diff --git a/boost-base.patch b/boost-base.patch
index 567918f..d8381f6 100644
--- a/boost-base.patch
+++ b/boost-base.patch
@@ -1,23 +1,28 @@
-*** tools/build/v1/boost-base.jam.orig	2005-03-15 22:38:05.110845776 -0600
---- tools/build/v1/boost-base.jam	2005-03-15 22:39:21.250352319 -0600
+Index: tools/build/v1/boost-base.jam
+===================================================================
+RCS file: /cvsroot/boost/boost/tools/build/v1/boost-base.jam,v
+retrieving revision 1.129
+diff -c -p -r1.129 boost-base.jam
+*** tools/build/v1/boost-base.jam	28 Jan 2004 22:50:17 -0000	1.129
+--- tools/build/v1/boost-base.jam	1 Apr 2004 22:48:45 -0000
 *************** rule common-variant-tag ( toolset varian
-*** 2651,2660 ****
-          version-tag = $(version-tag:J="_") ;
-      }
+*** 2621,2630 ****
+      local version-tag = [ MATCH "^([^.]+).([^.]+)" : $(version-number[1]) ] ;
+      version-tag = $(version-tag:J="_") ;
       
 !     tags += $(toolset-tag:J=) ;
-      tags += $(thread-tag:J=) ;
+!     tags += $(thread-tag:J=) ;
 !     tags += $(runtime-tag:J=) ;
 !     tags += $(version-tag) ;
       
       if $(tags)
       {
---- 2651,2660 ----
-          version-tag = $(version-tag:J="_") ;
-      }
+--- 2621,2630 ----
+      local version-tag = [ MATCH "^([^.]+).([^.]+)" : $(version-number[1]) ] ;
+      version-tag = $(version-tag:J="_") ;
       
 ! #    tags += $(toolset-tag:J=) ;
-      tags += $(thread-tag:J=) ;
+! #    tags += $(thread-tag:J=) ;
 ! #    tags += $(runtime-tag:J=) ;
 ! #    tags += $(version-tag) ;
       
diff --git a/boost-gcc-tools.patch b/boost-gcc-tools.patch
index 7f36c35..e8db653 100644
--- a/boost-gcc-tools.patch
+++ b/boost-gcc-tools.patch
@@ -1,5 +1,5 @@
-*** tools/build/v1/gcc-tools.jam.orig	2005-03-15 22:41:36.879694255 -0600
---- tools/build/v1/gcc-tools.jam	2005-03-15 22:42:01.449887423 -0600
+*** tools/build/v1/gcc-tools.jam.orig	2005-03-18 09:58:30.227128264 -0600
+--- tools/build/v1/gcc-tools.jam	2005-03-18 10:00:20.235025969 -0600
 *************** flags gcc LINKFLAGS <runtime-link>static
 *** 60,66 ****
   flags gcc CFLAGS <debug-symbols>on : -g ;
@@ -17,3 +17,30 @@
   
   # Other optimizations we might want for GCC
   # -fforce-mem -fomit-frame-pointer
+*************** flags gcc FINDLIBS <find-library> ;
+*** 352,357 ****
+--- 352,358 ----
+  flags gcc DLLVERSION <dllversion> ;
+  DLLVERSION = $(DLLVERSION[1]) ;
+  DLLVERSION ?= $(BOOST_VERSION) ;
++ SONAMEVERSION = 1 ;
+  
+  flags gcc TARGET_TYPE <target-type> ;
+  
+*************** rule Link-action
+*** 387,393 ****
+      if $(DLLVERSION) && $(TARGET_TYPE) in $(SHARED_TYPES) && ( $(OS) = LINUX || $(OS) = OPENBSD ) && ! $(NO_GNU_LN)
+      {
+          OUTTAG on $(<) = ".$(DLLVERSION)" ;
+!         SOTAG on $(<) = ".$(DLLVERSION)" ;
+          ACTION_1 on $(<) = "" ;
+      }
+      else
+--- 388,394 ----
+      if $(DLLVERSION) && $(TARGET_TYPE) in $(SHARED_TYPES) && ( $(OS) = LINUX || $(OS) = OPENBSD ) && ! $(NO_GNU_LN)
+      {
+          OUTTAG on $(<) = ".$(DLLVERSION)" ;
+!         SOTAG on $(<) = ".$(SONAMEVERSION)" ;
+          ACTION_1 on $(<) = "" ;
+      }
+      else
diff --git a/boost.spec b/boost.spec
index 76d6365..37f781f 100644
--- a/boost.spec
+++ b/boost.spec
@@ -3,7 +3,7 @@
 Name: boost
 Summary: The Boost C++ Libraries
 Version: 1.32.0
-Release: 4
+Release: 5
 License: Boost Software License
 URL: http://www.boost.org/
 Group: System Environment/Libraries
@@ -16,7 +16,6 @@ Obsoletes: boost-python <= 1.30.2
 Patch0: boost-base.patch
 Patch1: boost-gcc-tools.patch
 Patch2: boost-thread.patch
-Patch3: boost-config-compiler-gcc.patch
 
 %description
 Boost provides free peer-reviewed portable C++ source libraries.  The
@@ -44,7 +43,6 @@ rm -rf $RPM_BUILD_ROOT
 %patch0 -p0
 %patch1 -p0
 %patch2 -p0
-%patch3 -p0
 
 %build
 #build bjam
@@ -53,7 +51,8 @@ rm -rf $RPM_BUILD_ROOT
 BJAM=`find tools/build/jam_src/ -name bjam -a -type f`
 PYTHON_VERSION=`python -V 2>&1 |sed 's,.* \([0-9]\.[0-9]\)\(\.[0-9]\)\?.*,\1,'`
 PYTHON_FLAGS="-sPYTHON_ROOT=/usr -sPYTHON_VERSION=$PYTHON_VERSION"
-$BJAM $PYTHON_FLAGS "-sTOOLS=gcc" "-sBUILD=release <dllversion>1" stage 
+#$BJAM $PYTHON_FLAGS "-sTOOLS=gcc" "-sBUILD=release <dllversion>1" stage 
+$BJAM $PYTHON_FLAGS "-sTOOLS=gcc" "-sBUILD=release" stage 
 
 %install
 mkdir -p $RPM_BUILD_ROOT%{_libdir}
@@ -101,6 +100,10 @@ rm -rf $RPM_BUILD_ROOT
 %{_libdir}/*.a
 
 %changelog
+* Fri Mar 18 2005 Benjamin Kosnik <bkoz@redhat.com> 1.32.0-5
+- Revert boost-base.patch to old behavior.
+- Use SONAMEVERSION instead of dllversion.
+
 * Wed Mar 16 2005 Benjamin Kosnik <bkoz@redhat.com> 1.32.0-4
 - (#142612: Compiling Boost 1.32.0 Failed in RHEL 3.0 on Itanium2) 
 - (#150069: libboost_python.so is missing)
@@ -110,7 +113,7 @@ rm -rf $RPM_BUILD_ROOT
 - Change boost-base.patch to show thread tags.
 - Change boost-gcc-tools.patch to use SOTAG, compile with dllversion.
 - Add symbolic links to files.
-- Sanity check can compile with gcc-3.3.x, gcc-3.4.2.
+- Sanity check can compile with gcc-3.3.x, gcc-3.4.2, gcc-4.0.x., gcc-4.1.x.
 
 * Thu Dec 02 2004 Benjamin Kosnik <bkoz@redhat.com> 1.32.0-3
 - (#122817: libboost_*.so symlinks missing)