Peter M. Groen / cxxopts

Commit 6e31c227e2fd0677236e1fdf5d6306d9cef256fa

Authored by Anders
Committed by jarro2783
1 parent 531c00b9

Add CMake option CXXOPTS_ENABLE_INSTALL (#195) 

Install targets will not be generated if this option is set to OFF,
which is useful when including it as a bundled dependency of
another project.
Inline Side-by-side
Showing 1 changed file with 32 additions and 29 deletions
CMakeLists.txt
  View file @6e31c22
... ... @@ -36,6 +36,7 @@ enable_testing()
36 36  
37 37 option(CXXOPTS_BUILD_EXAMPLES "Set to ON to build examples" ON)
38 38 option(CXXOPTS_BUILD_TESTS "Set to ON to build tests" ON)
  39 +option(CXXOPTS_ENABLE_INSTALL "Generate the install target" ON)
39 40  
40 41 # request c++11 without gnu extension for the whole project and enable more warnings
41 42 if (CXXOPTS_CXX_STANDARD)
... ... @@ -71,35 +72,37 @@ target_include_directories(cxxopts INTERFACE
71 72 $<INSTALL_INTERFACE:include>
72 73 )
73 74  
74   -include(CMakePackageConfigHelpers)
75   -set(CXXOPTS_CMAKE_DIR "lib/cmake/cxxopts" CACHE STRING
76   - "Installation directory for cmake files, relative to ${CMAKE_INSTALL_PREFIX}.")
77   -set(version_config "${PROJECT_BINARY_DIR}/cxxopts-config-version.cmake")
78   -set(project_config "${PROJECT_BINARY_DIR}/cxxopts-config.cmake")
79   -set(targets_export_name cxxopts-targets)
80   -
81   -# Generate the version, config and target files into the build directory.
82   -write_basic_package_version_file(
83   - ${version_config}
84   - VERSION ${VERSION}
85   - COMPATIBILITY AnyNewerVersion)
86   -configure_package_config_file(
87   - ${PROJECT_SOURCE_DIR}/cxxopts-config.cmake.in
88   - ${project_config}
89   - INSTALL_DESTINATION ${CXXOPTS_CMAKE_DIR})
90   -export(TARGETS cxxopts NAMESPACE cxxopts::
91   - FILE ${PROJECT_BINARY_DIR}/${targets_export_name}.cmake)
92   -
93   -# Install version, config and target files.
94   -install(
95   - FILES ${project_config} ${version_config}
96   - DESTINATION ${CXXOPTS_CMAKE_DIR})
97   -install(EXPORT ${targets_export_name} DESTINATION ${CXXOPTS_CMAKE_DIR}
98   - NAMESPACE cxxopts::)
99   -
100   -# Install the header file and export the target
101   -install(TARGETS cxxopts EXPORT ${targets_export_name} DESTINATION lib)
102   -install(FILES ${PROJECT_SOURCE_DIR}/include/cxxopts.hpp DESTINATION include)
  75 +if(CXXOPTS_ENABLE_INSTALL)
  76 + include(CMakePackageConfigHelpers)
  77 + set(CXXOPTS_CMAKE_DIR "lib/cmake/cxxopts" CACHE STRING
  78 + "Installation directory for cmake files, relative to ${CMAKE_INSTALL_PREFIX}.")
  79 + set(version_config "${PROJECT_BINARY_DIR}/cxxopts-config-version.cmake")
  80 + set(project_config "${PROJECT_BINARY_DIR}/cxxopts-config.cmake")
  81 + set(targets_export_name cxxopts-targets)
  82 +
  83 + # Generate the version, config and target files into the build directory.
  84 + write_basic_package_version_file(
  85 + ${version_config}
  86 + VERSION ${VERSION}
  87 + COMPATIBILITY AnyNewerVersion)
  88 + configure_package_config_file(
  89 + ${PROJECT_SOURCE_DIR}/cxxopts-config.cmake.in
  90 + ${project_config}
  91 + INSTALL_DESTINATION ${CXXOPTS_CMAKE_DIR})
  92 + export(TARGETS cxxopts NAMESPACE cxxopts::
  93 + FILE ${PROJECT_BINARY_DIR}/${targets_export_name}.cmake)
  94 +
  95 + # Install version, config and target files.
  96 + install(
  97 + FILES ${project_config} ${version_config}
  98 + DESTINATION ${CXXOPTS_CMAKE_DIR})
  99 + install(EXPORT ${targets_export_name} DESTINATION ${CXXOPTS_CMAKE_DIR}
  100 + NAMESPACE cxxopts::)
  101 +
  102 + # Install the header file and export the target
  103 + install(TARGETS cxxopts EXPORT ${targets_export_name} DESTINATION lib)
  104 + install(FILES ${PROJECT_SOURCE_DIR}/include/cxxopts.hpp DESTINATION include)
  105 +endif()
103 106  
104 107 add_subdirectory(src)
105 108 add_subdirectory(test)
... ...