diff --git a/mingw-w64-bullet/PKGBUILD b/mingw-w64-bullet/PKGBUILD
index ce528b06fb..5480b1e61d 100644
--- a/mingw-w64-bullet/PKGBUILD
+++ b/mingw-w64-bullet/PKGBUILD
@@ -1,56 +1,107 @@
 # Maintainer: Alexey Pavlov <Alexpux@gmail.com>
 
 _realname=bullet
-_mingw_suff=mingw-w64-${CARCH}
-pkgname=("${_mingw_suff}-${_realname}")
-_rev=r2704
-pkgver=2.82
-pkgrel=2
+pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}" "${MINGW_PACKAGE_PREFIX}-${_realname}-debug")
+pkgver=2.83
+pkgrel=1
 pkgdesc="A 3D Collision Detection and Rigid Body Dynamics Library for games and  animation (mingw-w64)"
 arch=('any')
 url="http://www.bulletphysics.com/Bullet/"
 license=('custom:zlib')
-depends=("${_mingw_suff}-gcc-libs") # "${_mingw_suff}-freeglut"
-options=('strip' '!buildflags' 'staticlibs')
-optdepends=('bullet-docs: documentation')
-makedepends=("${_mingw_suff}-cmake")
-source=("http://bullet.googlecode.com/files/bullet-${pkgver}-${_rev}.tgz"
-    dont-try-find-glu.patch
-    install-pkgconfig-files-mingw.patch)
-md5sums=('70b3c8d202dee91a0854b4cbc88173e8'
-         '53e346560fe8c50834a587bdacf082a7'
-         'a888f0a035d6f88ab1fbfd1e40b8b960')
+options=('!strip' 'staticlibs')
+#optdepends=('bullet-docs: documentation')
+makedepends=("${MINGW_PACKAGE_PREFIX}-cmake" "${MINGW_PACKAGE_PREFIX}-freeglut")
+source=(#"http://bullet.googlecode.com/files/bullet-${pkgver}-${_rev}.tgz"
+        https://github.com/bulletphysics/bullet3/archive/Bullet-${pkgver}-alpha.tar.gz
+        remove-absent-demo.patch
+        install-pkgconfig-files-mingw.patch
+        cast-error.patch)
+md5sums=('f459bb08387eb5696467109f44c1d4fd'
+         '70eda7f29f87cc3b65b58cb417e14201'
+         '2c243be67782ceb32a96aad61e668e83'
+         '8db1300cf01a0fb244cb4b3ea5eb102e')
 
 prepare () {
-  cd ${srcdir}/bullet-${pkgver}-${_rev}
-  patch -p1 -i ${srcdir}/dont-try-find-glu.patch
+  cd ${srcdir}/bullet3-Bullet-${pkgver}-alpha
+  patch -p1 -i ${srcdir}/remove-absent-demo.patch
   patch -p1 -i ${srcdir}/install-pkgconfig-files-mingw.patch
-  #sed -i "s|#define SIMD_EPSILON      FLT_EPSILON|#define SIMD_EPSILON 1.19209290E-07F|g" src/LinearMath/btScalar.h
-  rm -f *.dll *.DLL
-  rm -rf Glut
+  patch -p1 -i ${srcdir}/cast-error.patch
 }
 
 build() {
-  mkdir -p ${pkgdir}${MINGW_PREFIX}
-  pushd ${pkgdir}${MINGW_PREFIX} > /dev/null
-  export PREFIX_WIN=`pwd -W`
-  popd > /dev/null
+  plain "No step"
+}
+
+build_release() {
+  depends=("${MINGW_PACKAGE_PREFIX}-gcc-libs" "${MINGW_PACKAGE_PREFIX}-freeglut")
   
-  cd ${srcdir}/bullet-${pkgver}-${_rev}
-  mkdir -p build-${MINGW_CHOST} && pushd build-${MINGW_CHOST}
+  cd ${srcdir}
+  mkdir -p build-release && pushd build-release
   ${MINGW_PREFIX}/bin/cmake \
     -G"MSYS Makefiles" \
-    -DCMAKE_INSTALL_PREFIX:PATH=${PREFIX_WIN} \
+    -DCMAKE_INSTALL_PREFIX:PATH=${pkgdir}${MINGW_PREFIX}  \
     -DBUILD_SHARED_LIBS=1 \
-    -DBUILD_DEMOS=0 \
     -DBUILD_EXTRAS=1 \
     -DINSTALL_LIBS=1 \
-    -DUSE_GLUT=0 \
+    -DUSE_GLUT=1 \
     -DCMAKE_CXX_FLAGS_RELEASE="-fpermissive" \
     -DINSTALL_EXTRA_LIBS=1 \
     -DCMAKE_BUILD_TYPE=Release \
-    ..
