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pkg-config.cmake
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# Copyright (C) 2008-2020 LAAS-CNRS, JRL AIST-CNRS INRIA.
#
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation, either version 3 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program. If not, see <http://www.gnu.org/licenses/>.
include(${CMAKE_CURRENT_LIST_DIR}/shared-library.cmake)
find_package(PkgConfig)
# For CMake >= 3.12, this can be replace by list(JOIN ${${var_in}} ${sep} out)
function(_list_join var_in sep var_out)
if(CMAKE_VERSION VERSION_GREATER 3.12)
list(JOIN ${var_in} ${sep} out)
else()
set(first TRUE)
foreach(el ${${var_in}})
if(first)
set(out "${el}")
set(first FALSE)
else()
set(out "${out}${sep}${el}")
endif()
endforeach()
endif()
set(${var_out}
${out}
PARENT_SCOPE)
endfunction()
# Additional pkg-config variables whose value will be imported during the
# dependency check.
set(PKG_CONFIG_ADDITIONAL_VARIABLES bindir pkglibdir datarootdir pkgdatarootdir
docdir doxygendocdir)
# .rst: .. ifmode:: internal
#
# .. command:: _SETUP_PROJECT_PKG_CONFIG
#
# Prepare pkg-config pc file generation step.
#
# This file will be named ${PROJECT_NAME}.pc, or
# ${CUSTOM_PKG_CONFIG_FILENAME}.pc if it is defined
#
macro(_SETUP_PROJECT_PKG_CONFIG)
# Pkg-config related commands.
set(_PKG_CONFIG_PREFIX
"\${pcfiledir}/../.."
CACHE INTERNAL "")
set(_PKG_CONFIG_EXEC_PREFIX
"${_PKG_CONFIG_PREFIX}"
CACHE INTERNAL "")
set(_PKG_CONFIG_LIBDIR
"${_PKG_CONFIG_PREFIX}/${CMAKE_INSTALL_LIBDIR}"
CACHE INTERNAL "")
set(_PKG_CONFIG_BINDIR
"${_PKG_CONFIG_PREFIX}/${CMAKE_INSTALL_BINDIR}"
CACHE INTERNAL "")
set(_PKG_CONFIG_PKGLIBDIR
"${_PKG_CONFIG_PREFIX}/${CMAKE_INSTALL_PKGLIBDIR}"
CACHE INTERNAL "")
set(_PKG_CONFIG_INCLUDEDIR
"${_PKG_CONFIG_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR}"
CACHE INTERNAL "")
set(_PKG_CONFIG_DATAROOTDIR
"${_PKG_CONFIG_PREFIX}/${CMAKE_INSTALL_DATAROOTDIR}"
CACHE INTERNAL "")
set(_PKG_CONFIG_PKGDATAROOTDIR
"${_PKG_CONFIG_PREFIX}/${CMAKE_INSTALL_DATADIR}"
CACHE INTERNAL "")
if(INSTALL_DOCUMENTATION)
set(_PKG_CONFIG_DOCDIR
"${_PKG_CONFIG_PREFIX}/${CMAKE_INSTALL_DOCDIR}"
CACHE INTERNAL "")
set(_PKG_CONFIG_DOXYGENDOCDIR
"${_PKG_CONFIG_DOCDIR}/doxygen-html"
CACHE INTERNAL "")
else(INSTALL_DOCUMENTATION)
set(_PKG_CONFIG_DOCDIR
""
CACHE INTERNAL "")
set(_PKG_CONFIG_DOXYGENDOCDIR
""
CACHE INTERNAL "")
endif(INSTALL_DOCUMENTATION)
if(DEFINED PROJECT_DEBUG_POSTFIX)
if(DEFINED CMAKE_CONFIGURATION_TYPES)
set(_PKG_CONFIG_PROJECT_NAME_NOPOSTFIX
"${PROJECT_NAME}"
CACHE INTERNAL "")
set(_PKG_CONFIG_PROJECT_NAME
"${PROJECT_NAME}${PKGCONFIG_POSTFIX}"
CACHE INTERNAL "")
else()
set(_PKG_CONFIG_PROJECT_NAME
"${PROJECT_NAME}${PKGCONFIG_POSTFIX}"
CACHE INTERNAL "")
endif()
else()
set(_PKG_CONFIG_PROJECT_NAME
"${PROJECT_NAME}"
CACHE INTERNAL "")
endif()
set(_PKG_CONFIG_DESCRIPTION
"${PROJECT_DESCRIPTION}"
CACHE INTERNAL "")
set(_PKG_CONFIG_URL
"${PROJECT_URL}"
CACHE INTERNAL "")
set(_PKG_CONFIG_VERSION
"${PROJECT_VERSION}"
CACHE INTERNAL "")
set(_PKG_CONFIG_REQUIRES
""
CACHE INTERNAL "")
set(_PKG_CONFIG_REQUIRES_DEBUG
""
CACHE INTERNAL "")
set(_PKG_CONFIG_REQUIRES_OPTIMIZED
""
CACHE INTERNAL "")
set(_PKG_CONFIG_COMPILE_TIME_REQUIRES
""
CACHE INTERNAL "")
set(_PKG_CONFIG_CONFLICTS
""
CACHE INTERNAL "")
set(_PKG_CONFIG_LIBS
""
CACHE INTERNAL "")
set(_PKG_CONFIG_LIBS_DEBUG
"${LIBDIR_KW}\${libdir}"
CACHE INTERNAL "")
set(_PKG_CONFIG_LIBS_OPTIMIZED
"${LIBDIR_KW}\${libdir}"
CACHE INTERNAL "")
set(_PKG_CONFIG_LIBS_PRIVATE
""
CACHE INTERNAL "")
set(_PKG_CONFIG_CFLAGS
"-I\${includedir}"
CACHE INTERNAL "")
set(_PKG_CONFIG_CFLAGS_DEBUG
""
CACHE INTERNAL "")
set(_PKG_CONFIG_CFLAGS_OPTIMIZED
""
CACHE INTERNAL "")
set(_PKG_CONFIG_FILENAME
"${PROJECT_NAME}.pc"
CACHE INTERNAL "")
set(PKG_CONFIG_EXTRA "")
