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cmake: improve NEON build

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This commit is contained in:
zdenop 2023-03-27 19:20:11 +02:00
parent 691de2b945
commit 426ed87c97
1 changed files with 7 additions and 8 deletions
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15
CMakeLists.txt
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@ -245,8 +245,6 @@ elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "arm64|aarch64.*|AARCH64.*")
set(HAVE_AVX512F FALSE)
set(HAVE_FMA FALSE)
set(HAVE_SSE4_1 FALSE)
add_definitions("-DHAVE_NEON")
set(HAVE_NEON TRUE)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "arm.*")
@ -256,12 +254,7 @@ elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "arm.*")
set(HAVE_AVX512F FALSE)
set(HAVE_FMA FALSE)
set(HAVE_SSE4_1 FALSE)
check_cxx_compiler_flag("-mfpu=neon" HAVE_NEON)
if(HAVE_NEON)
set(NEON_COMPILE_FLAGS "-mfpu=neon")
add_definitions("-DHAVE_NEON")
endif()
else()
@ -274,7 +267,13 @@ else()
endif(CMAKE_SYSTEM_PROCESSOR MATCHES "x86|x86_64|AMD64|amd64|i386|i686")
# Compiler specific environments
if(HAVE_NEON)
set(NEON_COMPILE_FLAGS "-mfpu=neon")
message(STATUS "LTO build is not supported on arm/RBPi.")
set(ENABLE_LTO FALSE) # enable LTO cause fatal error on arm/RBPi
endif()
# Compiler specific environment
if(CMAKE_COMPILER_IS_GNUCXX OR MINGW)
set(CMAKE_CXX_FLAGS_DEBUG
"${CMAKE_CXX_FLAGS_DEBUG} -Wall -DDEBUG -pedantic -Og")