qt5base-lts/mkspecs/features/qt.prf
Tor Arne Vestbø f3cd571687 qmake: Link static plugins even in shared Qt builds
It's perfectly possible to create static plugins in an otherwise shared
Qt build, but the logic to import these plugins into applications was
assuming a fully static Qt build. We now handle this more granularly.

Change-Id: Iacfa72f04c7918613b50ca87cf123e7f4c0841d5
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2022-07-25 18:02:37 +02:00

383 lines
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# This avoids spurious errors when a project is explicitly disabled
# due to required Qt modules being missing.
!isEmpty(QMAKE_FAILED_REQUIREMENTS): return()
qtConfig(thread): CONFIG *= thread
#handle defines
win32 {
qtConfig(shared) {
# this variable is read by qmake in qmake/generators/win32/msvc_vcproj.cpp
# function VcprojGenerator::initDeploymentTool()
QMAKE_DLL_PATHS += $$[QT_INSTALL_BINS/get]
}
}
CONFIG(release, debug|release):DEFINES += QT_NO_DEBUG
no_keywords:DEFINES += QT_NO_KEYWORDS
plugin { #Qt plugins
static:DEFINES += QT_STATICPLUGIN
DEFINES += QT_PLUGIN
}
qtestlib {
warning("CONFIG+=qtestlib is deprecated. Use QT+=testlib instead.")
QT += testlib
}
qdbus {
warning("CONFIG+=qdbus is deprecated. Use QT+=dbus instead.")
QT += dbus
}
help {
warning("CONFIG+=help is deprecated. Use QT+=help instead.")
QT += help-private # sic!
}
designer {
warning("CONFIG+=designer is deprecated. Use QT+=designer instead.")
QT += designer
}
uitools {
warning("CONFIG+=uitools is deprecated. Use QT+=uitools instead.")
QT += uitools
}
qaxcontainer {
warning("CONFIG+=qaxcontainer is deprecated. Use QT+=axcontainer instead.")
QT += axcontainer
}
qaxserver {
warning("CONFIG+=qaxserver is deprecated. Use QT+=axserver instead.")
QT += axserver
}
!import_qpa_plugin {
warning("CONFIG-=import_qpa_plugin is deprecated. Use QTPLUGIN.platforms=- instead.")
QTPLUGIN.platforms = -
} else: qpa_minimal_plugin {
warning("CONFIG+=qpa_minimal_plugin is deprecated. Use QTPLUGIN.platforms=qminimal instead.")
QTPLUGIN.platforms = qminimal
}
!force_import_plugins:!contains(TEMPLATE, ".*app"):!if(contains(TEMPLATE, ".*lib"):dll): \
CONFIG -= import_plugins
unix {
contains(QT_CONFIG, no_direct_extern_access): CONFIG += no_direct_extern_access
else:contains(QT_CONFIG, reduce_relocations):!contains(TEMPLATE, .*lib): {
QMAKE_CFLAGS += $$QMAKE_CFLAGS_PIC
QMAKE_CXXFLAGS += $$QMAKE_CFLAGS_PIC
}
}
# qmake variables cannot contain dashes, so normalize the names first
CLEAN_QT = $$replace(QT, -private$, _private)
CLEAN_QT_PRIVATE = $$replace(QT_PRIVATE, -private$, _private)
qt_module_deps = $$CLEAN_QT $$CLEAN_QT_PRIVATE
all_qt_module_deps = $$resolve_depends(qt_module_deps, "QT.", ".depends" ".run_depends")
QTPLUGIN = $$unique($$list($$lower($$QTPLUGIN)))
# Sanitize requested plugins, and add any default plugins
import_plugins {
manualplugs = $$QTPLUGIN # User may specify plugins. Mostly legacy.
autoplugs = # Auto-added plugins.
