diff --git a/Transceiver52M/Makefile.am b/Transceiver52M/Makefile.am
index 187a335..9424b8e 100644
--- a/Transceiver52M/Makefile.am
+++ b/Transceiver52M/Makefile.am
@@ -24,10 +24,11 @@
 AM_CPPFLAGS = -Wall $(STD_DEFINES_AND_INCLUDES) -I${srcdir}/common
 AM_CXXFLAGS = -lpthread $(LIBOSMOCORE_CFLAGS) $(LIBOSMOCTRL_CFLAGS) $(LIBOSMOVTY_CFLAGS)
 
+SUBDIRS = common
 if ARCH_ARM
-SUBDIRS = arm
+SUBDIRS += arm
 else
-SUBDIRS = x86
+SUBDIRS += x86
 endif
 
 if USRP1
@@ -58,8 +59,7 @@
 	Transceiver.cpp \
 	ChannelizerBase.cpp \
 	Channelizer.cpp \
-	Synthesis.cpp \
-	common/fft.c
+	Synthesis.cpp
 
 libtransceiver_la_SOURCES = \
 	$(COMMON_SOURCES) \
@@ -83,12 +83,7 @@
 	Resampler.h \
 	ChannelizerBase.h \
 	Channelizer.h \
-	Synthesis.h \
-	common/convolve.h \
-	common/convert.h \
-	common/scale.h \
-	common/mult.h \
-	common/fft.h
+	Synthesis.h
 
 osmo_trx_SOURCES = osmo-trx.cpp
 osmo_trx_LDADD = \
diff --git a/Transceiver52M/arm/Makefile.am b/Transceiver52M/arm/Makefile.am
index 6b0b992..5e423d0 100644
--- a/Transceiver52M/arm/Makefile.am
+++ b/Transceiver52M/arm/Makefile.am
@@ -9,8 +9,9 @@
 
 noinst_LTLIBRARIES = libarch.la
 
+libarch_la_LIBADD = $(top_builddir)/Transceiver52M/common/libarch_common.la
+
 libarch_la_SOURCES = \
-	../common/convolve_base.c \
 	convert.c \
 	convert_neon.S \
 	convolve.c \
diff --git a/Transceiver52M/common/Makefile.am b/Transceiver52M/common/Makefile.am
new file mode 100644
index 0000000..6b37906
--- /dev/null
+++ b/Transceiver52M/common/Makefile.am
@@ -0,0 +1,15 @@
+AM_CFLAGS = -Wall -std=gnu99
+
+noinst_LTLIBRARIES = libarch_common.la
+
+noinst_HEADERS = \
+        convolve.h \
+        convert.h \
+        scale.h \
+        mult.h \
+        fft.h
+
+libarch_common_la_SOURCES = \
+        convolve_base.c \
+        convert_base.c \
+        fft.c
diff --git a/Transceiver52M/x86/Makefile.am b/Transceiver52M/x86/Makefile.am
index 5d84f85..76c0bd2 100644
--- a/Transceiver52M/x86/Makefile.am
+++ b/Transceiver52M/x86/Makefile.am
@@ -4,7 +4,7 @@
 noinst_LTLIBRARIES += libarch_sse_3.la
 noinst_LTLIBRARIES += libarch_sse_4_1.la
 
-libarch_la_LIBADD =
+libarch_la_LIBADD = $(top_builddir)/Transceiver52M/common/libarch_common.la
 
 # SSE 3 specific code
 if HAVE_SSE3
@@ -24,7 +24,5 @@
 endif
 
 libarch_la_SOURCES = \
-	../common/convolve_base.c \
-	../common/convert_base.c \
 	convert.c \
 	convolve.c
diff --git a/configure.ac b/configure.ac
index 916cf18..bade799 100644
--- a/configure.ac
+++ b/configure.ac
@@ -182,6 +182,7 @@
     CommonLibs/Makefile \
     GSM/Makefile \
     Transceiver52M/Makefile \
+    Transceiver52M/common/Makefile \
     Transceiver52M/arm/Makefile \
     Transceiver52M/x86/Makefile \
     tests/Makefile \