Global Makefile and typo correction

Makefile

@@ -0,0 +1,38 @@
+##########################################################################################
+# Makefile to build CAD tools in OpenFPGA inspired by Verilog-to-Routing (VTR) Framework #
+##########################################################################################
+
+SUBDIRS =  abc_with_bb_support ace2 vpr7_x2p
+
+all: notifications subdirs
+
+subdirs: $(SUBDIRS)
+
+$(SUBDIRS):
+	@ $(MAKE) -C $@ --no-print-directory
+	
+notifications: 
+# checks if required packages are installed, and notifies the user if not
+	@ if cat /etc/issue | grep Ubuntu -c >>/dev/null; then if ! dpkg -l | grep exuberant-ctags -c >>/dev/null; then echo "\n\n\n\n***************************************************************\n* Required package 'ctags' not found.                         *\n* Type 'make packages' to install all packages, or            *\n* 'sudo apt-get install exuberant-ctags' to install manually. *\n***************************************************************\n\n\n\n"; fi; fi
+	@ if cat /etc/issue | grep Ubuntu -c >>/dev/null; then if ! dpkg -l | grep bison -c >>/dev/null; then echo "\n\n\n\n*****************************************************\n* Required package 'bison' not found.               *\n* Type 'make packages' to install all packages, or  *\n* 'sudo apt-get install bison' to install manually. *\n*****************************************************\n\n\n\n"; fi; fi
+	@ if cat /etc/issue | grep Ubuntu -c >>/dev/null; then if ! dpkg -l | grep flex -c >>/dev/null; then echo "\n\n\n\n*****************************************************\n* Required package 'flex' not found.                *\n* Type 'make packages' to install all packages, or  *\n* 'sudo apt-get install flex' to install manually.  *\n*****************************************************\n\n\n\n"; fi; fi
+	@ if cat /etc/issue | grep Ubuntu -c >>/dev/null; then if ! dpkg -l | grep g++ -c >>/dev/null; then echo "\n\n\n\n*****************************************************\n* Required package 'g++' not found.                 * \n* Type 'make packages' to install all packages, or  *\n* 'sudo apt-get install g++' to install manually.   *\n*****************************************************\n\n\n\n"; fi; fi
+
+packages:
+# checks if required packages are installed, and installs them if not
+	@ if cat /etc/issue | grep Ubuntu -c >>/dev/null; then if ! dpkg -l | grep exuberant-ctags -c >>/dev/null; then sudo apt-get install exuberant-ctags; fi; fi
+	@ if cat /etc/issue | grep Ubuntu -c >>/dev/null; then if ! dpkg -l | grep bison -c >>/dev/null; then sudo apt-get install bison; fi; fi
+	@ if cat /etc/issue | grep Ubuntu -c >>/dev/null; then if ! dpkg -l | grep flex -c >>/dev/null; then sudo apt-get install flex; fi; fi
+	@ if cat /etc/issue | grep Ubuntu -c >>/dev/null; then if ! dpkg -l | grep g++ -c >>/dev/null; then sudo apt-get install g++; fi; fi
+	@ cd vpr && make packages
+
+clean:
+	@ cd abc_with_bb_support && make clean
+	@ cd ace2 && make clean
+	@ cd vpr7_x2p && make clean
+	@ cd vtr_release && make clean
+	
+clean_vpr:
+	@ cd vpr && make clean
+
+.PHONY: packages subdirs $(SUBDIRS)

fpga_flow/benchmarks/fpga_spice_bench.txt

@@ -1,4 +1,4 @@
-# Circuit Names, fixed routint channel width, 
+# Circuit Names, fixed routing channel width, 
 s298.blif, 60
 elliptic.blif, 60
 simple_spi.blif, 60

fpga_flow/benchmarks/mcnc_big20.txt

@@ -1,4 +1,4 @@
-# Circuit Names, fixed routint channel width, 
+# Circuit Names, fixed routing channel width, 
 #alu4.blif, 120
 #apex2.blif, 120
 #apex4.blif, 120

fpga_flow/generate_config.sh

@@ -1,7 +1,7 @@
 #! /bin/sh
 PATH=$PWD
-#DEST=configs/fpga_spice/k6_N10_sram_tsmc40nm_TT.conf
-DEST=configs/fpga_spice/test.conf
+DEST=configs/fpga_spice/k6_N10_sram_tsmc40nm_TT.conf
+#DEST=configs/fpga_spice/test.conf
 
 if [ -e "$DEST" ]; then
 echo "" > $DEST;