bugfix: enable package nsis to use the correct MinGW cross toolchain on systems where multiple MinGW cross toolchains are present

src/nsis-1-explicit-mingw-cross-prefix.patch

@@ -0,0 +1,39 @@
+This file is part of mingw-cross-env.
+See doc/index.html for further information.
+
+This patch has been taken from:
+http://sourceforge.net/tracker/index.php?func=detail&aid=3305366&group_id=22049&atid=373085
+
+--- a/SCons/Tools/crossmingw.py
++++ b/SCons/Tools/crossmingw.py
+@@ -61,6 +61,9 @@ prefixes = SCons.Util.Split("""
+ """)
+ 
+ def find(env):
++    if env.has_key('MINGW_CROSS_PREFIX'):
++        return env['MINGW_CROSS_PREFIX']
++
+     for prefix in prefixes:
+         # First search in the SCons path and then the OS path:
+         if env.WhereIs(prefix + 'gcc') or SCons.Util.WhereIs(prefix + 'gcc'):
+diff --git a/SConstruct b/SConstruct
+index 80872bc..4f113dd 100755
+--- a/SConstruct
++++ b/SConstruct
+@@ -59,6 +59,7 @@ doc = [
+ 
+ path = ARGUMENTS.get('PATH', '')
+ toolset = ARGUMENTS.get('TOOLSET', '')
++mingw_cross_prefix = ARGUMENTS.get('MINGW_CROSS_PREFIX', '')
+ 
+ if toolset and path:
+ 	defenv = Environment(ENV = {'PATH' : path}, TOOLS = toolset.split(',') + ['zip'])
+@@ -69,6 +70,8 @@ else:
+ 		defenv = Environment(TOOLS = toolset.split(',') + ['zip'])
+ if not toolset and not path:
+ 	defenv = Environment()
++if mingw_cross_prefix:
++	defenv['MINGW_CROSS_PREFIX'] = mingw_cross_prefix
+ 
+ Export('defenv')
+ 

src/nsis.mk

@@ -21,6 +21,7 @@ endef
 
 define $(PKG)_BUILD
     cd '$(1)' && scons \
+        MINGW_CROSS_PREFIX='$(TARGET)-' \
         PREFIX='$(PREFIX)/$(TARGET)' \
         `[ -d /usr/local/include ] && echo APPEND_CPPPATH=/usr/local/include` \
         `[ -d /usr/local/lib ]     && echo APPEND_LIBPATH=/usr/local/lib` \