# Where to install the pkg-config file?
set(_PKG_CONFIG_DIR
"${_PKG_CONFIG_LIBDIR}/pkgconfig"
CACHE INTERNAL "")
# Watch variables.
list(
APPEND
LOGGING_WATCHED_VARIABLES
_PKG_CONFIG_FOUND
PKG_CONFIG_EXECUTABLE
_PKG_CONFIG_PREFIX
_PKG_CONFIG_EXEC_PREFIX
_PKG_CONFIG_LIBDIR
_PKG_CONFIG_BINDIR
_PKG_CONFIG_PKGLIBDIR
_PKG_CONFIG_INCLUDEDIR
_PKG_CONFIG_DATAROOTDIR
_PKG_CONFIG_PKGDATAROOTDIR
_PKG_CONFIG_DOCDIR
_PKG_CONFIG_DOXYGENDOCDIR
_PKG_CONFIG_PROJECT_NAME
_PKG_CONFIG_DESCRIPTION
_PKG_CONFIG_URL
_PKG_CONFIG_VERSION
_PKG_CONFIG_REQUIRES
_PKG_CONFIG_REQUIRES_DEBUG
_PKG_CONFIG_REQUIRES_OPTIMIZED
_PKG_CONFIG_COMPILE_TIME_REQUIRES
_PKG_CONFIG_CONFLICTS
_PKG_CONFIG_LIBS
_PKG_CONFIG_LIBS_DEBUG
_PKG_CONFIG_LIBS_OPTIMIZED
_PKG_CONFIG_LIBS_PRIVATE
_PKG_CONFIG_CFLAGS
_PKG_CONFIG_CFLAGS_DEBUG
_PKG_CONFIG_CFLAGS_OPTIMIZED
_PKG_CONFIG_FILENAME
PKG_CONFIG_EXTRA)
endmacro(_SETUP_PROJECT_PKG_CONFIG)
# _SETUP_PROJECT_PKG_CONFIG_FINALIZE_DEBUG
# ----------------------------------
#
# Post-processing of the pkg-config step.
#
# The pkg-config file has to be generated at the end to allow end-user defined
# variables replacement.
#
# This macro adds _PKG_CONFIG_LIBS_DEBUG to _PKG_CONFIG_LIBS and
# _PKGCONFIG_CFLAGS_DEBUG to _PKG_CONFIG_CFLAGS
#
macro(_SETUP_PROJECT_PKG_CONFIG_FINALIZE_DEBUG)
# Setup altered variables
set(TEMP_CFLAGS ${_PKG_CONFIG_CFLAGS})
set(_PKG_CONFIG_CFLAGS "${_PKG_CONFIG_CFLAGS_DEBUG} ${_PKG_CONFIG_CFLAGS}")
set(TEMP_LIBS ${_PKG_CONFIG_LIBS})
set(_PKG_CONFIG_LIBS "${_PKG_CONFIG_LIBS_DEBUG} ${_PKG_CONFIG_LIBS}")
set(TEMP_REQUIRES ${_PKG_CONFIG_REQUIRES})
if(_PKG_CONFIG_REQUIRES_DEBUG)
list(APPEND _PKG_CONFIG_REQUIRES "${_PKG_CONFIG_REQUIRES_DEBUG}")
endif()
_list_join(_PKG_CONFIG_REQUIRES ", " _PKG_CONFIG_REQUIRES_LIST)
configure_file(
"${PROJECT_JRL_CMAKE_MODULE_DIR}/pkg-config.pc.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}${PKGCONFIG_POSTFIX}.pc")
# Restore altered variables
set(_PKG_CONFIG_CFLAGS ${TEMP_CFLAGS})
set(_PKG_CONFIG_LIBS ${TEMP_LIBS})
set(_PKG_CONFIG_REQUIRES ${TEMP_REQUIRES})
install(
FILES "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}${PKGCONFIG_POSTFIX}.pc"
DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig
PERMISSIONS OWNER_READ GROUP_READ WORLD_READ OWNER_WRITE)
endmacro(_SETUP_PROJECT_PKG_CONFIG_FINALIZE_DEBUG)
# _SETUP_PROJECT_PKG_CONFIG_FINALIZE_OPTIMIZED
# ----------------------------------
#
# Post-processing of the pkg-config step.
#
# The pkg-config file has to be generated at the end to allow end-user defined
# variables replacement.
#
# This macro adds _PKG_CONFIG_LIBS_OPTIMIZED to _PKG_CONFIG_LIBS and
# _PKGCONFIG_CFLAGS_OPTIMIZED to _PKG_CONFIG_CFLAGS
#
macro(_SETUP_PROJECT_PKG_CONFIG_FINALIZE_OPTIMIZED)
# Setup altered variables
set(TEMP_PROJECT_NAME ${_PKG_CONFIG_PROJECT_NAME})
set(_PKG_CONFIG_PROJECT_NAME ${_PKG_CONFIG_PROJECT_NAME_NOPOSTFIX})
set(TEMP_CFLAGS ${_PKG_CONFIG_CFLAGS})
set(_PKG_CONFIG_CFLAGS
"${_PKG_CONFIG_CFLAGS_OPTIMIZED} ${_PKG_CONFIG_CFLAGS}")
set(TEMP_LIBS ${_PKG_CONFIG_LIBS})
set(_PKG_CONFIG_LIBS "${_PKG_CONFIG_LIBS_OPTIMIZED} ${_PKG_CONFIG_LIBS}")
set(TEMP_REQUIRES ${_PKG_CONFIG_REQUIRES})
if(_PKG_CONFIG_REQUIRES_OPTIMIZED)
list(APPEND _PKG_CONFIG_REQUIRES "${_PKG_CONFIG_REQUIRES_OPTIMIZED}")
endif()
_list_join(_PKG_CONFIG_REQUIRES ", " _PKG_CONFIG_REQUIRES_LIST)
if(DEFINED CUSTOM_PKG_CONFIG_FILENAME)
set(_PKG_CONFIG_FILENAME
"${CUSTOM_PKG_CONFIG_FILENAME}.pc"
CACHE INTERNAL "")
endif(DEFINED CUSTOM_PKG_CONFIG_FILENAME)
