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@ -92,6 +92,14 @@ endif()
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enable_language(C ASM)
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enable_language(C ASM)
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# Require C11/C++11 and disable extensions for all targets
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set(CMAKE_C_STANDARD 11)
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set(CMAKE_C_STANDARD_REQUIRED ON)
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set(CMAKE_C_EXTENSIONS OFF)
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set(CMAKE_CXX_STANDARD 11)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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set(CMAKE_CXX_EXTENSIONS OFF)
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function (die msg)
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function (die msg)
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if (NOT WIN32)
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if (NOT WIN32)
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string(ASCII 27 Esc)
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string(ASCII 27 Esc)
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@ -560,7 +568,7 @@ if (CMAKE_SYSTEM_NAME MATCHES "(SunOS|Solaris)")
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endif ()
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endif ()
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if (APPLE AND NOT IOS)
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if (APPLE AND NOT IOS)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=default -std=c++11")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=default")
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if (NOT OPENSSL_ROOT_DIR)
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if (NOT OPENSSL_ROOT_DIR)
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EXECUTE_PROCESS(COMMAND brew --prefix openssl
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EXECUTE_PROCESS(COMMAND brew --prefix openssl
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OUTPUT_VARIABLE OPENSSL_ROOT_DIR
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OUTPUT_VARIABLE OPENSSL_ROOT_DIR
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@ -608,8 +616,6 @@ if (NOT (MSVC OR ARCH))
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set_default_arch()
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set_default_arch()
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endif()
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endif()
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CHECK_C_COMPILER_FLAG(-std=c11 HAVE_C11)
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option(COVERAGE "Enable profiling for test coverage report" OFF)
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option(COVERAGE "Enable profiling for test coverage report" OFF)
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if(COVERAGE)
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if(COVERAGE)
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message(STATUS "Building with profiling for test coverage report")
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message(STATUS "Building with profiling for test coverage report")
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@ -782,14 +788,14 @@ else()
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endif()
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endif()
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set(C_WARNINGS "-Waggregate-return -Wnested-externs -Wold-style-definition -Wstrict-prototypes")
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set(C_WARNINGS "-Waggregate-return -Wnested-externs -Wold-style-definition -Wstrict-prototypes")
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set(CXX_WARNINGS "-Wno-reorder -Wno-missing-field-initializers")
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set(CXX_WARNINGS "-Wno-reorder -Wno-missing-field-initializers")
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try_compile(STATIC_ASSERT_RES "${CMAKE_CURRENT_BINARY_DIR}/static-assert" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-static-assert.c" COMPILE_DEFINITIONS "-std=c11")
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try_compile(STATIC_ASSERT_RES "${CMAKE_CURRENT_BINARY_DIR}/static-assert" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-static-assert.c" CMAKE_FLAGS -DCMAKE_CXX_STANDARD=11)
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if(STATIC_ASSERT_RES)
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if(STATIC_ASSERT_RES)
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set(STATIC_ASSERT_FLAG "")
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set(STATIC_ASSERT_FLAG "")
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else()
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else()
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set(STATIC_ASSERT_FLAG "-Dstatic_assert=_Static_assert")
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set(STATIC_ASSERT_FLAG "-Dstatic_assert=_Static_assert")
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endif()
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endif()
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try_compile(STATIC_ASSERT_CPP_RES "${CMAKE_CURRENT_BINARY_DIR}/static-assert" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-static-assert.cpp" COMPILE_DEFINITIONS "-std=c++11")
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try_compile(STATIC_ASSERT_CPP_RES "${CMAKE_CURRENT_BINARY_DIR}/static-assert" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-static-assert.cpp" CMAKE_FLAGS -DCMAKE_CXX_STANDARD=11)
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if(STATIC_ASSERT_CPP_RES)
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if(STATIC_ASSERT_CPP_RES)
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set(STATIC_ASSERT_CPP_FLAG "")
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set(STATIC_ASSERT_CPP_FLAG "")
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else()
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else()
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@ -885,8 +891,8 @@ else()
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message(STATUS "Using C++ security hardening flags: ${CXX_SECURITY_FLAGS}")
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message(STATUS "Using C++ security hardening flags: ${CXX_SECURITY_FLAGS}")
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message(STATUS "Using linker security hardening flags: ${LD_SECURITY_FLAGS}")
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message(STATUS "Using linker security hardening flags: ${LD_SECURITY_FLAGS}")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c11 -D_GNU_SOURCE ${MINGW_FLAG} ${STATIC_ASSERT_FLAG} ${WARNINGS} ${C_WARNINGS} ${PIC_FLAG} ${C_SECURITY_FLAGS}")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_GNU_SOURCE ${MINGW_FLAG} ${STATIC_ASSERT_FLAG} ${WARNINGS} ${C_WARNINGS} ${PIC_FLAG} ${C_SECURITY_FLAGS}")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -D_GNU_SOURCE ${MINGW_FLAG} ${STATIC_ASSERT_CPP_FLAG} ${WARNINGS} ${CXX_WARNINGS} ${PIC_FLAG} ${CXX_SECURITY_FLAGS}")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_GNU_SOURCE ${MINGW_FLAG} ${STATIC_ASSERT_CPP_FLAG} ${WARNINGS} ${CXX_WARNINGS} ${PIC_FLAG} ${CXX_SECURITY_FLAGS}")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${LD_SECURITY_FLAGS} ${LD_BACKCOMPAT_FLAGS}")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${LD_SECURITY_FLAGS} ${LD_BACKCOMPAT_FLAGS}")
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# With GCC 6.1.1 the compiled binary malfunctions due to aliasing. Until that
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# With GCC 6.1.1 the compiled binary malfunctions due to aliasing. Until that
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