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author | Brad King <brad.king@kitware.com> | 2015-05-26 13:24:00 (GMT) |
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committer | CMake Topic Stage <kwrobot@kitware.com> | 2015-05-26 13:24:00 (GMT) |
commit | 12b9005d7c015b1f8cece5a9d8cf5f1a9f4a18fa (patch) | |
tree | e51e518ba0502ff060785f2276fd5d2347437cda | |
parent | 129bf45dee4d6fc4cca8103235013b60464660f2 (diff) | |
parent | 700f1c3b2b379f2af63ba97b93348ff66069a388 (diff) | |
download | CMake-12b9005d7c015b1f8cece5a9d8cf5f1a9f4a18fa.zip CMake-12b9005d7c015b1f8cece5a9d8cf5f1a9f4a18fa.tar.gz CMake-12b9005d7c015b1f8cece5a9d8cf5f1a9f4a18fa.tar.bz2 |
Merge topic 'extend-visibility-properties'
700f1c3b Honor visibility properties for all target types (#15556)
50de5dbb Help: Format visibility property and variable documentation
771f1b00 Tests: Rename Visibility{InlinesHidden =>}
ab55b3b5 Tests: Refactor RunCMake.VisibilityPreset test setup
31 files changed, 301 insertions, 78 deletions
diff --git a/Help/manual/cmake-policies.7.rst b/Help/manual/cmake-policies.7.rst index 2cc3a47..c5970bb 100644 --- a/Help/manual/cmake-policies.7.rst +++ b/Help/manual/cmake-policies.7.rst @@ -120,3 +120,4 @@ All Policies /policy/CMP0060 /policy/CMP0061 /policy/CMP0062 + /policy/CMP0063 diff --git a/Help/policy/CMP0063.rst b/Help/policy/CMP0063.rst new file mode 100644 index 0000000..298e9c2 --- /dev/null +++ b/Help/policy/CMP0063.rst @@ -0,0 +1,26 @@ +CMP0063 +------- + +Honor visibility properties for all target types. + +The :prop_tgt:`<LANG>_VISIBILITY_PRESET` and +:prop_tgt:`VISIBILITY_INLINES_HIDDEN` target properties affect visibility +of symbols during dynamic linking. When first introduced these properties +affected compilation of sources only in shared libraries, module libraries, +and executables with the :prop_tgt:`ENABLE_EXPORTS` property set. This +was sufficient for the basic use cases of shared libraries and executables +with plugins. However, some sources may be compiled as part of static +libraries or object libraries and then linked into a shared library later. +CMake 3.3 and above prefer to honor these properties for sources compiled +in all target types. This policy preserves compatibility for projects +expecting the properties to work only for some target types. + +The ``OLD`` behavior for this policy is to ignore the visibility properties +for static libraries, object libraries, and executables without exports. +The ``NEW`` behavior for this policy is to honor the visibility properties +for all target types. + +This policy was introduced in CMake version 3.3. CMake version +|release| warns when the policy is not set and uses ``OLD`` behavior. Use +the :command:`cmake_policy()` command to set it to ``OLD`` or ``NEW`` +explicitly. diff --git a/Help/prop_tgt/LANG_VISIBILITY_PRESET.rst b/Help/prop_tgt/LANG_VISIBILITY_PRESET.rst index d4bde17..5d34e20 100644 --- a/Help/prop_tgt/LANG_VISIBILITY_PRESET.rst +++ b/Help/prop_tgt/LANG_VISIBILITY_PRESET.rst @@ -3,8 +3,11 @@ Value for symbol visibility compile flags -The <LANG>_VISIBILITY_PRESET