# Generate the pkg-config file.
configure_file("${PROJECT_JRL_CMAKE_MODULE_DIR}/pkg-config.pc.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/${_PKG_CONFIG_FILENAME}")
# Restore altered variables
set(_PKG_CONFIG_PROJECT_NAME ${TEMP_PROJECT_NAME})
set(_PKG_CONFIG_CFLAGS ${TEMP_CFLAGS})
set(_PKG_CONFIG_LIBS ${TEMP_LIBS})
set(_PKG_CONFIG_REQUIRES ${TEMP_REQUIRES})
install(
FILES "${CMAKE_CURRENT_BINARY_DIR}/${_PKG_CONFIG_FILENAME}"
DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig
PERMISSIONS OWNER_READ GROUP_READ WORLD_READ OWNER_WRITE)
endmacro(_SETUP_PROJECT_PKG_CONFIG_FINALIZE_OPTIMIZED)
# _SETUP_PROJECT_PKG_CONFIG_FINALIZE
# ----------------------------------
#
# Post-processing of the pkg-config step.
#
# The pkg-config file has to be generated at the end to allow end-user defined
# variables replacement.
#
macro(_SETUP_PROJECT_PKG_CONFIG_FINALIZE)
# Single build type generator
if(DEFINED CMAKE_BUILD_TYPE)
string(TOLOWER "${CMAKE_BUILD_TYPE}" cmake_build_type)
if(${cmake_build_type} MATCHES debug)
_setup_project_pkg_config_finalize_debug()
else()
_setup_project_pkg_config_finalize_optimized()
endif()
# Multiple build types generator
else()
if(DEFINED PROJECT_DEBUG_POSTFIX)
_setup_project_pkg_config_finalize_debug()
_setup_project_pkg_config_finalize_optimized()
else()
_setup_project_pkg_config_finalize_optimized()
endif()
endif()
endmacro(_SETUP_PROJECT_PKG_CONFIG_FINALIZE)
# _PARSE_PKG_CONFIG_STRING (PKG_CONFIG_STRING _PKG_LIB_NAME_VAR _PKG_PREFIX_VAR
# _PKG_CONFIG_STRING_NOSPACE_VAR)
# ----------------------------------------------------------
#
# Retrieve from the pkg-config string: - the library name, - the prefix used for
# CMake variable names, - a variant without spaces around the operator (if there
# is an operator), as expected by cmake's CHECK_PKG_MODULE. . For instance,
# `my-package > 0.4` results in - _PKG_LIB_NAME_VAR <- my-package -
# _PKG_PREFIX_VAR <- MY_PACKAGE - _PKG_CONFIG_STRING_NOSPACE_VAR <-
# `my-package>0.4` `my-package` results in - _PKG_LIB_NAME_VAR <- my-package -
# _PKG_PREFIX_VAR <- MY_PACKAGE - _PKG_CONFIG_STRING_NOSPACE_VAR <- `my-package`
macro(_PARSE_PKG_CONFIG_STRING PKG_CONFIG_STRING _PKG_LIB_NAME_VAR
_PKG_PREFIX_VAR _PKG_CONFIG_NOSPACE_VAR)
# Decompose the equation
string(REGEX MATCH "([^ ]+)( (>|>=|=|<=|<) (.*))?" _UNUSED
"${PKG_CONFIG_STRING}")
# Reconstruct the equation, without the space around the operator
set(${_PKG_CONFIG_NOSPACE_VAR}
"${CMAKE_MATCH_1}${CMAKE_MATCH_3}${CMAKE_MATCH_4}")
# The left part of the equation is the package name
set(${_PKG_LIB_NAME_VAR} "${CMAKE_MATCH_1}")
# Transform it into a valid variable prefix. 1. replace invalid characters
# into underscores.
string(REGEX REPLACE "[^a-zA-Z0-9]" "_" ${_PKG_PREFIX_VAR}
"${${_PKG_LIB_NAME_VAR}}")
# 1. make it uppercase.
string(TOUPPER "${${_PKG_PREFIX_VAR}}" ${_PKG_PREFIX_VAR})
endmacro()
# ADD_DEPENDENCY(PREFIX P_REQUIRED COMPILE_TIME_ONLY PKGCONFIG_STRING)
# ------------------------------------------------
#
# Check for a dependency using pkg-config. Fail if the package cannot be found.
#
# P_REQUIRED : if set to 1 the package is required, otherwise it consider as
# optional. WARNING for optional package: if the package is detected its compile
# and linking options are still put in the required fields of the generated pc
# file. Indeed from the binary viewpoint the package becomes required.
#
# COMPILE_TIME_ONLY : if set to 1, the package is only requiered at compile time
# and won't appear as a dependency inside the *.pc file.
#
# PKG_CONFIG_STRING : string passed to pkg-config to check the version.
# Typically, this string looks like: ``my-package >= 0.5''
#
macro(ADD_DEPENDENCY P_REQUIRED COMPILE_TIME_ONLY PKG_CONFIG_STRING
PKG_CONFIG_DEBUG_STRING)
_parse_pkg_config_string("${PKG_CONFIG_STRING}" LIBRARY_NAME PREFIX
PKG_CONFIG_STRING_NOSPACE)
if(NOT ${PKG_CONFIG_DEBUG_STRING} STREQUAL "")
_parse_pkg_config_string("${PKG_CONFIG_DEBUG_STRING}" LIBRARY_DEBUG_NAME
${PREFIX}_DEBUG PKG_CONFIG_DEBUG_STRING_NOSPACE)
endif()
