bug fix on Makefile and travis

.travis/script.sh

@@ -9,12 +9,14 @@ start_section "OpenFPGA.build" "${GREEN}Building..${NC}"
 if [[ $TRAVIS_OS_NAME == 'osx' ]]; then
   #make
   mkdir build
+  cd build
   cmake ..
   make -j2
 else 
 # For linux, we enable full package compilation
   #make
   mkdir build
+  cd build
   cmake ..
   make -j2
 fi

Makefile

@@ -2,7 +2,7 @@
 # Makefile to build CAD tools in OpenFPGA inspired by Verilog-to-Routing (VTR) Framework #
 ##########################################################################################
 
-SUBDIRS =  abc_with_bb_support ace2 vpr7_x2p yosys
+SUBDIRS =  abc_with_bb_support abc ace2 vpr7_x2p yosys
 
 all: notifications subdirs
 
@@ -28,6 +28,7 @@ packages:
 
 clean:
 	@ cd abc_with_bb_support && make clean
+	@ cd abc && make clean
 	@ cd ace2 && make clean
 	@ cd vpr7_x2p && make clean
 	@ cd yosys && make clean