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c5231ba29e
Package configuration files generated by `configure_package_config_file` set this variable in `@PACKAGE_INIT@` and then use it later. There may be intervening calls to `find_package`, e.g., via `find_dependency`. If the loaded package also used `configure_package_config_file`, it may change the value of `PACKAGE_PREFIX_DIR`. Explicitly save and restore the value to avoid this. Fixes: #25827
44 lines
1.6 KiB
CMake
44 lines
1.6 KiB
CMake
set(CMAKE_INSTALL_DATADIR share)
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include(CMakePackageConfigHelpers)
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file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/pkg_a-config.cmake.in [[
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@PACKAGE_INIT@
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include("@PACKAGE_CMAKE_INSTALL_DATADIR@/pkg_a_included.cmake")
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message(STATUS "Leaving pkg_a-config.cmake with PACKAGE_PREFIX_DIR = ${PACKAGE_PREFIX_DIR}")
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]])
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configure_package_config_file(
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${CMAKE_CURRENT_BINARY_DIR}/pkg_a-config.cmake.in
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${CMAKE_CURRENT_BINARY_DIR}/install_pkg_a/pkg_a-config.cmake
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INSTALL_DESTINATION .
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PATH_VARS CMAKE_INSTALL_DATADIR
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)
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file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/install_pkg_a/share/pkg_a_included.cmake
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[[message(STATUS "Hello from pkg_a")]]
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)
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file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/pkg_b-config.cmake.in [[
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@PACKAGE_INIT@
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include(CMakeFindDependencyMacro)
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message(STATUS "Before find_dependency: PACKAGE_PREFIX_DIR = ${PACKAGE_PREFIX_DIR}")
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find_dependency(pkg_a NO_DEFAULT_PATH
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PATHS "@CMAKE_CURRENT_BINARY_DIR@/install_pkg_a"
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)
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message(STATUS "After find_dependency: PACKAGE_PREFIX_DIR = ${PACKAGE_PREFIX_DIR}")
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include("@PACKAGE_CMAKE_INSTALL_DATADIR@/pkg_b_included.cmake")
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message(STATUS "Leaving pkg_b-config.cmake with PACKAGE_PREFIX_DIR = ${PACKAGE_PREFIX_DIR}")
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]])
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configure_package_config_file(
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${CMAKE_CURRENT_BINARY_DIR}/pkg_b-config.cmake.in
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${CMAKE_CURRENT_BINARY_DIR}/install_pkg_b/pkg_b-config.cmake
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INSTALL_DESTINATION .
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PATH_VARS CMAKE_INSTALL_DATADIR
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)
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file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/install_pkg_b/share/pkg_b_included.cmake
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[[message(STATUS "Hello from pkg_b")]]
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)
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find_package(pkg_b REQUIRED NO_DEFAULT_PATH
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PATHS ${CMAKE_CURRENT_BINARY_DIR}/install_pkg_b
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)
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