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Rewrite OS detection code properly

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This commit is contained in:
Axel Isouard 2017-02-06 20:10:33 +01:00
parent 9743793fdb
commit dfaeab6dfa
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GPG key ID: 4E64BB3EAAF31C29
1 changed files with 21 additions and 2 deletions
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23
CMakeModules/TargetOsAndCpu.cmake
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@ -1,5 +1,26 @@
include(CheckSymbolExists)
#
# Target OS
set(TARGET_OS "" CACHE STRING "Target OS, used as --target_os argument")
set(TARGET_OS_LIST android chromeos ios linux nacl mac win)
if (TARGET_OS STREQUAL "")
if (CMAKE_SYSTEM_NAME MATCHES "Linux")
set(TARGET_OS "linux")
elseif (CMAKE_SYSTEM_NAME MATCHES "Darwin")
set(TARGET_OS "mac")
elseif (CMAKE_SYSTEM_NAME MATCHES "Windows")
set(TARGET_OS "win")
endif ()
endif (TARGET_OS STREQUAL "")
if (NOT ${TARGET_OS} IN_LIST TARGET_OS_LIST)
message(FATAL_ERROR "Unknown value '${TARGET_OS}' for variable TARGET_OS, options are: ${TARGET_OS_LIST}")
endif (NOT ${TARGET_OS} IN_LIST TARGET_OS_LIST)
#
# Target CPU
function(detect_current_arch)
if (WIN32)
check_symbol_exists("_M_X64" "" ARCH_X64)
@ -18,8 +39,6 @@ function(detect_current_arch)
endif (WIN32)
endfunction(detect_current_arch)
#
# Target CPU
set(TARGET_CPU "" CACHE STRING "Target CPU, used as --target_cpu argument")
set(TARGET_CPU_LIST x86 x64 arm arm64 mipsel)