# Force redetection each time CMake is launched. Rationale: these values are
# *NEVER* manually set, so information is never lost by overriding them.
# Moreover, changes in the pkg-config files are not seen as long as the cache
# is not destroyed, even if the .pc file is changed. This is a BAD behavior.
set(${PREFIX}_FOUND 0)
if(DEFINED ${PREFIX}_DEBUG)
set(${PREFIX}_DEBUG_FOUND 0)
endif()
# This makes the debug dependency optional when building in release and
# vice-versa, this only applies to single build type generators
set(PP_REQUIRED ${P_REQUIRED}) # Work-around macro limitation
if(DEFINED ${PREFIX}_DEBUG)
set(P_DEBUG_REQUIRED ${P_REQUIRED})
if(${P_REQUIRED})
# Single build type generators
if(DEFINED CMAKE_BUILD_TYPE)
string(TOLOWER "${CMAKE_BUILD_TYPE}" cmake_build_type)
if("${cmake_build_type}" MATCHES "debug")
set(PP_REQUIRED 0)
else()
set(P_DEBUG_REQUIRED 0)
endif()
endif()
endif()
endif()
# Search for the package.
if(${PP_REQUIRED})
message(STATUS "${PKG_CONFIG_STRING} is required.")
pkg_check_modules("${PREFIX}" REQUIRED "${PKG_CONFIG_STRING_NOSPACE}")
else(${PP_REQUIRED})
message(STATUS "${PKG_CONFIG_STRING} is optional.")
pkg_check_modules("${PREFIX}" "${PKG_CONFIG_STRING_NOSPACE}")
endif(${PP_REQUIRED})
# Search for the debug package
if(DEFINED ${PREFIX}_DEBUG)
if(${P_DEBUG_REQUIRED})
message(STATUS "${PKG_CONFIG_DEBUG_STRING} is required")
pkg_check_modules("${PREFIX}_DEBUG" REQUIRED
"${PKG_CONFIG_DEBUG_STRING_NOSPACE}")
else(${P_DEBUG_REQUIRED})
message(STATUS "${PKG_CONFIG_DEBUG_STRING} is optional")
pkg_check_modules("${PREFIX}_DEBUG" "${PKG_CONFIG_DEBUG_STRING_NOSPACE}")
endif(${P_DEBUG_REQUIRED})
endif()
# Fix for ld >= 2.24.90: -l:/some/absolute/path.so is no longer supported. See
# shared-library.cmake.
if(UNIX AND NOT ${LD_VERSION} VERSION_LESS "2.24.90")
string(REPLACE ":/" "/" "${PREFIX}_LIBRARIES" "${${PREFIX}_LIBRARIES}")
string(REPLACE "-l:/" "/" "${PREFIX}_LDFLAGS" "${${PREFIX}_LDFLAGS}")
if(DEFINED ${PREFIX}_DEBUG)
string(REPLACE ":/" "/" "${PREFIX}_DEBUG_LIBRARIES"
"${${PREFIX}_DEBUG_LIBRARIES}")
string(REPLACE "-l:/" "/" "${PREFIX}_DEBUG_LDFLAGS"
"${${PREFIX}_DEBUG_LDFLAGS}")
endif()
endif()
# Watch variables.
list(
APPEND
LOGGING_WATCHED_VARIABLES
${PREFIX}_FOUND
${PREFIX}_LIBRARIES
${PREFIX}_LIBRARY_DIRS
${PREFIX}_LDFLAGS
${PREFIX}_LDFLAGS_OTHER
${PREFIX}_INCLUDE_DIRS
${PREFIX}_CFLAGS
${PREFIX}_CFLAGS_OTHER
${PREFIX}
${PREFIX}_STATIC
${PREFIX}_VERSION
${PREFIX}_PREFIX
${PREFIX}_INCLUDEDIR
${PREFIX}_LIBDIR
${PREFIX}_PKGLIBDIR
${PREFIX}_BINDIR
${PREFIX}_DATAROOTDIR
${PREFIX}_PKGDATAROOTDIR
${PREFIX}_DOCDIR
${PREFIX}_DOXYGENDOCDIR)
if(DEFINED ${PREFIX}_DEBUG)
list(
APPEND
LOGGING_WATCHED_VARIABLES
${PREFIX}_DEBUG_FOUND
${PREFIX}_DEBUG_LIBRARIES
${PREFIX}_DEBUG_LIBRARY_DIRS
${PREFIX}_DEBUG_LDFLAGS
${PREFIX}_DEBUG_LDFLAGS_OTHER
${PREFIX}_DEBUG_INCLUDE_DIRS
${PREFIX}_DEBUG_CFLAGS
${PREFIX}_DEBUG_CFLAGS_OTHER
${PREFIX}_DEBUG
${PREFIX}_DEBUG_STATIC
${PREFIX}_DEBUG_VERSION
${PREFIX}_DEBUG_PREFIX_DEBUG
${PREFIX}_DEBUG_INCLUDEDIR
${PREFIX}_DEBUG_LIBDIR
${PREFIX}_DEBUG_PKGLIBDIR
${PREFIX}_DEBUG_BINDIR
${PREFIX}_DEBUG_DATAROOTDIR
${PREFIX}_DEBUG_PKGDATAROOTDIR
${PREFIX}_DEBUG_DOCDIR
${PREFIX}_DEBUG_DOXYGENDOCDIR)
endif()
# Get the values of additional variables.
foreach(VARIABLE ${PKG_CONFIG_ADDITIONAL_VARIABLES})
# Upper-case version of the variable for CMake variable generation.
string(TOUPPER "${VARIABLE}" "VARIABLE_UC")
execute_process(
COMMAND "${PKG_CONFIG_EXECUTABLE}" "--variable=${VARIABLE}"
"${LIBRARY_NAME}"
OUTPUT_VARIABLE "${PREFIX}_${VARIABLE_UC}"
ERROR_QUIET)
string(REPLACE "\n" "" "${PREFIX}_${VARIABLE_UC}"
"${${PREFIX}_${VARIABLE_UC}}")
