factotum/libressl-portable
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make cross compilation possible on macOS with CMake

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Sync CMAKE_SYSTEM_PROCESSOR to CMAKE_OSX_ARCHITECTURES. This doesn't
support universal binaries, but does allow cross-compiling for a single
architecture by setting -DCMAKE_OSX_ARCHITECTURES=(arm64|x86_64)
This commit is contained in:
Brent Cook 2023-07-04 12:36:57 +03:00
parent 71ce0b8c3e
commit 2203c13d25
1 changed files with 9 additions and 0 deletions
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9
CMakeLists.txt
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@ -306,6 +306,15 @@ if(HAVE_NETINET_IP_H)
add_definitions(-DHAVE_NETINET_IP_H)
endif()
# This isn't ready for universal binaries yet, since we do conditional
# compilation based on the architecture, but this makes cross compiling for a
# single architecture work on macOS at least.
#
# Don't set CMAKE_OSX_ARCHITECTURES to more than a single value for now.
if(APPLE)
set(CMAKE_SYSTEM_PROCESSOR "${CMAKE_OSX_ARCHITECTURES}")
endif()
if("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "(aarch64|arm64)")
set(HOST_AARCH64 true)
elseif("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "arm")