diff --git a/source/m3_config_platforms.h b/source/m3_config_platforms.h
index e775840..e32779a 100644
--- a/source/m3_config_platforms.h
+++ b/source/m3_config_platforms.h
@@ -244,7 +244,7 @@ typedef int8_t          i8;
  */
 
 # ifndef d_m3MaxFunctionStackHeight
-#  if defined(ESP8266) || defined(ESP32) || defined(ARDUINO_AMEBA)
+#  if defined(ESP8266) || defined(ESP32) || defined(ARDUINO_AMEBA) || defined(TEENSYDUINO)
 #    define d_m3MaxFunctionStackHeight          128
 #  endif
 # endif
diff --git a/test/tailcall/build.sh b/test/tailcall/build.sh
index 1b789f3..cc9887c 100755
--- a/test/tailcall/build.sh
+++ b/test/tailcall/build.sh
@@ -73,6 +73,11 @@ export STAGING_DIR=$OPT/openwrt-chaoscalmer/staging_dir
 export PATH=$OPT/openwrt-chaoscalmer/staging_dir/toolchain-mipsel_24kec+dsp_gcc-4.8-linaro_uClibc-0.9.33.2/bin:$PATH
 mipsel-openwrt-linux-gcc $FLAGS -mno-branch-likely -mips32r2 -mtune=24kc -fno-caller-saves -fno-plt -fhonour-copts -S ops.c -o mips24kc.S
 
+# gcc - arc
+
+export PATH=~/.platformio/packages/toolchain-intelarc32/bin:$PATH
+arc-elf32-gcc $FLAGS -S ops.c -o arc32.S
+
 # ----------------------
 # Just for fun ;)