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# Finish a preliminary .prl file.
#
# - Replaces occurrences of the build libdir with $$[QT_INSTALL_LIBDIR].
# - Strips version number suffixes from absolute paths, because qmake's lflag
# merging does not handle them correctly.
# - Transforms absolute library paths into link flags
# aka from "/usr/lib/x86_64-linux-gnu/libcups.so" to "-lcups"
# - Replaces Qt absolute framework paths into a combination of -F$$[QT_INSTALL_LIBS] and
# -framework QtFoo
# - Prepends '-l' to values that are not absolute paths, and don't start with either '-l' or
# '-framework'.
#
# This file is to be used in CMake script mode with the following variables set:
# IN_FILE: path to the preliminary .prl file
# OUT_FILE: path to the final .prl file that's going to be installed
# QT_BUILD_LIBDIR: path to Qt's libdir when building (those paths get replaced)
# LIBRARY_SUFFIXES: list of known library extensions, e.g. .so;.a on Linux
# LIBRARY_PREFIXES: list of known library prefies, e.g. the "lib" in "libz" on on Linux
# LINK_LIBRARY_FLAG: flag used to link a shared library to an executable, e.g. -l on UNIX
include("${CMAKE_CURRENT_LIST_DIR}/QtGenerateLibHelpers.cmake")
file(STRINGS "${IN_FILE}" lines)
set(content "")
set(qt_framework_search_path_inserted FALSE)
foreach(line ${lines})
if(line MATCHES "^RCC_OBJECTS = (.*)")
set(rcc_objects ${CMAKE_MATCH_1})
elseif(line MATCHES "^QMAKE_PRL_LIBS_FOR_CMAKE = (.*)")
unset(adjusted_libs)
foreach(lib ${CMAKE_MATCH_1})
if("${lib}" STREQUAL "")
continue()
endif()
if(IS_ABSOLUTE "${lib}")
file(RELATIVE_PATH relative_lib "${QT_BUILD_LIBDIR}" "${lib}")
if(IS_ABSOLUTE "${relative_lib}" OR (relative_lib MATCHES "^\\.\\."))
qt_transform_absolute_library_paths_to_link_flags(lib_with_link_flag "${lib}")
list(APPEND adjusted_libs "${lib_with_link_flag}")
else()
# Transform Qt framework paths into -framework flags.
if(relative_lib MATCHES "^(Qt(.+))\\.framework/")
if(NOT qt_framework_search_path_inserted)
set(qt_framework_search_path_inserted TRUE)
list(APPEND adjusted_libs "-F$$[QT_INSTALL_LIBS]")
endif()
list(APPEND adjusted_libs "-framework" "${CMAKE_MATCH_1}")
else()
qt_strip_library_version_suffix(relative_lib "${relative_lib}")
list(APPEND adjusted_libs "$$[QT_INSTALL_LIBS]/${relative_lib}")
endif()
endif()
else()
if(NOT lib MATCHES "^-l" AND NOT lib MATCHES "^-framework")
string(PREPEND lib "-l")
endif()
list(APPEND adjusted_libs "${lib}")
endif()
endforeach()
if(rcc_objects)
list(APPEND adjusted_libs ${rcc_objects})
endif()
list(JOIN adjusted_libs " " adjusted_libs_for_qmake)
string(APPEND content "QMAKE_PRL_LIBS = ${adjusted_libs_for_qmake}\n")
string(APPEND content "QMAKE_PRL_LIBS_FOR_CMAKE = ${adjusted_libs}\n")
else()
string(APPEND content "${line}\n")
endif()
endforeach()
file(WRITE "${OUT_FILE}" "${content}")
# Read the prl meta file to find out where should the final prl file be placed,
# Copy it there, if the contents hasn't changed.
file(STRINGS "${IN_META_FILE}" lines)
foreach(line ${lines})
if(line MATCHES "^FINAL_PRL_FILE_PATH = (.*)")
set(final_prl_file_path "${CMAKE_MATCH_1}")
configure_file(
"${OUT_FILE}"
"${final_prl_file_path}"
COPYONLY
)
endif()
endforeach()
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