Differential D9928 Diff 29987 src/config/CMakeLists.txt

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src/config/CMakeLists.txt

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check_symbol_exists(bswap_16 "byteswap.h" HAVE_DECL_BSWAP_16)		check_symbol_exists(bswap_16 "byteswap.h" HAVE_DECL_BSWAP_16)
check_symbol_exists(bswap_32 "byteswap.h" HAVE_DECL_BSWAP_32)		check_symbol_exists(bswap_32 "byteswap.h" HAVE_DECL_BSWAP_32)
check_symbol_exists(bswap_64 "byteswap.h" HAVE_DECL_BSWAP_64)		check_symbol_exists(bswap_64 "byteswap.h" HAVE_DECL_BSWAP_64)

# sys/select.h and sys/prctl.h headers		# sys/select.h and sys/prctl.h headers
check_include_files("sys/select.h" HAVE_SYS_SELECT_H)		check_include_files("sys/select.h" HAVE_SYS_SELECT_H)
check_include_files("sys/prctl.h" HAVE_SYS_PRCTL_H)		check_include_files("sys/prctl.h" HAVE_SYS_PRCTL_H)

# Bitmanip intrinsics		# Built-in compiler intrinsics
function(check_builtin_exist SYMBOL VARIABLE)		function(check_builtin_exist_with_code SYMBOL VARIABLE CODE)
set(		set(
SOURCE_FILE		SOURCE_FILE
"${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckBuiltinExists.c"		"${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckBuiltinExists.c"
)		)
set(		set(
CMAKE_CONFIGURABLE_FILE_CONTENT		CMAKE_CONFIGURABLE_FILE_CONTENT
"int main(int argc, char** argv) { (void)argv; return ${SYMBOL}(argc); }\n"		"int main(int argc, char** argv) { (void)argv; return ${CODE}; }\n"
)		)
configure_file(		configure_file(
"${CMAKE_ROOT}/Modules/CMakeConfigurableFile.in"		"${CMAKE_ROOT}/Modules/CMakeConfigurableFile.in"
"${SOURCE_FILE}"		"${SOURCE_FILE}"
@ONLY		@ONLY
)		)
if(NOT CMAKE_REQUIRED_QUIET)		if(NOT CMAKE_REQUIRED_QUIET)
message(STATUS "Looking for ${SYMBOL}")		message(STATUS "Looking for ${SYMBOL}")
Show All 21 Lines	else()
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log		file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"Determining if the ${SYMBOL} "		"Determining if the ${SYMBOL} "
"exist failed with the following output:\n"		"exist failed with the following output:\n"
"${OUTPUT}\nFile ${SOURCEFILE}:\n"		"${OUTPUT}\nFile ${SOURCEFILE}:\n"
"${CMAKE_CONFIGURABLE_FILE_CONTENT}\n")		"${CMAKE_CONFIGURABLE_FILE_CONTENT}\n")
endif()		endif()
endfunction()		endfunction()

		function(check_builtin_exist SYMBOL VARIABLE)
		check_builtin_exist_with_code(
		${SYMBOL}
		${VARIABLE}
		"${SYMBOL}(argc)"
		)
		endfunction()

		# Bitmanip intrinsics
check_builtin_exist(__builtin_clz HAVE_DECL___BUILTIN_CLZ)		check_builtin_exist(__builtin_clz HAVE_DECL___BUILTIN_CLZ)
check_builtin_exist(__builtin_clzl HAVE_DECL___BUILTIN_CLZL)		check_builtin_exist(__builtin_clzl HAVE_DECL___BUILTIN_CLZL)
check_builtin_exist(__builtin_clzll HAVE_DECL___BUILTIN_CLZLL)		check_builtin_exist(__builtin_clzll HAVE_DECL___BUILTIN_CLZLL)
check_builtin_exist(__builtin_popcount HAVE_DECL___BUILTIN_POPCOUNT)		check_builtin_exist(__builtin_popcount HAVE_DECL___BUILTIN_POPCOUNT)
		# Overflow math
		check_builtin_exist_with_code(
		__builtin_saddll_overflow HAVE_DECL___BUILTIN_SADDLL_OVERFLOW
		"__builtin_saddll_overflow(argc, argc, (long long int*)&argc)")
		check_builtin_exist_with_code(
		__builtin_ssubll_overflow HAVE_DECL___BUILTIN_SSUBLL_OVERFLOW
		"__builtin_ssubll_overflow(argc, argc, (long long int*)&argc)")

# Memory management capabilities		# Memory management capabilities
check_symbol_exists(M_ARENA_MAX "malloc.h" HAVE_MALLOPT_ARENA_MAX)		check_symbol_exists(M_ARENA_MAX "malloc.h" HAVE_MALLOPT_ARENA_MAX)
check_symbol_exists(malloc_info "malloc.h" HAVE_MALLOC_INFO)		check_symbol_exists(malloc_info "malloc.h" HAVE_MALLOC_INFO)

# Various system libraries		# Various system libraries
check_symbol_exists(strnlen "string.h" HAVE_DECL_STRNLEN)		check_symbol_exists(strnlen "string.h" HAVE_DECL_STRNLEN)
# daemon() is located in unistd.h on linux and in stdlib.h on BSDs and macOS.		# daemon() is located in unistd.h on linux and in stdlib.h on BSDs and macOS.
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