enh: setup build0.sh and src/CMakelists.txt

Author: Pranavchiku

build0.sh

@@ -10,11 +10,11 @@ python grammar/asdl_py.py
 # Generate a Python AST from Python.asdl (C++)
 python src/libasr/asdl_cpp.py grammar/Python.asdl src/lpython/python_ast.h
 # Generate a Fortran ASR from ASR.asdl (C++)
-python src/libasr/asdl_cpp.py src/libasr/ASR.asdl src/libasr/asr.h
-# Generate a wasm_visitor.h from src/libasr/wasm_instructions.txt (C++)
-python src/libasr/wasm_instructions_visitor.py
+python lfortran/src/libasr/asdl_cpp.py lfortran/src/libasr/ASR.asdl lfortran/src/libasr/asr.h
+# Generate a wasm_visitor.h from lfortran/src/libasr/wasm_instructions.txt (C++)
+python lfortran/src/libasr/wasm_instructions_visitor.py
 # Generate the intrinsic_function_registry_util.h (C++)
-python src/libasr/intrinsic_func_registry_util_gen.py
+python lfortran/src/libasr/intrinsic_func_registry_util_gen.py
 
 # Generate the tokenizer and parser
 (cd src/lpython/parser && re2c -W -b tokenizer.re -o tokenizer.cpp)

src/CMakeLists.txt

@@ -1,4 +1,5 @@
-add_subdirectory(libasr)
+# add_subdirectory(libasr)
+add_subdirectory(${CMAKE_SOURCE_DIR}/lfortran/src/libasr ${CMAKE_BINARY_DIR}/libasr)
 add_subdirectory(tests)
 add_subdirectory(lpython)
 add_subdirectory(bin)