221 lines
7.3 KiB
CMake
221 lines
7.3 KiB
CMake
# Import targets from the exported build tree.
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include(${Import_BINARY_DIR}/../Export/ExportBuildTree.cmake)
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# Import targets from the exported install tree.
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include(${CMAKE_INSTALL_PREFIX}/lib/exp/exp.cmake)
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# Import two exports, where the Depends one depends on an exported target from the Required one:
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include(${CMAKE_INSTALL_PREFIX}/lib/cmake/testLibRequired/testLibRequiredTargets.cmake)
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include(${CMAKE_INSTALL_PREFIX}/lib/cmake/testLibDepends/testLibDependsTargets.cmake)
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# Try referencing an executable imported from the install tree.
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add_custom_command(
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OUTPUT ${Import_BINARY_DIR}/exp_generated.c
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COMMAND exp_testExe1 ${Import_BINARY_DIR}/exp_generated.c
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DEPENDS exp_testExe1
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)
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add_custom_command(
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OUTPUT ${Import_BINARY_DIR}/exp_generated3.c
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COMMAND exp_testExe3 ${Import_BINARY_DIR}/exp_generated3.c
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DEPENDS exp_testExe3
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)
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add_executable(imp_testExe1
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imp_testExe1.c
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${Import_BINARY_DIR}/exp_generated.c
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${Import_BINARY_DIR}/exp_generated3.c
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)
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# Try linking to a library imported from the install tree.
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target_link_libraries(imp_testExe1
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exp_testLib2
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exp_testLib3
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exp_testLib4
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exp_testLib5
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exp_testLib6
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exp_testLibCycleA
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)
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# Try building a plugin to an executable imported from the install tree.
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add_library(imp_mod1 MODULE imp_mod1.c)
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target_link_libraries(imp_mod1 exp_testExe2)
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# Try referencing an executable imported from the build tree.
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add_custom_command(
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OUTPUT ${Import_BINARY_DIR}/bld_generated.c
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COMMAND bld_testExe1 ${Import_BINARY_DIR}/bld_generated.c
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DEPENDS bld_testExe1
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)
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add_custom_command(
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OUTPUT ${Import_BINARY_DIR}/bld_generated3.c
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COMMAND bld_testExe3 ${Import_BINARY_DIR}/bld_generated3.c
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DEPENDS bld_testExe3
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)
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add_executable(imp_testExe1b
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imp_testExe1.c
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${Import_BINARY_DIR}/bld_generated.c
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${Import_BINARY_DIR}/bld_generated3.c
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)
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# Try linking to a library imported from the build tree.
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target_link_libraries(imp_testExe1b
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bld_testLib2
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bld_testLib3
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bld_testLib4
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bld_testLib5
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bld_testLib6
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bld_testLibCycleA
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)
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# Try building a plugin to an executable imported from the build tree.
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add_library(imp_mod1b MODULE imp_mod1.c)
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target_link_libraries(imp_mod1b bld_testExe2)
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# Export/CMakeLists.txt pretends the RelWithDebInfo (as well as Debug)
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# configuration should link to debug libs.
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foreach(c DEBUG RELWITHDEBINFO)
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set_property(TARGET imp_testExe1 PROPERTY COMPILE_DEFINITIONS_${c} EXE_DBG)
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set_property(TARGET imp_testExe1b PROPERTY COMPILE_DEFINITIONS_${c} EXE_DBG)
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endforeach()
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#-----------------------------------------------------------------------------
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# Create a custom target to generate a header for the libraries below.
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# Drive the header generation through an indirect chain of imported
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# target dependencies.
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# testLib2tmp1.h
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add_custom_command(
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OUTPUT testLib2tmp1.h
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VERBATIM COMMAND
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${CMAKE_COMMAND} -E echo "extern int testLib2(void);" > testLib2tmp1.h
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)
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# hdr_testLib2tmp1 needs testLib2tmp1.h
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add_custom_target(hdr_testLib2tmp1 DEPENDS testLib2tmp1.h)
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# exp_testExe2 needs hdr_testLib2tmp1
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add_dependencies(exp_testExe2 hdr_testLib2tmp1)
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# testLib2tmp.h needs exp_testExe2
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add_custom_command(
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OUTPUT testLib2tmp.h
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VERBATIM COMMAND exp_testExe2
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COMMAND ${CMAKE_COMMAND} -E copy testLib2tmp1.h testLib2tmp.h
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)
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# hdr_testLib2tmp needs testLib2tmp.h
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add_custom_target(hdr_testLib2tmp DEPENDS testLib2tmp.h)
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add_library(dep_testLib2tmp UNKNOWN IMPORTED)
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set_property(TARGET dep_testLib2tmp PROPERTY
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IMPORTED_LOCATION ${CMAKE_CURRENT_BINARY_DIR}/testLib2tmp.h)
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# dep_testLib2tmp needs hdr_testLib2tmp
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add_dependencies(dep_testLib2tmp hdr_testLib2tmp)
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# testLib2.h needs dep_testLib2tmp
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add_custom_command(
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OUTPUT testLib2.h
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VERBATIM COMMAND ${CMAKE_COMMAND} -E copy testLib2tmp.h testLib2.h
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DEPENDS dep_testLib2tmp
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)
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# hdr_testLib2 needs testLib2.h
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add_custom_target(hdr_testLib2 DEPENDS testLib2.h)
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add_library(dep_testLib2 UNKNOWN IMPORTED)
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# dep_testLib2 needs hdr_testLib2
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add_dependencies(dep_testLib2 hdr_testLib2)
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# exp_testLib2 and bld_testLib2 both need dep_testLib2
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add_dependencies(bld_testLib2 dep_testLib2)
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add_dependencies(exp_testLib2 dep_testLib2)
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#-----------------------------------------------------------------------------
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# Create a library to be linked by another directory in this project
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# to test transitive linking to otherwise invisible imported targets.
