[fedora-java] Debugging info missing in some packages

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I've come across a few RPMS with missing debuginfo and wasted a great
deal of time trying to rebuild to get the debuginfo.

The problem seems to be that some ant scripts force debugging to be
off or perhaps inherited from a property that no-one remembered to
set.  This is compounded by the fact that some ant scripts unzip source
archives and then call ant recursively to build them: in such a case
it's very hard to patch build.xml to force debugging=true.

This patch for ecj forces debuginfo always to be generated while
rebuilding an RPM, no matter what ant thinks.  I realize it's
something of a kludge, but it's better than the current situation.

When compiling C/C++/etc, RPM passes "-g" in RPM_OPT_FLAGS.  An
alternative to this patch might be to scan RPM_OPT_FLAGS for "-g" and
only turn on debugging if it's present.  However, I doubt that in
practice it'd make any difference.

Andrew.



--- eclipse-3.1.1/plugins/org.eclipse.jdt.core/batch/org/eclipse/jdt/internal/compiler/batch/Main.java.orig	2006-01-19 17:53:49.000000000 +0000
+++ eclipse-3.1.1/plugins/org.eclipse.jdt.core/batch/org/eclipse/jdt/internal/compiler/batch/Main.java	2006-01-19 18:06:32.000000000 +0000
@@ -2405,6 +2405,29 @@
 			this.times = new long[this.repetitions];
 			this.timesCounter = 0;
 		}
+
+		{
+			// If we're building an RPM, force full debugging info to
+			// be generated, no matter what options have been passed
+			// by Ant.  This is something of a kludge, but it is far
+			// better than the alternative, which is having class
+			// files with debug info mysteriously missing.
+
+			String RpmPackageName = System.getenv("RPM_PACKAGE_NAME");
+			String RpmArch = System.getenv("RPM_ARCH");
+			String RpmBuildRoot = System.getenv("RPM_BUILD_ROOT");
+			if (RpmPackageName != null && RpmArch != null && RpmBuildRoot != null) {
+				this.options.put(
+			  	    CompilerOptions.OPTION_LocalVariableAttribute,
+			  	    CompilerOptions.GENERATE);
+				this.options.put(
+				    CompilerOptions.OPTION_LineNumberAttribute,
+				    CompilerOptions.GENERATE);
+				this.options.put(
+				    CompilerOptions.OPTION_SourceFileAttribute,
+				    CompilerOptions.GENERATE);
+			}
+		}
 	}
 
 	private void addNewEntry(final int InsideClasspath, final int InsideSourcepath, ArrayList bootclasspaths, ArrayList classpaths,ArrayList sourcepathClasspaths, String currentClasspathName, ArrayList currentRuleSpecs, int mode, String customEncoding) {


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