+    ../bullet3-Bullet-${pkgver}-alpha
   make
+  make install
+  
+  mv -f ${pkgdir}${MINGW_PREFIX}/lib/*.dll ${pkgdir}${MINGW_PREFIX}/bin/
+  
+  pushd ${pkgdir}${MINGW_PREFIX} > /dev/null
+  export PREFIX_WIN=`pwd -W`
+  popd > /dev/null
+  sed -s "s|${PREFIX_WIN}|${MINGW_PREFIX}|g" \
+    -i ${pkgdir}${MINGW_PREFIX}/lib/pkgconfig/bullet.pc
+}
+
+build_debug() {
+  depends=("${MINGW_PACKAGE_PREFIX}-${_realname}=$pkgver")
+  
+  cd ${srcdir}
+  mkdir -p build-debug && pushd build-debug
+  ${MINGW_PREFIX}/bin/cmake \
+    -G"MSYS Makefiles" \
+    -DCMAKE_INSTALL_PREFIX:PATH=${pkgdir}${MINGW_PREFIX}  \
+    -DBUILD_SHARED_LIBS=1 \
+    -DBUILD_EXTRAS=1 \
+    -DINSTALL_LIBS=1 \
+    -DUSE_GLUT=1 \
+    -DCMAKE_CXX_FLAGS_RELEASE="-fpermissive" \
+    -DINSTALL_EXTRA_LIBS=1 \
+    -DCMAKE_BUILD_TYPE=Debug \
+    -DCMAKE_DEBUG_POSTFIX="_d" \
+    ../bullet3-Bullet-${pkgver}-alpha
+  make
+  make install
+  
+  mv -f ${pkgdir}${MINGW_PREFIX}/lib/*.dll ${pkgdir}${MINGW_PREFIX}/bin/
+  
+  rm -rf ${pkgdir}${MINGW_PREFIX}/include
+  rm -rf ${pkgdir}${MINGW_PREFIX}/lib/cmake
+  rm -rf ${pkgdir}${MINGW_PREFIX}/lib/pkgconfig
+
+}
+
+package_mingw-w64-i686-bullet() {
+  build_release
+}
+
+package_mingw-w64-i686-bullet-debug() {
+  build_debug
+}
+
+package_mingw-w64-x86_64-bullet() {
+  build_release
+}
+
+package_mingw-w64-x86_64-bullet-debug() {
+  build_debug
 }
 
 package() {
diff --git a/mingw-w64-bullet/cast-error.patch b/mingw-w64-bullet/cast-error.patch
new file mode 100644
index 0000000000..fdfd758a07
--- /dev/null
+++ b/mingw-w64-bullet/cast-error.patch
@@ -0,0 +1,116 @@
+--- bullet3-Bullet-2.83-alpha/Extras/Serialize/BulletFileLoader/bDNA.cpp.orig	2014-06-08 18:17:06.470800000 +0400
++++ bullet3-Bullet-2.83-alpha/Extras/Serialize/BulletFileLoader/bDNA.cpp	2014-06-08 18:19:30.583600000 +0400
+@@ -348,7 +348,7 @@
+ void bDNA::init(char *data, int len, bool swap)
+ {
+ 	int *intPtr=0;short *shtPtr=0;
+-	char *cp = 0;int dataLen =0;long nr=0;
++	char *cp = 0;int dataLen =0;intptr_t nr=0;
+ 	intPtr = (int*)data;
+ 
+ 	/*
+@@ -390,7 +390,7 @@
+ 
+ 	
+ 	{
+-		nr= (long)cp;
++		nr= (intptr_t)cp;
+ 	//long mask=3;
