[patch/rfc] Tweak MAINTAINERS to use SED/TR

[Andrew Cagney <ac131313@cygnus.com>]

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Hello,

The attached hopefully addresses the problems Daniel encountered when 
trying to build all targets.

I'll table it for a few days then, baring comments, commit.

enjoy,
Andrew

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2002-05-13  Andrew Cagney  <ac131313@redhat.com>

	* MAINTAINERS (--enable-gdb-build-warnings): Rewrite script to use
	`tr' and `sed'.  Mention that `broken' targets are not expected to
	build.

Index: MAINTAINERS
===================================================================
RCS file: /cvs/src/src/gdb/MAINTAINERS,v
retrieving revision 1.172
diff -u -r1.172 MAINTAINERS
--- MAINTAINERS	11 May 2002 14:18:14 -0000	1.172
+++ MAINTAINERS	13 May 2002 18:38:50 -0000
@@ -192,21 +192,33 @@
 the obvious fix rule) to ``maintenance only'' targets.  The change
 shall be sanity checked by compiling with one of the listed targets.
 
-The GAWK segment:
+The bourn shell script:
 
-  awk < "${maintainers}" '
-  $2 ~ /--target=.*/ {
-    targets = gensub (/^.*--target=/, "", 1, $2)
-    warnings = gensub (/[)]*$/, "", 1, $3)
-    split (targets, targ, /,/)
-    for (i in targ) {
-	print targ[i], warnings
-    }
-  }'
+cat MAINTAINERS | tr -s '[\t]' '[ ]' | sed -n '
+/^[ ]*[-a-z0-9\.]*[ ]*[(]*--target=.*/ !d
+s/^.*--target=//
+s/).*$//
+h
+:loop
+  g
+  /^[^ ]*,/ !b end
+  s/,[^ ]*//
+  p
+  g
+  s/^[^,]*,//
+  h
+b loop
+:end
+p
+'
 
-can be used to generate a full list of --target=
---enable-gdb-build-warnings= pairs.
+can be used to generate a complete list of --target=
+--enable-gdb-build-warnings= pairs of the form:
 
+	arc-elf ,-Werror
+	hppa1.1-hp-proelf broken
+
+The ``broken'' targets, while listed, are not expected to build.
 
 
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