--- centericq-4.7.2/configure.in.orig	Sun May 19 11:27:09 2002
+++ centericq-4.7.2/configure.in	Wed Jun 12 10:03:41 2002
@@ -55,10 +55,10 @@
 AC_CHECK_HEADERS([hash_map strstream ext/hash_map sstream],,)
 
 AC_CHECK_HEADERS(ext/hash_map,,
-  AC_CHECK_HEADERS(hash_map,, AC_MSG_ERROR([Your libstdc++ installation does not have the extra hash classes])))
+  [AC_CHECK_HEADERS(hash_map,, AC_MSG_ERROR([Your libstdc++ installation does not have the extra hash classes]))])
 
 AC_CHECK_HEADERS(sstream,,
-  AC_CHECK_HEADERS(strstream,, AC_MSG_ERROR([Your libstdc++ doesn't have the sstream or strstream classes])))
+  [AC_CHECK_HEADERS(strstream,, AC_MSG_ERROR([Your libstdc++ doesn't have the sstream or strstream classes]))])
 
 AC_LANG_RESTORE
 
--- centericq-4.7.2/libicq2000-0.6/configure.in.orig	Sun Apr 21 10:30:08 2002
+++ centericq-4.7.2/libicq2000-0.6/configure.in	Wed Jun 12 10:07:16 2002
@@ -23,10 +23,10 @@
 AC_CHECK_HEADERS([hash_map strstream ext/hash_map sstream],,)
 
 AC_CHECK_HEADERS(ext/hash_map,,
-  AC_CHECK_HEADERS(hash_map,, AC_MSG_ERROR([Your libstdc++ installation does not have the extra hash classes])))
+  [AC_CHECK_HEADERS(hash_map,, AC_MSG_ERROR([Your libstdc++ installation does not have the extra hash classes]))])
 
 AC_CHECK_HEADERS(sstream,,
-  AC_CHECK_HEADERS(strstream,, AC_MSG_ERROR([Your libstdc++ doesn't have the sstream or strstream classes])))
+  [AC_CHECK_HEADERS(strstream,, AC_MSG_ERROR([Your libstdc++ doesn't have the sstream or strstream classes]))])
 
 AC_LANG_RESTORE