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86 lines
4.2 KiB
Plaintext
86 lines
4.2 KiB
Plaintext
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*********************
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** LINUX **
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*********************
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See build/build-applecommander-linux-gtk for the script which builds
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an executable of AppleCommander. The build/build-swt-linux-gtk script
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builds the SWT swt.so file.
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**********************
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** WINDOWS **
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**********************
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Building AppleCommander for Windows using MinGW (2.0.3 with GCJ update to 3.3).
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See build/build-applecommander-mingw for the current script.
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1. Export to the filesystem AppleCommander/src/com directory tree into the build
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directory.
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2. Using MinGW, date related support classes are not compiled in. This is a known
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issue and there is a suggested work-around posted here:
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http://gcc.gnu.org/ml/java/2002-04/msg00180.html
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Basically, force a reference to the classes which cause the error - the problem
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lies in classes loaded by reflection, so this forces these classes to be
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compiled in. The suggested prelude is:
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// static references to these classes ensure that the linker will include them
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private static Class c1 = gnu.java.locale.Calendar.class;
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private static Class c2 = java.util.GregorianCalendar.class;
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private static Class c3 = gnu.gcj.convert.Input_ASCII.class;
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private static Class c4 = gnu.gcj.convert.Input_UTF8.class;
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private static Class c5 = gnu.gcj.convert.Input_8859_1.class;
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private static Class c6 = gnu.java.locale.LocaleInformation.class;
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private static Class c7 = gnu.gcj.convert.Output_ASCII.class;
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Presumably, this is just needed in one class - probably the class which contains
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the main method. I am currently pasting this into AppleCommander.java itself.
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A better solution would be to do this automatically...
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3. Place a copy of the AppleCommander JAR file in the build directory - name it
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AppleCommander.jar.
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4. Copy swt.jar, libswt.a, and swt-win32-*.dll into the build directory.
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(Check at http://www.thisiscool.com/gcc_mingw.htm and grab a copy.)
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5. Ensure that UPX is on the path. You will need to set this manually.
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I placed UPX in C:\UPX - so I use the following command:
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export PATH=$PATH:/c/UPX
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5. Run build-applecommander-mingw script from MinGW in the build directory.
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6. Distribution consists of smallest executable plus the SWT DLL file.
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*************************
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** MISCELLANEOUS NOTES **
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*************************
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Update #1:
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GraphicsFilter was reengineered to accomodate GCJ. GCJ is not quite JDK 1.4 compliant
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and is obviously not a SUN JDK. The image creation and saving responsibility was moved
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into subclasses of AppleImage. AppleImage itself functions as a factory and tries to
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instantiate possible AppleImage classes via Reflection - this allows code to be compiled
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without patching the code. When building with GCJ, the AppleImage classes that do not
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apply are simply not compiled nor linked into the executable.
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Update #2:
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Resources can be compiled/attached to a specific Java class. AppleCommander has
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a number of resources that should be built into the exe class. This simplifies
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the distribution to be the AppleCommander executable and the SWT support DLL.
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See the AppleCommander build script for details.
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Update #3:
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UPX is a very good compression tool for executables. It should be standard practice
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(and part of the automated build process) to run the final EXE and DLL files through
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UPX to ensure a small filesize. This has been incorporated into the AppleCommander
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build script but you may want to review how it is built in as detection can be funky.
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Update #4:
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There are speed issues with the compiled version of AppleCommander which appear to
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be releated to GCJ 3.2 but do not show up in GCJ 3.3. The speed issues do not
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appear to be present when run as a normal Java/SWT application. I am unclear what
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the issue was, but the current assumption is that a bug or optimization to GCJ 3.3
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was introduced. Additional note - this version of GCJ 3.3 also is packaged with
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SWT 2052 which is a few point releases higher than other versions of SWT, so it also
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may be SWT releated.
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