cpp-utilities/cmake/modules/3rdParty.cmake

357 lines
16 KiB
CMake
Raw Normal View History

2016-11-10 23:24:09 +01:00
cmake_minimum_required(VERSION 3.3.0 FATAL_ERROR)
2018-02-21 23:00:32 +01:00
# prevent multiple inclusion
2019-02-06 17:30:52 +01:00
if (DEFINED THIRD_PARTY_MODULE_LOADED)
2018-02-21 23:00:32 +01:00
return()
2019-02-06 17:30:52 +01:00
endif ()
2018-02-21 23:00:32 +01:00
set(THIRD_PARTY_MODULE_LOADED YES)
2019-02-06 17:30:52 +01:00
macro (save_default_library_suffixes)
2018-02-21 23:00:32 +01:00
set(DEFAULT_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
2019-02-06 17:30:52 +01:00
endmacro ()
2018-02-21 23:00:32 +01:00
2019-02-06 17:30:52 +01:00
macro (restore_default_library_suffixes)
2018-02-21 23:00:32 +01:00
set(CMAKE_FIND_LIBRARY_SUFFIXES ${DEFAULT_CMAKE_FIND_LIBRARY_SUFFIXES})
unset(DEFAULT_CMAKE_FIND_LIBRARY_SUFFIXES)
2019-02-06 17:30:52 +01:00
endmacro ()
2018-02-21 23:00:32 +01:00
2019-02-06 17:30:52 +01:00
macro (configure_static_library_suffixes)
2018-02-21 23:00:32 +01:00
# allows to look for static libraries in particular
2019-02-06 17:30:52 +01:00
if (WIN32)
2018-02-21 23:00:32 +01:00
set(CMAKE_FIND_LIBRARY_SUFFIXES .a .lib)
2019-02-06 17:30:52 +01:00
else ()
2018-02-21 23:00:32 +01:00
set(CMAKE_FIND_LIBRARY_SUFFIXES .a)
2019-02-06 17:30:52 +01:00
endif ()
endmacro ()
2018-02-21 23:00:32 +01:00
2019-02-06 17:30:52 +01:00
macro (configure_dynamic_library_suffixes)
2018-02-21 23:00:32 +01:00
# allows to look for dynamic libraries in particular
2019-02-06 17:30:52 +01:00
if (WIN32)
2018-02-21 23:00:32 +01:00
set(CMAKE_FIND_LIBRARY_SUFFIXES .dll .dll.a)
2019-02-06 17:30:52 +01:00
elseif (APPLE)
2018-02-21 23:00:32 +01:00
set(CMAKE_FIND_LIBRARY_SUFFIXES .dylib .so)
2019-02-06 17:30:52 +01:00
else ()
2018-02-21 23:00:32 +01:00
set(CMAKE_FIND_LIBRARY_SUFFIXES .so)
2019-02-06 17:30:52 +01:00
endif ()
endmacro ()
2018-02-21 23:00:32 +01:00
2019-02-06 17:30:52 +01:00
macro (link_against_library_varnames
NAME
LINKAGE
REQUIRED
PRIVATE_LIBRARIES_VARNAME
PUBLIC_LIBRARIES_VARNAME
PRIVATE_STATIC_LIBRARIES_VARNAME
PUBLIC_STATIC_LIBRARIES_VARNAME)
# determine whether the library is required or optional FIXME: improve passing required argument
if ("${REQUIRED}" STREQUAL "OPTIONAL")
2018-02-21 23:00:32 +01:00
set(${NAME}_REQUIRED "NO")
2019-02-06 17:30:52 +01:00
elseif ("${REQUIRED}" STREQUAL "REQUIRED")
2018-02-21 23:00:32 +01:00
set(${NAME}_REQUIRED "REQUIRED")
2019-02-06 17:30:52 +01:00
else ()
2018-02-21 23:00:32 +01:00
message(FATAL_ERROR "Invalid use of link_against_library; must specify either REQUIRED or OPTIONAL.")
