diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 2761b32f7..9f15c73dc 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -330,6 +330,7 @@ if(MSVC) endif() include_directories(SYSTEM src/platform/msc) else() + include(TestCXXAcceptsFlag) set(ARCH native CACHE STRING "CPU to build for: -march value or 'default' to not pass -march at all") message(STATUS "Building on ${CMAKE_SYSTEM_PROCESSOR} for ${ARCH}") if(ARCH STREQUAL "default") @@ -391,15 +392,32 @@ else() message(STATUS "AES support enabled") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -maes") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -maes") - elseif(ARM) #NB ARMv8 DOES support AES, but not yet coded - message(STATUS "AES support disabled (not available on ARM)") + elseif(ARM6) + message(STATUS "AES support not available on ARMv6") + elseif(ARM7) + message(STATUS "AES support not available on ARMv7") + elseif(ARM8) + CHECK_CXX_ACCEPTS_FLAG("-march=${ARCH}+crypto" ARCH_PLUS_CRYPTO) + if(ARCH_PLUS_CRYPTO) + message(STATUS "Crypto extensions enabled for ARMv8") + set(ARCH_FLAG "-march=${ARCH}+crypto") + else() + message(STATUS "Crypto extensions unavailable on your ARMv8 device") + endif() else() message(STATUS "AES support disabled") endif() + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c11 -D_GNU_SOURCE ${MINGW_FLAG} ${STATIC_ASSERT_FLAG} ${WARNINGS} ${C_WARNINGS} ${ARCH_FLAG} ${COVERAGE_FLAGS}") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -D_GNU_SOURCE ${MINGW_FLAG} ${WARNINGS} ${CXX_WARNINGS} ${ARCH_FLAG} ${COVERAGE_FLAGS}") + + # With GCC 6.1.1 the compiled binary malfunctions due to aliasing. Until that + # is fixed in the code (Issue #847), force compiler to be conservative. + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-strict-aliasing") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-strict-aliasing") + if(ARM) message(STATUS "Setting FPU Flags for ARM Processors") - include(TestCXXAcceptsFlag) #NB NEON hardware does not fully implement the IEEE 754 standard for floating-point arithmetic #Need custom assembly code to take full advantage of NEON SIMD @@ -407,7 +425,7 @@ else() #Cortex-A5/9 -mfpu=neon-fp16 #Cortex-A7/15 -mfpu=neon-vfpv4 #Cortex-A8 -mfpu=neon - #ARMv8 -FP and SIMD on by default for all ARM8v-a series, NO -mfpu setting needed + #ARMv8 -FP and SIMD on by default for all ARM8v-A series, NO -mfpu setting needed #For custom -mtune, processor IDs for ARMv8-A series: #0xd04 - Cortex-A35 |