You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
206 lines
7.7 KiB
206 lines
7.7 KiB
## Utility CMake functions.
|
|
|
|
# ----------------------------------------------------------------------------
|
|
## Convert boolean value to 0 or 1
|
|
macro (bool_to_int VAR)
|
|
if (${VAR})
|
|
set (${VAR} 1)
|
|
else ()
|
|
set (${VAR} 0)
|
|
endif ()
|
|
endmacro ()
|
|
|
|
# ----------------------------------------------------------------------------
|
|
## Extract version numbers from version string
|
|
function (version_numbers version major minor patch)
|
|
if (version MATCHES "([0-9]+)(\\.[0-9]+)?(\\.[0-9]+)?(rc[1-9][0-9]*|[a-z]+)?")
|
|
if (CMAKE_MATCH_1)
|
|
set (_major ${CMAKE_MATCH_1})
|
|
else ()
|
|
set (_major 0)
|
|
endif ()
|
|
if (CMAKE_MATCH_2)
|
|
set (_minor ${CMAKE_MATCH_2})
|
|
string (REGEX REPLACE "^\\." "" _minor "${_minor}")
|
|
else ()
|
|
set (_minor 0)
|
|
endif ()
|
|
if (CMAKE_MATCH_3)
|
|
set (_patch ${CMAKE_MATCH_3})
|
|
string (REGEX REPLACE "^\\." "" _patch "${_patch}")
|
|
else ()
|
|
set (_patch 0)
|
|
endif ()
|
|
else ()
|
|
set (_major 0)
|
|
set (_minor 0)
|
|
set (_patch 0)
|
|
endif ()
|
|
set ("${major}" "${_major}" PARENT_SCOPE)
|
|
set ("${minor}" "${_minor}" PARENT_SCOPE)
|
|
set ("${patch}" "${_patch}" PARENT_SCOPE)
|
|
endfunction ()
|
|
|
|
# ----------------------------------------------------------------------------
|
|
## Determine if cache entry exists
|
|
macro (gflags_is_cached retvar varname)
|
|
if (DEFINED ${varname})
|
|
get_property (${retvar} CACHE ${varname} PROPERTY TYPE SET)
|
|
else ()
|
|
set (${retvar} FALSE)
|
|
endif ()
|
|
endmacro ()
|
|
|
|
# ----------------------------------------------------------------------------
|
|
## Add gflags configuration variable
|
|
#
|
|
# The default value of the (cached) configuration value can be overridden either
|
|
# on the CMake command-line or the super-project by setting the GFLAGS_<varname>
|
|
# variable. When gflags is a subproject of another project (GFLAGS_IS_SUBPROJECT),
|
|
# the variable is not added to the CMake cache. Otherwise it is cached.
|
|
macro (gflags_define type varname docstring default)
|
|
# note that ARGC must be expanded here, as it is not a "real" variable
|
|
# (see the CMake documentation for the macro command)
|
|
if ("${ARGC}" GREATER 5)
|
|
message (FATAL_ERROR "gflags_variable: Too many macro arguments")
|
|
endif ()
|
|
if (NOT DEFINED GFLAGS_${varname})
|
|
if (GFLAGS_IS_SUBPROJECT AND "${ARGC}" EQUAL 5)
|
|
set (GFLAGS_${varname} "${ARGV4}")
|
|
else ()
|
|
set (GFLAGS_${varname} "${default}")
|
|
endif ()
|
|
endif ()
|
|
if (GFLAGS_IS_SUBPROJECT)
|
|
if (NOT DEFINED ${varname})
|
|
set (${varname} "${GFLAGS_${varname}}")
|
|
endif ()
|
|
else ()
|
|
set (${varname} "${GFLAGS_${varname}}" CACHE ${type} "${docstring}")
|
|
endif ()
|
|
endmacro ()
|
|
|
|
# ----------------------------------------------------------------------------
|
|
## Set property of cached gflags configuration variable
|
|
macro (gflags_property varname property value)
|
|
gflags_is_cached (_cached ${varname})
|
|
if (_cached)
|
|
# note that property must be expanded here, as it is not a "real" variable
|
|
