add octabuild build file for octabuild itself

README.md

@@ -40,6 +40,9 @@ Use the provided Makefile to build - adjust the paths to OctaSTD and
 libcubescript if necessary. There is a provided example build script
 in `example`.
 
+It's also possible to build OctaBuild with OctaBuild. There is a provided
+obuild.cfg in the main directory.
+
 The octabuild binary supports the `-h` option to display help.
 
 ## License

obuild.cfg

@@ -0,0 +1,36 @@
+CXX = (getenv CXX c++)
+
+OB_CXXFLAGS = "-g -Wall -Wextra -O2"
+
+CUBESCRIPT_PATH = "../libcubescript"
+OCTASTD_PATH = "../octastd"
+
+FILES = [main.o globs.o cubescript.o]
+
+OB_CXXFLAGS = [@OB_CXXFLAGS -std=c++11 -I. -I@CUBESCRIPT_PATH -I@OCTASTD_PATH -pthread]
+
+rule obuild $FILES [
+    echo "  LD" $target
+    shell $CXX $OB_CXXFLAGS -o obuild $sources
+]
+
+rule cubescript.o [@CUBESCRIPT_PATH/cubescript.cc] [
+    echo " CXX" $target
+    shell $CXX $OB_CXXFLAGS -c -o $target $source
+]
+
+rule %.o %.cc [
+    echo " CXX" $target
+    shell $CXX $OB_CXXFLAGS -c -o $target $source
+]
+
+action clean [
+    echo " CLEAN" $FILES obuild
+    shell rm -f $FILES obuild
+]
+
+depend main.o globs.hh tpool.hh [@CUBESCRIPT_PATH/cubescript.hh]
+depend globs.o globs.hh [@CUBESCRIPT_PATH/cubescript.hh]
+depend cubescript.o [@CUBESCRIPT_PATH/cubescript.hh]
+
+rule default obuild