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make the install location for the generated cmake files configurable

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By default the cmake files are installed to "<prefix>/lib/cmake/cppformat".
This can now be customized using the `FMT_CMAKE_DIR` cache variable.
Valid paths are documented in the cmake manual [1].

e.g., install the cmake files to "<prefix>/share/cmake/cppformat"
```
cmake -DFMT_CMAKE_DIR=share/cmake/cppformat <path-to-source>
```

Tip: Try `make package` to examine the result.

[1] https://cmake.org/cmake/help/v3.0/command/find_package.html
This commit is contained in:
Mario Werner 2016-04-06 09:33:13 +02:00
parent a99891e7a5
commit dcbb6b1e4d
1 changed files with 5 additions and 4 deletions
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9
cppformat/CMakeLists.txt
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@ -45,7 +45,8 @@ endif ()
# Install targets.
if (FMT_INSTALL)
include(CMakePackageConfigHelpers)
set(config_install_dir lib/cmake/cppformat)
set(FMT_CMAKE_DIR lib/cmake/cppformat CACHE STRING
"Installation directory for cmake files, relative to ${CMAKE_INSTALL_PREFIX}.")
set(version_config ${PROJECT_BINARY_DIR}/cppformat-config-version.cmake)
set(project_config ${PROJECT_BINARY_DIR}/cppformat-config.cmake)
set(targets_export_name cppformat-targets)
@ -66,14 +67,14 @@ if (FMT_INSTALL)
configure_package_config_file(
${PROJECT_SOURCE_DIR}/support/cmake/cppformat-config.cmake.in
${project_config}
INSTALL_DESTINATION ${config_install_dir})
INSTALL_DESTINATION ${FMT_CMAKE_DIR})
export(TARGETS ${INSTALL_TARGETS} FILE ${PROJECT_BINARY_DIR}/${targets_export_name}.cmake)
# Install version, config and target files.
install(
FILES ${project_config} ${version_config}
DESTINATION ${config_install_dir})
install(EXPORT ${targets_export_name} DESTINATION ${config_install_dir})
DESTINATION ${FMT_CMAKE_DIR})
install(EXPORT ${targets_export_name} DESTINATION ${FMT_CMAKE_DIR})
# Install the library and headers.
install(TARGETS ${INSTALL_TARGETS} EXPORT ${targets_export_name} DESTINATION ${FMT_LIB_DIR})