# @end deftypevr
BEGIN {
- alias["EWOULDBLOCK"] = "EAGAIN";
- alias["EDEADLOCK"] = "EDEADLK";
- alias["ENOTSUP"] = "EOPNOTSUPP";
+
+ # Here we list the E* names that might be duplicate names for the
+ # same integer value on some systems. This causes the code below
+ # to generate ``#if defined (ALIAS) && ALIAS != ORIGINAL'' in the code,
+ # so the output does not presume that these are in fact aliases.
+ # We list here all the known potential cases on any system,
+ # so that the C source we produce will do the right thing based
+ # on the actual #define'd values it's compiled with.
+ alias["EWOULDBLOCK"]= "EAGAIN";
+ alias["EDEADLOCK"] = "EDEADLK";
+ alias["ENOTSUP"] = "EOPNOTSUPP";
print "/* This file is generated from errno.texi by errlist.awk. */"
print "";