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Some platforms, Apple or Windows for instance, do not require to duplicate static libraries to resolve mutual dependencies. Moreover, Xcode version 15 emits a warning if a library is duplicated. On Windows, enable a better control of libraries order. Fixes: #20722, #25297
28 lines
912 B
CMake
28 lines
912 B
CMake
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enable_language(C)
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# ensure link is successful in case of circular dependency
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add_library(lib1 STATIC lib1.c)
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add_library(lib2 STATIC lib2.c)
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target_link_libraries(lib1 PRIVATE lib2)
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target_link_libraries(lib2 PRIVATE lib1)
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add_executable(main main.c)
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target_link_libraries(main PRIVATE lib1)
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if (APPLE_TEST)
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target_link_options(main PRIVATE "LINKER:-fatal_warnings")
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else()
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target_link_options(main PRIVATE "$<$<AND:$<NOT:$<TARGET_POLICY:CMP0156>>,$<C_COMPILER_ID:AppleClang>,$<VERSION_GREATER_EQUAL:$<C_COMPILER_VERSION>,15.0>>:LINKER:-no_warn_duplicate_libraries>")
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endif()
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add_library(lib3 SHARED lib3.c)
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add_library(lib4 STATIC lib4.c)
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target_link_libraries(lib4 PRIVATE lib3)
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# link specifying a shared library not directly used by the target
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# on Windows, with CMP0156=NEW, lib3 is specified before lib4 on link step
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add_executable(main2 main2.c)
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target_link_libraries(main2 PRIVATE lib3 lib4)
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