# Watch additional variables.
list(APPEND LOGGING_WATCHED_VARIABLES ${PREFIX}_${VARIABLE_UC})
if(DEFINED ${PREFIX}_DEBUG)
execute_process(
COMMAND "${PKG_CONFIG_EXECUTABLE}" "--variable=${VARIABLE}"
"${LIBRARY_DEBUG_NAME}"
OUTPUT_VARIABLE "${PREFIX}_DEBUG_${VARIABLE_UC}"
ERROR_QUIET)
string(REPLACE "\n" "" "${PREFIX}_DEBUG_${VARIABLE_UC}"
"${${PREFIX}_DEBUG_${VARIABLE_UC}}")
list(APPEND LOGGING_WATCHED_VARIABLES ${PREFIX}_DEBUG_${VARIABLE_UC})
endif()
endforeach(VARIABLE)
# FIXME: spaces are replaced by semi-colon by mistakes, revert the change. I
# cannot see why CMake is doing that...
string(REPLACE ";" " " PKG_CONFIG_STRING "${PKG_CONFIG_STRING}")
if(DEFINED ${PREFIX}_DEBUG)
string(REPLACE ";" " " PKG_CONFIG_DEBUG_STRING "${PKG_CONFIG_DEBUG_STRING}")
endif()
if(DEFINED ${PREFIX}_DEBUG)
if(${${PREFIX}_FOUND})
set(PACKAGE_FOUND 1)
elseif(${${PREFIX}_DEBUG_FOUND})
set(PACKAGE_FOUND 1)
else()
set(PACKAGE_FOUND 0)
endif()
else()
if(${${PREFIX}_FOUND})
set(PACKAGE_FOUND 1)
else()
set(PACKAGE_FOUND 0)
endif()
endif()
# Add the package to the dependency list if found and if dependency is
# triggered not only for documentation
if(${PACKAGE_FOUND})
if(NOT ${COMPILE_TIME_ONLY})
if(DEFINED PROJECT_DEBUG_POSTFIX AND DEFINED ${PREFIX}_DEBUG)
_add_to_list_if_not_present(_PKG_CONFIG_REQUIRES_DEBUG
"${PKG_CONFIG_DEBUG_STRING}")
_add_to_list_if_not_present(_PKG_CONFIG_REQUIRES_OPTIMIZED
"${PKG_CONFIG_STRING}")
else()
# Warn the user in case he/she is using alternative libraries for debug
# but no postfix
if(NOT DEFINED PROJECT_DEBUG_POSTFIX AND DEFINED ${PREFIX}_DEBUG)
message(
AUTHOR_WARNING
"You are linking with different libraries in debug mode but the
generated .pc cannot reflect that, it will default to release flags. Consider
setting PROJECT_DEBUG_POSTFIX to generate different libraries and pc files in
debug mode.")
endif()
_add_to_list_if_not_present(_PKG_CONFIG_REQUIRES "${PKG_CONFIG_STRING}")
endif()
else()
_add_to_list_if_not_present(_PKG_CONFIG_COMPILE_TIME_REQUIRES
"${PKG_CONFIG_STRING}")
endif()
endif()
# Add the package to the cmake dependency list if cpack has been included.
# This is likely to disappear when Ubuntu 8.04 will disappear.
if(COMMAND ADD_CMAKE_DEPENDENCY)
add_cmake_dependency(${PKG_CONFIG_STRING})
endif(COMMAND ADD_CMAKE_DEPENDENCY)
if(${${PREFIX}_FOUND})
message(STATUS "Pkg-config module ${LIBRARY_NAME} v${${PREFIX}_VERSION}"
" has been detected with success.")
endif()
if(DEFINED ${PREFIX}_DEBUG AND "${${PREFIX}_DEBUG_FOUND}")
message(
STATUS
"Pkg-config module ${LIBRARY_DEBUG_NAME} v${${PREFIX}_DEBUG_VERSION}"
" has been detected with success.")
endif()
endmacro(ADD_DEPENDENCY)
# .rst: .. ifmode:: internal
#
# .. command:: _GET_PKG_CONFIG_DEBUG_STRING
#
# Used in ADD_*_DEPENDENCY to get the PKG_CONFIG_DEBUG_STRING argument. On
# WIN32, if the string is absent but PROJECT_DEBUG_POSTFIX is set, attempts to
# locate a package matching the PROJECT_DEBUG_POSTFIX for debug builds.
#
macro(_GET_PKG_CONFIG_DEBUG_STRING PKG_CONFIG_STRING)
set(PKG_CONFIG_DEBUG_STRING "")
foreach(ARG ${ARGN})
set(PKG_CONFIG_DEBUG_STRING ${ARG})
endforeach()
if(WIN32
AND DEFINED PROJECT_DEBUG_POSTFIX
AND "${PKG_CONFIG_DEBUG_STRING}" STREQUAL "")
_parse_pkg_config_string("${PKG_CONFIG_STRING}" LIBRARY_NAME PREFIX)
string(REGEX
REPLACE "${LIBRARY_NAME}" "${LIBRARY_NAME}${PROJECT_DEBUG_POSTFIX}"
LIBRARY_NAME "${PKG_CONFIG_STRING}")
pkg_check_modules("${PREFIX}" "${LIBRARY_NAME}")
if(${PREFIX}_FOUND)
set(PKG_CONFIG_DEBUG_STRING "${LIBRARY_NAME}")
endif()
endif()
endmacro(_GET_PKG_CONFIG_DEBUG_STRING)
# .rst: .. ifmode:: import
#
# .. command:: ADD_REQUIRED_DEPENDENCY (PKG_CONFIG_STRING
# PKG_CONFIG_DEBUG_STRING)
#
# Check for a dependency using pkg-config. Fail if the package cannot be found.
#
# :PKG_CONFIG_STRING: string passed to pkg-config to check the version.
# Typically, this string looks like: ``my-package >= 0.5``
#
# :PKG_CONFIG_DEBUG_STRING: (optional) string passed to pkg-config to check the
# version. The package found this way will be used in place of the first
# provided if the build is happening in DEBUG mode. This string might look like:
# ``my-package_d >= 0.5``
#
# An optional argument can be passed to define an alternate PKG_CONFIG_STRING
# for debug builds. It should follow the same rule as PKG_CONFIG_STRING.
#
macro(ADD_REQUIRED_DEPENDENCY PKG_CONFIG_STRING)
list(FIND _PKG_CONFIG_REQUIRES "${PKG_CONFIG_STRING}" _index)
if(${_index} EQUAL -1)
_get_pkg_config_debug_string("${PKG_CONFIG_STRING}" ${ARGN})
add_dependency(1 0 ${PKG_CONFIG_STRING} "${PKG_CONFIG_DEBUG_STRING}")
else()
# Already found
message(STATUS "Package ${PKG_CONFIG_STRING} already found.")
