Add macro to use iconv
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@ -106,6 +106,10 @@ set(META_VERSION_MAJOR 4)
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set(META_VERSION_MINOR 0)
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set(META_VERSION_PATCH 0)
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# find required 3rd party libraries
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include(3rdParty)
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find_iconv(AUTO_LINKAGE REQUIRED)
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# include modules to apply configuration
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include(BasicConfig)
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include(WindowsResources)
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@ -1,52 +1,52 @@
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if(NOT DEFINED EXTERNAL_LIBRARIES_EXISTS)
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set(EXTERNAL_LIBRARIES_EXISTS true)
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macro(use_external_library_from_package NAME VERSION INCLUDE_VAR LIBRARY_VAR LINKAGE REQUIRED)
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# need to set CMAKE_FIND_LIBRARY_SUFFIXES temporarily to be able to find static libs, save the current value to be able to restore
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set(DEFAULT_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
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if(NOT DEFINED FIND_THIRD_PARTY_LIBRARIES_EXISTS)
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set(FIND_THIRD_PARTY_LIBRARIES_EXISTS true)
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# handle arguments VERSION and REQUIRED
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if("${VERSION}" STREQUAL "ANY_VERSION")
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set(${NAME}_COMPATIBLE_VERSION "")
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macro(save_default_library_suffixes)
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set(DEFAULT_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
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endmacro()
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macro(restore_default_library_suffixes)
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set(CMAKE_FIND_LIBRARY_SUFFIXES ${DEFAULT_CMAKE_FIND_LIBRARY_SUFFIXES})
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unset(DEFAULT_CMAKE_FIND_LIBRARY_SUFFIXES)
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endmacro()
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macro(configure_static_library_suffixes)
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# allows to look for static libraries in particular
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if(WIN32)
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set(CMAKE_FIND_LIBRARY_SUFFIXES .a .lib)
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else()
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set(${NAME}_COMPATIBLE_VERSION ${VERSION})
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set(CMAKE_FIND_LIBRARY_SUFFIXES .a)
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endif()
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endmacro()
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macro(configure_dynamic_library_suffixes)
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# allows to look for dynamic libraries in particular
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if(WIN32)
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set(CMAKE_FIND_LIBRARY_SUFFIXES .dll .dll.a)
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else()
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set(CMAKE_FIND_LIBRARY_SUFFIXES .so)
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endif()
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endmacro()
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macro(link_against_library NAME LINKAGE REQUIRED)
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# determine whether the library is required or optional
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if("${REQUIRED}" STREQUAL "OPTIONAL")
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set(${NAME}_REQUIRED "")
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set(${NAME}_REQUIRED "NO")
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elseif("${REQUIRED}" STREQUAL "REQUIRED")
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set(${NAME}_REQUIRED "REQUIRED")
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else()
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message(FATAL_ERROR "Invalid use of use_external_library; must specify either REQUIRED or OPTIONAL.")
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endif()
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# find dynamic library
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if(WIN32)
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set(CMAKE_FIND_LIBRARY_SUFFIXES .so)
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else()
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set(CMAKE_FIND_LIBRARY_SUFFIXES .dll.a .dll)
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endif()
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find_package(${NAME} ${${NAME}_COMPATIBLE_VERSION})
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include_directories(${${INCLUDE_VAR}})
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set(${NAME}_DYNAMIC_LIB ${${LIBRARY_VAR}})
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set(${${LIBRARY_VAR}} "")
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# find static library
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if(WIN32)
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set(CMAKE_FIND_LIBRARY_SUFFIXES .lib .a)
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else()
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set(CMAKE_FIND_LIBRARY_SUFFIXES .a)
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endif()
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find_package(${NAME} ${${NAME}_COMPATIBLE_VERSION})
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set(${NAME}_STATIC_LIB ${${LIBRARY_VAR}})
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# add library to list of libraries to link against when building dynamic libraries or applications
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if(${NAME}_STATIC_LIB AND (("${LINKAGE}" STREQUAL "AUTO_LINKAGE" AND ((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")))
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list(APPEND LIBRARIES ${${NAME}_STATIC_LIB})
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message(STATUS "Linking ${META_PROJECT_NAME} statically against external library ${NAME}.")
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message(STATUS "Linking ${META_PROJECT_NAME} statically against external library ${NAME} (${${NAME}_STATIC_LIB}).")