2019-02-06 17:30:52 +01:00
endif ()
2018-02-21 23:00:32 +01:00
2019-02-06 17:30:52 +01:00
# add library to list of libraries to link against when building dynamic libraries or applications - prefer dynamic lib
# if linkage not explicitely specified
if (${NAME}_STATIC_LIB
AND (("${LINKAGE}" STREQUAL "AUTO_LINKAGE"
AND ((NOT (${NAME}_DYNAMIC_LIB OR ${NAME}_SHARED_LIB))
OR (STATIC_LINKAGE AND "${META_PROJECT_TYPE}" STREQUAL "application")
OR (STATIC_LIBRARY_LINKAGE
AND ("${META_PROJECT_TYPE}" STREQUAL "" OR "${META_PROJECT_TYPE}" STREQUAL "library"))))
OR ("${LINKAGE}" STREQUAL "STATIC")))
2018-02-21 23:00:32 +01:00
set(USE_${NAME} ON)
set(USE_STATIC_${NAME} ON)
list(APPEND LIBRARIES ${${NAME}_STATIC_LIB})
2019-02-06 17:30:52 +01:00
message(
STATUS
"Linking ${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX} statically against external library ${NAME} (${${NAME}_STATIC_LIB})."
)
if (${NAME}_STATIC_INCLUDE_DIR)
2018-02-21 23:00:32 +01:00
list(APPEND ADDITIONAL_STATIC_INCLUDE_DIRS ${${NAME}_STATIC_INCLUDE_DIR})
2019-02-06 17:30:52 +01:00
message(
STATUS
"Adding include path for ${NAME} to ${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX}: ${${NAME}_STATIC_INCLUDE_DIR}"
)
endif ()
if (${NAME}_STATIC_COMPILE_DEFINITIONS)
list(APPEND META_PRIVATE_STATIC_LIB_COMPILE_DEFINITIONS ${${NAME}_STATIC_COMPILE_DEFINITIONS})
2019-02-06 17:30:52 +01:00
endif ()
2019-02-06 17:30:52 +01:00
if (${${NAME}_STATIC_LIB} IN_LIST META_PUBLIC_STATIC_LIB_DEPENDS OR ${NAME} IN_LIST META_PUBLIC_STATIC_LIB_DEPENDS)
2018-02-21 23:00:32 +01:00
list(APPEND ${PUBLIC_LIBRARIES_VARNAME} ${${NAME}_STATIC_LIB})
2019-02-06 17:30:52 +01:00
if (${NAME}_STATIC_INCLUDE_DIR)
2018-02-21 23:00:32 +01:00
list(APPEND PUBLIC_SHARED_INCLUDE_DIRS ${${NAME}_STATIC_INCLUDE_DIR})
2019-02-06 17:30:52 +01:00
endif ()
else ()
2018-02-21 23:00:32 +01:00
list(APPEND ${PRIVATE_LIBRARIES_VARNAME} ${${NAME}_STATIC_LIB})
2019-02-06 17:30:52 +01:00
if (${NAME}_STATIC_INCLUDE_DIR)
2018-02-21 23:00:32 +01:00
list(APPEND PRIVATE_SHARED_INCLUDE_DIRS ${${NAME}_STATIC_INCLUDE_DIR})
2019-02-06 17:30:52 +01:00
endif ()
endif ()
2018-02-21 23:00:32 +01:00
# add Qt resources of static library to be enabled
2019-02-06 17:30:52 +01:00
if (${NAME}_QT_RESOURCES)
2018-02-21 23:00:32 +01:00
message(STATUS "Adding ${${NAME}_QT_RESOURCES} to LIBRARIES_QT_RESOURCES for ${META_PROJECT_NAME}.")
list(APPEND LIBRARIES_QT_RESOURCES ${${NAME}_QT_RESOURCES})
2019-02-06 17:30:52 +01:00
endif ()
2019-02-06 17:30:52 +01:00
elseif ((${NAME}_DYNAMIC_LIB OR ${NAME}_SHARED_LIB)
AND (("${LINKAGE}" STREQUAL "AUTO_LINKAGE") OR ("${LINKAGE}" STREQUAL "SHARED")))
2018-02-21 23:00:32 +01:00
set(USE_${NAME} ON)
set(USE_SHARED_${NAME} ON)
2019-02-06 17:30:52 +01:00
if (NOT ${NAME}_DYNAMIC_LIB)
2018-02-21 23:00:32 +01:00
set(${NAME}_DYNAMIC_LIB ${${NAME}_SHARED_LIB})
2019-02-06 17:30:52 +01:00
endif ()
2018-02-21 23:00:32 +01:00
list(APPEND LIBRARIES ${${NAME}_DYNAMIC_LIB})
2019-02-06 17:30:52 +01:00
message(
STATUS
"Linking ${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX} dynamically against external library ${NAME} (${${NAME}_DYNAMIC_LIB})."
