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Build: apply patch for GNU assembler errors to CMake 

References weidai11/cryptopp#395
pull/398/head
anonimal 2017-03-29 07:01:04 +00:00
parent c305e88127
commit a9f2518a2c
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GPG Key ID: 66A76ECF914409F1
1 changed files with 51 additions and 0 deletions
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51
CMakeLists.txt
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@ -105,6 +105,57 @@ if(NOT CRYPTOPP_DATA_DIR STREQUAL "")
add_definitions(-DCRYPTOPP_DATA_DIR="${CRYPTOPP_DATA_DIR}")
endif()
if (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
# TODO(unassigned): should we avoid these (for cross-platform compatability)?
set(SHELL_CMD sh -c)
set(GREP_CMD egrep -c)
execute_process(COMMAND ${SHELL_CMD} "${CMAKE_CXX_COMPILER} --version 2>&1"
COMMAND ${GREP_CMD} -i macports
OUTPUT_VARIABLE MACPORTS
OUTPUT_STRIP_TRAILING_WHITESPACE)
if (MACPORTS EQUAL 0)
# Get GAS version, add defs + set as appropriate
set(GAS_CMD ${SHELL_CMD} "${CMAKE_CXX_COMPILER} -xc -c /dev/null -Wa,-v -o/dev/null 2>&1")
execute_process(COMMAND ${GAS_CMD}
OUTPUT_VARIABLE GAS_STRING
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(FIND ${GAS_STRING} "GNU assumbler" GAS_OUTPUT)
if (GAS_OUTPUT)
#.intel_syntax wasn't supported until GNU assembler 2.10
# No DISABLE_NATIVE_ARCH with CRYPTOPP_DISABLE_ASM for now
# See http://github.com/weidai11/cryptopp/issues/395
# TODO(unassigned): string() REGEX was not cooperating at time of writing. Re-implement as needed.
execute_process(COMMAND echo ${GAS_STRING}
COMMAND ${GREP_CMD} "GNU assembler version (2\\.[1-9][0-9]|[3-9])"
OUTPUT_VARIABLE GAS210_OR_LATER)
if (GAS210_OR_LATER EQUAL 0)
add_definitions(-DCRYPTOPP_DISABLE_ASM)
endif()
execute_process(COMMAND echo ${GAS_STRING}
COMMAND ${GREP_CMD} "GNU assembler version (2\\.1[7-9]|2\\.[2-9]|[3-9])"
OUTPUT_VARIABLE GAS217_OR_LATER)
if (GAS217_OR_LATER EQUAL 0)
add_definitions(-DCRYPTOPP_DISABLE_SSSE3)
set(DISABLE_NATIVE_ARCH 1)
endif()
execute_process(COMMAND echo ${GAS_STRING}
COMMAND ${GREP_CMD} "GNU assembler version (2\\.19|2\\.[2-9]|[3-9])"
OUTPUT_VARIABLE GAS219_OR_LATER)
if (GAS219_OR_LATER EQUAL 0)
add_definitions(-DCRYPTOPP_DISABLE_AESNI)
set(DISABLE_NATIVE_ARCH 1)
endif()
endif()
endif()
endif()
# We need the output 'uname -s' for Unix and Linux system detection
if (NOT CRYPTOPP_CROSS_COMPILE)
set (UNAME_CMD "uname")