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file(GET_RUNTIME_DEPENDENCIES): Fix weak macOS libraries not detected

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Starting with Clang 12, `otool -l` reports `LC_LOAD_WEAK_DYLIB` instead
of `LC_LOAD_DYLIB` for weakly linked libraries.  Update the
implementation of `file(GET_RUNTIME_DEPENDENCIES)` to recognize these.

Fixes: #21684
This commit is contained in:
Bianca van Schaik
2021-01-15 10:20:21 +01:00
committed by Brad King
parent f2d92b983b
commit 7e615a540e
3 changed files with 36 additions and 3 deletions
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2
Source/cmBinUtilsMacOSMachOOToolGetRuntimeDependenciesTool.cxx
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@@ -44,7 +44,7 @@ bool cmBinUtilsMacOSMachOOToolGetRuntimeDependenciesTool::GetFileInfo(
std::string line; std::string line;
static const cmsys::RegularExpression rpathRegex("^ *cmd LC_RPATH$"); static const cmsys::RegularExpression rpathRegex("^ *cmd LC_RPATH$");
static const cmsys::RegularExpression loadDylibRegex( static const cmsys::RegularExpression loadDylibRegex(
"^ *cmd LC_LOAD_DYLIB$"); "^ *cmd LC_LOAD(_WEAK)?_DYLIB$");
static const cmsys::RegularExpression pathRegex( static const cmsys::RegularExpression pathRegex(
"^ *path (.*) \\(offset [0-9]+\\)$"); "^ *path (.*) \\(offset [0-9]+\\)$");
static const cmsys::RegularExpression nameRegex( static const cmsys::RegularExpression nameRegex(

22
Tests/RunCMake/file-GET_RUNTIME_DEPENDENCIES/macos-all-check.cmake
View File

@@ -148,6 +148,27 @@ set(_check
) )
check_contents(deps/udeps6.txt "^${_check}$") check_contents(deps/udeps6.txt "^${_check}$")
# Weak library reference should have exactly the same dependencies as a regular library reference (test 1)
set_with_libsystem(_check
[[[^;]*/Tests/RunCMake/file-GET_RUNTIME_DEPENDENCIES/macos-build/root-all/executable/bin/../lib/executable_path/libexecutable_path\.dylib]]
[[[^;]*/Tests/RunCMake/file-GET_RUNTIME_DEPENDENCIES/macos-build/root-all/executable/bin/../lib/rpath_executable_path/librpath_executable_path\.dylib]]
[[[^;]*/Tests/RunCMake/file-GET_RUNTIME_DEPENDENCIES/macos-build/root-all/executable/lib/libtestlib\.dylib]]
[[[^;]*/Tests/RunCMake/file-GET_RUNTIME_DEPENDENCIES/macos-build/root-all/executable/lib/loader_path/libloader_path\.dylib]]
[[[^;]*/Tests/RunCMake/file-GET_RUNTIME_DEPENDENCIES/macos-build/root-all/executable/lib/normal/../rpath/librpath\.dylib]]
[[[^;]*/Tests/RunCMake/file-GET_RUNTIME_DEPENDENCIES/macos-build/root-all/executable/lib/normal/libnormal\.dylib]]
[[[^;]*/Tests/RunCMake/file-GET_RUNTIME_DEPENDENCIES/macos-build/root-all/executable/lib/rpath_loader_path/librpath_loader_path\.dylib]]
)
check_contents(deps/deps7.txt "^${_check}$")
set(_check
[[@executable_path/../lib/executable_path_bundle/libexecutable_path_bundle\.dylib]]
[[@loader_path/loader_path_unresolved/libloader_path_unresolved\.dylib]]
[[@rpath/librpath_executable_path_bundle\.dylib]]
[[@rpath/librpath_loader_path_unresolved\.dylib]]
[[@rpath/librpath_unresolved\.dylib]]
)
check_contents(deps/udeps7.txt "^${_check}$")
set(_check set(_check
"^libconflict\\.dylib:[^;]*/Tests/RunCMake/file-GET_RUNTIME_DEPENDENCIES/macos-build/root-all/executable/lib/conflict/libconflict\\.dylib;[^;]*/Tests/RunCMake/file-GET_RUNTIME_DEPENDENCIES/macos-build/root-all/executable/lib/conflict2/libconflict\\.dylib\n$" "^libconflict\\.dylib:[^;]*/Tests/RunCMake/file-GET_RUNTIME_DEPENDENCIES/macos-build/root-all/executable/lib/conflict/libconflict\\.dylib;[^;]*/Tests/RunCMake/file-GET_RUNTIME_DEPENDENCIES/macos-build/root-all/executable/lib/conflict2/libconflict\\.dylib\n$"
) )
@@ -157,3 +178,4 @@ check_contents(deps/cdeps3.txt "${_check}")
check_contents(deps/cdeps4.txt "${_check}") check_contents(deps/cdeps4.txt "${_check}")
check_contents(deps/cdeps5.txt "${_check}") check_contents(deps/cdeps5.txt "${_check}")
check_contents(deps/cdeps6.txt "${_check}") check_contents(deps/cdeps6.txt "${_check}")
check_contents(deps/cdeps7.txt "${_check}")