# First round: explicitly specified modules.
all_plugin_deps = $$all_qt_module_deps
plugin_deps = $$all_plugin_deps
for(ever) {
# Automatically add the default plugins for the linked Qt modules.
for (qtmod, plugin_deps) {
for (ptype, QT.$${qtmod}.plugin_types) {
nptype = $$replace(ptype, [-/], _)
isEmpty(QTPLUGIN.$$nptype) {
for (plug, QT_PLUGINS) {
equals(QT_PLUGIN.$${plug}.TYPE, $$ptype) {
for (dep, QT_PLUGIN.$${plug}.EXTENDS) {
!contains(all_plugin_deps, $$dep) {
plug =
break()
}
}
autoplugs += $$plug
}
}
} else {
plug = $$eval(QTPLUGIN.$$nptype)
!equals(plug, -): \
autoplugs += $$plug
}
}
}
QTPLUGIN = $$manualplugs $$autoplugs
QTPLUGIN = $$unique(QTPLUGIN)
# Obtain the plugins' Qt dependencies ...
plugin_deps =
for (plug, QTPLUGIN): \
plugin_deps += $$eval(QT_PLUGIN.$${plug}.DEPENDS)
plugin_deps = $$resolve_depends(plugin_deps, "QT.", ".depends" ".run_depends")
plugin_deps -= $$all_plugin_deps
isEmpty(plugin_deps): \
break()
# ... and start over if any new Qt modules appeared,
# as these may want to load plugins in turn.
all_plugin_deps += $$plugin_deps
}
extraplugs = $$manualplugs
manualplugs -= $$autoplugs
extraplugs -= $$manualplugs
!isEmpty(extraplugs): \
warning("Redundant entries in QTPLUGIN: $$extraplugs")
}
# Link static plugins
!isEmpty(QTPLUGIN) {
for (plug, QTPLUGIN) {
module_config = $$eval(QT_PLUGIN.$${plug}.module_config)
isEmpty(module_config):!qtConfig(static): \
next() # Compatibility with older modules
!contains(module_config, staticlib): \
next()
plug_class = $$eval(QT_PLUGIN.$${plug}.CLASS_NAME)
!isEmpty(plug_class): \
IMPORT_FILE_CONT += "Q_IMPORT_PLUGIN($$plug_class)"
else: \
warning("Plugin class name could not be determined for plugin '$$plug'.")
plugin_deps = $$eval(QT_PLUGIN.$${plug}.DEPENDS)
plugin_deps = $$resolve_depends(plugin_deps, "QT.", ".depends" ".run_depends")
all_qt_module_deps *= $$plugin_deps
# Check if the plugin is known to Qt. We can use this to determine
# the plugin path. Unknown plugins must rely on the default link path.
plug_type = $$eval(QT_PLUGIN.$${plug}.TYPE)
!isEmpty(plug_type) {
plug_name = $$QMAKE_PREFIX_STATICLIB$${plug}$$qtPlatformTargetSuffix().$$QMAKE_EXTENSION_STATICLIB
plug_path = $$eval(QT_PLUGIN.$${plug}.PATH)
isEmpty(plug_path): \
plug_path = $$[QT_INSTALL_PLUGINS/get]
LIBS += $$plug_path/$$plug_type/$$plug_name
} else {
LIBS += -l$${plug}$$qtPlatformTargetSuffix()
}
}
!isEmpty(IMPORT_FILE_CONT) {
IMPORT_FILE_CONT = \
"// This file is autogenerated by qmake. It imports static plugin classes for" \
"// static plugins specified using QTPLUGIN and QT_PLUGIN_CLASS.<plugin> variables." \
"$${LITERAL_HASH}include <QtPlugin>" \
"$$IMPORT_FILE_CONT"
TARGET_BASENAME = $$lower($$basename(TARGET))
TARGET_BASENAME ~= s/\s/_/g
IMPORT_CPP = $$OUT_PWD/$${TARGET_BASENAME}_plugin_import.cpp
write_file($$IMPORT_CPP, IMPORT_FILE_CONT)|error()
GENERATED_SOURCES += $$IMPORT_CPP
QMAKE_DISTCLEAN += $$IMPORT_CPP
}
}
# target variable, flag source variable
defineTest(qtProcessModuleFlags) {
for(flag, $$2) {
contains(flag, ^-.*): \
$$1 -= $$replace(flag, ^-, )
else: \
$$1 += $$flag
}
export($$1)
}
unset(using_private_headers)
var_sfx =
for(ever) {
# Topological resolution of modules based on their QT.<module>.depends variable
FULL_QT$$var_sfx = $$resolve_depends(CLEAN_QT$$var_sfx, "QT.")