+ 		nr= ((nr+3)&~3)-nr;
+ 		while (nr--)
+@@ -426,7 +426,7 @@
+ 	}
+ 
+ {
+-		nr= (long)cp;
++		nr= (intptr_t)cp;
+ 	//	long mask=3;
+ 		nr= ((nr+3)&~3)-nr;
+ 		while (nr--)
+--- bullet3-Bullet-2.83-alpha/Extras/Serialize/BulletFileLoader/bFile.cpp.orig	2014-06-08 18:20:54.687600000 +0400
++++ bullet3-Bullet-2.83-alpha/Extras/Serialize/BulletFileLoader/bFile.cpp	2014-06-08 18:21:47.244000000 +0400
+@@ -391,7 +391,7 @@
+ 	char* data = &ptr[20];
+ //	void bDNA::init(char *data, int len, bool swap)
+ 	int *intPtr=0;short *shtPtr=0;
+-	char *cp = 0;int dataLen =0;long nr=0;
++	char *cp = 0;int dataLen =0;intptr_t nr=0;
+ 	intPtr = (int*)data;
+ 
+ 	/*
+@@ -441,7 +441,7 @@
+ 
+ 	
+ 	{
+-		nr= (long)cp;
++		nr= (intptr_t)cp;
+ 	//long mask=3;
+ 		nr= ((nr+3)&~3)-nr;
+ 		while (nr--)
+@@ -478,7 +478,7 @@
+ 	}
+ 
+ {
+-		nr= (long)cp;
++		nr= (intptr_t)cp;
+ 	//	long mask=3;
+ 		nr= ((nr+3)&~3)-nr;
+ 		while (nr--)
+--- bullet3-Bullet-2.83-alpha/src/Bullet3Serialize/Bullet2FileLoader/b3DNA.cpp.orig	2014-06-08 18:31:01.591200000 +0400
++++ bullet3-Bullet-2.83-alpha/src/Bullet3Serialize/Bullet2FileLoader/b3DNA.cpp	2014-06-08 18:31:32.994000000 +0400
+@@ -348,7 +348,7 @@
+ void bDNA::init(char *data, int len, bool swap)
+ {
+ 	int *intPtr=0;short *shtPtr=0;
+-	char *cp = 0;int dataLen =0;long nr=0;
++	char *cp = 0;int dataLen =0;intptr_t nr=0;
+ 	intPtr = (int*)data;
+ 
+ 	/*
+@@ -390,7 +390,7 @@
+ 
+ 	
+ 	{
+-		nr= (long)cp;
++		nr= (intptr_t)cp;
+ 	//long mask=3;
+ 		nr= ((nr+3)&~3)-nr;
+ 		while (nr--)
+@@ -426,7 +426,7 @@
+ 	}
+ 
+ {
+-		nr= (long)cp;
++		nr= (intptr_t)cp;
+ 	//	long mask=3;
+ 		nr= ((nr+3)&~3)-nr;
+ 		while (nr--)
+--- bullet3-Bullet-2.83-alpha/src/Bullet3Serialize/Bullet2FileLoader/b3File.cpp.orig	2014-06-08 18:32:25.238400000 +0400
++++ bullet3-Bullet-2.83-alpha/src/Bullet3Serialize/Bullet2FileLoader/b3File.cpp	2014-06-08 18:32:49.168800000 +0400
+@@ -390,7 +390,7 @@
+ 	char* data = &ptr[20];
+ //	void bDNA::init(char *data, int len, bool swap)
+ 	int *intPtr=0;short *shtPtr=0;
+-	char *cp = 0;int dataLen =0;long nr=0;
++	char *cp = 0;int dataLen =0;intptr_t nr=0;
+ 	intPtr = (int*)data;
+ 
+ 	/*