property determines the value passed in a -visibility related compile option, such as -fvisibility= for <LANG>. -This property only has an affect for libraries and executables with -exports. This property is initialized by the value of the variable -CMAKE_<LANG>_VISIBILITY_PRESET if it is set when a target is created. +The ``<LANG>_VISIBILITY_PRESET`` property determines the value passed in a +visibility related compile option, such as ``-fvisibility=`` for ``<LANG>``. +This property affects compilation in sources of all types of targets +(subject to policy :policy:`CMP0063`). + +This property is initialized by the value of the +:variable:`CMAKE_<LANG>_VISIBILITY_PRESET` variable if it is set when a +target is created. diff --git a/Help/prop_tgt/VISIBILITY_INLINES_HIDDEN.rst b/Help/prop_tgt/VISIBILITY_INLINES_HIDDEN.rst index e06d35c..adbbc71 100644 --- a/Help/prop_tgt/VISIBILITY_INLINES_HIDDEN.rst +++ b/Help/prop_tgt/VISIBILITY_INLINES_HIDDEN.rst @@ -3,9 +3,11 @@ VISIBILITY_INLINES_HIDDEN Whether to add a compile flag to hide symbols of inline functions -The VISIBILITY_INLINES_HIDDEN property determines whether a flag for -hiding symbols for inline functions, such as -fvisibility-inlines-hidden, -should be used when invoking the compiler. This property only has an affect -for libraries and executables with exports. This property is initialized by -the value of the :variable:`CMAKE_VISIBILITY_INLINES_HIDDEN` if it is set -when a target is created. +The ``VISIBILITY_INLINES_HIDDEN`` property determines whether a flag for +hiding symbols for inline functions, such as ``-fvisibility-inlines-hidden``, +should be used when invoking the compiler. This property affects compilation +in sources of all types of targets (subject to policy :policy:`CMP0063`). + +This property is initialized by +the value of the :variable:`CMAKE_VISIBILITY_INLINES_HIDDEN` variable if it +is set when a target is created. diff --git a/Help/release/dev/extend-visibility-properties.rst b/Help/release/dev/extend-visibility-properties.rst new file mode 100644 index 0000000..6b4489d --- /dev/null +++ b/Help/release/dev/extend-visibility-properties.rst @@ -0,0 +1,7 @@ +extend-visibility-properties +---------------------------- + +* The :prop_tgt:`<LANG>_VISIBILITY_PRESET` and + :prop_tgt:`VISIBILITY_INLINES_HIDDEN` target properties now + affect compilation in sources of all target types. See + policy :policy:`CMP0063`. diff --git a/Help/variable/CMAKE_LANG_VISIBILITY_PRESET.rst b/Help/variable/CMAKE_LANG_VISIBILITY_PRESET.rst index bef670f..1961ea0 100644 --- a/Help/variable/CMAKE_LANG_VISIBILITY_PRESET.rst +++ b/Help/variable/CMAKE_LANG_VISIBILITY_PRESET.rst @@ -1,8 +1,5 @@ CMAKE_<LANG>_VISIBILITY_PRESET ------------------------------ -Default value for <LANG>_VISIBILITY_PRESET of targets. - -This variable is used to initialize the <LANG>_VISIBILITY_PRESET -property on all the targets. See that target property for additional -information. +Default value for the :prop_tgt:`<LANG>_VISIBILITY_PRESET` target +property when a target is created. diff --git