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Add machine and system detection using 'uname' for Linux and Unix

pull/280/head
Jeffrey Walton 2016-09-14 13:57:53 -04:00
parent ad47c0cce8
commit 4c5017428b
1 changed files with 40 additions and 8 deletions
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48
CMakeLists.txt
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@ -66,6 +66,24 @@ if(NOT CRYPTOPP_DATA_DIR STREQUAL "")
add_definitions(-DCRYPTOPP_DATA_DIR="${CRYPTOPP_DATA_DIR}")
endif()
# We need the output 'uname -s' for Unix and Linux system detection
set (UNAME_CMD "uname")
set (UNAME_ARG "-s")
execute_process(COMMAND ${UNAME_CMD} ${UNAME_ARG}
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
RESULT_VARIABLE UNAME_RESULT
OUTPUT_VARIABLE UNAME_SYSTEM)
string(REGEX REPLACE "\n$" "" UNAME_SYSTEM "${UNAME_SYSTEM}")
# We need the output 'uname -m' for Unix and Linux platform detection
set (UNAME_CMD "uname")
set (UNAME_ARG "-m")
execute_process(COMMAND ${UNAME_CMD} ${UNAME_ARG}
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
RESULT_VARIABLE UNAME_RESULT
OUTPUT_VARIABLE UNAME_MACHINE)
string(REGEX REPLACE "\n$" "" UNAME_MACHINE "${UNAME_MACHINE}")
if(WINDOWS_STORE OR WINDOWS_PHONE)
if("${CMAKE_SYSTEM_VERSION}" MATCHES "10\\.0.*")
SET( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /D\"_WIN32_WINNT=0x0A00\"" )
@ -76,14 +94,6 @@ endif()
# Enable PIC for all targets except Windows and 32-bit x86.
# Avoid on 32-bit x86 due to register pressures.
if (NOT (WINDOWS OR WINDOWS_STORE OR WINDOWS_PHONE))
set (UNAME_CMD "uname")
set (UNAME_ARG "-m")
execute_process(COMMAND ${UNAME_CMD} ${UNAME_ARG}
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
RESULT_VARIABLE UNAME_RESULT
OUTPUT_VARIABLE UNAME_MACHINE)
# Use Regex; match i386, i486, i586 and i686
if (NOT (${UNAME_MACHINE} MATCHES "i.86"))
# message(STATUS "Setting -fPIC for machine ${UNAME_MACHINE}")
@ -95,6 +105,20 @@ if (NOT (WINDOWS OR WINDOWS_STORE OR WINDOWS_PHONE))
endif()
endif()
# -march=native for GCC, Clang and ICC on i386 and x86_64.
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")
if (("${UNAME_MACHINE}" MATCHES "i.86") OR ("${UNAME_MACHINE}" STREQUAL "x86_64"))
message(STATUS, "3")
if (CMAKE_VERSION VERSION_LESS 2.8.12)
add_definitions(-march=native)
else()
add_compile_options(-march=native)
endif()
endif()
endif()
# if (())
#============================================================================
# Sources & headers
#============================================================================
@ -337,3 +361,11 @@ endif()
if(BUILD_DOCUMENTATION)
install(DIRECTORY "${out_source_DOCS_DIR}" DESTINATION ${CMAKE_INSTALL_DOCDIR})
endif()
# Print a summary
if (NOT CMAKE_VERSION VERSION_LESS 3.0.0)
include(FeatureSummary)
feature_summary(WHAT ALL
VAR cryptoppFeatures)
message(STATUS "${cryptoppFeatures}")
endif()