Look for `strncasecmp' declaration.

ChangeLog

@@ -1,3 +1,7 @@
+2008-02-22  Ludovic Courtès  <ludo@gnu.org>
+
+	* configure.in: Check whether `strncasecmp' is declared.
+
 2008-02-16  Ludovic Courtès  <ludo@gnu.org>
 
 	Guile 1.8.4 released.

NEWS

@@ -11,6 +11,7 @@ Changes in 1.8.5 (since 1.8.4)
 
 ** `scm add_slot ()' no longer segfaults (fixes bug #22369)
 ** Fixed build issue for GNU/Linux on IA64
+** Fixed build issue on NetBSD 1.6
 
 
 Changes in 1.8.4 (since 1.8.3)

configure.in

@@ -694,10 +694,12 @@ AC_CHECK_FUNCS([DINFINITY DQNAN cexp chsize clog clog10 ctermid fesetround ftime
 #       check this specifically, we need it for the timespec test below.
 #   sethostname - the function itself check because it's not in mingw,
 #       the DECL is checked because Solaris 10 doens't have in any header
+#   strncasecmp - on NetBSD 1.6 the symbol is available in libc but the
+#       declaration cannot be found
 #
 AC_CHECK_HEADERS(crypt.h netdb.h pthread.h sys/param.h sys/resource.h sys/file.h)
 AC_CHECK_FUNCS(chroot flock getlogin cuserid getpriority setpriority getpass sethostname gethostname)
-AC_CHECK_DECLS([sethostname])
+AC_CHECK_DECLS([sethostname, strncasecmp])
 
 # crypt() may or may not be available, for instance in some countries there
 # are restrictions on cryptography.

libguile/ChangeLog

@@ -1,5 +1,9 @@
 2008-02-22  Ludovic Courtès  <ludo@gnu.org>
 
+	* read.c (strncasecmp): Add declaration when
+	`HAVE_DECL_STRNCASECMP' is undefined.  Fixes compilation on
+	NetBSD 1.6.
+
 	* gc.c (scm_ia64_ar_bsp)[linux]: Don't discard `const' qualifier
 	of OPAQUE.
 

libguile/read.c

@@ -181,6 +181,10 @@ static SCM *scm_read_hash_procedures;
   (((_chr) <= UCHAR_MAX) ? tolower (_chr) : (_chr))
 
 
+#ifndef HAVE_DECL_STRNCASECMP
+extern int strncasecmp (char const *s1, char const *s2, size_t n);
+#endif
+
 #ifndef HAVE_STRNCASECMP
 /* XXX: Use Gnulib's `strncasecmp ()'.  */