endif()
endmacro(ADD_REQUIRED_DEPENDENCY)
# .rst: .. ifmode:: import
#
# .. command:: ADD_OPTIONAL_DEPENDENCY (PKG_CONFIG_STRING
# PKG_CONFIG_DEBUG_STRING)
#
# Check for a dependency using pkg-config. Quiet if the package cannot be found.
#
# :PKG_CONFIG_STRING: string passed to pkg-config to check the version.
# Typically, this string looks like: ``my-package >= 0.5``
#
# :PKG_CONFIG_DEBUG_STRING: (optional) string passed to pkg-config to check the
# version. The package found this way will be used in place of the first
# provided if the build is happening in DEBUG mode. This string might look like:
# ``my-package_d >= 0.5``
#
# An optional argument can be passed to define an alternate PKG_CONFIG_STRING
# for debug builds. It should follow the same rule as PKG_CONFIG_STRING.
#
macro(ADD_OPTIONAL_DEPENDENCY PKG_CONFIG_STRING)
_get_pkg_config_debug_string("${PKG_CONFIG_STRING}" ${ARGN})
add_dependency(0 0 ${PKG_CONFIG_STRING} "${PKG_CONFIG_DEBUG_STRING}")
endmacro(ADD_OPTIONAL_DEPENDENCY)
# .rst: .. ifmode:: import-advanced
#
# .. command:: ADD_COMPILE_DEPENDENCY (PKGCONFIG_STRING)
#
# Check for a dependency using pkg-config. Fail if the package cannot be found.
# The package won't appear as depency inside the \*.pc file of the PROJECT.
#
# :PKG_CONFIG_STRING: string passed to pkg-config to check the version.
# Typically, this string looks like: ``my-package >= 0.5``
#
# :PKG_CONFIG_DEBUG_STRING: (optional) string passed to pkg-config to check the
# version. The package found this way will be used in place of the first
# provided if the build is happening in DEBUG mode. This string might look
# like: ``my-package_d >= 0.5``
#
macro(ADD_COMPILE_DEPENDENCY PKG_CONFIG_STRING)
_get_pkg_config_debug_string("${PKG_CONFIG_STRING}" ${ARGN})
add_dependency(1 1 ${PKG_CONFIG_STRING} "${PKG_CONFIG_DEBUG_STRING}")
endmacro(ADD_COMPILE_DEPENDENCY)
# .rst: .. ifmode:: import-advanced
#
# .. command:: ADD_DOC_DEPENDENCY (PKGCONFIG_STRING)
#
# Alias for :command:`ADD_COMPILE_DEPENDENCY`
#
macro(ADD_DOC_DEPENDENCY PKG_CONFIG_STRING)
add_compile_dependency(${PKG_CONFIG_STRING})
endmacro(ADD_DOC_DEPENDENCY)
# .rst: .. ifmode:: export
#
# .. command:: PKG_CONFIG_APPEND_LIBRARY_DIR (DIRS)
#
# This macro adds library directories ``DIRS`` in a portable way into the CMake
# file.
#
macro(PKG_CONFIG_APPEND_LIBRARY_DIR DIRS)
foreach(DIR ${DIRS})
if(DIR)
set(_PKG_CONFIG_LIBS
"${_PKG_CONFIG_LIBS} ${LIBDIR_KW}${DIR}"
CACHE INTERNAL "")
endif(DIR)
endforeach(DIR ${DIRS})
endmacro(PKG_CONFIG_APPEND_LIBRARY_DIR DIR)
# .rst: .. ifmode:: export-advanced
#
# .. command:: PKG_CONFIG_APPEND_CFLAGS_DEBUG (FLAGS)
#
# This macro adds ``FLAGS`` in a portable way into the pkg-config file of the
# debug library.
#
# As such the macro fails if ``PROJECT_DEBUG_POSTFIX`` is not set
#
macro(PKG_CONFIG_APPEND_CFLAGS_DEBUG FLAGS)
if(NOT DEFINED PROJECT_DEBUG_POSTFIX)
message(
FATAL_ERROR
"You are trying to use PKG_CONFIG_APPEND_CFLAGS_DEBUG on a package that does not have a debug library"
)
endif()
foreach(FLAG ${FLAGS})
if(FLAG)
set(_PKG_CONFIG_CFLAGS_DEBUG
"${_PKG_CONFIG_CFLAGS_DEBUG} ${FLAG}"
CACHE INTERNAL "")
endif(FLAG)
endforeach(FLAG ${FLAGS})
endmacro(PKG_CONFIG_APPEND_CFLAGS_DEBUG FLAGS)
