diff --exclude='*~' --exclude='.*' -I '$Id:' -urN ZThread-2.3.1.orig/share/pthread.m4 ZThread-2.3.1/share/pthread.m4
--- ZThread-2.3.1.orig/share/pthread.m4	2005-11-29 17:56:04.000000000 -0500
+++ ZThread-2.3.1/share/pthread.m4	2005-11-29 18:05:15.000000000 -0500
@@ -17,7 +17,7 @@
 GNU Pth can also be used if it was configured with --enable-pthread.
 EOF
 
-AC_DEFUN(AM_DETECT_PTHREAD,
+AC_DEFUN([AM_DETECT_PTHREAD],
 [
 
 pthread_explicit="no"
diff --exclude='*~' --exclude='.*' -I '$Id:' -urN ZThread-2.3.1.orig/share/zthread.m4 ZThread-2.3.1/share/zthread.m4
--- ZThread-2.3.1.orig/share/zthread.m4	2005-11-29 17:56:04.000000000 -0500
+++ ZThread-2.3.1/share/zthread.m4	2005-11-29 18:05:22.000000000 -0500
@@ -15,7 +15,7 @@
 dnl ZTHREAD_CXXFLAGS
 dnl ZTHREAD_LIBS
 dnl 
-AC_DEFUN(AM_PATH_ZTHREAD,
+AC_DEFUN([AM_PATH_ZTHREAD],
 [