)
if (${NAME}_DYNAMIC_INCLUDE_DIR)
2018-02-21 23:00:32 +01:00
list(APPEND ADDITIONAL_SHARED_INCLUDE_DIRS ${${NAME}_DYNAMIC_INCLUDE_DIR})
2019-02-06 17:30:52 +01:00
message(
STATUS
"Adding include path for ${NAME} to ${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX}: ${${NAME}_DYNAMIC_INCLUDE_DIR}"
)
endif ()
if (${NAME}_DYNAMIC_COMPILE_DEFINITIONS)
list(APPEND META_PRIVATE_SHARED_LIB_COMPILE_DEFINITIONS ${${NAME}_DYNAMIC_COMPILE_DEFINITIONS})
2019-02-06 17:30:52 +01:00
endif ()
2019-02-06 17:30:52 +01:00
if (${${NAME}_DYNAMIC_LIB} IN_LIST META_PUBLIC_SHARED_LIB_DEPENDS OR ${NAME} IN_LIST META_PUBLIC_SHARED_LIB_DEPENDS)
2018-02-21 23:00:32 +01:00
list(APPEND ${PUBLIC_LIBRARIES_VARNAME} ${${NAME}_DYNAMIC_LIB})
2019-02-06 17:30:52 +01:00
if (${NAME}_DYNAMIC_INCLUDE_DIR)
2018-02-21 23:00:32 +01:00
list(APPEND PUBLIC_SHARED_INCLUDE_DIRS ${${NAME}_DYNAMIC_INCLUDE_DIR})
2019-02-06 17:30:52 +01:00
endif ()
else ()
2018-02-21 23:00:32 +01:00
list(APPEND ${PRIVATE_LIBRARIES_VARNAME} ${${NAME}_DYNAMIC_LIB})
2019-02-06 17:30:52 +01:00
if (${NAME}_DYNAMIC_INCLUDE_DIR)
2018-02-21 23:00:32 +01:00
list(APPEND PRIVATE_SHARED_INCLUDE_DIRS ${${NAME}_DYNAMIC_INCLUDE_DIR})
2019-02-06 17:30:52 +01:00
endif ()
endif ()
else ()
if (${NAME}_REQUIRED)
message(
FATAL_ERROR
"External library ${NAME} required by ${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX} is not available for the specified linkage ${LINKAGE}."
)
else ()
message(
WARNING
"External library ${NAME} required by ${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX} is not available for the specified linkage ${LINKAGE}."
)
endif ()
endif ()
2018-02-21 23:00:32 +01:00
2019-02-06 17:30:52 +01:00
# add library to list of libraries to be provided as transitive dependencies when building static libraries - prefer
# static lib if linkage not explicitely specified
if (${NAME}_STATIC_LIB AND ("${LINKAGE}" STREQUAL "AUTO_LINKAGE") OR ("${LINKAGE}" STREQUAL "STATIC"))
2018-02-21 23:00:32 +01:00
set(USE_${NAME} ON)
set(USE_STATIC_${NAME} ON)
list(APPEND STATIC_LIBRARIES ${${NAME}_STATIC_LIB})
2019-02-06 17:30:52 +01:00
message(
STATUS
"Adding static external library ${NAME} (${${NAME}_STATIC_LIB}) to dependencies of ${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX}."
)
if (${NAME}_STATIC_INCLUDE_DIR)
2018-02-21 23:00:32 +01:00
list(APPEND ADDITIONAL_STATIC_INCLUDE_DIRS ${${NAME}_STATIC_INCLUDE_DIR})
2019-02-06 17:30:52 +01:00
message(
STATUS
"Adding include path for ${NAME} to static ${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX}: ${${NAME}_STATIC_INCLUDE_DIR}"
)
endif ()
2019-02-06 17:30:52 +01:00
if (${${NAME}_STATIC_LIB} IN_LIST META_PUBLIC_STATIC_LIB_DEPENDS OR ${NAME} IN_LIST META_PUBLIC_STATIC_LIB_DEPENDS)
2018-02-21 23:00:32 +01:00
list(APPEND ${PUBLIC_STATIC_LIBRARIES_VARNAME} ${${NAME}_STATIC_LIB})
2019-02-06 17:30:52 +01:00
if (${NAME}_STATIC_INCLUDE_DIR)
2018-02-21 23:00:32 +01:00
list(APPEND PUBLIC_STATIC_INCLUDE_DIRS ${${NAME}_STATIC_INCLUDE_DIR})
2019-02-06 17:30:52 +01:00
endif ()
else ()
2018-02-21 23:00:32 +01:00
list(APPEND ${PRIVATE_STATIC_LIBRARIES_VARNAME} ${${NAME}_STATIC_LIB})
2019-02-06 17:30:52 +01:00
if (${NAME}_STATIC_INCLUDE_DIR)
2018-02-21 23:00:32 +01:00
list(APPEND PRIVATE_STATIC_INCLUDE_DIRS ${${NAME}_STATIC_INCLUDE_DIR})
2019-02-06 17:30:52 +01:00
endif ()
endif ()
2016-07-27 18:16:51 +02:00
2018-02-21 23:00:32 +01:00
# add Qt resources of static library for exporting it
2019-02-06 17:30:52 +01:00
if (${NAME}_QT_RESOURCES)
2018-02-21 23:00:32 +01:00
message(STATUS "Adding ${${NAME}_QT_RESOURCES} to STATIC_LIBRARIES_QT_RESOURCES for ${META_PROJECT_NAME}.")
