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+2000-03-19  Roland McGrath  <roland@baalperazim.frob.com>
+
+	* shlib-versions [USE_IN_LIBIO] (.*-.*-gnu-gnu*): Set earliest
+	supported version for libc 0.2.90.libio to GLIBC_2.2.
+
+	* Makeconfig (soversions.mk): Grok new third column in shlib-versions,
+	and use it to emit new variable `map-firstversions'.
+	* scripts/firstversions.awk: New file.
+	* Makerules (Versions.all): Use scripts/firstversions.awk and
+	the $(map-firstversions) value to generate a modified versions list
+	that includes renames in "A = B" syntax for each version set earlier
+	than the "earliest symbol version" named in shlib-versions.
+	* scripts/versions.awk: Recognize "A = B" lines in the input to mean
+	rename version set A to B in the output to the intermediate file.
+	* scripts/abi-versions.awk: New file.
+	* Makerules (abi-versions.h): New target, generated by that script.
+	[$(versioning) = yes] (before-compile): Prepend abi-versions.h.
+	* include/shlib-compat.h: New file, uses that generated header.
+
 2000-03-18  Roland McGrath  <roland@baalperazim.frob.com>
 
 	* Makeconfig (soversions.mk): Convert % -> # in shlib-versions