15
Tests/RunCMake/file-GET_RUNTIME_DEPENDENCIES/macos.cmake
View File

@@ -128,16 +128,19 @@ endforeach()
target_link_libraries(testlib PRIVATE ${testlib_names}) target_link_libraries(testlib PRIVATE ${testlib_names})
add_executable(topexe macos/topexe.c) add_executable(topexe macos/topexe.c)
add_executable(topexe_weak macos/topexe.c)
add_library(toplib SHARED macos/toplib.c) add_library(toplib SHARED macos/toplib.c)
add_library(topmod MODULE macos/toplib.c) add_library(topmod MODULE macos/toplib.c)
target_link_libraries(topexe PRIVATE testlib) target_link_libraries(topexe PRIVATE testlib)
target_link_libraries(topexe_weak PRIVATE "-weak_library" testlib)
target_link_libraries(toplib PRIVATE testlib) target_link_libraries(toplib PRIVATE testlib)
target_link_libraries(topmod PRIVATE testlib) target_link_libraries(topmod PRIVATE testlib)
set_property(TARGET topexe toplib topmod PROPERTY INSTALL_RPATH "${CMAKE_BINARY_DIR}/root-all/executable/lib") set_property(TARGET topexe toplib topmod PROPERTY INSTALL_RPATH "${CMAKE_BINARY_DIR}/root-all/executable/lib")
set_property(TARGET topexe_weak toplib topmod PROPERTY INSTALL_RPATH "${CMAKE_BINARY_DIR}/root-all/executable/lib")
install(TARGETS topexe toplib topmod testlib testlib_conflict RUNTIME DESTINATION executable/bin LIBRARY DESTINATION executable/lib) install(TARGETS topexe topexe_weak toplib topmod testlib testlib_conflict RUNTIME DESTINATION executable/bin LIBRARY DESTINATION executable/lib)
install(TARGETS topexe toplib topmod testlib testlib_conflict RUNTIME DESTINATION bundle_executable/bin LIBRARY DESTINATION bundle_executable/lib) install(TARGETS topexe topexe_weak toplib topmod testlib testlib_conflict RUNTIME DESTINATION bundle_executable/bin LIBRARY DESTINATION bundle_executable/lib)
install(CODE [[ install(CODE [[
function(exec_get_runtime_dependencies depsfile udepsfile cdepsfile) function(exec_get_runtime_dependencies depsfile udepsfile cdepsfile)
@@ -213,4 +216,12 @@ install(CODE [[
"${CMAKE_INSTALL_PREFIX}/executable/lib/$<TARGET_FILE_NAME:testlib_conflict>" "${CMAKE_INSTALL_PREFIX}/executable/lib/$<TARGET_FILE_NAME:testlib_conflict>"
BUNDLE_EXECUTABLE "${CMAKE_INSTALL_PREFIX}/bundle_executable/bin/$<TARGET_FILE_NAME:topexe>" BUNDLE_EXECUTABLE "${CMAKE_INSTALL_PREFIX}/bundle_executable/bin/$<TARGET_FILE_NAME:topexe>"
) )
exec_get_runtime_dependencies(
deps7.txt udeps7.txt cdeps7.txt
EXECUTABLES
"${CMAKE_INSTALL_PREFIX}/executable/bin/$<TARGET_FILE_NAME:topexe_weak>"
LIBRARIES
"${CMAKE_INSTALL_PREFIX}/executable/lib/$<TARGET_FILE_NAME:testlib_conflict>"
)
]]) ]])