# (see the CMake documentation for the macro command)
|
|
if ("${property}" STREQUAL "ADVANCED")
|
|
if (${value})
|
|
mark_as_advanced (FORCE ${varname})
|
|
else ()
|
|
mark_as_advanced (CLEAR ${varname})
|
|
endif ()
|
|
else ()
|
|
set_property (CACHE ${varname} PROPERTY "${property}" "${value}")
|
|
endif ()
|
|
endif ()
|
|
unset (_cached)
|
|
endmacro ()
|
|
|
|
# ----------------------------------------------------------------------------
|
|
## Modify value of gflags configuration variable
|
|
macro (gflags_set varname value)
|
|
gflags_is_cached (_cached ${varname})
|
|
if (_cached)
|
|
set_property (CACHE ${varname} PROPERTY VALUE "${value}")
|
|
else ()
|
|
set (${varname} "${value}")
|
|
endif ()
|
|
unset (_cached)
|
|
endmacro ()
|
|
|
|
# ----------------------------------------------------------------------------
|
|
## Configure public header files
|
|
function (configure_headers out)
|
|
set (tmp)
|
|
foreach (src IN LISTS ARGN)
|
|
if (IS_ABSOLUTE "${src}")
|
|
list (APPEND tmp "${src}")
|
|
elseif (EXISTS "${PROJECT_SOURCE_DIR}/src/${src}.in")
|
|
configure_file ("${PROJECT_SOURCE_DIR}/src/${src}.in" "${PROJECT_BINARY_DIR}/include/${GFLAGS_INCLUDE_DIR}/${src}" @ONLY)
|
|
list (APPEND tmp "${PROJECT_BINARY_DIR}/include/${GFLAGS_INCLUDE_DIR}/${src}")
|
|
else ()
|
|
configure_file ("${PROJECT_SOURCE_DIR}/src/${src}" "${PROJECT_BINARY_DIR}/include/${GFLAGS_INCLUDE_DIR}/${src}" COPYONLY)
|
|
list (APPEND tmp "${PROJECT_BINARY_DIR}/include/${GFLAGS_INCLUDE_DIR}/${src}")
|
|
endif ()
|
|
endforeach ()
|
|
set (${out} "${tmp}" PARENT_SCOPE)
|
|
endfunction ()
|
|
|
|
# ----------------------------------------------------------------------------
|
|
## Configure source files with .in suffix
|
|
function (configure_sources out)
|
|
set (tmp)
|
|
foreach (src IN LISTS ARGN)
|
|
if (src MATCHES ".h$" AND EXISTS "${PROJECT_SOURCE_DIR}/src/${src}.in")
|
|
configure_file ("${PROJECT_SOURCE_DIR}/src/${src}.in" "${PROJECT_BINARY_DIR}/include/${GFLAGS_INCLUDE_DIR}/${src}" @ONLY)
|
|
list (APPEND tmp "${PROJECT_BINARY_DIR}/include/${GFLAGS_INCLUDE_DIR}/${src}")
|
|
else ()
|
|
list (APPEND tmp "${PROJECT_SOURCE_DIR}/src/${src}")
|
|
endif ()
|
|
endforeach ()
|
|
set (${out} "${tmp}" PARENT_SCOPE)
|
|
endfunction ()
|
|
|
|
# ----------------------------------------------------------------------------
|
|
## Add usage test
|
|
#
|
|
# Using PASS_REGULAR_EXPRESSION and FAIL_REGULAR_EXPRESSION would
|
|
# do as well, but CMake/CTest does not allow us to specify an
|
|
# expected exit status. Moreover, the execute_test.cmake script
|
|
# sets environment variables needed by the --fromenv/--tryfromenv tests.
|
|
macro (add_gflags_test name expected_rc expected_output unexpected_output cmd)
|
|
set (args "--test_tmpdir=${PROJECT_BINARY_DIR}/Testing/Temporary"
|
|
"--srcdir=${PROJECT_SOURCE_DIR}/test")
|
|
add_test (
|
|
NAME ${name}
|
|
COMMAND "${CMAKE_COMMAND}" "-DCOMMAND:STRING=$<TARGET_FILE:${cmd}>;${args};${ARGN}"
|
|
"-DEXPECTED_RC:STRING=${expected_rc}"
|
|
"-DEXPECTED_OUTPUT:STRING=${expected_output}"
|
|
"-DUNEXPECTED_OUTPUT:STRING=${unexpected_output}"
|
|
-P "${PROJECT_SOURCE_DIR}/cmake/execute_test.cmake"
|
|
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 ()
|