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enh: Add option to add installation to CMake’s package registry

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This commit is contained in:
Andreas Schuh 2016-11-24 22:36:48 +00:00
parent 3064f63a6e
commit 3fdddddf7a
2 changed files with 46 additions and 1 deletions
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9
CMakeLists.txt
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@ -164,6 +164,8 @@ gflags_define (BOOL BUILD_TESTING "Enable build of the unit tests a
gflags_define (BOOL INSTALL_HEADERS "Request installation of headers and other development files." ON OFF)
gflags_define (BOOL INSTALL_SHARED_LIBS "Request installation of shared libraries." ON ON)
gflags_define (BOOL INSTALL_STATIC_LIBS "Request installation of static libraries." ON OFF)
gflags_define (BOOL REGISTER_BUILD_DIR "Request entry of build directory in CMake's package registry." OFF OFF)
gflags_define (BOOL REGISTER_INSTALL_PREFIX "Request entry of installed package in CMake's package registry." ON OFF)
gflags_property (BUILD_STATIC_LIBS ADVANCED TRUE)
gflags_property (INSTALL_HEADERS ADVANCED TRUE)
@ -523,7 +525,12 @@ endif ()
# support direct use of build tree
set (INSTALL_PREFIX_REL2CONFIG_DIR .)
export (TARGETS ${TARGETS} FILE "${PROJECT_BINARY_DIR}/${EXPORT_NAME}.cmake")
export (PACKAGE gflags)
if (REGISTER_BUILD_DIR)
export (PACKAGE ${PACKAGE_NAME})
endif ()
if (REGISTER_INSTALL_PREFIX)
register_gflags_package(${CONFIG_INSTALL_DIR})
endif ()
configure_file (cmake/config.cmake.in "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config.cmake" @ONLY)
# ----------------------------------------------------------------------------

38
cmake/utils.cmake
View file

@ -161,3 +161,41 @@ macro (add_gflags_test name expected_rc expected_output unexpected_output cmd)
WORKING_DIRECTORY "${GFLAGS_FLAGFILES_DIR}"
)
endmacro ()
# ------------------------------------------------------------------------------
## Register installed package with CMake
#
# This function adds an entry to the CMake registry for packages with the
# path of the directory where the package configuration file of the installed
# package is located in order to help CMake find the package in a custom
# installation prefix. This differs from CMake's export(PACKAGE) command
# which registers the build directory instead.
function (register_gflags_package CONFIG_DIR)
if (NOT IS_ABSOLUTE "${CONFIG_DIR}")
set (CONFIG_DIR "${CMAKE_INSTALL_PREFIX}/${CONFIG_DIR}")
endif ()
string (MD5 REGISTRY_ENTRY "${CONFIG_DIR}")
if (WIN32)
install (CODE
"execute_process (
COMMAND reg add \"HKCU\\\\Software\\\\Kitware\\\\CMake\\\\Packages\\\\${PACKAGE_NAME}\" /v \"${REGISTRY_ENTRY}\" /d \"${CONFIG_DIR}\" /t REG_SZ /f
RESULT_VARIABLE RT
ERROR_VARIABLE ERR
OUTPUT_QUIET
)
if (RT EQUAL 0)
message (STATUS \"Register: Added HKEY_CURRENT_USER\\\\Software\\\\Kitware\\\\CMake\\\\Packages\\\\${PACKAGE_NAME}\\\\${REGISTRY_ENTRY}\")
else ()
string (STRIP \"\${ERR}\" ERR)
message (STATUS \"Register: Failed to add registry entry: \${ERR}\")
endif ()"
)
elseif (IS_DIRECTORY "$ENV{HOME}")
file (WRITE "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-registry-entry" "${CONFIG_DIR}")
install (
FILES "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-registry-entry"
DESTINATION "$ENV{HOME}/.cmake/packages/${PACKAGE_NAME}"
RENAME "${REGISTRY_ENTRY}"
)
endif ()
endfunction ()