diff --git a/configure.ac b/configure.ac
index 56e20577..3706b6c4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -65,8 +65,19 @@ AC_ARG_ENABLE(sysmocom-dsp,
 		AC_HELP_STRING([--enable-sysmocom-dsp],
 				[enable code for sysmocom DSP [default=no]]),
 		[enable_sysmocom_dsp="$enableval"],[enable_sysmocom_dsp="no"])
+AC_ARG_WITH([sysmobts], [AS_HELP_STRING([--with-sysmobts=INCLUDE_DIR], [Location of the sysmobts API header files])],
+			 [sysmobts_incdir="$withval"],[sysmobts_incdir="$incdir"])
+AC_SUBST([SYSMOBTS_INCDIR], $sysmobts_incdir)
 AC_MSG_RESULT([$enable_sysmocom_dsp])
 AM_CONDITIONAL(ENABLE_SYSMODSP, test "x$enable_sysmocom_dsp" = "xyes")
+if test "$enable_sysmocom_bts" = "yes"; then
+	oldCPPFLAGS=$CPPFLAGS
+	CPPFLAGS="$CPPFLAGS -I$SYSMOBTS_INCDIR -I$srcdir/include $LIBOSMOCORE_CFLAGS"
+	AC_CHECK_HEADER([sysmocom/femtobts/superfemto.h],[],
+			[AC_MSG_ERROR([sysmocom/femtobts/superfemto.h can not be found in $sysmobts_incdir])],
+			[#include <sysmocom/femtobts/superfemto.h>])
+	CPPFLAGS=$oldCPPFLAGS
+fi
 
 AC_MSG_CHECKING([whether to enable direct PHY access for PDCH of NuRAN Wireless Litecell 1.5 BTS])
 AC_ARG_ENABLE(lc15bts-phy,
diff --git a/contrib/jenkins.sh b/contrib/jenkins.sh
index b7cfc3d7..af25c691 100755
--- a/contrib/jenkins.sh
+++ b/contrib/jenkins.sh
@@ -26,15 +26,13 @@ mkdir "$deps" || true
 # Collect configure options for osmo-pcu
 PCU_CONFIG=""
 if [ "$with_dsp" = sysmo ]; then
-  PCU_CONFIG="$PCU_CONFIG --enable-sysmocom-dsp"
+  PCU_CONFIG="$PCU_CONFIG --enable-sysmocom-dsp --with-sysmobts=$inst/include/"
 
   # For direct sysmo DSP access, provide the SysmoBTS Layer 1 API
   cd "$deps"
   osmo-layer1-headers.sh sysmo
-  cd layer1-headers
-  api_incl="$inst/include/sysmocom/femtobts/"
-  mkdir -p "$api_incl"
-  cp include/*.h "$api_incl"
+  mkdir -p "$inst/include/sysmocom/femtobts"
+  ln -s $deps/layer1-headers/include/* "$inst/include/sysmocom/femtobts/"
   cd "$base"
 
 elif [ "$with_dsp" = lc15 ]; then
diff --git a/src/Makefile.am b/src/Makefile.am
index a6e98e5d..7d2a62e1 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -103,7 +103,7 @@ nobase_include_HEADERS =
 osmo_pcu_SOURCES = pcu_main.cpp
 
 if ENABLE_SYSMODSP
-AM_CPPFLAGS += -I$(srcdir)/osmo-bts-sysmo
+AM_CPPFLAGS += -I$(srcdir)/osmo-bts-sysmo -I$(SYSMOBTS_INCDIR)
 
 EXTRA_DIST = \
 	osmo-bts-sysmo/sysmo_l1_if.c \