diff --git a/devel/Makefile b/devel/Makefile
index faa5afa25577..0ee61e148fae 100644
--- a/devel/Makefile
+++ b/devel/Makefile
@@ -762,6 +762,7 @@
     SUBDIR += libassa
     SUBDIR += libassetml
     SUBDIR += libast
+    SUBDIR += libatomic_ops
     SUBDIR += libaura
     SUBDIR += libavl
     SUBDIR += libbegemot
diff --git a/devel/libatomic_ops/Makefile b/devel/libatomic_ops/Makefile
new file mode 100644
index 000000000000..f8d0d1960d12
--- /dev/null
+++ b/devel/libatomic_ops/Makefile
@@ -0,0 +1,24 @@
+# New ports collection makefile for:	libatomic-ops
+# Date created:				09/22/2011
+# Whom:					stas
+#
+# $FreeBSD$
+#
+
+PORTNAME=	libatomic_ops
+PORTVERSION=	7.2.a6
+PORTREVISION=	0
+CATEGORIES=	devel
+MASTER_SITES=	http://www.hpl.hp.com/personal/Hans_Boehm/gc/gc_source/
+DISTNAME=	gc-${PORTVERSION:S/.a/alpha/}
+
+MAINTAINER=	stas@FreeBSD.org
+COMMENT=	Atomic operations access library
+
+USE_AUTOTOOLS=	aclocal autoconf automake
+GNU_CONFIGURE=	yes
+USE_LDCONFIG=	yes
+
+WRKSRC=		${WRKDIR}/${DISTNAME}/libatomic_ops
+
+.include <bsd.port.mk>
diff --git a/devel/libatomic_ops/distinfo b/devel/libatomic_ops/distinfo
new file mode 100644
index 000000000000..31464ed90574
--- /dev/null
+++ b/devel/libatomic_ops/distinfo
@@ -0,0 +1,2 @@
+SHA256 (gc-7.2alpha6.tar.gz) = ebf425b254773d565e1690287641ed177716a78e952c96fec917edbc64535c16
+SIZE (gc-7.2alpha6.tar.gz) = 1241386
diff --git a/devel/libatomic_ops/files/patch-configure.ac b/devel/libatomic_ops/files/patch-configure.ac
new file mode 100644
index 000000000000..6c16dbb12e5d
--- /dev/null
+++ b/devel/libatomic_ops/files/patch-configure.ac
@@ -0,0 +1,22 @@
+--- configure.ac.orig	2011-09-22 22:52:50.000000000 -0700
++++ configure.ac	2011-09-22 22:53:33.000000000 -0700
+@@ -49,6 +49,10 @@
+       PICFLAG=-fPIC
+       # Any Linux compiler had better be gcc compatible.
+       ;;
++    *-*-freebsd*)
++      AC_MSG_RESULT(-fPIC)
++      PICFLAG=-fPIC
++      ;;
+     *)
+       AC_MSG_RESULT("<none>")
+       ;;
+@@ -68,7 +72,7 @@
+     *-*-netbsd*)
+       AC_DEFINE(_PTHREADS)
+       ;;
+-    *-*-openbsd* | *-*-kfreebsd*-gnu | *-*-dgux*)
++    *-*-freebsd* | *-*-openbsd* | *-*-kfreebsd*-gnu | *-*-dgux*)
+       THREADDLLIBS=-pthread
+       ;;
+     *-*-cygwin* | *-*-darwin*)
diff --git a/devel/libatomic_ops/files/patch-doc_Makefile.am b/devel/libatomic_ops/files/patch-doc_Makefile.am
new file mode 100644
index 000000000000..fdf24271a23e
--- /dev/null
+++ b/devel/libatomic_ops/files/patch-doc_Makefile.am
@@ -0,0 +1,7 @@
+--- doc/Makefile.am.orig	2011-09-22 22:53:38.000000000 -0700
++++ doc/Makefile.am	2011-09-22 22:53:45.000000000 -0700
+@@ -1,3 +1,3 @@
+ # installed documentation
+ #
+-dist_pkgdata_DATA=COPYING LICENSING.txt README.txt README_stack.txt README_malloc.txt README_win32.txt
++dist_doc_DATA=COPYING LICENSING.txt README.txt README_stack.txt README_malloc.txt README_win32.txt
diff --git a/devel/libatomic_ops/pkg-descr b/devel/libatomic_ops/pkg-descr
new file mode 100644
index 000000000000..10d2ae78b536
--- /dev/null
+++ b/devel/libatomic_ops/pkg-descr
@@ -0,0 +1,15 @@
+This package provides semi-portable access to hardware provided
+atomic memory operations.  These might allow you to write code:
+
+- That does more interesting things in signal handlers.
+- Makes more effective use of multiprocessors by allowing you to write
+  clever lock-free code.  Note that such code is very difficult to get
+  right, and will unavoidably be less portable than lock-based code.  It
+  is also not always faster than lock-based code.  But it may occasionally
+  be a large performance win.
+- To experiment with new and much better thread programming paradigms, etc.