# .rst: .. ifmode:: export-advanced
#
# .. command:: PKG_CONFIG_APPEND_CFLAGS_OPTIMIZED (FLAGS)
#
# This macro adds ``FLAGS`` in a portable way into the pkg-config file of the
# optimized library.
#
# As such the macro fails if ``PROJECT_DEBUG_POSTFIX`` is not set
#
macro(PKG_CONFIG_APPEND_CFLAGS_OPTIMIZED FLAGS)
if(NOT DEFINED PROJECT_DEBUG_POSTFIX)
message(
FATAL_ERROR
"You are trying to use PKG_CONFIG_APPEND_CFLAGS_OPTIMIZED on a package that does not have a debug library"
)
endif()
foreach(FLAG ${FLAGS})
if(FLAG)
set(_PKG_CONFIG_CFLAGS_OPTIMIZED
"${_PKG_CONFIG_CFLAGS_OPTIMIZED} ${FLAG}"
CACHE INTERNAL "")
endif(FLAG)
endforeach(FLAG ${FLAGS})
endmacro(PKG_CONFIG_APPEND_CFLAGS_OPTIMIZED FLAGS)
# .rst: .. ifmode:: export
#
# .. command:: PKG_CONFIG_APPEND_CFLAGS (FLAGS)
#
# This macro adds ``FLAGS`` in a portable way into the pkg-config file.
#
macro(PKG_CONFIG_APPEND_CFLAGS FLAGS)
foreach(FLAG ${FLAGS})
if(FLAG)
set(_PKG_CONFIG_CFLAGS
"${_PKG_CONFIG_CFLAGS} ${FLAG}"
CACHE INTERNAL "")
endif(FLAG)
endforeach(FLAG ${FLAGS})
endmacro(PKG_CONFIG_APPEND_CFLAGS)
# .rst: .. ifmode:: export-advanced
#
# .. command:: PKG_CONFIG_APPEND_LIBS_RAW (LIBS)
#
# This macro adds raw value ``LIBS`` in the "Libs:" section of the pkg-config
# file.
#
# **Exception for mac OS X**
#
# In addition to the classical static and dynamic libraries (handled like unix
# does), mac systems can link against frameworks. Frameworks are directories
# gathering headers, libraries, shared resources...
#
# The syntax used to link with a framework is particular, hence a filter is
# added to convert the absolute path to a framework (e.g.
# /Path/to/Sample.framework) into the correct flags (-F/Path/to/ -framework
# Sample).
#
macro(PKG_CONFIG_APPEND_LIBS_RAW LIBS)
foreach(LIB ${LIBS})
if(LIB)
if(APPLE AND ${LIB} MATCHES "\\.framework")
get_filename_component(framework_PATH ${LIB} PATH)
get_filename_component(framework_NAME ${LIB} NAME_WE)
set(_PKG_CONFIG_LIBS
"${_PKG_CONFIG_LIBS} -F${framework_PATH} -Wl,-framework,${framework_NAME}"
CACHE INTERNAL "")
else(APPLE AND ${LIB} MATCHES "\\.framework")
set(_PKG_CONFIG_LIBS
"${_PKG_CONFIG_LIBS} ${LIB}"
CACHE INTERNAL "")
endif(APPLE AND ${LIB} MATCHES "\\.framework")
endif(LIB)
endforeach(LIB ${LIBS})
string(REPLACE "\n" "" _PKG_CONFIG_LIBS "${_PKG_CONFIG_LIBS}")
endmacro(PKG_CONFIG_APPEND_LIBS_RAW)
# .rst: .. ifmode:: export
#
# .. command:: PKG_CONFIG_APPEND_LIBS (LIBS)
#
# This macro adds libraries in a portable way into the pkg-config file.
#
# Library prefix and suffix is automatically added.
#
# .. note::
#
# If you use :variable:`PROJECT_DEBUG_POSTFIX`, this covers both debug and
# optimized configurations with the correct name for targets affected by the
# postfix.
#
macro(PKG_CONFIG_APPEND_LIBS LIBS)
foreach(LIB ${LIBS})
if(LIB)
# Check if this project is building this library
if(TARGET ${LIB})
set(LIB_COMPLETE_NAME ${LIB})
# If OUTPUT_NAME property is defined, use this for the library name.
get_property(
OUTPUT_NAME_SET
TARGET ${LIB}
PROPERTY OUTPUT_NAME
SET)
if(OUTPUT_NAME_SET)
get_target_property(OUTPUT_LIB_NAME ${LIB} OUTPUT_NAME)
endif(OUTPUT_NAME_SET)
# If SUFFIX property is defined, use it for defining the library name.
get_property(
SUFFIX_SET
TARGET ${LIB}
PROPERTY SUFFIX
SET)
if(SUFFIX_SET)
get_target_property(LIB_SUFFIX ${LIB} SUFFIX)
endif(SUFFIX_SET)
get_property(
PREFIX_SET
TARGET ${LIB}
PROPERTY PREFIX
SET)
if(PREFIX_SET)
get_target_property(LIB_PREFIX ${LIB} PREFIX)
endif(PREFIX_SET)
if(OUTPUT_NAME_SET)
set(LIB_COMPLETE_NAME ${OUTPUT_LIB_NAME})
else()
set(LIB_COMPLETE_NAME ${LIB_PREFIX}${LIB}${LIB_SUFFIX})
endif()
# Remove lib extension if any
if(UNIX OR APPLE)
string(REPLACE ".so" "" LIB_COMPLETE_NAME ${LIB_COMPLETE_NAME})
string(REPLACE ".dylib" "" LIB_COMPLETE_NAME ${LIB_COMPLETE_NAME})
endif(UNIX OR APPLE)
# Single build type generator
if(DEFINED CMAKE_BUILD_TYPE)
set(_PKG_CONFIG_LIBS
"${_PKG_CONFIG_LIBS} ${LIBINCL_KW}${LIB_COMPLETE_NAME}${PKGCONFIG_POSTFIX}${LIB_EXT}"
CACHE INTERNAL "")
# Multiple build types generator
else()
set(_PKG_CONFIG_LIBS_DEBUG
"${_PKG_CONFIG_LIBS_DEBUG} ${LIBINCL_KW}${LIB_COMPLETE_NAME}${PKGCONFIG_POSTFIX}${LIB_EXT}"
CACHE INTERNAL "")
string(STRIP ${_PKG_CONFIG_LIBS_DEBUG} _PKG_CONFIG_LIBS_DEBUG
)# To address CMP0004
set(_PKG_CONFIG_LIBS_OPTIMIZED
"${_PKG_CONFIG_LIBS_OPTIMIZED} ${LIBINCL_KW}${LIB_COMPLETE_NAME}${LIB_EXT}"
CACHE INTERNAL "")
string(STRIP ${_PKG_CONFIG_LIBS_OPTIMIZED} _PKG_CONFIG_LIBS_OPTIMIZED
)# To address CMP0004
endif()
else()
if(IS_ABSOLUTE ${LIB})
set(_PKG_CONFIG_LIBS
"${_PKG_CONFIG_LIBS} ${LIBINCL_ABSKW}${LIB}"
CACHE INTERNAL "")
else()
set(_PKG_CONFIG_LIBS
"${_PKG_CONFIG_LIBS} ${LIBINCL_KW}${LIB}${LIB_EXT}"
CACHE INTERNAL "")
endif()
string(STRIP ${_PKG_CONFIG_LIBS} _PKG_CONFIG_LIBS) # To address CMP0004
endif()
endif(LIB)
endforeach(LIB ${LIBS})
endmacro(PKG_CONFIG_APPEND_LIBS)
