diff --git a/Makefile b/Makefile
index 8f34653..c3bd372 100644
--- a/Makefile
+++ b/Makefile
@@ -7,6 +7,8 @@ include ./etc/make/emacs.mk
 include ./etc/config/$(CONFIG).mk
 include ./bench/config.mk
 
+$(info using configuration CONFIG=$(CONFIG))
+
 MAIN = README.org
 OBJ_FILES = $(patsubst %.cxx,%.o,$(filter-out %.hpp,$(SOURCES)))
 DEP_FILES = $(patsubst %.o,%.d,$(OBJ_FILES))
diff --git a/bench/config.mk b/bench/config.mk
index 6ce132a..602acc2 100644
--- a/bench/config.mk
+++ b/bench/config.mk
@@ -3,7 +3,6 @@ BENCH_TARGETS = $(patsubst %.cxx,%,$(BENCH_SOURCES))
 
 $(BENCH_TARGETS): CXXFLAGS += -I.
 $(BENCH_TARGETS): CXXFLAGS += -fopenmp
-$(BENCH_TARGETS): lib
 bench-clean:
 	-rm -v $(BENCH_TARGETS)
 
diff --git a/etc/config/gcc.mk b/etc/config/gcc.mk
index cac00cb..d57e353 100644
--- a/etc/config/gcc.mk
+++ b/etc/config/gcc.mk
@@ -2,6 +2,8 @@ include etc/make/ctf.mk
 
 CXX = mpic++
 
+bench: lib
+
 CXXFLAGS += -I$(ATRIP_ROOT)/include
 
 CXXFLAGS += -I$(CTF_INCLUDE_PATH)
diff --git a/etc/config/icc.mk b/etc/config/icc.mk
new file mode 100644
index 0000000..e1e568c
--- /dev/null
+++ b/etc/config/icc.mk
@@ -0,0 +1,25 @@
+include etc/make/ctf.mk
+
+CXX = mpic++
+
+bench: static
+
+CTF_CONFIG_FLAGS = CXX=$(CXX) \
+                   CXXFLAGS="-O3" \
+                   LIBS="-lmkl" \
+                   --no-dynamic
+
+CXXFLAGS += -I$(ATRIP_ROOT)/include
+
+CXXFLAGS += -I$(CTF_INCLUDE_PATH)
+CXXFLAGS += -fPIC
+CXXFLAGS += -O3
+
+MKL_LIB = -lmkl_scalapack_lp64 -lmkl_blacs_intelmpi_lp64
+LDFLAGS += -qopenmp -mkl
+LDFLAGS += -lpthread -std=c++11
+LDFLAGS += $(MKL_LIB)
+LDFLAGS += -L$(CTF_BUILD_PATH)/lib -lctf
+
+bench: CXXFLAGS := $(filter-out -fPIC,$(CXXFLAGS))
+bench: LDFLAGS += -Llib/ -latrip
diff --git a/etc/env/vsc4/icc.sh b/etc/env/vsc4/icc.sh
new file mode 100644
index 0000000..2b18e3c
--- /dev/null
+++ b/etc/env/vsc4/icc.sh
@@ -0,0 +1,7 @@
+module load gcc/9.1.0-gcc-4.8.5-mj7s6dg
+module load intel/19.0.5
+module load intel-mkl/2019.5
+module load openmpi/3.1.4-intel-19.0.5.281-lzrjnd7
+module load boost/1.70.0-intel-19.0.5.281-u62owfy
+module load cmake/3.15.1-intel-19.0.5.281-zbb4n77
+module load emacs