diff --git a/GNUmakefile.in b/GNUmakefile.in
index 94129d10..498ce45d 100644
--- a/GNUmakefile.in
+++ b/GNUmakefile.in
@@ -237,9 +237,9 @@ all-tests:
 	cd tests && $(MAKE) clean GC-static $(TEST_ENV) && $(MAKE) clean GCX-static $(TEST_ENV)
 	$(MAKE) realclean GCE-static
 	cd tests && $(MAKE) clean GCE-static $(TEST_ENV)
-	@ $(GREP) FAILED *.log || $(GREP) Passed *.log | $(COUNT_UNIQ)
-	$(MAKE) clean
-	@ $(RM) *.log
+	$(MAKE) realclean
+	@ $(GREP) Passed *.log | $(COUNT_UNIQ)
+	@ $(GREP) FAILED *.log
 
 all-tests-cflags:
 	$(MAKE) all-tests __PTW32_FLAGS="-Wall -Wextra"
diff --git a/README b/README
index e700c2da..132e173a 100644
--- a/README
+++ b/README
@@ -1,5 +1,5 @@
-PTHREADS-WIN32
-==============
+PTHREADS-WIN32 (A.K.A. PTHREADS4W)
+==================================
 
 Pthreads-win32 is free software, distributed under the GNU Lesser
 General Public License (LGPL). See the file 'COPYING.LIB' for terms
@@ -26,7 +26,7 @@ routines.
 
 Prerequisites
 -------------
-MSVC or GNU C (MinGW32 or MinGW64 MSys development kit)
+MSVC or GNU C (MinGW or MinGW64 with AutoConf Tools)
 	To build from source.
 
 QueueUserAPCEx by Panagiotis E. Hadjidoukas
@@ -242,7 +242,7 @@ Other name changes
 All snapshots prior to and including snapshot 2000-08-13
 used "_pthread_" as the prefix to library internal
 functions, and "_PTHREAD_" to many library internal
-macros. These have now been changed to "__ptw32_" and "PTW32_"
+macros. These have now been changed to "__ptw32_" and "__PTW32_"
 respectively so as to not conflict with the ANSI standard's
 reservation of identifiers beginning with "_" and "__" for
 use by compiler implementations only.
@@ -417,16 +417,24 @@ Building with MinGW
 NOTE: All building and testing is done using makefiles. We use the native
 make system for each toolchain, which is 'make' in this case.
 
-We have found that Mingw32 builds of the GCE library variants fail when run
-on 64 bit systems. The GC variants are fine.
+We have found that Mingw builds of the GCE library variants can fail when
+run on 64 bit systems, believed to be due to the DWARF2 exception handling
+being a 32 bit mechanism. The GC variants are fine. MinGW64 offers
+SJLJ or SEH exception handling so choose one of those.
 
 From the source directory:
 
 run 'autoheader' to rewrite the config.h file
 run 'autoconf' to rewrite the GNUmakefiles (library and tests)
+run './configure' to create config.h and GNUmakefile.
 run 'make' without arguments to list possible targets.
 
-$ make
+E.g.
+
+$ autoheader
+$ autoconf
+$ ./configure
+$ make realclean all-tests
 
 With MinGW64 multilib installed the following variables can be defined
 either on the make command line or in the shell environment:
diff --git a/tests/GNUmakefile.in b/tests/GNUmakefile.in
index 94f6dbdb..66f85170 100644
--- a/tests/GNUmakefile.in
+++ b/tests/GNUmakefile.in
@@ -206,7 +206,7 @@ all-bench: $(HDR) $(LIB) $(DLL) $(QAPC) $(XXLIBS) $(BENCHRESULTS)
 	@ $(ECHO) "ALL BENCH TESTS COMPLETED. Check the logfile: $(LOGFILE)"
 	@ $(ECHO) "FAILURES: $$( $(GREP) FAILED $(LOGFILE) | $(WC) -l ) "
 	@ - ! $(GREP) FAILED $(LOGFILE)
-	@ $(MV) $(LOGFILE) $(TEST)-$(LOGFILE)
+	@ $(MV) $(LOGFILE) ../$(TEST)-$(LOGFILE)
 
 cancel9.exe: XLIBS = -lws2_32