add initial empty C, flex, and bison sources

wscript

@@ -1,5 +1,22 @@
+import sys
+
+APP_NAME = "cxlc"
+
+def options(opt):
+    opt.load("compiler_c");
+
 def configure(conf):
-    pass
+    conf.load("compiler_c flex bison");
 
 def build(bld):
-    pass
+    sources = bld.path.ant_glob("src/**/*.c")
+    lexer_source = "src/parser/parser.l"
+    parser_source = "src/parser/parser.y"
+    sources += [lexer_source, parser_source]
+    includes = ["src", "src/parser"]
+    cflags = ["-Wall", "-O2"]
+    bld.program(
+            source = sources,
+            cflags = cflags,
+            target = APP_NAME,
+            includes = includes)