add required link arguments to pkg-config file

Author: mattip

local/scipy_openblas64/__init__.py

@@ -62,7 +62,7 @@ def get_pkg_config():
         libs_flags = f"-L${{libdir}} -l{get_library()}"
     else:
         extralib = f"-lm -lpthread -lgfortran -lquadmath -L${{libdir}} -l{get_library()}"
-        libs_flags = ""
+        libs_flags = "-L${{libdir}} -l{get_library()}"
     cflags = "-DBLAS_SYMBOL_PREFIX=scipy_ -DBLAS_SYMBOL_SUFFIX=64_ -DHAVE_BLAS_ILP64 -DOPENBLAS_ILP64_NAMING_SCHEME"
     return dedent(f"""\
         libdir={get_lib_dir()}