--- db-4.2.52/dist/aclocal/options.ac.orig	2003-11-17 21:58:48.000000000 +0200
+++ db-4.2.52/dist/aclocal/options.ac	2004-05-04 01:58:26.420494088 +0300
@@ -137,6 +137,16 @@
 	[db_cv_mingw="$enable_mingw"], [db_cv_mingw="no"])
 AC_MSG_RESULT($db_cv_mingw)
 
+AC_MSG_CHECKING(if --disable-pthreadsmutexes option specified)
+AC_ARG_ENABLE(pthreadsmutexes,
+	AC_HELP_STRING([--disable-pthreadsmutexes],
+	    [Do not use POSIX pthreads mutexes.]),, enableval="yes")
+db_cv_pthreadsmutexes="$enableval"
+case "$enableval" in
+ no) AC_MSG_RESULT(yes);;
+yes) AC_MSG_RESULT(no);;
+esac
+
 AC_MSG_CHECKING(if --enable-posixmutexes option specified)
 AC_ARG_ENABLE(posixmutexes,
 	[AC_HELP_STRING([--enable-posixmutexes],
--- db-4.2.52/dist/aclocal/mutex.ac.orig	2003-06-16 17:54:39.000000000 +0300
+++ db-4.2.52/dist/aclocal/mutex.ac	2004-05-04 02:07:52.189484128 +0300
@@ -198,28 +198,31 @@
 # Try with and without the -lpthread library.  If the user specified we use
 # POSIX pthreads mutexes, and we fail to find the full interface, try and
 # configure for just intra-process support.
-if test "$db_cv_mutex" = no -o "$db_cv_mutex" = "posix_only"; then
-	AM_PTHREADS_SHARED("POSIX/pthreads")
-fi
-if test "$db_cv_mutex" = no -o \
-    "$db_cv_mutex" = "posix_only" -o "$db_cv_mutex" = "posix_library_only"; then
-	LIBS="$LIBS -lpthread"
-	AM_PTHREADS_SHARED("POSIX/pthreads/library")
-	LIBS="$orig_libs"
-fi
-if test "$db_cv_mutex" = "posix_only"; then
-	AM_PTHREADS_PRIVATE("POSIX/pthreads/private")
-fi
-if test "$db_cv_mutex" = "posix_only" -o \
-    "$db_cv_mutex" = "posix_library_only"; then
-	LIBS="$LIBS -lpthread"
-	AM_PTHREADS_PRIVATE("POSIX/pthreads/library/private")
-	LIBS="$orig_libs"
-fi
-
-if test "$db_cv_mutex" = "posix_only" -o \
-    "$db_cv_mutex" = "posix_library_only"; then
-	AC_MSG_ERROR([unable to find POSIX 1003.1 mutex interfaces])
+if test "$db_cv_pthreadsmutexes" = yes; then
+	if test "$db_cv_mutex" = no -o "$db_cv_mutex" = "posix_only"; then
+		AM_PTHREADS_SHARED("POSIX/pthreads")
+	fi
+	if test "$db_cv_mutex" = no -o \
+	    "$db_cv_mutex" = "posix_only" -o \
+	    "$db_cv_mutex" = "posix_library_only"; then
+		LIBS="$LIBS -lpthread"
+		AM_PTHREADS_SHARED("POSIX/pthreads/library")
+		LIBS="$orig_libs"
+	fi
+	if test "$db_cv_mutex" = "posix_only"; then
+		AM_PTHREADS_PRIVATE("POSIX/pthreads/private")
+	fi
+	if test "$db_cv_mutex" = "posix_only" -o \
+	    "$db_cv_mutex" = "posix_library_only"; then
+		LIBS="$LIBS -lpthread"
+		AM_PTHREADS_PRIVATE("POSIX/pthreads/library/private")
+		LIBS="$orig_libs"
+	fi
+
+	if test "$db_cv_mutex" = "posix_only" -o \
+	    "$db_cv_mutex" = "posix_library_only"; then
+		AC_MSG_ERROR([unable to find POSIX 1003.1 mutex interfaces])
+	fi
 fi
 
 # msemaphore: HPPA only