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Add CMake imported target for docopt library #159

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Add CMake imported target for docopt library #159

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95faf1f
gitignore CMake build directories
Oct 14, 2022
a820d38
Write CMake config-file package using helper
Oct 14, 2022
1ea7bd5
Add alias target with same Prefix as namespace
Oct 14, 2022
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Write CMake config-file package using helper 
Write our CMake config-file package using the
`configure_package_config_file` function defined in
CMakePackageConfigHelpers.cmake
and export our library in a namespace so that it can be used as an
imported target.
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Eero Aaltonen committed Oct 17, 2022
commit a820d385662d5725a13e3acfe35d00344be53532
16 changes: 13 additions & 3 deletions CMakeLists.txt
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Expand Up @@ -101,9 +101,19 @@ install(FILES ${docopt_HEADERS} DESTINATION include/docopt)

# CMake Package
include(CMakePackageConfigHelpers)
write_basic_package_version_file("${PROJECT_BINARY_DIR}/docopt-config-version.cmake" COMPATIBILITY SameMajorVersion)
install(FILES docopt-config.cmake ${PROJECT_BINARY_DIR}/docopt-config-version.cmake DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/docopt")
install(EXPORT ${export_name} DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/docopt")
set(ConfigPackageLocation "cmake/docopt")
# Unix layout, ref https://cmake.org/cmake/help/latest/command/find_package.html#config-mode-search-procedure
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@eaaltonen eaaltonen Oct 17, 2022

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There's at least two valid choices here, so I'd like to check the project author's preference here:

  • unix layout (current)
  • picking a layout according the current / specified OS.

configure_package_config_file(docopt-config.cmake.in
"${CMAKE_CURRENT_BINARY_DIR}/${ConfigPackageLocation}/docopt-config.cmake"
INSTALL_DESTINATION "${CMAKE_INSTALL_LIBDIR}/${ConfigPackageLocation}")
write_basic_package_version_file("${PROJECT_BINARY_DIR}/${ConfigPackageLocation}/docopt-config-version.cmake"
COMPATIBILITY SameMajorVersion)
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${ConfigPackageLocation}/docopt-config.cmake"
${PROJECT_BINARY_DIR}/${ConfigPackageLocation}/docopt-config-version.cmake
DESTINATION "${CMAKE_INSTALL_LIBDIR}/${ConfigPackageLocation}")
install(EXPORT ${export_name}
DESTINATION "${CMAKE_INSTALL_LIBDIR}/${ConfigPackageLocation}"
NAMESPACE Docopt::)
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@eaaltonen eaaltonen Oct 17, 2022

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Regarding the name:

  • is current Docopt::docopt good
  • should it be Docopt.cpp::docopt
  • something else ?


configure_file(${CMAKE_CURRENT_SOURCE_DIR}/docopt.pc.in ${CMAKE_CURRENT_BINARY_DIR}/docopt.pc @ONLY)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/docopt.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
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4 changes: 4 additions & 0 deletions docopt-config.cmake → docopt-config.cmake.in
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@@ -1 +1,5 @@
@PACKAGE_INIT@

include("${CMAKE_CURRENT_LIST_DIR}/docopt-targets.cmake")

check_required_components(docopt)