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macOS: Add /opt/homebrew to CMAKE_SYSTEM_PREFIX_PATH on Apple Silicon

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According to https://brew.sh/2020/12/01/homebrew-2.6.0/ the `/opt/homebrew`
directory is recommended for installing ARM architecture brew packages.

Fixes: #21585
This commit is contained in:
Brad King
2020-12-11 10:53:00 -05:00
parent 23df57a3a7
commit 1a5c1a68b6
1 changed files with 7 additions and 0 deletions
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7
Modules/Platform/Darwin.cmake
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@@ -216,6 +216,13 @@ set(CMAKE_SYSTEM_APPBUNDLE_PATH
unset(_apps_paths)
include(Platform/UnixPaths)
if(CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND CMAKE_SYSTEM_PROCESSOR STREQUAL "arm64")
list(PREPEND CMAKE_SYSTEM_PREFIX_PATH
/opt/homebrew # Brew on Apple Silicon
)
endif()
if(_CMAKE_OSX_SYSROOT_PATH)
if(EXISTS ${_CMAKE_OSX_SYSROOT_PATH}/usr/include)
list(INSERT CMAKE_SYSTEM_PREFIX_PATH 0 ${_CMAKE_OSX_SYSROOT_PATH}/usr)