a/Help/variable/CMAKE_VISIBILITY_INLINES_HIDDEN.rst b/Help/variable/CMAKE_VISIBILITY_INLINES_HIDDEN.rst index f55c7b1..150bacc 100644 --- a/Help/variable/CMAKE_VISIBILITY_INLINES_HIDDEN.rst +++ b/Help/variable/CMAKE_VISIBILITY_INLINES_HIDDEN.rst @@ -1,8 +1,5 @@ CMAKE_VISIBILITY_INLINES_HIDDEN ------------------------------- -Default value for VISIBILITY_INLINES_HIDDEN of targets. - -This variable is used to initialize the VISIBILITY_INLINES_HIDDEN -property on all the targets. See that target property for additional -information. +Default value for the :prop_tgt:`VISIBILITY_INLINES_HIDDEN` target +property when a target is created. diff --git a/Source/cmLocalGenerator.cxx b/Source/cmLocalGenerator.cxx index c2e996c..41dc8c5 100644 --- a/Source/cmLocalGenerator.cxx +++ b/Source/cmLocalGenerator.cxx @@ -2248,7 +2248,8 @@ AddCompilerRequirementFlag(std::string &flags, cmTarget const* target, static void AddVisibilityCompileOption(std::string &flags, cmTarget const* target, cmLocalGenerator *lg, - const std::string& lang) + const std::string& lang, + std::string* warnCMP0063) { std::string l(lang); std::string compileOption = "CMAKE_" + l + "_COMPILE_OPTIONS_VISIBILITY"; @@ -2264,6 +2265,11 @@ static void AddVisibilityCompileOption(std::string &flags, { return; } + if (warnCMP0063) + { + *warnCMP0063 += " " + flagDefine + "\n"; + return; + } if (strcmp(prop, "hidden") != 0 && strcmp(prop, "default") != 0 && strcmp(prop, "protected") != 0 @@ -2281,7 +2287,8 @@ static void AddVisibilityCompileOption(std::string &flags, static void AddInlineVisibilityCompileOption(std::string &flags, cmTarget const* target, - cmLocalGenerator *lg) + cmLocalGenerator *lg, + std::string* warnCMP0063) { std::string compileOption = "CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN"; @@ -2296,6 +2303,11 @@ static void AddInlineVisibilityCompileOption(std::string &flags, { return; } + if (warnCMP0063) + { + *warnCMP0063 += " VISIBILITY_INLINES_HIDDEN\n"; + return; + } lg->AppendFlags(flags, opt); } @@ -2304,25 +2316,49 @@ void cmLocalGenerator ::AddVisibilityPresetFlags(std::string &flags, cmTarget const* target, const std::string& lang) { - int targetType = target->GetType(); - bool suitableTarget = ((targetType == cmTarget::SHARED_LIBRARY) - || (targetType == cmTarget::MODULE_LIBRARY) - || (target->IsExecutableWithExports())); - - if (!suitableTarget) + if (lang.empty()) { return; } - if (lang.empty()) + std::string warnCMP0063; + std::string *pWarnCMP0063 = 0; + if (target->GetType() != cmTarget::SHARED_LIBRARY && + target->GetType() != cmTarget::MODULE_LIBRARY && + !target->IsExecutableWithExports()) { - return; + switch (target->GetPolicyStatusCMP0063()) + { + case cmPolicies::OLD: + return; + case cmPolicies::WARN: + pWarnCMP0063 = &warnCMP0063; + break; + default: + break; + } } - AddVisibilityCompileOption(flags, target, this, lang); + + AddVisibilityCompileOption(flags, target, this, lang, pWarnCMP0063); if(lang == "CXX") { - AddInlineVisibilityCompileOption(flags, target, this); + AddInlineVisibilityCompileOption(flags, target, this, pWarnCMP0063); + } + + if (!warnCMP0063.empty() && + this->WarnCMP0063.insert(target).second) + { + std::ostringstream w; + w << + cmPolicies::GetPolicyWarning(cmPolicies::CMP0063) << "\n" + "Target \"" << target->GetName() << "\" of " + "type \"" << cmTarget::GetTargetTypeName(target->GetType()) << "\" " + "has the following visibility properties set for " << lang << ":\n" << + warnCMP0063 << + "For compatibility CMake is not honoring them for this target."; + target->GetMakefile()->GetCMakeInstance() + ->IssueMessage(cmake::AUTHOR_WARNING, w.str(), target->GetBacktrace()); } } diff --git a/Source/cmLocalGenerator.h b/Source/cmLocalGenerator.h index 3fca225..2585a2c 100644 --- a/Source/cmLocalGenerator.h +++ b/Source/cmLocalGenerator.h @@ -456,6 +456,8 @@ protected: std::string::size_type ObjectPathMax; std::set<std::string> ObjectMaxPathViolations; + std::set<cmTarget const*> WarnCMP0063; + bool LinkScriptShell; bool UseRelativePaths; bool Configured; diff --git a/Source/cmPolicies.h b/Source/cmPolicies.h index eb56494..00d857a 100644 --- a/Source/cmPolicies.h +++ b/Source/cmPolicies.h @@ -214,6 +214,9 @@ class cmPolicy; 3, 3, 0, cmPolicies::WARN) \ SELECT(POLICY, CMP0062, \ "Disallow install() of export() result.", \ + 3, 3, 0, cmPolicies::WARN) \ + SELECT(POLICY, CMP0063, \ + "Honor visibility properties for all target types.", \ 3, 3, 0, cmPolicies::WARN) #define CM_SELECT_ID(F, A1, A2, A3, A4, A5, A6) F(A1) diff --git a/Source/cmTarget.h b/Source/cmTarget.h index 1a8b75a..2150b83 100644 --- a/Source/cmTarget.h +++ b/Source/cmTarget.h @@ -39,7 +39,8 @@ F(CMP0042) \ F(CMP0046) \ F(CMP0052) \ - F(CMP0060) + F(CMP0060) \ + F(CMP0063) class cmake; class cmMakefile; diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt index 1f93675..8865063 100644 --- a/Tests/CMakeLists.txt +++ b/Tests/CMakeLists.txt @@ -484,16 +484,16 @@ if(BUILD_TESTING) endif() if(run_inlines_hidden_test) - add_test(VisibilityInlinesHidden ${CMAKE_CTEST_COMMAND} + add_test(Visibility ${CMAKE_CTEST_COMMAND} --build-and-test - "${CMake_SOURCE_DIR}/Tests/VisibilityInlinesHidden" - "${CMake_BINARY_DIR}/Tests/VisibilityInlinesHidden" + "${CMake_SOURCE_DIR}/Tests/Visibility" + "${CMake_BINARY_DIR}/Tests/Visibility" ${build_generator_args} - --build-project VisibilityInlinesHidden + --build-project Visibility --build-options ${build_options} ) list(APPEND TEST_BUILD_DIRS - "${CMake_BINARY_DIR}/Tests/VisibilityInlinesHidden" + "${CMake_BINARY_DIR}/Tests/Visibility" ) endif() diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt index 2100b55..592b5e4 100644 --- a/Tests/RunCMake/CMakeLists.txt +++ b/Tests/RunCMake/CMakeLists.txt @@ -105,22 +105,9 @@ add_RunCMake_test(CompileFeatures) add_RunCMake_test(WriteCompilerDetectionHeader) if(NOT WIN32) add_RunCMake_test(PositionIndependentCode) - set(SKIP_VISIBILITY 0) - if("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU" AND "${CMAKE_CXX_COMPILER_VERSION}" VERSION_LESS 4.2) - set(SKIP_VISIBILITY 1) - endif() - - if (CMAKE_CXX_COMPILER_ID MATCHES Watcom - OR CMAKE_SYSTEM_NAME MATCHES IRIX64 - OR CMAKE_CXX_COMPILER_ID MATCHES HP - OR CMAKE_CXX_COMPILER_ID MATCHES