diff --git a/mingw-w64-gc/0001-winpthreads.mingw.patch b/mingw-w64-gc/0001-winpthreads.mingw.patch
new file mode 100644
index 0000000000..ab00bbdabd
--- /dev/null
+++ b/mingw-w64-gc/0001-winpthreads.mingw.patch
@@ -0,0 +1,11 @@
+--- gc-7.2/include/private/gc_locks.h.orig	2013-04-10 07:18:36 +0400
++++ gc-7.2/include/private/gc_locks.h	2013-04-10 07:24:13 +0400
+@@ -98,7 +98,7 @@
+      /* integers for each thread, though that should be true as much    */
+      /* as possible.                                                    */
+      /* Refine to exclude platforms on which pthread_t is struct */
+-#    if !defined(GC_WIN32_PTHREADS)
++#    if !defined(GC_WIN32_PTHREADS) || defined(__WINPTHREADS_VERSION_MAJOR)
+ #      define NUMERIC_THREAD_ID(id) ((unsigned long)(id))
+ #      define THREAD_EQUAL(id1, id2) ((id1) == (id2))
+ #      define NUMERIC_THREAD_ID_UNIQUE
diff --git a/mingw-w64-gc/0002-export.mingw.patch b/mingw-w64-gc/0002-export.mingw.patch
new file mode 100644
index 0000000000..7531ef9146
--- /dev/null
+++ b/mingw-w64-gc/0002-export.mingw.patch
@@ -0,0 +1,20 @@
+--- gc-7.2/tests/staticrootslib.c.orig	2013-04-10 12:41:51 +0400
++++ gc-7.2/tests/staticrootslib.c	2013-04-10 16:28:38 +0400
+@@ -14,7 +14,7 @@
+     struct treenode *y;
+ } * root[10];
+ 
+-struct treenode * libsrl_mktree(int i)
++GC_API struct treenode * GC_CALL libsrl_mktree(int i)
+ {
+   struct treenode * r = GC_MALLOC(sizeof(struct treenode));
+   if (0 == i) return 0;
+@@ -26,7 +26,7 @@
+   return r;
+ }
+ 
+-void * libsrl_init(void)
++GC_API void * GC_CALL libsrl_init(void)
+ {
+   GC_INIT();
+   return GC_MALLOC(sizeof(struct treenode));
diff --git a/mingw-w64-gc/0003-move-docs.all.patch b/mingw-w64-gc/0003-move-docs.all.patch
new file mode 100644
index 0000000000..8edd72651c
--- /dev/null
+++ b/mingw-w64-gc/0003-move-docs.all.patch
@@ -0,0 +1,11 @@
+--- gc-7.2/doc/doc.am.orig	2012-08-09 20:25:13.000000000 +0000
++++ gc-7.2/doc/doc.am	2013-07-21 00:59:26.535985800 +0000
+@@ -15,7 +15,7 @@
+ 
+ # installed documentation
+ #
+-dist_pkgdata_DATA = \
++dist_doc_DATA = \
+ 	doc/barrett_diagram \
+ 	doc/debugging.html \
+ 	doc/gc.man \
diff --git a/mingw-w64-gc/PKGBUILD b/mingw-w64-gc/PKGBUILD
index fd2ef100c4..209e2561dc 100644
--- a/mingw-w64-gc/PKGBUILD
+++ b/mingw-w64-gc/PKGBUILD
@@ -4,7 +4,7 @@ _realname=gc
 _mingw_suff=mingw-w64-${CARCH}
 pkgname="${_mingw_suff}-${_realname}"
 pkgver=7.2.d
-pkgrel=1
+pkgrel=2
 pkgdesc="A garbage collector for C and C++ (mingw-w64)"
 arch=('any')
 url="http://www.hpl.hp.com/personal/Hans_Boehm/gc"
@@ -12,27 +12,39 @@ license=("GPL")
 makedepends=(${_mingw_suff}-gcc ${_mingw_suff}-pkg-config)
 depends=(${_mingw_suff}-crt)
 options=('staticlibs' 'strip') #!buildflags
-source=("$url/gc_source/gc-7.2d.tar.gz")
-md5sums=('91340b28c61753a789eb6077675d87d2')
+source=("$url/gc_source/${_realname}-${pkgver%.*}d.tar.gz"
+		0001-winpthreads.mingw.patch
+		0002-export.mingw.patch
+		0003-move-docs.all.patch)
+md5sums=('91340b28c61753a789eb6077675d87d2'
+         '97223c965b5e0c61d9bbf2710b44ddb6'
+         '48a4d5cca9f3ad3218cbaea59a86bee8'
+         'bbd985cd4a16d9b110cfccf4ecd2700b')
+
+
+prepare() {
+	cd "${srcdir}"/${_realname}-${pkgver%.*}
+	patch -p1 -i ${srcdir}/0001-winpthreads.mingw.patch
+	patch -p1 -i ${srcdir}/0002-export.mingw.patch
+	patch -p1 -i ${srcdir}/0003-move-docs.all.patch
+}
 
 build() {
-    mkdir -p "${srcdir}/${pkgname}-${pkgver}-build-${CARCH}"
-    cd "${srcdir}/${pkgname}-${pkgver}-build-${CARCH}"
-    "${srcdir}"/gc-7.2/configure \
-      --prefix=${MINGW_PREFIX} \
-      --build=${MINGW_CHOST} \
-      --host=${MINGW_CHOST} \
-	  --target=${MINGW_CHOST} \
-      --enable-threads=win32 \
-	  --without-libatomic-ops \
-      --enable-cplusplus
-    make
+	mkdir -p "${srcdir}/build-${MINGW_CHOST}"
+	cd "${srcdir}/build-${MINGW_CHOST}"
+	"${srcdir}"/${_realname}-${pkgver%.*}/configure \
+		--prefix=${MINGW_PREFIX} \
+		--build=${MINGW_CHOST} \
+		--host=${MINGW_CHOST} \
+		--target=${MINGW_CHOST} \
+		--enable-threads=posix \
+		--disable-dependency-tracking \
+		--enable-cplusplus
+	make
 }
 
 package() {
-    cd "${srcdir}/${pkgname}-${pkgver}-build-${CARCH}"
-    make DESTDIR="$pkgdir" install
-    #find "${pkgdir}${MINGW_PREFIX}" -name '*.dll' | xargs -rtl1 strip --strip-unneeded
-    #find "${pkgdir}${MINGW_PREFIX}" -name '*.a' -o -name '*.dll' | xargs -rtl1 strip -g
-    rm -r "${pkgdir}${MINGW_PREFIX}/share"
-}
\ No newline at end of file
+	cd "${srcdir}/build-${MINGW_CHOST}"
+	make DESTDIR="$pkgdir" install
+	rm -r "${pkgdir}${MINGW_PREFIX}/share"
+}