2016-04-28 11:38:50 -07:00
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include(CheckFunctionExists)
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include(CheckLibraryExists)
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include(CheckCCompilerFlag)
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include(CheckIncludeFiles)
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set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
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find_package(Threads)
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set(CMAKE_REQUIRED_FLAGS "-Werror -fsanitize=undefined")
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check_c_compiler_flag("-faddress-sanitizer" HAVE_FLAG_SANITIZE_UNDEFINED)
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set(CMAKE_REQUIRED_FLAGS "-Werror -fsanitize=address")
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check_c_compiler_flag("-fsanitize=address" HAVE_FLAG_SANITIZE_ADDRESS)
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unset(CMAKE_REQUIRED_FLAGS)
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if (SANITIZER)
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if (HAVE_FLAG_SANITIZE_UNDEFINED)
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set(SANITIZE_FLAGS "${SANITIZE_FLAGS} -fsanitize=undefined")
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endif()
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if (HAVE_FLAG_SANITIZE_ADDRESS)
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set(SANITIZE_FLAGS "${SANITIZE_FLAGS} -fsanitize=address")
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endif()
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endif()
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set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} ${SANITIZE_FLAGS}")
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if (CMAKE_COMPILER_IS_GNUCXX)
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check_function_exists(__atomic_fetch_add_4 HAVE___ATOMIC_FETCH_ADD_4)
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if (NOT HAVE___ATOMIC_FETCH_ADD_4)
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check_library_exists(atomic __atomic_fetch_add_4 "" HAVE_LIBATOMIC)
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if (HAVE_LIBATOMIC)
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -latomic")
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endif()
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endif()
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endif()
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2017-08-27 10:55:16 -07:00
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check_library_exists(m pow "" HAVE_LIBM)
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if(HAVE_LIBM)
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2017-10-09 08:50:47 -07:00
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set(CMAKE_REQUIRED_LIBRARIES m)
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foreach(_FN
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atan atan2 ceil copysign cos cosf fabs floor log pow scalbn sin
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sinf sqrt sqrtf tan tanf acos asin)
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string(TOUPPER ${_FN} _UPPER)
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set(_HAVEVAR "HAVE_${_UPPER}")
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check_function_exists("${_FN}" ${_HAVEVAR})
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endforeach()
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set(CMAKE_REQUIRED_LIBRARIES)
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set(CMAKE_C_STANDARD_LIBRARIES "${CMAKE_C_STANDARD_LIBRARIES} -lm")
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2017-08-27 10:55:16 -07:00
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endif()
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#set(CMAKE_C_STANDARD_LIBRARIES "${CMAKE_C_STANDARD_LIBRARIES} ${CMAKE_DL_LIBS}")
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2016-04-28 11:38:50 -07:00
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2017-07-24 07:57:24 -07:00
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check_include_files("syslog.h" HAVE_SYSLOG_H)
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check_include_files("execinfo.h" HAVE_EXECINFO_H)
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check_include_files("sys/resource.h" HAVE_SYS_RESOURCE_H)
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2016-04-28 11:38:50 -07:00
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set(CURSES_NEED_NCURSES TRUE)
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find_package(Curses)
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if (NOT CURSES_FOUND)
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set(CURSES_LIBRARIES "")
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endif()
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set(HAVE_NCURSES_H ${CURSES_HAVE_NCURSES_H})
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check_library_exists(rt clock_gettime "time.h" HAVE_CLOCKGETTIME)
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if (HAVE_CLOCKGETTIME)
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lrt")
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set(CMAKE_C_STANDARD_LIBRARIES "${CMAKE_C_STANDARD_LIBRARIES} -lrt")
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set(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES} -lrt")
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else()
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# might also be in libc
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check_library_exists(c clock_gettime "time.h" HAVE_CLOCKGETTIME)
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endif()
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2017-12-15 12:55:15 -08:00
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if (USE_COVERAGE)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -O0 -fprofile-arcs -ftest-coverage")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -O0 -fprofile-arcs -ftest-coverage")
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endif()
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2016-04-28 11:38:50 -07:00
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# TODO: fix most of these and activate them one by one
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2016-05-03 11:18:21 -07:00
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -Wall -Wextra -Wreturn-type -Wwrite-strings -Wno-unused-parameter -fdiagnostics-color=auto")
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2016-04-28 11:38:50 -07:00
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if (CMAKE_USE_PTHREADS_INIT)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread")
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endif()
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set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -D_GNU_SOURCE -D_BSD_SOURCE -D_DEFAULT_SOURCE -D_XOPEN_SOURCE -D_FORTIFY_SOURCE=2 -DNDEBUG -fexpensive-optimizations -fomit-frame-pointer -O3")
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set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -DDEBUG -fno-omit-frame-pointer ${SANITIZE_FLAGS}")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_C_FLAGS}")
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${CMAKE_C_FLAGS_RELEASE}")
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${CMAKE_C_FLAGS_DEBUG}")
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