+@@ -428,7 +428,7 @@
+ 
+ 	
+ 	{
+-		nr= (long)cp;
++		nr= (intptr_t)cp;
+ 	//long mask=3;
+ 		nr= ((nr+3)&~3)-nr;
+ 		while (nr--)
+@@ -465,7 +465,7 @@
+ 	}
+ 
+ {
+-		nr= (long)cp;
++		nr= (intptr_t)cp;
+ 	//	long mask=3;
+ 		nr= ((nr+3)&~3)-nr;
+ 		while (nr--)
diff --git a/mingw-w64-bullet/install-pkgconfig-files-mingw.patch b/mingw-w64-bullet/install-pkgconfig-files-mingw.patch
index 2a3679fa75..568ed09519 100644
--- a/mingw-w64-bullet/install-pkgconfig-files-mingw.patch
+++ b/mingw-w64-bullet/install-pkgconfig-files-mingw.patch
@@ -1,6 +1,6 @@
 --- a/CMakeLists.txt.orig	2013-10-24 03:35:13.000000000 +0400
 +++ b/CMakeLists.txt	2014-04-18 09:03:12.932400000 +0400
-@@ -402,7 +402,7 @@
+@@ -402,14 +402,14 @@
  	## the following are directories where stuff will be installed to
  	SET(INCLUDE_INSTALL_DIR      "${CMAKE_INSTALL_PREFIX}/include/bullet/" CACHE PATH "The subdirectory to the header prefix")
  	SET(PKGCONFIG_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX}/pkgconfig/" CACHE STRING "Base directory for pkgconfig files")
@@ -9,3 +9,11 @@
  	  CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/bullet.pc.cmake ${CMAKE_CURRENT_BINARY_DIR}/bullet.pc @ONLY)
    	INSTALL(
  	    FILES
+     	${CMAKE_CURRENT_BINARY_DIR}/bullet.pc
+     	DESTINATION
+     	${PKGCONFIG_INSTALL_PREFIX})
+-	ENDIF(NOT WIN32)
++	ENDIF(NOT WIN32 OR MINGW)
+ ENDIF(INSTALL_LIBS)
+ 
+ #INSTALL of other files requires CMake 2.6
diff --git a/mingw-w64-bullet/remove-absent-demo.patch b/mingw-w64-bullet/remove-absent-demo.patch
new file mode 100644
index 0000000000..6ab740ab13
--- /dev/null
+++ b/mingw-w64-bullet/remove-absent-demo.patch
@@ -0,0 +1,19 @@
+--- bullet3-Bullet-2.83-alpha/Demos/CMakeLists.txt.orig	2014-06-08 15:30:10.689800000 +0400
++++ bullet3-Bullet-2.83-alpha/Demos/CMakeLists.txt	2014-06-08 15:30:32.623400000 +0400
+@@ -34,7 +34,7 @@
+ 		)
+ 		
+ 		IF(BUILD_MULTITHREADING)
+-			SUBDIRS(	ThreadingDemo		VectorAdd_OpenCL )
++			SUBDIRS(	ThreadingDemo )
+ 		ENDIF()
+ 
+ 	ENDIF(GLUT_FOUND)
+@@ -58,7 +58,6 @@
+ 		GenericJointDemo 
+ 		SerializeDemo 
+ 		SoftDemo
+-		VectorAdd_OpenCL
+ 		VoronoiFractureDemo
+ 	)
+ 	ENDIF(WIN32)