introduce travis ci

.travis.yml

@@ -0,0 +1,16 @@
+language: python
+python:
+  - 2.7
+  - 3.4
+env:
+  - EXE_TRAVIS=1
+cache: apt
+before_install:
+  - sudo apt-get install iverilog
+  - sudo apt-get install graphviz
+  - pip install pygraphviz jinja2
+before_script:
+  - pip freeze
+script:
+#  - export EXE_TRAVIS=1
+  - make

Makefile

@@ -1,5 +1,7 @@
 .PHONY: all
 all:
+	export PYTHON=python3
+	export PYTHON27=python2.7
 	make -C ./pyverilog
 
 .PHONY: clean

pyverilog/ast_code_generator/Makefile

@@ -1,4 +1,8 @@
-PYTHON=python3
+ifndef EXE_TRAVIS
+	PYTHON=python3
+else
+	PYTHON=python
+endif
 #OPT=-m pdb
 #OPT=-m cProfile -s time
 #OPT=-m cProfile -o profile.rslt

pyverilog/controlflow/Makefile

@@ -1,3 +1,8 @@
+ifndef EXE_TRAVIS
+	PYTHON=python3
+else
+	PYTHON=python
+endif
 PYTHON=python3
 #PYTHON=python2.7
 #OPT=-m pdb

pyverilog/dataflow/Makefile

@@ -1,4 +1,8 @@
-PYTHON=python3
+ifndef EXE_TRAVIS
+	PYTHON=python3
+else
+	PYTHON=python
+endif
 #PYTHON=python2.7
 PYTHON27=python2.7
 #OPT=-m pdb
@@ -42,11 +46,18 @@ subset:
 
 .PHONY: codegen
 codegen:
-		$(PYTHON) $(OPT) $(CODEGEN) $(SRCS) $(TOP) $(TARGETS) $(CODEGEN_OPT)
+	$(PYTHON) $(OPT) $(CODEGEN) $(SRCS) $(TOP) $(TARGETS) $(CODEGEN_OPT)
 
 .PHONY: graphgen
 graphgen:
-		$(PYTHON27) $(OPT) $(GRAPHGEN) $(SRCS) $(TOP) $(TARGETS) $(GRAPHGEN_OPT)
+ifdef EXE_TRAVIS
+ifdef EXE_GRAPHGEN
+	python --version
+	$(PYTHON) $(OPT) $(GRAPHGEN) $(SRCS) $(TOP) $(TARGETS) $(GRAPHGEN_OPT)
+endif
+else
+	$(PYTHON27) $(OPT) $(GRAPHGEN) $(SRCS) $(TOP) $(TARGETS) $(GRAPHGEN_OPT)
+endif
 
 .PHONY: clean
 clean: