-PATH="/usr/win32/bin:$PATH" \
-PKG_CONFIG_LIBDIR=/usr/win32/lib/pkgconfig \
-CPPFLAGS="-I/usr/win32/include -I/usr/win32/include/ebml" \
-LDFLAGS="-L/usr/win32/lib" \
-CC=gcc CXX=g++ \
-CONFIG="./configure --host=i586-mingw32msvc --build=i386-linux
- --disable-mkv --disable-taglib --enable-debug" \
-sh extras/package/win32/configure-common.sh
+#!/bin/sh
+
+root=$(echo $0|sed 's#extras/package/win32/configure-mingw.sh##')./
+
+if [ -n $1 ]
+then
+ CONTRIBS="$1"
+else
+ CONTRIBS="/usr/win32"
+fi
+export CONTRIBS
+
+PATH="$CONTRIBS/bin:$PATH" \
+PKG_CONFIG_LIBDIR=$CONTRIBS/lib/pkgconfig \
+CPPFLAGS="-I$CONTRIBS/include -I$CONTRIBS/include/ebml" \
+LDFLAGS="-L$CONTRIBS/lib" \
+CC=i586-mingw32msvc-gcc CXX=i586-mingw32msvc-g++ \
+CONFIG="${root}configure --host=i586-mingw32msvc --build=i386-linux
+ --enable-dirac --enable-mkv --enable-taglib --enable-debug --enable-projectm" \
+sh ${root}extras/package/win32/configure-common.sh