XL - OR CMAKE_CXX_COMPILER_ID MATCHES SunPro) - set(SKIP_VISIBILITY 1) - endif() - - if (NOT SKIP_VISIBILITY) - add_RunCMake_test(VisibilityPreset) - endif() +endif() +if(NOT CMAKE_GENERATOR MATCHES "Visual Studio") + add_RunCMake_test(VisibilityPreset) endif() if (QT4_FOUND) set(CompatibleInterface_ARGS -DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}) diff --git a/Tests/RunCMake/TargetPolicies/PolicyList-stderr.txt b/Tests/RunCMake/TargetPolicies/PolicyList-stderr.txt index 1da1623..d0aa995 100644 --- a/Tests/RunCMake/TargetPolicies/PolicyList-stderr.txt +++ b/Tests/RunCMake/TargetPolicies/PolicyList-stderr.txt @@ -18,6 +18,7 @@ \* CMP0046 \* CMP0052 \* CMP0060 + \* CMP0063 Call Stack \(most recent call first\): CMakeLists.txt:3 \(include\) diff --git a/Tests/RunCMake/VisibilityPreset/CMP0063-Common.cmake b/Tests/RunCMake/VisibilityPreset/CMP0063-Common.cmake new file mode 100644 index 0000000..afea20b --- /dev/null +++ b/Tests/RunCMake/VisibilityPreset/CMP0063-Common.cmake @@ -0,0 +1,7 @@ +set(CMAKE_VISIBILITY_INLINES_HIDDEN 1) +set(CMAKE_CXX_VISIBILITY_PRESET hidden) +add_executable(myexe lib.cpp) +add_library(mystatic STATIC lib.cpp) +add_library(myshared SHARED lib.cpp) +add_library(mymodule MODULE lib.cpp) +add_library(myobject OBJECT lib.cpp) diff --git a/Tests/RunCMake/VisibilityPreset/CMP0063-NEW.cmake b/Tests/RunCMake/VisibilityPreset/CMP0063-NEW.cmake new file mode 100644 index 0000000..9d1ee40 --- /dev/null +++ b/Tests/RunCMake/VisibilityPreset/CMP0063-NEW.cmake @@ -0,0 +1,8 @@ +cmake_policy(SET CMP0063 NEW) +enable_language(CXX) + +# Ensure CMake would warn even if toolchain does not really have these flags. +set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fvisibility-inlines-hidden") +set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY "-fvisibility=") + +include(CMP0063-Common.cmake) diff --git a/Tests/RunCMake/VisibilityPreset/CMP0063-OLD.cmake b/Tests/RunCMake/VisibilityPreset/CMP0063-OLD.cmake new file mode 100644 index 0000000..8378209 --- /dev/null +++ b/Tests/RunCMake/VisibilityPreset/CMP0063-OLD.cmake @@ -0,0 +1,8 @@ +cmake_policy(SET CMP0063 OLD) +enable_language(CXX) + +# Ensure CMake would warn even if toolchain does not really have these flags. +set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fvisibility-inlines-hidden") +set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY "-fvisibility=") + +include(CMP0063-Common.cmake) diff --git a/Tests/RunCMake/VisibilityPreset/CMP0063-WARN-no.cmake b/Tests/RunCMake/VisibilityPreset/CMP0063-WARN-no.cmake new file mode 100644 index 0000000..2a9c9e5 --- /dev/null +++ b/Tests/RunCMake/VisibilityPreset/CMP0063-WARN-no.cmake @@ -0,0 +1,8 @@ + +enable_language(CXX) + +# Ensure CMake does not warn even if toolchain really does have these flags. +unset(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN) +unset(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY) + +include(CMP0063-Common.cmake) diff --git a/Tests/RunCMake/VisibilityPreset/CMP0063-WARN-yes-stderr.txt b/Tests/RunCMake/VisibilityPreset/CMP0063-WARN-yes-stderr.txt new file