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Fix Cmake (Issue 273)

pull/308/head
Florian Maushart 2016-09-26 21:21:27 +02:00
parent 62ca476e9e
commit a181ec71cd
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(GNUInstallDirs)
include(TestBigEndian) include(TestBigEndian)
include(CheckCXXCompilerFlag)
#============================================================================ #============================================================================
# Settable options # Settable options
@ -112,9 +113,10 @@ if ((NOT CRYPTOPP_CROSS_COMPILE) AND (NOT (WINDOWS OR WINDOWS_STORE OR WINDOWS_P
endif() endif()
endif() endif()
# -march=native for GCC, Clang and ICC on i386 and x86_64. # -march=native for GCC, Clang and ICC in any version that does support it.
if ((NOT CRYPTOPP_CROSS_COMPILE) AND ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")) if ((NOT CRYPTOPP_CROSS_COMPILE) AND (CMAKE_CXX_COMPILER_ID MATCHES "Clang|GNU|Intel"))
if (("${UNAME_MACHINE}" MATCHES "i.86") OR ("${UNAME_MACHINE}" STREQUAL "x86_64") OR ("${UNAME_MACHINE}" STREQUAL "i86pc")) 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 "${CMAKE_CXX_FLAGS} -march=native") SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native")
endif() endif()
endif() endif()