diff --git a/submodules/build/builders.d/msamr.mk b/submodules/build/builders.d/msamr.mk
new file mode 100644
index 000000000..d251a01c7
--- /dev/null
+++ b/submodules/build/builders.d/msamr.mk
@@ -0,0 +1,42 @@
+############################################################################
+# msamr.mk 
+# Copyright (C) 2011  Belledonne Communications,Grenoble France
+#
+############################################################################
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+############################################################################
+msamr_dir?=msamr
+$(BUILDER_SRC_DIR)/$(msamr_dir)/configure:
+	cd $(BUILDER_SRC_DIR)/$(msamr_dir) && ./autogen.sh
+
+$(BUILDER_BUILD_DIR)/$(msamr_dir)/Makefile: $(BUILDER_SRC_DIR)/$(msamr_dir)/configure
+	mkdir -p $(BUILDER_BUILD_DIR)/$(msamr_dir)
+	cd $(BUILDER_BUILD_DIR)/$(msamr_dir)/ \
+	&& PKG_CONFIG_PATH=$(prefix)/lib/pkgconfig CONFIG_SITE=$(BUILDER_SRC_DIR)/build/$(config_site) \
+	$(BUILDER_SRC_DIR)/$(msamr_dir)/configure -prefix=$(prefix) --host=$(host) ${library_mode}  
+
+build-msamr: build-opencore-amr $(BUILDER_BUILD_DIR)/$(msamr_dir)/Makefile
+	cd $(BUILDER_BUILD_DIR)/$(msamr_dir) && PKG_CONFIG_PATH=$(prefix)/lib/pkgconfig CONFIG_SITE=$(BUILDER_SRC_DIR)/build/$(config_site)  make && make install
+
+clean-msamr: clean-opencore-amr
+	cd  $(BUILDER_BUILD_DIR)/$(msamr_dir) && make clean
+
+veryclean-msamr: veryclean-opencore-amr
+	cd $(BUILDER_BUILD_DIR)/$(msamr_dir) && make distclean && rm -f configure
+
+clean-makefile-msamr: clean-makefile-opencore-amr
+	cd $(BUILDER_BUILD_DIR)/$(msamr_dir) && rm -f Makefile
diff --git a/submodules/build/builders.d/opencore-amr.mk b/submodules/build/builders.d/opencore-amr.mk
new file mode 100644
index 000000000..14eddd265
--- /dev/null
+++ b/submodules/build/builders.d/opencore-amr.mk
@@ -0,0 +1,44 @@
+############################################################################
+# opencore-amr.mk 
+# Copyright (C) 2011  Belledonne Communications,Grenoble France
+#
+############################################################################
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+############################################################################
+ifneq (,$(findstring arm,$(host)))
+	opencore-amr-configure-option=--enable-gcc-armv5	
+endif
+
+opencore-amr_dir?=externals/opencore-amr
+$(BUILDER_BUILD_DIR)/$(opencore-amr_dir)/Makefile: $(BUILDER_SRC_DIR)/$(opencore-amr_dir)/configure
+	mkdir -p $(BUILDER_BUILD_DIR)/$(opencore-amr_dir)
+	cd $(BUILDER_BUILD_DIR)/$(opencore-amr_dir)/ \
+	&& CONFIG_SITE=$(BUILDER_SRC_DIR)/build/$(config_site) \
+	$(BUILDER_SRC_DIR)/$(opencore-amr_dir)/configure -prefix=$(prefix) --host=$(host) ${library_mode} ${opencore-amr-configure-option} 
+
+build-opencore-amr: $(BUILDER_BUILD_DIR)/$(opencore-amr_dir)/Makefile
+	cd $(BUILDER_BUILD_DIR)/$(opencore-amr_dir) && PKG_CONFIG_PATH=$(prefix)/lib/pkgconfig CONFIG_SITE=$(BUILDER_SRC_DIR)/build/$(config_site)  make && make install
+
+clean-opencore-amr:
+	cd  $(BUILDER_BUILD_DIR)/$(opencore-amr_dir) && make clean
+
+veryclean-opencore-amr:
+	cd $(BUILDER_BUILD_DIR)/$(opencore-amr_dir) && make distclean
+	cd $(BUILDER_SRC_DIR)/$(opencore-amr_dir) && rm -f configure
+
+clean-makefile-opencore-amr:
+	cd $(BUILDER_BUILD_DIR)/$(opencore-amr_dir) && rm -f Makefile