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elseif(${NAME}_DYNAMIC_LIB AND ("${LINKAGE}" STREQUAL "AUTO_LINKAGE" OR ("${LINKAGE}" STREQUAL "SHARED")))
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list(APPEND LIBRARIES ${${NAME}_DYNAMIC_LIB})
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message(STATUS "Linking ${META_PROJECT_NAME} dynamically against external library ${NAME}.")
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message(STATUS "Linking ${META_PROJECT_NAME} dynamically against external library ${NAME} (${${NAME}_DYNAMIC_LIB}).")
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else()
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if(${REQUIRED})
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if(${NAME}_REQUIRED)
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message(FATAL_ERROR "External library ${NAME} required by ${META_PROJECT_NAME} is not available for the specified linkage ${LINKAGE}.")
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else()
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message(WARNING "External library ${NAME} required by ${META_PROJECT_NAME} is not available for the specified linkage ${LINKAGE}.")
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@ -54,10 +54,55 @@ if(NOT DEFINED EXTERNAL_LIBRARIES_EXISTS)
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endif()
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# add library to list of libraries to be provided as transitive dependencies when building static libraries
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list(APPEND STATIC_LIBRARIES ${${LIBRARY_VAR}})
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list(APPEND STATIC_LIBRARIES ${${NAME}_STATIC_LIB})
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endmacro()
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# restore altered CMAKE_FIND_LIBRARY_SUFFIXES
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set(CMAKE_FIND_LIBRARY_SUFFIXES ${DEFAULT_CMAKE_FIND_LIBRARY_SUFFIXES})
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set(DEFAULT_CMAKE_FIND_LIBRARY_SUFFIXES "")
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macro(use_external_library_from_package NAME VERSION INCLUDE_VAR LIBRARY_VAR LINKAGE REQUIRED)
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save_default_library_suffixes()
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# handle specified VERSION
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if("${VERSION}" STREQUAL "ANY_VERSION")
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set(${NAME}_COMPATIBLE_VERSION "")
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else()
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set(${NAME}_COMPATIBLE_VERSION ${VERSION})
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endif()
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# find dynamic library
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configure_dynamic_library_suffixes()
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find_package(${NAME} ${${NAME}_COMPATIBLE_VERSION})
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include_directories(${${INCLUDE_VAR}})
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set(${NAME}_DYNAMIC_LIB ${${LIBRARY_VAR}})
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unset(${${LIBRARY_VAR}})
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# find static library
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configure_static_library_suffixes()
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find_package(${NAME} ${${NAME}_COMPATIBLE_VERSION})
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set(${NAME}_STATIC_LIB ${${LIBRARY_VAR}})
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link_against_library(${NAME} ${LINKAGE} ${REQUIRED})
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restore_default_library_suffixes()
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endmacro()
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macro(find_iconv LINKAGE REQUIRED)
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# check whether iconv exists in the standard library
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include(CheckFunctionExists)
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check_function_exists(iconv HAS_ICONV)
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if(HAS_ICONV)
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message(STATUS "Using iconv from the standard library for ${META_PROJECT_NAME}.")