# Finally actually add the modules
unset(BAD_QT)
for(QTLIB, FULL_QT$$var_sfx) {
MODULE_NAME = $$eval(QT.$${QTLIB}.name)
MODULE_MODULE = $$eval(QT.$${QTLIB}.module)
MODULE_INCLUDES = $$eval(QT.$${QTLIB}.includes)
MODULE_LDFLAGS = $$eval(QT.$${QTLIB}.ldflags)
MODULE_LIBS = $$eval(QT.$${QTLIB}.libs)
MODULE_FRAMEWORKS = $$eval(QT.$${QTLIB}.frameworks)
MODULE_USES = $$eval(QT.$${QTLIB}.uses)
MODULE_CONFIG = $$eval(QT.$${QTLIB}.module_config)
isEmpty(MODULE_NAME) {
BAD_QT += $$QTLIB
next()
}
contains(MODULE_CONFIG, internal_module):!isEmpty(MODULE_INCLUDES): \
using_private_headers = true
contains(MODULE_CONFIG, ltcg): \
CONFIG += link_ltcg
qtProcessModuleFlags(CONFIG, QT.$${QTLIB}.CONFIG)
qtProcessModuleFlags(DEFINES, QT.$${QTLIB}.DEFINES)
MODULE_INCLUDES -= $$QMAKE_DEFAULT_INCDIRS
# Add linker flags before lib
LIBS$$var_sfx += $$MODULE_LDFLAGS
# Frameworks shouldn't need include paths, but much code does not use
# module-qualified #includes, so by default we add paths which point
# directly into the frameworks. Private modules have somewhat convoluted
# header paths, so adding them is necessary in every case.
!if(contains(MODULE_CONFIG, lib_bundle):qt_no_framework_direct_includes) \
|contains(MODULE_CONFIG, internal_module): \
INCLUDEPATH *= $$MODULE_INCLUDES
QMAKE_FRAMEWORKPATH *= $$MODULE_FRAMEWORKS
!isEmpty(MODULE_MODULE) {
contains(MODULE_CONFIG, lib_bundle) {
framework = $$MODULE_MODULE
# Linking frameworks by absolute path does not work.
LIBS$$var_sfx += -framework $$framework
} else {
lib_bases = $$MODULE_MODULE$$qtPlatformTargetSuffix()
darwin: lib_bases *= $$MODULE_MODULE
win32|contains(MODULE_CONFIG, staticlib) {
lib_prefix = $$MODULE_LIBS/$$QMAKE_PREFIX_STATICLIB
lib_suffixes = $$QMAKE_EXTENSION_STATICLIB
lib_suffixes *= $$QMAKE_LIB_EXTENSIONS
add_lib_to_pretargetdeps = true
} else {
lib_prefix = $$MODULE_LIBS/$$QMAKE_PREFIX_SHLIB
lib_suffixes = $$QMAKE_EXTENSION_SHLIB
add_lib_to_pretargetdeps = false
}
candidates =
for(lib_base, lib_bases) {
for(lib_suffix, lib_suffixes) {
candidates += $${lib_prefix}$${lib_base}.$${lib_suffix}
}
}
lib =
for(candidate, candidates) {
exists("$$candidate") {
lib = "$$candidate"
break()
}
}
isEmpty(lib): \
lib = $$first(candidates)
$$add_lib_to_pretargetdeps: \
PRE_TARGETDEPS += $$lib
LIBS$$var_sfx += $$lib
}
}
QMAKE_USE$$var_sfx += $$MODULE_USES
}
!isEmpty(BAD_QT):error("Unknown module(s) in QT$$var_sfx: $$replace(BAD_QT, _private$, -private)")
!isEmpty(var_sfx): break()
var_sfx = _PRIVATE
}
!isEmpty(using_private_headers):!no_private_qt_headers_warning:!build_pass {
message("This project is using private headers and will therefore be tied to this specific Qt module build version.")
message("Running this project against other versions of the Qt modules may crash at any arbitrary point.")
message("This is not a bug, but a result of using Qt internals. You have been warned!")