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include_directories(${CMAKE_CURRENT_BINARY_DIR})
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add_library(imp_lib1 STATIC imp_lib1.c)
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target_link_libraries(imp_lib1 exp_testLib2)
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add_library(imp_lib1b STATIC imp_lib1.c)
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target_link_libraries(imp_lib1b bld_testLib2)
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#-----------------------------------------------------------------------------
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# Test that handling imported targets, including transitive dependencies,
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# works in CheckFunctionExists (...and hopefully all other try_compile() checks
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include(CheckFunctionExists)
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unset(HAVE_TESTLIB1_FUNCTION CACHE)
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set(CMAKE_REQUIRED_LIBRARIES exp_testLib2)
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check_function_exists(testLib1 HAVE_TESTLIB1_FUNCTION)
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if (NOT HAVE_TESTLIB1_FUNCTION)
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message(SEND_ERROR "Using imported target testLib2 in check_function_exists() failed !")
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endif()
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#-----------------------------------------------------------------------------
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# Test that dependent imported targets have usable
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# INTERFACE_COMPILE_DEFINITIONS and INTERFACE_INCLUDE_DIRECTORIES
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add_executable(deps_iface deps_iface.c)
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target_link_libraries(deps_iface testLibDepends)
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add_executable(deps_shared_iface deps_shared_iface.cpp)
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target_link_libraries(deps_shared_iface testSharedLibDepends)
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target_compile_definitions(deps_shared_iface
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PRIVATE
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$<$<BOOL:$<TARGET_PROPERTY:POSITION_INDEPENDENT_CODE>>:PIC_PROPERTY_IS_ON>
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$<$<BOOL:$<TARGET_PROPERTY:CUSTOM_PROP>>:CUSTOM_PROPERTY_IS_ON>
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$<$<STREQUAL:$<TARGET_PROPERTY:CUSTOM_STRING>,testcontent>:CUSTOM_STRING_IS_MATCH>
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)
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if(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
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target_compile_definitions(deps_shared_iface
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PRIVATE
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"DO_GNU_TESTS"
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)
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endif()
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if (APPLE OR CMAKE_CXX_COMPILER_ID MATCHES "GNU")
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include(CheckCXXCompilerFlag)
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check_cxx_compiler_flag(-fPIE run_pic_test)
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else()
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if (CMAKE_CXX_COMPILER_ID MATCHES "PGI"
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OR CMAKE_CXX_COMPILER_ID MATCHES "PathScale"
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OR CMAKE_SYSTEM_NAME MATCHES "IRIX64"
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OR CMAKE_CXX_COMPILER_ID MATCHES "Intel")
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set(run_pic_test 0)
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else()
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set(run_pic_test 1)
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endif()
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endif()
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add_executable(exp_renamed_test renamed_test.cpp)
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target_link_libraries(exp_renamed_test exp_renamed)
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add_executable(bld_renamed_test renamed_test.cpp)
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target_link_libraries(bld_renamed_test bld_renamed)
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if (run_pic_test)
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target_compile_definitions(deps_shared_iface PRIVATE CHECK_PIC_WORKS)
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endif()
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#-----------------------------------------------------------------------------
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# Test that targets imported from the build tree have their dependencies
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# evaluated correctly. The above already tests the same for the install tree.
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add_executable(deps_shared_iface2 deps_shared_iface.cpp)
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target_link_libraries(deps_shared_iface2 bld_testSharedLibDepends bld_subdirlib)
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if(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
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target_compile_definitions(deps_shared_iface2
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PRIVATE
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"DO_GNU_TESTS"
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)
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endif()
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target_compile_definitions(deps_shared_iface2
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PRIVATE TEST_SUBDIR_LIB
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$<$<BOOL:$<TARGET_PROPERTY:POSITION_INDEPENDENT_CODE>>:PIC_PROPERTY_IS_ON>
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$<$<BOOL:$<TARGET_PROPERTY:CUSTOM_PROP>>:CUSTOM_PROPERTY_IS_ON>
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$<$<STREQUAL:$<TARGET_PROPERTY:CUSTOM_STRING>,testcontent>:CUSTOM_STRING_IS_MATCH>
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)
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