list(APPEND STATIC_LIBRARIES_QT_RESOURCES ${${NAME}_QT_RESOURCES})
2019-02-06 17:30:52 +01:00
endif ()
2019-02-06 17:30:52 +01:00
elseif ((${NAME}_DYNAMIC_LIB OR ${NAME}_SHARED_LIB)
AND (("${LINKAGE}" STREQUAL "AUTO_LINKAGE"
AND (NOT ${NAME}_STATIC_LIB
OR (NOT STATIC_LINKAGE AND "${META_PROJECT_TYPE}" STREQUAL "application")
OR (NOT STATIC_LIBRARY_LINKAGE
AND ("${META_PROJECT_TYPE}" STREQUAL "" OR "${META_PROJECT_TYPE}" STREQUAL "library"))))
OR ("${LINKAGE}" STREQUAL "SHARED")))
2018-02-21 23:00:32 +01:00
set(USE_${NAME} ON)
set(USE_SHARED_${NAME} ON)
2019-02-06 17:30:52 +01:00
if (NOT ${NAME}_DYNAMIC_LIB)
2018-02-21 23:00:32 +01:00
set(${NAME}_DYNAMIC_LIB ${${NAME}_SHARED_LIB})
2019-02-06 17:30:52 +01:00
endif ()
2018-02-21 23:00:32 +01:00
list(APPEND STATIC_LIBRARIES ${${NAME}_DYNAMIC_LIB})
2019-02-06 17:30:52 +01:00
message(
STATUS
"Adding dynamic external library ${NAME} (${${NAME}_DYNAMIC_LIB}) to dependencies of static ${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX}."
)
if (${NAME}_DYNAMIC_INCLUDE_DIR)
2018-02-21 23:00:32 +01:00
list(APPEND ADDITIONAL_SHARED_INCLUDE_DIRS ${${NAME}_DYNAMIC_INCLUDE_DIR})
2019-02-06 17:30:52 +01:00
message(
STATUS
"Adding include path for ${NAME} to static ${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX}: ${${NAME}_DYNAMIC_INCLUDE_DIR}"
)
endif ()
2016-07-27 18:16:51 +02:00
2019-02-06 17:30:52 +01:00
if (${${NAME}_DYNAMIC_LIB} IN_LIST META_PUBLIC_SHARED_LIB_DEPENDS OR ${NAME} IN_LIST META_PUBLIC_SHARED_LIB_DEPENDS)
2018-02-21 23:00:32 +01:00
list(APPEND ${PUBLIC_STATIC_LIBRARIES_VARNAME} ${${NAME}_DYNAMIC_LIB})
2019-02-06 17:30:52 +01:00
if (${NAME}_DYNAMIC_INCLUDE_DIR)
2018-02-21 23:00:32 +01:00
list(APPEND PUBLIC_STATIC_INCLUDE_DIRS ${${NAME}_DYNAMIC_INCLUDE_DIR})
2019-02-06 17:30:52 +01:00
endif ()
else ()
2018-02-21 23:00:32 +01:00
list(APPEND ${PRIVATE_STATIC_LIBRARIES_VARNAME} ${${NAME}_DYNAMIC_LIB})
2019-02-06 17:30:52 +01:00
if (${NAME}_DYNAMIC_INCLUDE_DIR)
2018-02-21 23:00:32 +01:00
list(APPEND PRIVATE_STATIC_INCLUDE_DIRS ${${NAME}_DYNAMIC_INCLUDE_DIR})
2019-02-06 17:30:52 +01:00
endif ()
endif ()
else ()
if (${NAME}_REQUIRED)
message(
FATAL_ERROR
"External library ${NAME} required by ${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX} is not available for the specified linkage ${LINKAGE}."
