mirror of https://github.com/mappu/miqt.git
85 lines
2.6 KiB
Bash
85 lines
2.6 KiB
Bash
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#!/bin/bash
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#
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# android-stub-gen generates a .so that runs an exported function from another
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# so file. This is because Qt for Android always tries to run `main`, but Go's
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# c-shared build mode cannot export a function named `main`.
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set -eu
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# QT_PATH is already pre-set in our docker container environment. Includes trailing slash.
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QT_PATH=${QT_PATH:-/usr/local/Qt-5.15.13/}
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main() {
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if [[ $# -ne 3 ]] ; then
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echo "Usage: android-gen-stub.sh src.so function-name dest.so" >&2
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exit 1
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fi
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local ARG_SOURCE_SOFILE="$1"
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local ARG_FUNCTIONNAME="$2"
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local ARG_DEST_SOFILE="$3"
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local tmpdir=$(mktemp -d)
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trap "rm -r ${tmpdir}" EXIT
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echo "- Using temporary directory: ${tmpdir}"
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echo "- Found Qt path: ${QT_PATH}"
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echo "Generating stub..."
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cat > $tmpdir/miqtstub.cpp <<EOF
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#include <android/log.h>
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#include <dlfcn.h>
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#include <stdlib.h>
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typedef void goMainFunc_t();
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int main(int argc, char** argv) {
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__android_log_print(ANDROID_LOG_VERBOSE, "miqt_stub", "Starting up");
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void* handle = dlopen("$(basename "$ARG_SOURCE_SOFILE")", RTLD_LAZY);
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if (handle == NULL) {
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__android_log_print(ANDROID_LOG_VERBOSE, "miqt_stub", "miqt_stub: null handle opening so: %s", dlerror());
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exit(1);
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}
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void* goMain = dlsym(handle, "${ARG_FUNCTIONNAME}");
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if (goMain == NULL) {
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__android_log_print(ANDROID_LOG_VERBOSE, "miqt_stub", "miqt_stub: null handle looking for function: %s", dlerror());
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exit(1);
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}
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__android_log_print(ANDROID_LOG_VERBOSE, "miqt_stub", "miqt_stub: Found target, calling");
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// Cast to function pointer and call
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goMainFunc_t* f = (goMainFunc_t*)goMain;
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f();
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__android_log_print(ANDROID_LOG_VERBOSE, "miqt_stub", "miqt_stub: Target function returned");
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return 0;
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}
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EOF
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# Compile
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# Link with Qt libraries so that androiddeployqt detects us as being the
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# main shared library
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$CXX -shared \
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-ldl \
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-llog \
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${QT_PATH}plugins/platforms/libplugins_platforms_qtforandroid_arm64-v8a.so \
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${QT_PATH}lib/libQt5Widgets_arm64-v8a.so /usr/local/Qt-5.15.13/lib/libQt5Gui_arm64-v8a.so \
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${QT_PATH}lib/libQt5Core_arm64-v8a.so \
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${QT_PATH}lib/libQt5Svg_arm64-v8a.so \
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${QT_PATH}lib/libQt5AndroidExtras_arm64-v8a.so \
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-fPIC -DQT_WIDGETS_LIB -I${QT_PATH}include/QtWidgets -I${QT_PATH}include/ -I${QT_PATH}include/QtCore -DQT_GUI_LIB -I${QT_PATH}include/QtGui -DQT_CORE_LIB \
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$tmpdir/miqtstub.cpp \
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"-Wl,-soname,$(basename "$ARG_DEST_SOFILE")" \
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-o "$ARG_DEST_SOFILE"
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echo "Done."
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}
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main "$@"
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