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else()
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# find external iconv library
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save_default_library_suffixes()
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configure_dynamic_library_suffixes()
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find_library(ICONV_DYNAMIC_LIB iconv)
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configure_static_library_suffixes()
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find_library(ICONV_STATIC_LIB iconv)
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link_against_library(ICONV ${LINKAGE} ${REQUIRED})
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restore_default_library_suffixes()
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endif()
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endmacro()
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endif()
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@ -1,10 +1,10 @@
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@PACKAGE_INIT@
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set(@META_PROJECT_VARNAME@_HAS_LIBS "@BUILD_SHARED_LIBS@")
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set(@META_PROJECT_VARNAME@_LIBS "@META_PROJECT_NAME@")
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set(@META_PROJECT_VARNAME@_HAS_STATIC_LIBS "@BUILD_STATIC_LIBS@")
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set(@META_PROJECT_VARNAME@_STATIC_LIBS "@META_PROJECT_NAME@.a")
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set(@META_PROJECT_VARNAME@_STATIC_LIBS_DEPENDS @META_LIB_DEPENDS@)
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set(@META_PROJECT_VARNAME@_HAS_SHARED_LIB "@BUILD_SHARED_LIBS@")
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set(@META_PROJECT_VARNAME@_SHARED_LIB "@META_PROJECT_NAME@")
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set(@META_PROJECT_VARNAME@_HAS_STATIC_LIB "@BUILD_STATIC_LIBS@")
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set(@META_PROJECT_VARNAME@_STATIC_LIB "@META_PROJECT_NAME@.a")
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set(@META_PROJECT_VARNAME@_STATIC_LIB_DEPENDS @META_LIB_DEPENDS@)
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set(@META_PROJECT_VARNAME@_INCLUDE_DIRS "@PACKAGE_HEADER_INSTALL_DESTINATION@")
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set(@META_PROJECT_VARNAME@_BIN_DIR "@PACKAGE_BIN_INSTALL_DESTINATION@")
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set(@META_PROJECT_VARNAME@_LIB_DIR "@PACKAGE_LIB_INSTALL_DESTINATION@")
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@ -15,15 +15,17 @@ macro(use_@META_PROJECT_VARNAME@)
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include_directories(BEFORE SYSTEM ${@META_PROJECT_VARNAME@_INCLUDE_DIRS})
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link_directories(${@META_PROJECT_VARNAME@_LIB_DIR})
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# add library to list of libraries to link against when building dynamic libraries or applications
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if(@META_PROJECT_VARNAME@_HAS_STATIC_LIBS AND ((NOT ARGV0 AND ((STATIC_LINKAGE AND "${META_PROJECT_TYPE}" STREQUAL "application") OR (STATIC_LIBRARY_LINKAGE AND ("${META_PROJECT_TYPE}" STREQUAL "" OR "${META_PROJECT_TYPE}" STREQUAL "library")))) OR ("${ARGV0}" STREQUAL "STATIC")))
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list(APPEND LIBRARIES ${@META_PROJECT_VARNAME@_STATIC_LIBS} ${@META_PROJECT_VARNAME@_STATIC_LIBS_DEPENDS})
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elseif(@META_PROJECT_VARNAME@_HAS_LIBS AND (NOT ARGV0 OR ("${ARGV0}" STREQUAL "SHARED")))
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list(APPEND LIBRARIES ${@META_PROJECT_VARNAME@_LIBS})
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if(@META_PROJECT_VARNAME@_HAS_STATIC_LIB AND ((NOT ARGV0 AND ((STATIC_LINKAGE AND "${META_PROJECT_TYPE}" STREQUAL "application") OR (STATIC_LIBRARY_LINKAGE AND ("${META_PROJECT_TYPE}" STREQUAL "" OR "${META_PROJECT_TYPE}" STREQUAL "library")))) OR ("${ARGV0}" STREQUAL "STATIC")))
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list(APPEND LIBRARIES ${@META_PROJECT_VARNAME@_STATIC_LIB} ${@META_PROJECT_VARNAME@_STATIC_LIB_DEPENDS})
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message(STATUS "Linking ${META_PROJECT_NAME} statically against @META_PROJECT_NAME@ (${@META_PROJECT_VARNAME@_STATIC_LIB} ${@META_PROJECT_VARNAME@_STATIC_LIB_DEPENDS}).")
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elseif(@META_PROJECT_VARNAME@_HAS_SHARED_LIB AND (NOT ARGV0 OR ("${ARGV0}" STREQUAL "SHARED")))
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list(APPEND LIBRARIES ${@META_PROJECT_VARNAME@_SHARED_LIB})
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message(STATUS "Linking ${META_PROJECT_NAME} dynamically against @META_PROJECT_NAME@ (${@META_PROJECT_VARNAME@_SHARED_LIB}).")
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else()
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message(ERROR "Specified linkage ${ARGV0} is not available.")
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endif()
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# add library to list of libraries to be provided as transitive dependencies when building static libraries
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list(APPEND STATIC_LIBRARIES ${@META_PROJECT_VARNAME@_STATIC_LIBS} ${@META_PROJECT_VARNAME@_STATIC_LIBS_DEPENDS})
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# add library (including dependencies) to list of libraries to be provided as transitive dependencies when building static libraries
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list(APPEND STATIC_LIBRARIES ${@META_PROJECT_VARNAME@_STATIC_LIB} ${@META_PROJECT_VARNAME@_STATIC_LIB_DEPENDS})
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# make CMake modules of the project available
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list(APPEND CMAKE_MODULE_PATH ${@META_PROJECT_VARNAME@_MODULE_DIRS})
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endmacro()
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