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cmake: Fix cross-compilation on macOS

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Co-authored-by: Owen Rudge <owen@owenrudge.net>
Co-authored-by: Cosmin Truta <ctruta@gmail.com>
Signed-off-by: Cosmin Truta <ctruta@gmail.com>
This commit is contained in:
Owen Rudge 2020-12-14 21:24:33 +00:00 committed by Cosmin Truta
parent 0fe598d2f6
commit 8a354b41e9
1 changed files with 30 additions and 18 deletions
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48
CMakeLists.txt
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@ -16,6 +16,7 @@
# Revised by Steve Robinson, 2020
# Revised by Simon Hausmann, 2020
# Revised by Alex Gaynor, 2020
# Revised by Owen Rudge, 2020
# Revised by Gleb Mazovetskiy, 2021
# This code is released under the libpng license.
@ -66,13 +67,24 @@ option(PNG_HARDWARE_OPTIMIZATIONS "Enable hardware optimizations" ON)
set(PNG_PREFIX "" CACHE STRING "Prefix to add to the API function names")
set(DFA_XTRA "" CACHE FILEPATH "File containing extra configuration settings")
# CMake currently sets CMAKE_SYSTEM_PROCESSOR to one of x86_64 or arm64 on macOS,
# based upon the OS architecture, not the target architecture. As such, we need
# to check CMAKE_OSX_ARCHITECTURES to identify which hardware-specific flags to
# enable. Note that this will fail if you attempt to build a universal binary in
# a single CMake invocation.
if (APPLE AND CMAKE_OSX_ARCHITECTURES)
set(TARGET_ARCH ${CMAKE_OSX_ARCHITECTURES})
else()
set(TARGET_ARCH ${CMAKE_SYSTEM_PROCESSOR})
endif()
if(PNG_HARDWARE_OPTIMIZATIONS)
# Set definitions and sources for ARM.
if(CMAKE_SYSTEM_PROCESSOR MATCHES "^arm" OR
CMAKE_SYSTEM_PROCESSOR MATCHES "^aarch64")
if(CMAKE_SYSTEM_PROCESSOR MATCHES "^arm64" OR
CMAKE_SYSTEM_PROCESSOR MATCHES "^aarch64")
if(TARGET_ARCH MATCHES "^arm" OR
TARGET_ARCH MATCHES "^aarch64")
if(TARGET_ARCH MATCHES "^arm64" OR
TARGET_ARCH MATCHES "^aarch64")
set(PNG_ARM_NEON_POSSIBLE_VALUES on off)
set(PNG_ARM_NEON "on"
CACHE STRING "Enable ARM NEON optimizations: on|off; on is default")
@ -103,8 +115,8 @@ if(CMAKE_SYSTEM_PROCESSOR MATCHES "^arm" OR
endif()
# Set definitions and sources for PowerPC.
if(CMAKE_SYSTEM_PROCESSOR MATCHES "^powerpc*" OR
CMAKE_SYSTEM_PROCESSOR MATCHES "^ppc64*")
if(TARGET_ARCH MATCHES "^powerpc*" OR
TARGET_ARCH MATCHES "^ppc64*")
set(PNG_POWERPC_VSX_POSSIBLE_VALUES on off)
set(PNG_POWERPC_VSX "on"
CACHE STRING "Enable POWERPC VSX optimizations: on|off; on is default")
@ -126,8 +138,8 @@ if(CMAKE_SYSTEM_PROCESSOR MATCHES "^powerpc*" OR
endif()
# Set definitions and sources for Intel.
if(CMAKE_SYSTEM_PROCESSOR MATCHES "^i?86" OR
CMAKE_SYSTEM_PROCESSOR MATCHES "^x86_64*")
if(TARGET_ARCH MATCHES "^i?86" OR
TARGET_ARCH MATCHES "^x86_64*")
set(PNG_INTEL_SSE_POSSIBLE_VALUES on off)
set(PNG_INTEL_SSE "on"
CACHE STRING "Enable INTEL_SSE optimizations: on|off; on is default")
@ -149,8 +161,8 @@ if(CMAKE_SYSTEM_PROCESSOR MATCHES "^i?86" OR
endif()
# Set definitions and sources for MIPS.
if(CMAKE_SYSTEM_PROCESSOR MATCHES "mipsel*" OR
CMAKE_SYSTEM_PROCESSOR MATCHES "mips64el*")
if(TARGET_ARCH MATCHES "mipsel*" OR
TARGET_ARCH MATCHES "mips64el*")
set(PNG_MIPS_MSA_POSSIBLE_VALUES on off)
set(PNG_MIPS_MSA "on"
CACHE STRING "Enable MIPS_MSA optimizations: on|off; on is default")
@ -174,26 +186,26 @@ endif()
else(PNG_HARDWARE_OPTIMIZATIONS)
# Set definitions and sources for ARM.
if(CMAKE_SYSTEM_PROCESSOR MATCHES "^arm" OR
CMAKE_SYSTEM_PROCESSOR MATCHES "^aarch64")
if(TARGET_ARCH MATCHES "^arm" OR
TARGET_ARCH MATCHES "^aarch64")
add_definitions(-DPNG_ARM_NEON_OPT=0)
endif()
# Set definitions and sources for PowerPC.
if(CMAKE_SYSTEM_PROCESSOR MATCHES "^powerpc*" OR
CMAKE_SYSTEM_PROCESSOR MATCHES "^ppc64*")
if(TARGET_ARCH MATCHES "^powerpc*" OR
TARGET_ARCH MATCHES "^ppc64*")
add_definitions(-DPNG_POWERPC_VSX_OPT=0)
endif()
# Set definitions and sources for Intel.
if(CMAKE_SYSTEM_PROCESSOR MATCHES "^i?86" OR
CMAKE_SYSTEM_PROCESSOR MATCHES "^x86_64*")
if(TARGET_ARCH MATCHES "^i?86" OR
TARGET_ARCH MATCHES "^x86_64*")
add_definitions(-DPNG_INTEL_SSE_OPT=0)
endif()
# Set definitions and sources for MIPS.
if(CMAKE_SYSTEM_PROCESSOR MATCHES "mipsel*" OR
CMAKE_SYSTEM_PROCESSOR MATCHES "mips64el*")
if(TARGET_ARCH MATCHES "mipsel*" OR
TARGET_ARCH MATCHES "mips64el*")
add_definitions(-DPNG_MIPS_MSA_OPT=0)
endif()