diff --git a/.travis.yml b/.travis.yml
index f13cf45eb..f874e6231 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,6 @@
+os:
+  - osx
+  - linux
 env:
   global:
   - GCC_BASE=gcc-arm-none-eabi-8-2018-q4-major
@@ -9,13 +12,21 @@ addons:
   apt:
     packages: libc6-i386 octave-common octave gnuplot
       sox p7zip-full python3-numpy octave-signal valgrind
+  homebrew:
+    packages: 
+      - p7zip
+      - octave
+      - sox
+      - valgrind
+    update: true 
 cache:
   directories:
   - "$HOME/$GCC_BASE"
 install:
+- if [ $TRAVIS_OS_NAME = linux ]; then export GCC_OS=linux ; else GCC_OS=mac; fi        
 - export GCC_DIR=$HOME/$GCC_BASE
-- export GCC_ARCHIVE=$HOME/$GCC_BASE-linux.tar.bz2
-- export GCC_URL=https://armkeil.blob.core.windows.net/developer/Files/downloads/gnu-rm/$GCC_SHORT/$GCC_BASE-linux.tar.bz2
+- export GCC_ARCHIVE=$HOME/$GCC_BASE-$GCC_OS.tar.bz2
+- export GCC_URL=https://armkeil.blob.core.windows.net/developer/Files/downloads/gnu-rm/$GCC_SHORT/$GCC_BASE-$GCC_OS.tar.bz2
 - if [ ! -e $GCC_DIR/bin/arm-none-eabi-g++ ]; then wget -q $GCC_URL -O $GCC_ARCHIVE;
   tar xfj $GCC_ARCHIVE -C $HOME; fi
 - export CODEC2DEV=${PWD}
@@ -26,6 +37,7 @@ install:
 - if [ ! "$STDLIBURL" == "" ]; then pwd; wget -q $STDLIBURL; 7z  x -p$STDLIBKEY -o$HOME
   stdperiph_lib.zip; fi
 - unset STDLIBURL STDLIBKEY # DO NOT TOUCH  
+- if [ $TRAVIS_OS_NAME = osx ]; then python3 -m pip install numpy && echo "pkg install -forge control signal" |  octave-cli ; fi
 script:
 - mkdir -p $BUILDSTD
 - cd $BUILDSTD
@@ -48,4 +60,4 @@ before_install:
   && rm -f /tmp/ut_travis; 
   fi
 - unset KEY_K KEY_IV 
-# DO NOT TOUCH END
\ No newline at end of file
+# DO NOT TOUCH END
diff --git a/unittest/CMakeLists.txt b/unittest/CMakeLists.txt
index 6e99aa5b6..a7ed77704 100644
--- a/unittest/CMakeLists.txt
+++ b/unittest/CMakeLists.txt
@@ -38,6 +38,7 @@ if (CMAKE_C_COMPILER MATCHES "gcc$")
 else()
     target_link_libraries(ofdm_stack function_trace m -no-pie)
     target_compile_options(ofdm_stack PUBLIC -finstrument-functions -no-pie)
+    target_link_libraries(ofdm_stack function_trace m -no-pie)
 endif()
 add_definitions(-D__UNITTEST__)