Add target architecture detection in cmake and pass -msse3 to the compiler for x86_64 targets.
See: https://github.com/petroules/solar-cmake/blob/master/TargetArch.cmake Also added some C flags, though likely they were implicitly passed to the compiler already.
This commit is contained in:
parent
488c31c57e
commit
04690b947c
2 changed files with 152 additions and 2 deletions
|
@ -1,14 +1,30 @@
|
|||
cmake_minimum_required(VERSION 2.8)
|
||||
project(CloonelJump CXX)
|
||||
|
||||
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/include")
|
||||
|
||||
include(TargetArch)
|
||||
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wall -Wextra -pedantic -Wconversion")
|
||||
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -std=c++11 -Wall -Wextra -pedantic -Wconversion -DWITH_DEBUG_VISUALS")
|
||||
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -std=c++11 -Wall -Wextra -pedantic -Wconversion")
|
||||
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -std=c++11 -Wall -Wextra -pedantic -Wconversion -DWITH_DEBUG_VISUALS -O0")
|
||||
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -std=c++11 -Wall -Wextra -pedantic -Wconversion -O3")
|
||||
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -g -O0")
|
||||
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O3")
|
||||
|
||||
target_architecture(TARGET_ARCH)
|
||||
message (STATUS "Target architecture: ${TARGET_ARCH}")
|
||||
|
||||
option(WITH_BUILTIN_PHYSFS "Force using the version of PhysFS accompanying the code even if a system library is available" OFF)
|
||||
option(FORCE_OPENGLES "Try to chose the openGL ES renderer if available. Enable this on Raspberry Pi" OFF)
|
||||
option(RASPBERRY_PI "Compile for Raspberry Pi" OFF)
|
||||
|
||||
if (TARGET_ARCH MATCHES "^x86_64$")
|
||||
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -msse3")
|
||||
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -msse3")
|
||||
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -msse3")
|
||||
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -msse3")
|
||||
endif (TARGET_ARCH MATCHES "^x86_64$")
|
||||
|
||||
if (FORCE_OPENGLES OR RASPBERRY_PI)
|
||||
add_definitions(-DFORCE_OPENGLES)
|
||||
if (RASPBERRY_PI)
|
||||
|
|
134
cmake/include/TargetArch.cmake
Normal file
134
cmake/include/TargetArch.cmake
Normal file
|
@ -0,0 +1,134 @@
|
|||
# Based on the Qt 5 processor detection code, so should be very accurate
|
||||
# https://qt.gitorious.org/qt/qtbase/blobs/master/src/corelib/global/qprocessordetection.h
|
||||
# Currently handles arm (v5, v6, v7), x86 (32/64), ia64, and ppc (32/64)
|
||||
|
||||
# Regarding POWER/PowerPC, just as is noted in the Qt source,
|
||||
# "There are many more known variants/revisions that we do not handle/detect."
|
||||
|
||||
set(archdetect_c_code "
|
||||
#if defined(__arm__) || defined(__TARGET_ARCH_ARM)
|
||||
#if defined(__ARM_ARCH_7__) \\
|
||||
|| defined(__ARM_ARCH_7A__) \\
|
||||
|| defined(__ARM_ARCH_7R__) \\
|
||||
|| defined(__ARM_ARCH_7M__) \\
|
||||
|| (defined(__TARGET_ARCH_ARM) && __TARGET_ARCH_ARM-0 >= 7)
|
||||
#error cmake_ARCH armv7
|
||||
#elif defined(__ARM_ARCH_6__) \\
|
||||
|| defined(__ARM_ARCH_6J__) \\
|
||||
|| defined(__ARM_ARCH_6T2__) \\
|
||||
|| defined(__ARM_ARCH_6Z__) \\
|
||||
|| defined(__ARM_ARCH_6K__) \\
|
||||
|| defined(__ARM_ARCH_6ZK__) \\
|
||||
|| defined(__ARM_ARCH_6M__) \\
|
||||
|| (defined(__TARGET_ARCH_ARM) && __TARGET_ARCH_ARM-0 >= 6)
|
||||
#error cmake_ARCH armv6
|
||||
#elif defined(__ARM_ARCH_5TEJ__) \\
|
||||
|| (defined(__TARGET_ARCH_ARM) && __TARGET_ARCH_ARM-0 >= 5)
|
||||
#error cmake_ARCH armv5
|
||||
#else
|
||||
#error cmake_ARCH arm
|
||||
#endif
|
||||
#elif defined(__i386) || defined(__i386__) || defined(_M_IX86)
|
||||
#error cmake_ARCH i386
|
||||
#elif defined(__x86_64) || defined(__x86_64__) || defined(__amd64) || defined(_M_X64)
|
||||
#error cmake_ARCH x86_64
|
||||
#elif defined(__ia64) || defined(__ia64__) || defined(_M_IA64)
|
||||
#error cmake_ARCH ia64
|
||||
