1 files changed, 46 insertions, 0 deletions
diff --git a/REORG.TODO/scripts/abi-versions.awk b/REORG.TODO/scripts/abi-versions.awk
new file mode 100644
index 0000000000..c369793459
--- /dev/null
+++ b/REORG.TODO/scripts/abi-versions.awk
@@ -0,0 +1,46 @@
+# Script to generate <abi-versions.h> header file from Versions.all list.
+# See include/shlib-compat.h comments for explanation.
+
+BEGIN {
+  print "/* This file is automatically generated by abi-versions.awk.";
+  print "   It defines symbols used by shlib-compat.h, which see.  */";
+  print "\n#ifndef _ABI_VERSIONS_H\n#define _ABI_VERSIONS_H";
+}
+
+NF == 2 && $2 == "{" {
+  thislib = $1;
+  gsub(/[^A-Za-z0-9_ 	]/, "_"); libid = $1;
+  printf "\n/* start %s */\n", thislib;
+  n = 0;
+  start = 0;
+  next;
+}
+$1 == "}" {
+  printf "/* end %s */\n", thislib;
+  next;
+}
+
+$2 == "=" {
+  old = $1; new = $3;
+  gsub(/[^A-Za-z0-9_ 	]/, "_");
+  oldid = $1; newid = $3;
+
+  printf "#define ABI_%s_%s\tABI_%s_%s\n", libid, oldid, libid, newid;
+  printf "#define VERSION_%s_%s\t%s\n", libid, oldid, new;
+
+  next;
+}
+
+{
+  vers = $1;
+  gsub(/[^A-Za-z0-9_ 	]/, "_");
+  versid = $1;
+
+  printf "#define ABI_%s_%s\t%d\t/* support %s */\n", libid, versid, ++n, vers;
+  printf "#define VERSION_%s_%s\t%s\n", libid, versid, vers;
+  next;
+}
+
+END {
+  print "\n#endif /* abi-versions.h */";
+}