}
!no_qt_rpath:!static:qtConfig(rpath):!qtConfig(static):\
contains(all_qt_module_deps, core) {
relative_qt_rpath:!isEmpty(QMAKE_REL_RPATH_BASE):contains(INSTALLS, target):\
isEmpty(target.files):isEmpty(target.commands):isEmpty(target.extra) {
# NOT the /dev property, as INSTALLS use host paths
QMAKE_RPATHDIR += $$relative_path($$[QT_INSTALL_LIBS], $$qtRelativeRPathBase())
} else {
QMAKE_RPATHDIR += $$[QT_INSTALL_LIBS/dev]
}
}
!isEmpty(QMAKE_LFLAGS_RPATHLINK):!qtConfig(static) {
# -rpath-link is used by the linker to find dependencies of dynamic
# libraries which were NOT specified on the command line.
# This means that paths of direct dependencies (QT & QT_PRIVATE)
# don't need to be listed, unlike their private dependencies' paths.
privdep = $$all_qt_module_deps
privdep -= $$resolve_depends(qt_module_deps, "QT.")
rpaths =
for(dep, privdep): \
rpaths += $$eval(QT.$${dep}.libs)
QMAKE_RPATHLINKDIR *= $$unique(rpaths)
}
# static builds: link qml import plugins into the target.
contains(all_qt_module_deps, qml): \
qtConfig(static):import_plugins:!host_build:!no_import_scan {
exists($$[QT_INSTALL_QML/get]): \
QMLPATHS *= $$[QT_INSTALL_QML/get]
# run qmlimportscanner
qtPrepareLibExecTool(QMLIMPORTSCANNER, qmlimportscanner, , system)
for (QMLPATH, QMLPATHS): \
IMPORTPATHS += -importPath $$system_quote($$QMLPATH)
# add resources to qmlimportscanner
for (RESOURCE, RESOURCES) {
defined($${RESOURCE}.files, var) {
# in case of a "struct", add the struct's files
base = $$RESOURCE.base
for (f, $$RESOURCE.files): SCANNERRESOURCES += "$$base/$$f"
} else {
# if the resource is a file, just add it
SCANNERRESOURCES += $$RESOURCE
}
}
!isEmpty(SCANNERRESOURCES) {
IMPORTPATHS += -qrcFiles
for (RESOURCE, SCANNERRESOURCES): \
IMPORTPATHS += $$absolute_path($$system_quote($$RESOURCE), $$_PRO_FILE_PWD_)
}
# message(run $$QMLIMPORTSCANNER $$_PRO_FILE_PWD_ $$IMPORTPATHS)
JSON = $$system($$QMLIMPORTSCANNER $$system_quote($$_PRO_FILE_PWD_) $$IMPORTPATHS)
parseJson(JSON, IMPORTS)| error("Failed to parse qmlimportscanner output.")
!isEmpty(IMPORTS._KEYS_) {
# add import plugins to LIBS line
for (key, IMPORTS._KEYS_) {
PATH = $$eval(IMPORTS.$${key}.path)
PLUGIN = $$eval(IMPORTS.$${key}.plugin)
!isEmpty(PATH):!isEmpty(PLUGIN): \
LIBS += $$PATH/$$QMAKE_PREFIX_STATICLIB$${PLUGIN}$$qtPlatformTargetSuffix().$$QMAKE_EXTENSION_STATICLIB
}
# create qml_plugin_import.cpp
IMPORT_FILE_CONT = \
"// This file is autogenerated by qmake. It imports static plugin classes for" \
"// static plugins used by QML imports." \
"$${LITERAL_HASH}include <QtPlugin>"
for (key, IMPORTS._KEYS_) {
PLUGIN = $$eval(IMPORTS.$${key}.plugin)
CLASSNAME = $$eval(IMPORTS.$${key}.classname)
!isEmpty(PLUGIN) {
!isEmpty(CLASSNAME) {
!contains(ADDED_IMPORTS, $$PLUGIN) {
ADDED_IMPORTS += $$PLUGIN
IMPORT_FILE_CONT += "Q_IMPORT_PLUGIN($$CLASSNAME)"
}
} else {
error("Plugin $$PLUGIN is missing a classname entry, please add one to the qmldir file.")
}
}
}
TARGET_BASENAME = $$lower($$basename(TARGET))
TARGET_BASENAME ~= s/\s/_/g
QML_IMPORT_CPP = $$OUT_PWD/$${TARGET_BASENAME}_qml_plugin_import.cpp
write_file($$QML_IMPORT_CPP, IMPORT_FILE_CONT)|error()
GENERATED_SOURCES += $$QML_IMPORT_CPP
QMAKE_DISTCLEAN += $$QML_IMPORT_CPP
}
}