# For internal use only. PKG_CONFIG_USE_LCOMPILE_DEPENDENCY(TARGET DEPENDENCY)
# --------------------------------------------
#
# For user look at PKG_CONFIG_USE_COMPILE_DEPENDENCY
#
# This macro changes the target properties to properly search for headers
# against the required shared libraries when using a dependency detected through
# pkg-config.
#
# I.e. PKG_CONFIG_USE_LCOMPILE_DEPENDENCY(my-binary my-package)
#
macro(PKG_CONFIG_USE_LCOMPILE_DEPENDENCY TARGET PREFIX NO_INCLUDE_SYSTEM)
if(DEFINED ${PREFIX}_DEBUG_FOUND)
foreach(FLAG ${${PREFIX}_DEBUG_CFLAGS_OTHER})
target_compile_options(${TARGET} PUBLIC "$<$<CONFIG:Debug>:${FLAG}>")
endforeach()
foreach(FLAG ${${PREFIX}_CFLAGS_OTHER})
target_compile_options(${TARGET}
PUBLIC "$<$<NOT:$<CONFIG:Debug>>:${FLAG}>")
endforeach()
else()
foreach(FLAG ${${PREFIX}_CFLAGS_OTHER})
target_compile_options(${TARGET} PUBLIC ${FLAG})
endforeach()
endif()
# Include/libraries paths seems to be filtered on Linux, add paths again.
set(SCOPE "PRIVATE")
if(PROJECT_USE_KEYWORD_LINK_LIBRARIES)
set(SCOPE "PUBLIC")
endif()
set(SYSTEM "SYSTEM")
if(NO_INCLUDE_SYSTEM)
set(SYSTEM "")
endif()
target_include_directories(${TARGET} ${SYSTEM} ${SCOPE}
${${PREFIX}_INCLUDE_DIRS})
if(DEFINED ${PREFIX}_DEBUG_FOUND)
target_include_directories(${TARGET} ${SYSTEM} ${SCOPE}
${${PREFIX}_DEBUG_INCLUDE_DIRS})
endif()
endmacro(PKG_CONFIG_USE_LCOMPILE_DEPENDENCY)
macro(_FILTER_LINK_FLAGS TARGET IS_GENERAL IS_DEBUG FLAGS)
foreach(FLAG ${FLAGS})
string(FIND "${FLAG}" "/" STARTS_WITH_SLASH)
string(FIND "${FLAG}" "-" STARTS_WITH_DASH)
if(NOT WIN32 OR (NOT ${STARTS_WITH_DASH} EQUAL 0
AND NOT ${STARTS_WITH_SLASH} EQUAL 0))
if(${IS_GENERAL})
target_link_libraries(${TARGET} ${PUBLIC_KEYWORD} ${FLAG})
elseif(${IS_DEBUG})
target_link_libraries(${TARGET} ${PUBLIC_KEYWORD} debug ${FLAG})
else()
target_link_libraries(${TARGET} ${PUBLIC_KEYWORD} optimized ${FLAG})
endif()
endif()
endforeach()
endmacro()
# Internal use only. _PKG_CONFIG_MANIPULATE_LDFLAGS(TARGET PREFIX CONFIG
# IS_GENERAL IS_DEBUG)
#
macro(_PKG_CONFIG_MANIPULATE_LDFLAGS TARGET PREFIX CONFIG IS_GENERAL IS_DEBUG)
# Make sure we do not override previous flags
get_target_property(LDFLAGS ${TARGET} LINK_FLAGS${CONFIG})
# If there were no previous flags, get rid of the XYFLAGS-NOTFOUND in the
# variables.
if(NOT LDFLAGS)
set(LDFLAGS "")
endif()
# Transform semi-colon seperated list in to space separated list.
foreach(FLAG ${${PREFIX}_LDFLAGS})
set(LDFLAGS "${LDFLAGS} ${FLAG}")
endforeach()
# Update the flags.
set_target_properties(${TARGET} PROPERTIES LINK_FLAGS${CONFIG} "${LDFLAGS}")
_filter_link_flags(${TARGET} ${IS_GENERAL} ${IS_DEBUG} "${${PREFIX}_LDFLAGS}")
_filter_link_flags(${TARGET} ${IS_GENERAL} ${IS_DEBUG}
"${${PREFIX}_LDFLAGS_OTHER}")
endmacro(
_PKG_CONFIG_MANIPULATE_LDFLAGS
TARGET
PREFIX
CONFIG
IS_GENERAL
IS_DEBUG)
# Internal use only. PKG_CONFIG_USE_LLINK_DEPENDENCY(TARGET DEPENDENCY)
# --------------------------------------------
#
# For user look at PKG_CONFIG_USE_LINK_DEPENDENCY
#
# This macro changes the target properties to properly search for the required
# shared libraries when using a dependency detected through pkg-config.
#
# I.e. PKG_CONFIG_USE_LLINK_DEPENDENCY(my-binary my-package)
#
macro(PKG_CONFIG_USE_LLINK_DEPENDENCY TARGET PREFIX)