Copy libgcc_s_sjlj-1.dll dependecy for mingw32 build

Author: cmaglie

package-avrdude.bash

@@ -47,6 +47,7 @@ elif [[ $OS == "Msys" || $OS == "Cygwin" ]] ; then
   export PATH=$PATH:/c/MinGW/bin/:/c/cygwin/bin/
   export CC="mingw32-gcc -m32"
   export CXX="mingw32-g++ -m32"
+  export TARGET_OS="Windows"
   OUTPUT_TAG=i686-mingw32
 
 elif [[ $OS == "Darwin" ]] ; then
@@ -70,6 +71,16 @@ rm -rf avrdude-6.3 libusb-1.0.20 libusb-compat-0.1.5 libusb-win32-bin-1.2.6.0 li
 ./libelf-0.8.13.build.bash
 ./avrdude-6.3.build.bash
 
+if [[ $CROSS_COMPILE_HOST == "i686-w64-mingw32" ]] ; then
+  # copy dependency libgcc_s_sjlj-1.dll into bin/ folder
+
+  # try to detect the location of libgcc_s_sjlj-1.dll
+  # (maybe there is better way... feel free to submit a patch!)
+  LTO_PATH=`i686-w64-mingw32-gcc -v 2>&1 | grep LTO | tr '=' ' ' | awk "{ print \\\$2;  }"`
+  DLL_PATH=`dirname $LTO_PATH`/libgcc_s_sjlj-1.dll
+  cp $DLL_PATH objdir/bin
+fi
+
 rm -f avrdude-${OUTPUT_VERSION}-${OUTPUT_TAG}.tar.bz2
 cp -a objdir avrdude
 tar -cjvf avrdude-${OUTPUT_VERSION}-${OUTPUT_TAG}.tar.bz2 avrdude