diff --git a/Help/manual/cmake-generator-expressions.7.rst b/Help/manual/cmake-generator-expressions.7.rst index eb57b1e123..a72eac1125 100644 --- a/Help/manual/cmake-generator-expressions.7.rst +++ b/Help/manual/cmake-generator-expressions.7.rst @@ -1711,6 +1711,13 @@ Export And Install Expressions when the target is used by another target in the same buildsystem. Expands to the empty string otherwise. +.. genex:: $ + + .. versionadded:: 3.26 + + Content of ``...`` when the target is used by another target in the same + buildsystem. Expands to the empty string otherwise. + .. genex:: $ Content of the install prefix when the target is exported via diff --git a/Help/release/dev/build-local-interface-genex.rst b/Help/release/dev/build-local-interface-genex.rst new file mode 100644 index 0000000000..7fe702e2f9 --- /dev/null +++ b/Help/release/dev/build-local-interface-genex.rst @@ -0,0 +1,5 @@ +build-local-interface-genex +--------------------------- + +* The :genex:`BUILD_LOCAL_INTERFACE` generator expression was added to + prevent usage requirements from being exported to dependent projects. diff --git a/Source/cmGeneratorExpression.cxx b/Source/cmGeneratorExpression.cxx index 21ace89c36..b605350230 100644 --- a/Source/cmGeneratorExpression.cxx +++ b/Source/cmGeneratorExpression.cxx @@ -2,6 +2,7 @@ file Copyright.txt or https://cmake.org/licensing for details. */ #include "cmGeneratorExpression.h" +#include #include #include #include @@ -226,23 +227,33 @@ static std::string stripExportInterface( while (true) { std::string::size_type bPos = input.find("$ + $ + $ + ) +add_library(locallib STATIC locallib.c) +target_link_libraries(locallib PRIVATE mainlib) + +install(TARGETS mainlib EXPORT export) +install(EXPORT export DESTINATION lib/cmake/install FILE install-config.cmake NAMESPACE install::) +export(EXPORT export FILE build-config.cmake NAMESPACE build::) diff --git a/Tests/RunCMake/ExportImport/BuildInstallInterfaceGenex-import.cmake b/Tests/RunCMake/ExportImport/BuildInstallInterfaceGenex-import.cmake new file mode 100644 index 0000000000..3fe5fae6b1 --- /dev/null +++ b/Tests/RunCMake/ExportImport/BuildInstallInterfaceGenex-import.cmake @@ -0,0 +1,9 @@ +enable_language(C) + +find_package(build REQUIRED) +find_package(install REQUIRED) + +add_library(buildlib STATIC buildlib.c) +target_link_libraries(buildlib PRIVATE build::mainlib) +add_library(installlib STATIC installlib.c) +target_link_libraries(installlib PRIVATE install::mainlib) diff --git a/Tests/RunCMake/ExportImport/RunCMakeTest.cmake b/Tests/RunCMake/ExportImport/RunCMakeTest.cmake index d07fca2a1a..b73004776e 100644 --- a/Tests/RunCMake/ExportImport/RunCMakeTest.cmake +++ b/Tests/RunCMake/ExportImport/RunCMakeTest.cmake @@ -22,3 +22,28 @@ function(run_ExportImport_test case) endfunction() run_ExportImport_test(SharedDep) + +function(run_ExportImportBuildInstall_test case) + set(RunCMake_TEST_BINARY_DIR ${RunCMake_BINARY_DIR}/${case}-export-build) + set(CMAKE_INSTALL_PREFIX ${RunCMake_TEST_BINARY_DIR}/root) + if (NOT RunCMake_GENERATOR_IS_MULTI_CONFIG) + set(RunCMake_TEST_OPTIONS -DCMAKE_BUILD_TYPE=Debug) + endif() + run_cmake(${case}-export) + unset(RunCMake_TEST_OPTIONS) + set(RunCMake_TEST_NO_CLEAN 1) + run_cmake_command(${case}-export-build ${CMAKE_COMMAND} --build . --config Debug) + run_cmake_command(${case}-export-install ${CMAKE_COMMAND} -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX} -DBUILD_TYPE=Debug -P cmake_install.cmake) + unset(RunCMake_TEST_NO_CLEAN) + + set(RunCMake_TEST_BINARY_DIR ${RunCMake_BINARY_DIR}/${case}-import-build) + run_cmake_with_options(${case}-import + -Dbuild_DIR=${RunCMake_BINARY_DIR}/${case}-export-build + -Dinstall_DIR=${CMAKE_INSTALL_PREFIX}/lib/cmake/install + ) + set(RunCMake_TEST_NO_CLEAN 1) + run_cmake_command(${case}-import-build ${CMAKE_COMMAND} --build . --config Debug) + unset(RunCMake_TEST_NO_CLEAN) +endfunction() + +run_ExportImportBuildInstall_test(BuildInstallInterfaceGenex) diff --git a/Tests/RunCMake/ExportImport/buildlib.c b/Tests/RunCMake/ExportImport/buildlib.c new file mode 100644 index 0000000000..ac193104af --- /dev/null +++ b/Tests/RunCMake/ExportImport/buildlib.c @@ -0,0 +1,8 @@ +#if !(!defined(BUILD_LOCAL_INTERFACE) && defined(BUILD_INTERFACE) && \ + !defined(INSTALL_INTERFACE)) +# error "Incorrect compile definitions" +#endif + +void buildlib(void) +{ +} diff --git a/Tests/RunCMake/ExportImport/installlib.c b/Tests/RunCMake/ExportImport/installlib.c new file mode 100644 index 0000000000..00d503c71c --- /dev/null +++ b/Tests/RunCMake/ExportImport/installlib.c @@ -0,0 +1,8 @@ +#if !(!defined(BUILD_LOCAL_INTERFACE) && !defined(BUILD_INTERFACE) && \ + defined(INSTALL_INTERFACE)) +# error "Incorrect compile definitions" +#endif + +void installlib(void) +{ +} diff --git a/Tests/RunCMake/ExportImport/locallib.c b/Tests/RunCMake/ExportImport/locallib.c new file mode 100644 index 0000000000..f9e3d8dc65 --- /dev/null +++ b/Tests/RunCMake/ExportImport/locallib.c @@ -0,0 +1,8 @@ +#if !(defined(BUILD_LOCAL_INTERFACE) && defined(BUILD_INTERFACE) && \ + !defined(INSTALL_INTERFACE)) +# error "Incorrect compile definitions" +#endif + +void locallib(void) +{ +}