[build] A working appimage build

To generate the AppImage the libraries from the host system will
be used (if it worked on my machine it should works on your machine).

All libraries are copied into the AppImage, it should have a size of
something like 100Mio.

.gitignore

@@ -67,6 +67,7 @@ packages/desktop/aegisub.desktop
 packages/desktop/aegisub.desktop.template
 packages/win_installer/vendor
 src/aegisub
+Aegisub/aegisub
 src/libresrc/bitmap.cpp
 src/libresrc/bitmap.h
 src/libresrc/default_config.cpp

Aegisub/.DirIcon

+aegisub-icon.png
\ No newline at end of file

Aegisub/Aegisub.desktop

+[Desktop Entry]
+Version=1.0
+Type=Application
+Name=Aegisub
+Icon=aegisub-icon
+GenericName=Subtitle Editor
+Comment=Create and edit subtitles for film and videos.
+Keywords=subtitles;video;audio;text
+Terminal=false
+Categories=AudioVideo;AudioVideoEditing;
+MimeType=application/x-srt;text/plain;text/x-ass;text/x-microdvd;text/x-ssa;
+StartupNotify=true

Aegisub/AppRun

+#!/bin/sh
+
+SELF_DIR=$(dirname "$0")
+export LD_LIBRARY_PATH="$SELF_DIR/lib"
+exec "$SELF_DIR"/aegisub

Makefile.target

 ifneq (yes, $(INCLUDING_CHILD_MAKEFILES))
-COMMANDS := all install clean distclean test depclean osx-bundle osx-dmg test-automation test-libaegisub style tags
+COMMANDS := all install clean distclean test depclean osx-bundle osx-dmg test-automation test-libaegisub style tags appimage
 .PHONY: $(COMMANDS)
 .DEFAULT_GOAL := all
 
@@ -95,6 +95,11 @@ style:
 tags:
 	./tools/tags.bash
 
+appimage: src/aegisub
+	cp $^ Aegisub/aegisub
+	./tools/copy_libs.bash --exec=Aegisub/aegisub --dest=Aegisub/lib
+	./tools/appimagetool.AppImage Aegisub
+
 # The actual build rules
 .SUFFIXES:
 

configure.ac

@@ -191,8 +191,9 @@ AC_ARG_ENABLE([appimage],
               [AEGISUB_APPIMAGE_ENABLED=no])
 AS_IF([test "x$AEGISUB_APPIMAGE_ENABLED" = "xyes"], [
        AC_MSG_CHECKING([Downloading AppImage creation tool])
-       wget https://github.com/probonopd/AppImageKit/releases/download/continuous/appimagetool-x86_64.AppImage \
+       wget https://github.com/probonopd/AppImageKit/releases/download/continuous/appimagetool-`arch`.AppImage \
            -O tools/appimagetool.AppImage -o config.wget.log
+       chmod 00700 tools/appimagetool.AppImage
        AS_IF([test $? -eq 0 ], [
            AC_MSG_RESULT([done])
         ], [

tools/copy_libs.bash

+#!/bin/bash
+
+EXEC=""
+DEST=""
+
+function print_help {
+cat << EOF
+Usage: $0 --exec=* --dest=* [--help]
+    --help  Display this help message
+    --exec  Specify which dynamic executable to inspect and get the .so files from
+    --dest  In which folder the .so files must be copied
+EOF
+}
+
+for arg in "$@"
+do
+    case $arg in
+        --help|-h)
+            print_help
+            exit
+            ;;
+        --exec=*)
+            EXEC=`echo A$arg | sed -e 's/^A--exec=//g'`
+            ;;
+        --dest=*)
+            DEST=`echo A$arg | sed -e 's/^A--dest=//g'`
+            ;;
+    esac
+done
+
+if test "x$EXEC" = "x" -o "x$DEST" = "x"
+then
+    print_help
+    exit
+fi
+
+ldd "$EXEC" \
+    | awk '$2 = "=>" && $3 { print $1 " " $3 }' 2>&1 \
+    | while read NAME FILE
+do
+    cp $FILE $DEST/`basename $FILE`
+done