif (${CMAKE_C_COMPILER_ID} MATCHES "Clang")
if (CGREEN_WITH_XML)
add_definitions(-DHAVE_XML_REPORTER=1)
endif (CGREEN_WITH_XML)
if (CGREEN_WITH_LIBXML2)
add_definitions(-DHAVE_LIBXML2_REPORTER=1)
endif (CGREEN_WITH_LIBXML2)
if (UNIX)
if (CMAKE_COMPILER_IS_GNUCC OR COMPILER_IS_CLANG)
# add_compile_options(-Wall -Wextra -Wunused) # only since CMake 2.8.12, so...
add_definitions(-Wall -Wextra -Wunused)
if (CGREEN_WITH_LIBXML2)
# libxml2 headers depend on ICU library for Unicode support,
# but ICU headers do not even compile with C++ 98.
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
else ()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++98")
endif (CGREEN_WITH_LIBXML2)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Weffc++")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99 -Wstrict-prototypes")
if (CGREEN_INTERNAL_WITH_GCOV)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ftest-coverage -fprofile-arcs")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ftest-coverage -fprofile-arcs")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_C_FLAGS} -ftest-coverage -fprofile-arcs")
endif (CGREEN_INTERNAL_WITH_GCOV)
add_definitions(-D_REENTRANT) # for gmtime_r()
if (NOT ${CMAKE_SYSTEM_NAME} MATCHES ".*OpenBSD.*")
add_definitions(-D_XOPEN_SOURCE) # for popen() and pclose()
add_definitions(-D_XOPEN_SOURCE_EXTENDED) # for strdup(), which isn't part of C99
endif()
add_definitions(-D__STDC_FORMAT_MACROS) # for PRI*PTR format macros, required by C99
if (NOT CYGWIN)
# with -fPIC
check_c_compiler_flag("-fPIC" WITH_FPIC)
if (WITH_FPIC)
# add_compile_options(-fPIC) # Only since CMake 2.8.12, so...
add_definitions(-fPIC)
endif (WITH_FPIC)
endif (NOT CYGWIN)
check_c_compiler_flag("-D_FORTIFY_SOURCE=2" WITH_FORTIFY_SOURCE)
if (WITH_FORTIFY_SOURCE)
add_definitions(-D_FORTIFY_SOURCE=2)
endif (WITH_FORTIFY_SOURCE)
if (NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
add_definitions(-O)
endif ()
endif (CMAKE_COMPILER_IS_GNUCC OR COMPILER_IS_CLANG)
endif (UNIX)
if (WIN32)
if (MSVC)
add_definitions(-D_CRT_SECURE_NO_WARNINGS=1)
endif (MSVC)
endif (WIN32)
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