add some exclusions to .hgignore, fix Makefile to allow for cygwin 'os'.

.hgignore

@@ -11,6 +11,10 @@
 # ActiveState Komodo project file
 \.kpf$
 
+# Eclipse files
+\.externalToolBuilders$
+\.project$
+
 # the local mirror of the web distribution directory, for developers
 # who distribute their builds via the website
 ^dist$
@@ -19,3 +23,7 @@
 ^test/harness/app/update.test$
 ^test/profile$
 ^test/unit/test_.*\.log$
+
+# generic utility dir
+syntax: regexp
+^archive-bkup$

Makefile

@@ -144,12 +144,16 @@ ifeq ($(sys), MINGW32_NT-6.0)
 else
 ifeq ($(sys), MINGW32_NT-5.1)
   os = WINNT
+else
+ifeq ($(sys), CYGWIN_NT-6.1-WOW64)
+  os = WINNT
 else
   $(error your os is unknown/unsupported: $(sys))
 endif
 endif
 endif
 endif
+endif
 
 # The path to the extension, in the native format, as required by the app
 # for extensions installed via a file in the $(profile)/extensions/ directory

test/harness/Makefile

@@ -74,12 +74,16 @@ ifeq ($(sys), MINGW32_NT-6.0)
 else
 ifeq ($(sys), MINGW32_NT-5.1)
   os = WINNT
+else
+ifeq ($(sys), CYGWIN_NT-6.1-WOW64)
+  os = WINNT
 else
   $(error Sorry, your os is unknown/unsupported: $(sys))
 endif
 endif
 endif
 endif
+endif
 
 ifeq ($(topsrcdir),)
 topsrcdir = ../..

test/unit/Makefile

@@ -15,12 +15,16 @@ ifeq ($(sys), MINGW32_NT-6.0)
 else
 ifeq ($(sys), MINGW32_NT-5.1)
   os = WINNT
+else
+ifeq ($(sys), CYGWIN_NT-6.1-WOW64)
+  os = WINNT
 else
   $(error Sorry, your os is unknown/unsupported: $(sys))
 endif
 endif
 endif
 endif
+endif
 
 ifeq ($(topsrcdir),)
 topsrcdir = ../..