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CMake: create DumpMachine function for machine targeting (#471) 

Also fixes/resolves MinGW build (Issue 466)
pull/474/head
0x914409F1 2017-08-26 09:07:21 +00:00 committed by Jeffrey Walton
parent a403c32cf2
commit a6f24d663e
1 changed files with 21 additions and 59 deletions
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80
CMakeLists.txt
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@ -99,72 +99,34 @@ endif()
###############################################################################
# Begin JW hack
# Begin JW + anonimal hack
# Attempt to determine the machine the compiler is targeting.
# TODO(unassigned): should we avoid these (for cross-platform compatability)?
set(SHELL_CMD sh)
set(SHELL_ARGS -c)
set(GREP_CMD egrep)
set(GREP_ARGS -i -c)
execute_process(COMMAND ${SHELL_CMD} ${SHELL_ARGS} "${CMAKE_CXX_COMPILER} -dumpmachine 2>&1"
COMMAND ${GREP_CMD} ${GREP_ARGS} "amd64"
OUTPUT_VARIABLE CRYPTOPP_AMD64
OUTPUT_STRIP_TRAILING_WHITESPACE)
function(DumpMachine output pattern)
execute_process(
COMMAND ${SHELL_CMD} ${SHELL_ARGS} "${CMAKE_CXX_COMPILER} -dumpmachine 2>&1"
COMMAND grep -i -c "${pattern}" # grep cmd intentionally not set/expanded, see http://github.com/weidai11/cryptopp/issues/466
OUTPUT_VARIABLE ${output}
OUTPUT_STRIP_TRAILING_WHITESPACE)
set(${output} "${${output}}" PARENT_SCOPE)
endfunction(DumpMachine)
execute_process(COMMAND ${SHELL_CMD} ${SHELL_ARGS} "${CMAKE_CXX_COMPILER} -dumpmachine 2>&1"
COMMAND ${GREP_CMD} ${GREP_ARGS} "x86_64"
OUTPUT_VARIABLE CRYPTOPP_X86_64
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND ${SHELL_CMD} ${SHELL_ARGS} "${CMAKE_CXX_COMPILER} -dumpmachine 2>&1"
COMMAND ${GREP_CMD} ${GREP_ARGS} "i.86"
OUTPUT_VARIABLE CRYPTOPP_I386
OUTPUT_STRIP_TRAILING_WHITESPACE)
# http://github.com/weidai11/cryptopp/issues/466
execute_process(COMMAND ${SHELL_CMD} ${SHELL_ARGS} "${CMAKE_CXX_COMPILER} -dumpmachine 2>&1"
COMMAND ${GREP_CMD} ${GREP_ARGS} "mingw32"
OUTPUT_VARIABLE CRYPTOPP_MINGW32
OUTPUT_STRIP_TRAILING_WHITESPACE)
# http://github.com/weidai11/cryptopp/issues/466
execute_process(COMMAND ${SHELL_CMD} ${SHELL_ARGS} "${CMAKE_CXX_COMPILER} -dumpmachine 2>&1"
COMMAND ${GREP_CMD} ${GREP_ARGS} "w64-mingw32"
OUTPUT_VARIABLE CRYPTOPP_MINGW64
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND ${SHELL_CMD} ${SHELL_ARGS} "${CMAKE_CXX_COMPILER} -dumpmachine 2>&1"
COMMAND ${GREP_CMD} ${GREP_ARGS} "x32"
OUTPUT_VARIABLE CRYPTOPP_X32
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND ${SHELL_CMD} ${SHELL_ARGS} "${CMAKE_CXX_COMPILER} -dumpmachine 2>&1"
COMMAND ${GREP_CMD} ${GREP_ARGS} "Aarch32"
OUTPUT_VARIABLE CRYPTOPP_AARCH32
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND ${SHELL_CMD} ${SHELL_ARGS} "${CMAKE_CXX_COMPILER} -dumpmachine 2>&1"
COMMAND ${GREP_CMD} ${GREP_ARGS} "Aarch64"
OUTPUT_VARIABLE CRYPTOPP_AARCH64
OUTPUT_STRIP_TRAILING_WHITESPACE)
# http://stackoverflow.com/q/12515462/608639
execute_process(COMMAND ${SHELL_CMD} ${SHELL_ARGS} "${CMAKE_CXX_COMPILER} -dumpmachine 2>&1"
COMMAND ${GREP_CMD} ${GREP_ARGS} "\\<ARM\\>"
OUTPUT_VARIABLE CRYPTOPP_ARM
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND ${SHELL_CMD} ${SHELL_ARGS} "${CMAKE_CXX_COMPILER} -dumpmachine 2>&1"
COMMAND ${GREP_CMD} ${GREP_ARGS} "ARMHF"
OUTPUT_VARIABLE CRYPTOPP_ARMHF
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND ${SHELL_CMD} ${SHELL_ARGS} "${CMAKE_CXX_COMPILER} -dumpmachine 2>&1"
COMMAND ${GREP_CMD} ${GREP_ARGS} "ARM7L"
OUTPUT_VARIABLE CRYPTOPP_ARM7L
OUTPUT_STRIP_TRAILING_WHITESPACE)
DumpMachine(CRYPTOPP_AMD64 "amd64")
DumpMachine(CRYPTOPP_X86_64 "x86_64")
DumpMachine(CRYPTOPP_I386 "i.86")
DumpMachine(CRYPTOPP_MINGW32 "mingw32") # http://github.com/weidai11/cryptopp/issues/466
DumpMachine(CRYPTOPP_MINGW64 "w64-mingw32") # http://github.com/weidai11/cryptopp/issues/466
DumpMachine(CRYPTOPP_X32 "x32")
DumpMachine(CRYPTOPP_AARCH32 "Aarch32")
DumpMachine(CRYPTOPP_AARCH64 "Aarch64")
DumpMachine(CRYPTOPP_ARM "\\<ARM\\>") # http://stackoverflow.com/q/12515462/608639
DumpMachine(CRYPTOPP_ARMHF "ARMHF")
DumpMachine(CRYPTOPP_ARM7L "ARM7L")
# Fixup?
if ("${CRYPTOPP_MINGW64}" STREQUAL "1")