diff -urN php-4.1.2.org/TSRM/threads.m4 php-4.1.2/TSRM/threads.m4
--- php-4.1.2.org/TSRM/threads.m4	Mon Apr  8 01:42:39 2002
+++ php-4.1.2/TSRM/threads.m4	Mon Apr  8 01:43:36 2002
@@ -32,7 +32,11 @@
 dnl
 AC_DEFUN(PTHREADS_FLAGS,[
   if test -z "$host_alias"; then
-    AC_MSG_ERROR(host_alias is not set. Make sure to run config.guess)
+    if test -z "$build_alias"; then
+      AC_MSG_ERROR(host_alias is not set. Make sure to run config.guess)
+    else
+      host_alias=$build_alias
+    fi
   fi
   case "$host_alias" in
   *solaris*)
diff -urN php-4.1.2.org/configure.in php-4.1.2/configure.in
--- php-4.1.2.org/configure.in	Mon Apr  8 01:42:39 2002
+++ php-4.1.2/configure.in	Mon Apr  8 01:42:57 2002
@@ -115,11 +115,11 @@
 
 AM_PROG_CC_STDC
 
-AC_PROG_RANLIB
+AC_PROG_LIBTOOL
 AC_PROG_CC_C_O
 AC_PROG_LN_S
 
-AC_PROG_LEX
+AM_PROG_LEX
 if test -n "$LEX"; then
   AC_DECL_YYTEXT
 fi