mode 100644 index 0000000..59a4b8f --- /dev/null +++ b/Tests/RunCMake/VisibilityPreset/CMP0063-WARN-yes-stderr.txt @@ -0,0 +1,50 @@ +^CMake Warning \(dev\) at CMP0063-Common.cmake:[0-9]+ \(add_executable\): + Policy CMP0063 is not set: Honor visibility properties for all target + types. Run "cmake --help-policy CMP0063" for policy details. Use the + cmake_policy command to set the policy and suppress this warning. + + Target "myexe" of type "EXECUTABLE" has the following visibility properties + set for CXX: + + CXX_VISIBILITY_PRESET + VISIBILITY_INLINES_HIDDEN + + For compatibility CMake is not honoring them for this target. +Call Stack \(most recent call first\): + CMP0063-WARN-yes.cmake:[0-9]+ \(include\) + CMakeLists.txt:[0-9]+ \(include\) +This warning is for project developers. Use -Wno-dev to suppress it. ++ +CMake Warning \(dev\) at CMP0063-Common.cmake:[0-9]+ \(add_library\): + Policy CMP0063 is not set: Honor visibility properties for all target + types. Run "cmake --help-policy CMP0063" for policy details. Use the + cmake_policy command to set the policy and suppress this warning. + + Target "myobject" of type "OBJECT_LIBRARY" has the following visibility + properties set for CXX: + + CXX_VISIBILITY_PRESET + VISIBILITY_INLINES_HIDDEN + + For compatibility CMake is not honoring them for this target. +Call Stack \(most recent call first\): + CMP0063-WARN-yes.cmake:[0-9]+ \(include\) + CMakeLists.txt:[0-9]+ \(include\) +This warning is for project developers. Use -Wno-dev to suppress it. ++ +CMake Warning \(dev\) at CMP0063-Common.cmake:[0-9]+ \(add_library\): + Policy CMP0063 is not set: Honor visibility properties for all target + types. Run "cmake --help-policy CMP0063" for policy details. Use the + cmake_policy command to set the policy and suppress this warning. + + Target "mystatic" of type "STATIC_LIBRARY" has the following visibility + properties set for CXX: + + CXX_VISIBILITY_PRESET + VISIBILITY_INLINES_HIDDEN + + For compatibility CMake is not honoring them for this target. +Call Stack \(most recent call first\): + CMP0063-WARN-yes.cmake:[0-9]+ \(include\) + CMakeLists.txt:[0-9]+ \(include\) +This warning is for project developers. Use -Wno-dev to suppress it.$ diff --git a/Tests/RunCMake/VisibilityPreset/CMP0063-WARN-yes.cmake b/Tests/RunCMake/VisibilityPreset/CMP0063-WARN-yes.cmake new file mode 100644 index 0000000..3388e4d --- /dev/null +++ b/Tests/RunCMake/VisibilityPreset/CMP0063-WARN-yes.cmake @@ -0,0 +1,8 @@ + +enable_language(CXX) + +# Ensure CMake warns even if toolchain does not really have these flags. +set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fvisibility-inlines-hidden") +set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY "-fvisibility=") + +include(CMP0063-Common.cmake) diff --git a/Tests/RunCMake/VisibilityPreset/CMakeLists.txt b/Tests/RunCMake/VisibilityPreset/CMakeLists.txt index 90afc12..18dfd26 100644 --- a/Tests/RunCMake/VisibilityPreset/CMakeLists.txt +++ b/Tests/RunCMake/VisibilityPreset/CMakeLists.txt @@ -1,8 +1,3 @@ - -cmake_minimum_required(VERSION 2.8.4) -project(${RunCMake_TEST} CXX) - -# MSVC