)
else ()
message(
WARNING
"External library ${NAME} required by ${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX} is not available for the specified linkage ${LINKAGE}."
)
endif ()
endif ()
endmacro ()
2018-02-21 23:00:32 +01:00
2019-02-06 17:30:52 +01:00
macro (link_against_library NAME LINKAGE REQUIRED)
link_against_library_varnames("${NAME}"
"${LINKAGE}"
"${REQUIRED}"
PRIVATE_LIBRARIES
PUBLIC_LIBRARIES
PRIVATE_STATIC_LIBRARIES
PUBLIC_STATIC_LIBRARIES)
endmacro ()
2018-02-21 23:00:32 +01:00
2019-02-06 17:30:52 +01:00
macro (link_tests_against_library NAME LINKAGE REQUIRED)
link_against_library_varnames("${NAME}"
"${LINKAGE}"
"${REQUIRED}"
TEST_LIBRARIES
TEST_LIBRARIES
STATIC_TEST_LIBRARIES
STATIC_TEST_LIBRARIES)
endmacro ()
2018-02-21 23:00:32 +01:00
2019-02-06 17:30:52 +01:00
macro (find_external_library NAME LINKAGE REQUIRED)
2018-02-21 23:00:32 +01:00
set(${NAME}_DYNAMIC_INCLUDE_DIR NOTFOUND CACHE PATH "${NAME} include dir (dynamic)")
set(${NAME}_DYNAMIC_LIB NOTFOUND CACHE FILEPATH "${NAME} lib (dynamic)")
set(${NAME}_STATIC_INCLUDE_DIR NOTFOUND CACHE PATH "${NAME} include dir (static)")
set(${NAME}_STATIC_LIB NOTFOUND CACHE FILEPATH "${NAME} lib (static)")
save_default_library_suffixes()
2019-02-06 17:30:52 +01:00
if (NOT ${NAME}_DYNAMIC_LIB)
2018-02-21 23:00:32 +01:00
configure_dynamic_library_suffixes()
find_library(DETECTED_${NAME}_DYNAMIC_LIB ${NAME})
set(${NAME}_DYNAMIC_LIB ${DETECTED_${NAME}_DYNAMIC_LIB} CACHE FILEPATH "${NAME} lib (dynamic)" FORCE)
2019-02-06 17:30:52 +01:00
endif ()
2017-02-11 02:30:46 +01:00
2019-02-06 17:30:52 +01:00
if (NOT ${NAME}_STATIC_LIB)
2018-02-21 23:00:32 +01:00
configure_static_library_suffixes()
find_library(DETECTED_${NAME}_STATIC_LIB ${NAME})
set(${NAME}_STATIC_LIB ${DETECTED_${NAME}_STATIC_LIB} CACHE FILEPATH "${NAME} lib (static)" FORCE)
2019-02-06 17:30:52 +01:00
endif ()
2018-02-21 23:00:32 +01:00
restore_default_library_suffixes()
2019-02-06 17:30:52 +01:00
endmacro ()
2018-02-21 23:00:32 +01:00
2019-02-06 17:30:52 +01:00
macro (use_external_library NAME LINKAGE REQUIRED)
2018-02-21 23:00:32 +01:00
find_external_library("${NAME}" "${LINKAGE}" "${REQUIRED}")
link_against_library("${NAME}" "${LINKAGE}" "${REQUIRED}")
2019-02-06 17:30:52 +01:00
endmacro ()
2018-02-21 23:00:32 +01:00
2019-02-06 17:30:52 +01:00
function (use_external_library_from_package_dynamic NAME PKGNAME INCLUDE_VAR LIBRARY_VAR COMPAT_VERSION)
2018-02-21 23:00:32 +01:00
# internally used by find_external_library_from_package to find dynamic libraries
configure_dynamic_library_suffixes()
find_package(${PKGNAME} ${COMPAT_VERSION})
set(${NAME}_DYNAMIC_INCLUDE_DIR ${${INCLUDE_VAR}} CACHE PATH "${NAME} include dir (dynamic)" FORCE)
set(${NAME}_DYNAMIC_LIB ${${LIBRARY_VAR}} CACHE FILEPATH "${NAME} lib (dynamic)" FORCE)
2019-02-06 17:30:52 +01:00
endfunction ()
2018-02-21 23:00:32 +01:00
2019-02-06 17:30:52 +01:00
function (use_external_library_from_package_static NAME PKGNAME INCLUDE_VAR LIBRARY_VAR COMPAT_VERSION)
2018-02-21 23:00:32 +01:00
