diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 63 |
1 files changed, 35 insertions, 28 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 6b00410c5324..7a0d300a5739 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1,5 +1,8 @@ # CMAKE_MINIMUM_REQUIRED(VERSION 2.8.12 FATAL_ERROR) +if(POLICY CMP0065) + cmake_policy(SET CMP0065 NEW) #3.4 don't use `-rdynamic` with executables +endif() if(POLICY CMP0074) cmake_policy(SET CMP0074 NEW) #3.12.0 `find_package()`` uses ``<PackageName>_ROOT`` variables. endif() @@ -96,24 +99,8 @@ endif () # Especially for early development, we want to be a little # aggressive about diagnosing build problems; this can get # relaxed somewhat in final shipping versions. -IF (CMAKE_C_COMPILER_ID MATCHES "^GNU$") - SET(CMAKE_REQUIRED_FLAGS "-Wall -Wformat -Wformat-security") - ################################################################# - # Set compile flags for all build types. - SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wformat -Wformat-security") - if (ENABLE_WERROR) - SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror") - endif () - ################################################################# - # Set compile flags for debug build. - # This is added into CMAKE_C_FLAGS when CMAKE_BUILD_TYPE is "Debug" - SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wextra") - SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wunused") - SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wshadow") - SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wmissing-prototypes") - SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wcast-qual") -ENDIF (CMAKE_C_COMPILER_ID MATCHES "^GNU$") -IF (CMAKE_C_COMPILER_ID MATCHES "^Clang$") +IF (CMAKE_C_COMPILER_ID MATCHES "^GNU$" OR + CMAKE_C_COMPILER_ID MATCHES "^Clang$") SET(CMAKE_REQUIRED_FLAGS "-Wall -Wformat -Wformat-security") ################################################################# # Set compile flags for all build types. @@ -130,7 +117,26 @@ IF (CMAKE_C_COMPILER_ID MATCHES "^Clang$") SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wshadow") SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wmissing-prototypes") SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wcast-qual") -ENDIF (CMAKE_C_COMPILER_ID MATCHES "^Clang$") + # Ideally this will be a compile/link time check, yet there's no obvious way + # how considering how old our minimum required cmake version is. The official + # cmake.org side does not host the manual pages even. Normally we can use + # either of the following two, yet neither is supported as of 3.0.2 + # - check_linker_flag - does not exist + # - try_compile - does not support linker flags + # + # The CI fails with this on MacOS + IF(NOT CMAKE_SYSTEM_NAME MATCHES "Darwin") + # Place the functions and data into separate sections, allowing the linker + # to garbage collect the unused ones. + SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ffunction-sections -fdata-sections") + SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections") + SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--gc-sections") + # Printing the discarded section is "too much", so enable on demand. + #SET(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} -Wl,--print-gc-sections") + #SET(CMAKE_SHARED_LINKER_FLAGS_DEBUG "${CMAKE_SHARED_LINKER_FLAGS_DEBUG} -Wl,--print-gc-sections") + ENDIF(NOT CMAKE_SYSTEM_NAME MATCHES "Darwin") +ENDIF (CMAKE_C_COMPILER_ID MATCHES "^GNU$" OR + CMAKE_C_COMPILER_ID MATCHES "^Clang$") IF (CMAKE_C_COMPILER_ID MATCHES "^XL$") SET(CMAKE_C_COMPILER "xlc_r") SET(CMAKE_REQUIRED_FLAGS "-qflag=e:e -qformat=sec") @@ -618,7 +624,8 @@ IF(ZSTD_FOUND) CMAKE_PUSH_CHECK_STATE() SET(CMAKE_REQUIRED_LIBRARIES ${ZSTD_LIBRARY}) SET(CMAKE_REQUIRED_INCLUDES ${ZSTD_INCLUDE_DIR}) - CHECK_FUNCTION_EXISTS(ZSTD_compressStream HAVE_LIBZSTD) + CHECK_FUNCTION_EXISTS(ZSTD_decompressStream HAVE_LIBZSTD) + CHECK_FUNCTION_EXISTS(ZSTD_compressStream HAVE_LIBZSTD_COMPRESSOR) # # TODO: test for static library. # @@ -1548,15 +1555,15 @@ CHECK_STRUCT_HAS_MEMBER("struct tm" tm_sec # Check for integer types # # -CHECK_TYPE_SIZE("short" SIZE_OF_SHORT) -CHECK_TYPE_SIZE("int" SIZE_OF_INT) -CHECK_TYPE_SIZE("long" SIZE_OF_LONG) -CHECK_TYPE_SIZE("long long" SIZE_OF_LONG_LONG) +CHECK_TYPE_SIZE("short" SIZEOF_SHORT) +CHECK_TYPE_SIZE("int" SIZEOF_INT) +CHECK_TYPE_SIZE("long" SIZEOF_LONG) +CHECK_TYPE_SIZE("long long" SIZEOF_LONG_LONG) -CHECK_TYPE_SIZE("unsigned short" SIZE_OF_UNSIGNED_SHORT) -CHECK_TYPE_SIZE("unsigned" SIZE_OF_UNSIGNED) -CHECK_TYPE_SIZE("unsigned long" SIZE_OF_UNSIGNED_LONG) -CHECK_TYPE_SIZE("unsigned long long" SIZE_OF_UNSIGNED_LONG_LONG) +CHECK_TYPE_SIZE("unsigned short" SIZEOF_UNSIGNED_SHORT) +CHECK_TYPE_SIZE("unsigned" SIZEOF_UNSIGNED) +CHECK_TYPE_SIZE("unsigned long" SIZEOF_UNSIGNED_LONG) +CHECK_TYPE_SIZE("unsigned long long" SIZEOF_UNSIGNED_LONG_LONG) CHECK_TYPE_SIZE("__int64" __INT64) CHECK_TYPE_SIZE("unsigned __int64" UNSIGNED___INT64) |