blob: 97c9a66eeb58260134590e0ea98e54396984ece5 [file] [log] [blame]
## 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 ()
# ----------------------------------------------------------------------------
## Configure public header files
function (configure_headers out)
set (tmp)
foreach (src IN LISTS ARGN)
if (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 ()