# internally used by find_external_library_from_package to find static libraries
configure_static_library_suffixes()
find_package(${PKGNAME} ${COMPAT_VERSION})
set(${NAME}_STATIC_INCLUDE_DIR ${${INCLUDE_VAR}} CACHE PATH "${NAME} include dir (static)" FORCE)
set(${NAME}_STATIC_LIB ${${LIBRARY_VAR}} CACHE FILEPATH "${NAME} lib (static)" FORCE)
2019-02-06 17:30:52 +01:00
endfunction ()
2018-02-21 23:00:32 +01:00
2019-02-06 17:30:52 +01:00
macro (find_external_library_from_package NAME PKGNAME VERSION INCLUDE_VAR LIBRARY_VAR LINKAGE REQUIRED)
2018-02-21 23:00:32 +01:00
# handle specified VERSION
2019-02-06 17:30:52 +01:00
if ("${VERSION}" STREQUAL "ANY_VERSION")
2018-02-21 23:00:32 +01:00
set(${NAME}_COMPATIBLE_VERSION "")
2019-02-06 17:30:52 +01:00
else ()
2018-02-21 23:00:32 +01:00
set(${NAME}_COMPATIBLE_VERSION ${VERSION})
2019-02-06 17:30:52 +01:00
endif ()
2018-02-21 23:00:32 +01:00
2019-02-06 17:30:52 +01:00
# use the find_library approach first because it is less buggy when trying to detect static libraries caveat: this way
# include dirs are not detected - however those are mostly the default anyways and can also be set manually by the user
# in case the auto-detection is not sufficient
2018-02-21 23:00:32 +01:00
find_external_library("${NAME}" "${LINKAGE}" OPTIONAL)
2019-02-06 17:30:52 +01:00
# fall back to actual use of find_package use separate functions to get a new scope
2018-02-21 23:00:32 +01:00
save_default_library_suffixes()
2019-02-06 17:30:52 +01:00
if (NOT ${NAME}_DYNAMIC_LIB)
use_external_library_from_package_dynamic(${NAME}
${PKGNAME}
${INCLUDE_VAR}
"${LIBRARY_VAR}"
"${${NAME}_COMPATIBLE_VERSION}")
endif ()
if (NOT ${NAME}_STATIC_LIB)
use_external_library_from_package_static(${NAME}
${PKGNAME}
${INCLUDE_VAR}
"${LIBRARY_VAR}"
"${${NAME}_COMPATIBLE_VERSION}")
endif ()
2018-02-21 23:00:32 +01:00
restore_default_library_suffixes()
2019-02-06 17:30:52 +01:00
endmacro ()
2018-02-21 23:00:32 +01:00
2019-02-06 17:30:52 +01:00
macro (use_external_library_from_package NAME PKGNAME VERSION INCLUDE_VAR LIBRARY_VAR LINKAGE REQUIRED)
find_external_library_from_package("${NAME}"
"${PKGNAME}"
"${VERSION}"
"${INCLUDE_VAR}"
"${LIBRARY_VAR}"
"${LINKAGE}"
"${REQUIRED}")
2018-02-21 23:00:32 +01:00
link_against_library("${NAME}" "${LINKAGE}" "${REQUIRED}")
2019-02-06 17:30:52 +01:00
endmacro ()
2018-02-21 23:00:32 +01:00
2019-02-06 17:30:52 +01:00
macro (use_iconv LINKAGE REQUIRED)
set(FORCE_EXTERNAL_ICONV OFF
CACHE PATH "whether to force usage of external iconv (rather than the using the one bundled with glibc)")
if (NOT FORCE_EXTERNAL_ICONV)
2018-02-21 23:00:32 +01:00
# check whether iconv exists in standard lib
include(CheckFunctionExists)
check_function_exists(iconv HAS_ICONV)
2019-02-06 17:30:52 +01:00
endif ()
if (NOT FORCE_EXTERNAL_ICONV AND HAS_ICONV)
2018-02-21 23:00:32 +01:00
message(STATUS "Using iconv from the standard library for ${META_PROJECT_NAME}.")
2019-02-06 17:30:52 +01:00
else ()
2018-02-21 23:00:32 +01:00
# find external iconv library
use_external_library(iconv ${LINKAGE} ${REQUIRED})
2019-02-06 17:30:52 +01:00
endif ()
endmacro ()