+
+For details and licensing restrictions see the files in the doc
+subdirectory.
+
+WWW: http://www.hpl.hp.com/personal/Hans_Boehm/gc/
diff --git a/devel/libatomic_ops/pkg-plist b/devel/libatomic_ops/pkg-plist
new file mode 100644
index 000000000000..3af5d819c47d
--- /dev/null
+++ b/devel/libatomic_ops/pkg-plist
@@ -0,0 +1,73 @@
+include/atomic_ops.h
+include/atomic_ops/generalize-small.h
+include/atomic_ops/generalize.h
+include/atomic_ops/sysdeps/README
+include/atomic_ops/sysdeps/acquire_release_volatile.h
+include/atomic_ops/sysdeps/aligned_atomic_load_store.h
+include/atomic_ops/sysdeps/all_acquire_release_volatile.h
+include/atomic_ops/sysdeps/all_aligned_atomic_load_store.h
+include/atomic_ops/sysdeps/all_atomic_load_store.h
+include/atomic_ops/sysdeps/ao_t_is_int.h
+include/atomic_ops/sysdeps/armcc/arm_v6.h
+include/atomic_ops/sysdeps/atomic_load_store.h
+include/atomic_ops/sysdeps/char_acquire_release_volatile.h
+include/atomic_ops/sysdeps/char_atomic_load_store.h
+include/atomic_ops/sysdeps/emul_cas.h
+include/atomic_ops/sysdeps/gcc/alpha.h
+include/atomic_ops/sysdeps/gcc/arm.h
+include/atomic_ops/sysdeps/gcc/avr32.h
+include/atomic_ops/sysdeps/gcc/cris.h
+include/atomic_ops/sysdeps/gcc/hppa.h
+include/atomic_ops/sysdeps/gcc/ia64.h
+include/atomic_ops/sysdeps/gcc/m68k.h
+include/atomic_ops/sysdeps/gcc/mips.h
+include/atomic_ops/sysdeps/gcc/powerpc.h
+include/atomic_ops/sysdeps/gcc/s390.h
+include/atomic_ops/sysdeps/gcc/sh.h
+include/atomic_ops/sysdeps/gcc/sparc.h
+include/atomic_ops/sysdeps/gcc/x86.h
+include/atomic_ops/sysdeps/gcc/x86_64.h
+include/atomic_ops/sysdeps/generic_pthread.h
+include/atomic_ops/sysdeps/hpc/hppa.h
+include/atomic_ops/sysdeps/hpc/ia64.h
+include/atomic_ops/sysdeps/ibmc/powerpc.h
+include/atomic_ops/sysdeps/icc/ia64.h
+include/atomic_ops/sysdeps/int_acquire_release_volatile.h
+include/atomic_ops/sysdeps/int_aligned_atomic_load_store.h
+include/atomic_ops/sysdeps/int_atomic_load_store.h
+include/atomic_ops/sysdeps/msftc/arm.h
+include/atomic_ops/sysdeps/msftc/common32_defs.h
+include/atomic_ops/sysdeps/msftc/x86.h
+include/atomic_ops/sysdeps/msftc/x86_64.h
+include/atomic_ops/sysdeps/ordered.h
+include/atomic_ops/sysdeps/ordered_except_wr.h
+include/atomic_ops/sysdeps/read_ordered.h
+include/atomic_ops/sysdeps/short_acquire_release_volatile.h
+include/atomic_ops/sysdeps/short_aligned_atomic_load_store.h
+include/atomic_ops/sysdeps/short_atomic_load_store.h
+include/atomic_ops/sysdeps/standard_ao_double_t.h
+include/atomic_ops/sysdeps/sunc/sparc.h
+include/atomic_ops/sysdeps/sunc/x86.h
+include/atomic_ops/sysdeps/sunc/x86_64.h
+include/atomic_ops/sysdeps/test_and_set_t_is_ao_t.h
+include/atomic_ops/sysdeps/test_and_set_t_is_char.h
+include/atomic_ops_malloc.h
+include/atomic_ops_stack.h
+lib/libatomic_ops.a
+lib/libatomic_ops_gpl.a
+%%DOCSDIR%%/COPYING
+%%DOCSDIR%%/LICENSING.txt
+%%DOCSDIR%%/README.txt
+%%DOCSDIR%%/README_malloc.txt
+%%DOCSDIR%%/README_stack.txt
+%%DOCSDIR%%/README_win32.txt
+@dirrm %%DOCSDIR%%
+@dirrm include/atomic_ops/sysdeps/sunc
+@dirrm include/atomic_ops/sysdeps/msftc
+@dirrm include/atomic_ops/sysdeps/icc
+@dirrm include/atomic_ops/sysdeps/ibmc
+@dirrm include/atomic_ops/sysdeps/hpc
+@dirrm include/atomic_ops/sysdeps/gcc
+@dirrm include/atomic_ops/sysdeps/armcc
+@dirrm include/atomic_ops/sysdeps
+@dirrm include/atomic_ops