some rototilling

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@11200 ec53bebd-3082-4978-b11e-865c3cabbd6b

cf/roken-frag.m4

@@ -227,39 +227,17 @@ AC_FIND_IF_NOT_BROKEN(hstrerror, resolv,
 #include <netdb.h>
 #endif],
 17)
-if test "$ac_cv_func_hstrerror" = yes; then
 AC_NEED_PROTO([
 #ifdef HAVE_NETDB_H
 #include <netdb.h>
 #endif],
 hstrerror)
-fi
 
-dnl sigh, wish this could be done in a loop
+AC_FOREACH([rk_func], [asprintf vasprintf asnprintf vasnprintf],
-if test "$ac_cv_func_asprintf" = yes; then
+	[AC_NEED_PROTO([
-AC_NEED_PROTO([
+	#include <stdio.h>
-#include <stdio.h>
+	#include <string.h>],
-#include <string.h>],
+	rk_func)])
-asprintf)dnl
-fi
-if test "$ac_cv_func_vasprintf" = yes; then
-AC_NEED_PROTO([
-#include <stdio.h>
-#include <string.h>],
-vasprintf)dnl
-fi
-if test "$ac_cv_func_asnprintf" = yes; then
-AC_NEED_PROTO([
-#include <stdio.h>
-#include <string.h>],
-asnprintf)dnl
-fi
-if test "$ac_cv_func_vasnprintf" = yes; then
-AC_NEED_PROTO([
-#include <stdio.h>
-#include <string.h>],
-vasnprintf)dnl
-fi
 
 AC_FIND_FUNC_NO_LIBS(bswap16,,
 [#ifdef HAVE_SYS_BSWAP_H
@@ -365,6 +343,9 @@ AC_BROKEN([					\
 	writev					\
 ])
 
+AC_FOREACH([rk_func], [strndup strsep strtok_r],
+	[AC_NEED_PROTO([#include <string.h>], rk_func)])
+
 AC_BROKEN2(inet_aton,
 [#ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
@@ -547,16 +528,6 @@ AC_NEED_PROTO([
 ],
 crypt)
 
-AC_NEED_PROTO([
-#include <string.h>
-],
-strtok_r)
-
-AC_NEED_PROTO([
-#include <string.h>
-],
-strsep)
-
 dnl variables
 
 rk_CHECK_VAR(h_errno,