#elif defined(__ppc__) || defined(__ppc) || defined(__powerpc__) \\
|
||||
|| defined(_ARCH_COM) || defined(_ARCH_PWR) || defined(_ARCH_PPC) \\
|
||||
|| defined(_M_MPPC) || defined(_M_PPC)
|
||||
#if defined(__ppc64__) || defined(__powerpc64__) || defined(__64BIT__)
|
||||
#error cmake_ARCH ppc64
|
||||
#else
|
||||
#error cmake_ARCH ppc
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#error cmake_ARCH unknown
|
||||
")
|
||||
|
||||
# Set ppc_support to TRUE before including this file or ppc and ppc64
|
||||
# will be treated as invalid architectures since they are no longer supported by Apple
|
||||
|
||||
function(target_architecture output_var)
|
||||
if(APPLE AND CMAKE_OSX_ARCHITECTURES)
|
||||
# On OS X we use CMAKE_OSX_ARCHITECTURES *if* it was set
|
||||
# First let's normalize the order of the values
|
||||
|
||||
# Note that it's not possible to compile PowerPC applications if you are using
|
||||
# the OS X SDK version 10.6 or later - you'll need 10.4/10.5 for that, so we
|
||||
# disable it by default
|
||||
# See this page for more information:
|
||||
# http://stackoverflow.com/questions/5333490/how-can-we-restore-ppc-ppc64-as-well-as-full-10-4-10-5-sdk-support-to-xcode-4
|
||||
|
||||
# Architecture defaults to i386 or ppc on OS X 10.5 and earlier, depending on the CPU type detected at runtime.
|
||||
# On OS X 10.6+ the default is x86_64 if the CPU supports it, i386 otherwise.
|
||||
|
||||
foreach(osx_arch ${CMAKE_OSX_ARCHITECTURES})
|
||||
if("${osx_arch}" STREQUAL "ppc" AND ppc_support)
|
||||
set(osx_arch_ppc TRUE)
|
||||
elseif("${osx_arch}" STREQUAL "i386")
|
||||
set(osx_arch_i386 TRUE)
|
||||
elseif("${osx_arch}" STREQUAL "x86_64")
|
||||
set(osx_arch_x86_64 TRUE)
|
||||
elseif("${osx_arch}" STREQUAL "ppc64" AND ppc_support)
|
||||
set(osx_arch_ppc64 TRUE)
|
||||
else()
|
||||
message(FATAL_ERROR "Invalid OS X arch name: ${osx_arch}")
|
||||
endif()
|
||||
endforeach()
|
||||
|
||||
# Now add all the architectures in our normalized order
|
||||
if(osx_arch_ppc)
|
||||
list(APPEND ARCH ppc)
|
||||
endif()
|
||||
|
||||
if(osx_arch_i386)
|
||||
list(APPEND ARCH i386)
|
||||
endif()
|
||||
|
||||
if(osx_arch_x86_64)
|
||||
list(APPEND ARCH x86_64)
|
||||
endif()
|
||||
|
||||
if(osx_arch_ppc64)
|
||||
list(APPEND ARCH ppc64)
|
||||
endif()
|
||||
else()
|
||||
file(WRITE "${CMAKE_BINARY_DIR}/arch.c" "${archdetect_c_code}")
|
||||
|
||||
enable_language(C)
|
||||
|
||||
# Detect the architecture in a rather creative way...
|
||||
# This compiles a small C program which is a series of ifdefs that selects a
|
||||
# particular #error preprocessor directive whose message string contains the
|
||||
# target architecture. The program will always fail to compile (both because
|
||||
# file is not a valid C program, and obviously because of the presence of the
|
||||
# #error preprocessor directives... but by exploiting the preprocessor in this
|
||||
# way, we can detect the correct target architecture even when cross-compiling,
|
||||
# since the program itself never needs to be run (only the compiler/preprocessor)
|
||||
try_run(
|
||||
run_result_unused
|
||||
compile_result_unused
|
||||
"${CMAKE_BINARY_DIR}"
|
||||
"${CMAKE_BINARY_DIR}/arch.c"
|
||||
COMPILE_OUTPUT_VARIABLE ARCH
|
||||
CMAKE_FLAGS CMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES}
|
||||
)
|
||||
|
||||
# Parse the architecture name from the compiler output
|
||||
string(REGEX MATCH "cmake_ARCH ([a-zA-Z0-9_]+)" ARCH "${ARCH}")
|
||||
|
||||
# Get rid of the value marker leaving just the architecture name
|
||||
string(REPLACE "cmake_ARCH " "" ARCH "${ARCH}")
|
||||
|
||||
# If we are compiling with an unknown architecture this variable should
|
||||
# already be set to "unknown" but in the case that it's empty (i.e. due
|
||||
# to a typo in the code), then set it to unknown
|
||||
if (NOT ARCH)
|
||||
set(ARCH unknown)
|
||||
endif()
|
||||
endif()
|
||||
|
||||
set(${output_var} "${ARCH}" PARENT_SCOPE)
|
||||
endfunction()
|
Loading…
Reference in a new issue