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- make ARM compiler flags optional, detect based on ${ZDOOM_TARGET_ARCH}, do not activate on Apple build systems

This commit is contained in:
Rachael Alexanderson 2021-01-17 06:30:14 -05:00
parent 26eac560dd
commit b70c66e2cc
1 changed files with 5 additions and 1 deletions
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6
src/CMakeLists.txt
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@ -319,7 +319,11 @@ if( ZD_CMAKE_COMPILER_IS_GNUCXX_COMPATIBLE )
set( CMAKE_CXX_FLAGS "-Wall -Wextra -Wno-unused -Wno-unused-parameter -Wno-missing-field-initializers -ffp-contract=off ${CMAKE_CXX_FLAGS}" )
# ARM processors (Raspberry Pi, et al) - enable ARM NEON support.
if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm")
if(${ZDOOM_TARGET_ARCH} MATCHES "arm" AND NOT APPLE)
set (USE_LINUX_ARM 1 CACHE BOOL "Compile for ARM - Linux")
endif ()
if (USE_LINUX_ARM)
set (USE_ARMV8 0 CACHE BOOL "Use ARMv8 instructions - Raspberry Pi 3")
if (USE_ARMV8)
set( CMAKE_CXX_FLAGS "-mcpu=cortex-a53 -mfpu=neon-fp-armv8 -mtune=cortex-a53 -mhard-float -DNO_SSE ${CMAKE_CXX_FLAGS}" )