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2000-06-17 H.J. Lu <hjl@gnu.org>

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* getopt.h: Updated from gcc.
	* libiberty.h: Likewise.
	* symcat.h: Likewise.
This commit is contained in:
H.J. Lu
2000-06-17 23:08:19 +00:00
parent 4a7a5a717c
commit 20c7469060
4 changed files with 33 additions and 4 deletions
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13
include/symcat.h
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@ -19,12 +19,16 @@
#ifndef SYM_CAT_H
#define SYM_CAT_H
#if defined (__STDC__) || defined (ALMOST_STDC)
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
#define CONCAT2(a,b) a##b
#define CONCAT3(a,b,c) a##b##c
#define CONCAT4(a,b,c,d) a##b##c##d
#define STRINGX(s) #s
#else
/* Note one should never pass extra whitespace to the CONCATn macros,
e.g. CONCAT2(foo, bar) because traditonal C will keep the space between
the two labels instead of concatenating them. Instead, make sure to
write CONCAT2(foo,bar). */
#define CONCAT2(a,b) a/**/b
#define CONCAT3(a,b,c) a/**/b/**/c
#define CONCAT4(a,b,c,d) a/**/b/**/c/**/d
@ -35,6 +39,11 @@
#define XCONCAT3(a,b,c) CONCAT3(a,b,c)
#define XCONCAT4(a,b,c,d) CONCAT4(a,b,c,d)
/* Note the layer of indirection here is typically used to allow
stringification of the expansion of macros. I.e. "#define foo
bar", "XSTRING(foo)", to yield "bar". Be aware that this only
works for __STDC__, not for traditional C which will still resolve
to "foo". */
#define XSTRING(s) STRINGX(s)
#endif SYM_CAT_H
#endif /* SYM_CAT_H */