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https://github.com/fish-shell/fish-shell
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1390112b46
fish wants to build with -mmacosx-version-min=10.9. This is important because it ensures that we do not use functions or linker features which which are not available on 10.9. However this collides with the fact that fish also prefers to use a pcre2 package installed on the system, which is typically built for that system. Mac ld will (rightly) complain when it sees a 10.9-targeted binary linking a 10.15-targeted dylib. This is an annoying warning that gets emitted on every build. We could fix this either having Mac builds prefer the vendored PCRE2 by default, or by having debug builds target the system version. But we want to continue to default to system PCRE2 and we don't want to risk losing compatibility with older Mac versions. So we will just suppress all linker warnings in Mac debug builds.
44 lines
1.8 KiB
CMake
44 lines
1.8 KiB
CMake
set(CMAKE_OSX_DEPLOYMENT_TARGET "10.9" CACHE STRING "Minimum OS X deployment version")
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# Code signing ID on Mac.
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# If this is falsey, codesigning is disabled.
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# '-' is ad-hoc codesign.
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set(MAC_CODESIGN_ID "" CACHE STRING "Mac code-signing identity")
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# Whether to inject the "get-task-allow" entitlement, which permits debugging
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# on the Mac.
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set(MAC_INJECT_GET_TASK_ALLOW ON CACHE BOOL "Inject get-task-allow on Mac")
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# When building a Mac build, it is common for fish to link against a
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# pcre2 built for the host platform (e.g. macOS 10.15) while fish wants
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# to link for macOS 10.9. This warning would be of interest for releases,
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# but is just noise for daily development. Unfortunately it has no flag
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# of its own, so suppress all linker warnings in debug builds.
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set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} -w")
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function(CODESIGN_ON_MAC target)
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if((APPLE) AND (MAC_CODESIGN_ID))
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execute_process(COMMAND sw_vers "-productVersion" OUTPUT_VARIABLE OSX_VERSION)
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if(MAC_INJECT_GET_TASK_ALLOW)
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set(ENTITLEMENTS "--entitlements" "${CMAKE_SOURCE_DIR}/osx/fish_debug.entitlements")
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else()
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set(ENTITLEMENTS "")
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endif(MAC_INJECT_GET_TASK_ALLOW)
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if(OSX_VERSION VERSION_LESS "10.13.6")
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# `-options runtime` is only available in OS X from 10.13.6 and up
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add_custom_command(
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TARGET ${target}
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POST_BUILD
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COMMAND codesign --force --deep ${ENTITLEMENTS} --sign "${MAC_CODESIGN_ID}" $<TARGET_FILE:${target}>
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VERBATIM
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)
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else()
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add_custom_command(
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TARGET ${target}
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POST_BUILD
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COMMAND codesign --force --deep --options runtime ${ENTITLEMENTS} --sign "${MAC_CODESIGN_ID}" $<TARGET_FILE:${target}>
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VERBATIM
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)
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endif()
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endif()
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endfunction(CODESIGN_ON_MAC target)
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