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equals(TEMPLATE, app):contains(QT, gui(-private)?) {
LIBS *= -L$$[QT_INSTALL_PLUGINS/get]/platforms
lib_name = qios
lib_path_and_base = $$[QT_INSTALL_PLUGINS/get]/platforms/lib$${lib_name}$$qtPlatformTargetSuffix()
LIBS += -l$${lib_name}$$qtPlatformTargetSuffix() $$fromfile($${lib_path_and_base}.prl, QMAKE_PRL_LIBS)
# By marking qt_registerPlatformPlugin as undefined, we ensure that
# the plugin.o translation unit is considered for inclusion in
# the final binary, which in turn ensures that the plugin's
# static initializer is included and run.
QMAKE_LFLAGS += -u _qt_registerPlatformPlugin
# We do link and dependency resolution for the platform plugin
# manually, since we know we always need the plugin, so we don't
# need to generate an import for it.
CONFIG -= import_qpa_plugin
!no_main_wrapper {
# Instead of messing with the user's main function we go the other
# way and change the application entry point to call our main wrapper.
# This entry point is the 'start' symbol, provided by crt1.o, so we
# make a copy of the file and rename the '_main' unresolved symbol
# to our wrapper function, '_qtmn', injecting ourselves into the app
# startup. Once Apple starts shipping the LLVM linker (lld) we may
# get rid of this step completely and just pass -e _qtmn to the
# linker, taking advantage of the new LC_MAIN load command.
# We use xcodebuild to resolve the location of the crt1 object file
# as we know that it lives in the same location as the c library.
c_library_path = $$system("/usr/bin/xcodebuild -sdk $$QMAKE_MAC_SDK -find-library c 2>/dev/null")
# We also know that iOS 3.1 and up uses crt1.3.1.o (technically not
# true for simulator, but the SDK has a symlink to the correct file).
original_crt_path = $$dirname(c_library_path)/crt1.3.1.o
xcode_objects_path = "$(OBJECT_FILE_DIR_$(CURRENT_VARIANT))/$(CURRENT_ARCH)"
custom_crt_filename = "crt1_qt.o"
custom_crt_path = "$$xcode_objects_path/$$custom_crt_filename"
EOC = $$escape_expand(\\n\\t)
create_custom_crt.commands = \
# Copy original crt1 to build directory
"$$QMAKE_COPY_FILE $$original_crt_path $$custom_crt_path $$EOC" \
# And rename all occurrences of _main to _qtmn
"strings -t d - $${custom_crt_path}" \
"| sed -n 's/^\\([0-9]\\{1,\\}\\) _main\$\$/\1/p'" \
"| while read offset; do" \
"printf '_qtmn'" \
"| dd of=$${custom_crt_path} bs=1 seek=\$\$offset conv=notrunc >/dev/null 2>&1" \
"; done"
create_custom_crt.depends = $$original_crt_path
create_custom_crt.target = $$custom_crt_path
preprocess.depends = create_custom_crt
QMAKE_EXTRA_TARGETS += create_custom_crt preprocess
clean_custom_crt.commands = "$$QMAKE_DEL_FILE $$custom_crt_path"
preprocess_clean.depends += clean_custom_crt
QMAKE_EXTRA_TARGETS += clean_custom_crt preprocess_clean
# Prevent usage of new LC_MAIN load command, which skips start/crt1
# and calls main from the loader. We rely on injecting into start.
QMAKE_LFLAGS += -Wl,-no_new_main
# Explicitly link against our modified crt1 object
QMAKE_LFLAGS += -nostartfiles -l$${custom_crt_filename}
# Workaround for QMAKE_PBX_LIBPATHS mangling the Xcode variables
lib_search_path.name = LIBRARY_SEARCH_PATHS
lib_search_path.value = $$xcode_objects_path
QMAKE_MAC_XCODE_SETTINGS += lib_search_path
}
}
load(qt)
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