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Merge pull request #308 from FloriansGit/cmake

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Fix Cmake (Issue 273)
This commit is contained in:
Jeffrey Walton 2016-09-26 21:12:25 -04:00 committed by GitHub
commit d03938b7ee
1 changed files with 5 additions and 3 deletions
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8
CMakeLists.txt
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@ -14,6 +14,7 @@ set(cryptopp_VERSION_PATCH 5)
include(GNUInstallDirs)
include(TestBigEndian)
include(CheckCXXCompilerFlag)
#============================================================================
# Settable options
@ -112,9 +113,10 @@ if ((NOT CRYPTOPP_CROSS_COMPILE) AND (NOT (WINDOWS OR WINDOWS_STORE OR WINDOWS_P
endif()
endif()
# -march=native for GCC, Clang and ICC on i386 and x86_64.
if ((NOT CRYPTOPP_CROSS_COMPILE) AND ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel"))
if (("${UNAME_MACHINE}" MATCHES "i.86") OR ("${UNAME_MACHINE}" STREQUAL "x86_64") OR ("${UNAME_MACHINE}" STREQUAL "i86pc"))
# -march=native for GCC, Clang and ICC in any version that does support it.
if ((NOT CRYPTOPP_CROSS_COMPILE) AND (CMAKE_CXX_COMPILER_ID MATCHES "Clang|GNU|Intel"))
CHECK_CXX_COMPILER_FLAG("-march=native" COMPILER_OPT_ARCH_NATIVE_SUPPORTED)
if (COMPILER_OPT_ARCH_NATIVE_SUPPORTED AND NOT CMAKE_CXX_FLAGS MATCHES "-march=")
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native")
endif()
endif()