Is it possible to use install(TARGETS ...) with targets that are defined in directories added with add_subdirectory?
My use case is, that I want to build e.gg an rpm for g开发者_运维百科test. the gtest project happens to have a CMakeLists.txt without any install statements. I want to build the package without adding those statements to the CMakeLists.txt of gtest.
I have this resulting directory structure:
+ gtest-1.5.0/...
+ CMakeLists.txt
The CMakeLists of gtest-1.5.0 defines libraries like this:
cxx_static_library(gtest "${cxx_strict}" src/gtest-all.cc)
cxx_static_library(gtest_main "${cxx_strict}" src/gtest_main.cc)
target_link_libraries(gtest_main gtest)
now i want to add something like this to my CMakeLists.txt:
add_subdirectory(gtest-1.5.0)
install(TARGETS gtest gtest_main ARCHIVE DESTINATION lib)
but cmake correctly states:
CMake Error at CMakeLists.txt:10 (install):
install TARGETS given target "gtest" which does not exist in this
directory.
Is there a way to do this without patching gtest-1.5.0?
You could try using file install rather than install targets. The downside is that you will have to handle shared and static builds.
install(FILES gtest-1.5.0/gtest_main.so DESTINATION lib)
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