creates extra targets which pollute the stderr unless we set this. -set(CMAKE_SUPPRESS_REGENERATION TRUE) - +cmake_minimum_required(VERSION 3.2) +project(${RunCMake_TEST} NONE) include(${RunCMake_TEST}.cmake) diff --git a/Tests/RunCMake/VisibilityPreset/PropertyTypo.cmake b/Tests/RunCMake/VisibilityPreset/PropertyTypo.cmake index 03c0ed9..c6e9dd9 100644 --- a/Tests/RunCMake/VisibilityPreset/PropertyTypo.cmake +++ b/Tests/RunCMake/VisibilityPreset/PropertyTypo.cmake @@ -1,3 +1,8 @@ +enable_language(CXX) + +# Ensure CMake warns even if toolchain does not really have these flags. +set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fvisibility-inlines-hidden") +set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY "-fvisibility=") add_library(visibility_preset SHARED lib.cpp) set_property(TARGET visibility_preset PROPERTY CXX_VISIBILITY_PRESET hiden) diff --git a/Tests/RunCMake/VisibilityPreset/RunCMakeTest.cmake b/Tests/RunCMake/VisibilityPreset/RunCMakeTest.cmake index 2d78832..c7eb808 100644 --- a/Tests/RunCMake/VisibilityPreset/RunCMakeTest.cmake +++ b/Tests/RunCMake/VisibilityPreset/RunCMakeTest.cmake @@ -1,3 +1,7 @@ include(RunCMake) run_cmake(PropertyTypo) +run_cmake(CMP0063-OLD) +run_cmake(CMP0063-WARN-yes) +run_cmake(CMP0063-WARN-no) +run_cmake(CMP0063-NEW) diff --git a/Tests/Visibility/CMakeLists.txt b/Tests/Visibility/CMakeLists.txt new file mode 100644 index 0000000..9498ca6 --- /dev/null +++ b/Tests/Visibility/CMakeLists.txt @@ -0,0 +1,66 @@ +cmake_minimum_required(VERSION 3.2) +cmake_policy(SET CMP0063 NEW) + +project(Visibility) + +add_library(hidden1 SHARED hidden.c) +set_property(TARGET hidden1 PROPERTY C_VISIBILITY_PRESET hidden) + +add_library(hidden_object OBJECT hidden.c) +set_property(TARGET hidden_object PROPERTY C_VISIBILITY_PRESET hidden) +set_property(TARGET hidden_object PROPERTY POSITION_INDEPENDENT_CODE ON) + +add_library(hidden_static STATIC hidden.c) +set_property(TARGET hidden_static PROPERTY C_VISIBILITY_PRESET hidden) +set_property(TARGET hidden_static PROPERTY POSITION_INDEPENDENT_CODE ON) + +add_library(hidden2 SHARED $<TARGET_OBJECTS:hidden_object> shared.c) + +add_library(hidden3 SHARED shared.c) +target_link_libraries(hidden3 hidden_static) + +foreach(t + hidden1 + hidden2 + hidden3 + ) + add_custom_command(TARGET ${t} POST_BUILD + COMMAND ${CMAKE_COMMAND} + -DCMAKE_NM=${CMAKE_NM} + -DTEST_LIBRARY_PATH=$<TARGET_FILE:${t}> + -P ${CMAKE_CURRENT_SOURCE_DIR}/verify.cmake + ) +endforeach() + + +add_library(inlines_hidden1 SHARED foo.cpp bar.c) +set_property(TARGET inlines_hidden1 PROPERTY VISIBILITY_INLINES_HIDDEN ON) +target_compile_options(inlines_hidden1 PRIVATE -Werror) + +add_library(inlines_hidden_object OBJECT foo.cpp bar.c) +set_property(TARGET inlines_hidden_object PROPERTY VISIBILITY_INLINES_HIDDEN ON) +set_property(TARGET inlines_hidden_object PROPERTY POSITION_INDEPENDENT_CODE ON) +target_compile_options(inlines_hidden_object PRIVATE -Werror) + +add_library(inlines_hidden_static STATIC foo.cpp bar.c) +set_property(TARGET inlines_hidden_static PROPERTY VISIBILITY_INLINES_HIDDEN ON) +set_property(TARGET inlines_hidden_static PROPERTY POSITION_INDEPENDENT_CODE ON) +target_compile_options(inlines_hidden_static PRIVATE -Werror) + +add_library(inlines_hidden2 SHARED $<TARGET_OBJECTS:inlines_hidden_object> shared.cpp) + +add_library(inlines_hidden3 SHARED shared.cpp) +target_link_libraries(inlines_hidden3 inlines_hidden_static) + +foreach(t + inlines_hidden1 + inlines_hidden2 + inlines_hidden3 + ) + add_custom_command(TARGET ${t} POST_BUILD + COMMAND ${CMAKE_COMMAND} + -DCMAKE_NM=${CMAKE_NM} + -DTEST_LIBRARY_PATH=$<TARGET_FILE:${t}> + -P ${CMAKE_CURRENT_SOURCE_DIR}/verify.cmake + ) +endforeach() diff --git a/Tests/VisibilityInlinesHidden/bar.c b/Tests/Visibility/bar.c index e425999..e425999 100644 --- a/Tests/VisibilityInlinesHidden/bar.c +++ b/Tests/Visibility/bar.c diff --git a/Tests/VisibilityInlinesHidden/foo.cpp b/Tests/Visibility/foo.cpp index 2b66b69..2b66b69 100644 --- a/Tests/VisibilityInlinesHidden/foo.cpp +++ b/Tests/Visibility/foo.cpp diff --git a/Tests/Visibility/hidden.c b/Tests/Visibility/hidden.c new file mode 100644 index 0000000..6e97343 --- /dev/null +++ b/Tests/Visibility/hidden.c @@ -0,0 +1,4 @@ +int hidden_function(void) { return 0; } + +__attribute__((visibility("default"))) +int not_hidden(void) { return hidden_function(); } diff --git a/Tests/Visibility/shared.c b/Tests/Visibility/shared.c new file mode 100644 index 0000000..bb94976 --- /dev/null +++ b/Tests/Visibility/shared.c @@ -0,0 +1,3 @@ +extern int not_hidden(void); + +int shared(void) { return not_hidden(); } diff --git a/Tests/Visibility/shared.cpp b/Tests/Visibility/shared.cpp new file mode 100644 index 0000000..4897ff8 --- /dev/null +++ b/Tests/Visibility/shared.cpp @@ -0,0 +1,8 @@ +extern "C" int bar(void); +void baz(); + +int shared() +{ + baz(); + return bar(); +} diff --git a/Tests/VisibilityInlinesHidden/verify.cmake b/Tests/Visibility/verify.cmake index 80dd13c..3b2028c 100644 --- a/Tests/VisibilityInlinesHidden/verify.cmake +++ b/Tests/Visibility/verify.cmake @@ -8,7 +8,7 @@ if(NOT "${RESULT}" STREQUAL "0") message(FATAL_ERROR "nm failed [${RESULT}] [${OUTPUT}] [${ERROR}]") endif() -if(${OUTPUT} MATCHES "Foo[^\\n]*bar") +if(${OUTPUT} MATCHES "(Foo[^\\n]*bar|hidden_function)") message(FATAL_ERROR - "Found Foo::bar() which should have been hidden [${OUTPUT}]") + "Found ${CMAKE_MATCH_1} which should have been hidden [${OUTPUT}]") endif() diff --git a/Tests/VisibilityInlinesHidden/CMakeLists.txt b/Tests/VisibilityInlinesHidden/CMakeLists.txt deleted file mode 100644 index 8ebc39c..0000000 --- a/Tests/VisibilityInlinesHidden/CMakeLists.txt +++ /dev/null @@ -1,14 +0,0 @@ -cmake_minimum_required(VERSION 2.8) - -project(VisibilityInlinesHidden) - -add_library(inlines_hidden SHARED foo.cpp bar.c) -set_property(TARGET inlines_hidden PROPERTY VISIBILITY_INLINES_HIDDEN ON) -target_compile_options(inlines_hidden PRIVATE -Werror) - -add_custom_command(TARGET inlines_hidden POST_BUILD - COMMAND ${CMAKE_COMMAND} - -DCMAKE_NM=${CMAKE_NM} - -DTEST_LIBRARY_PATH=$<TARGET_FILE:inlines_hidden> - -P ${CMAKE_CURRENT_SOURCE_DIR}/verify.cmake -) |