find objcryst

Author: Tieqiong

setup.py

@@ -48,20 +48,46 @@ def get_boost_config():
     return {"include_dirs": [str(inc)], "library_dirs": [str(lib)]}
 
 
+def get_objcryst_libraries():
+    conda_prefix = os.environ.get("CONDA_PREFIX")
+    if not conda_prefix:
+        raise EnvironmentError(
+            "CONDA_PREFIX is not set. Please install ObjCryst using conda and activate the environment."
+        )
+    if os.name == "nt":
+        libdir = Path(conda_prefix) / "Library" / "lib"
+    else:
+        libdir = Path(conda_prefix) / "lib"
+
+    libs = []
+    for fn in os.listdir(libdir):
+        low = fn.lower()
+        if "objcryst" in low:
+            libs.append(os.path.splitext(fn)[0])
+    if not libs:
+        raise RuntimeError(f"No ObjCryst libraries found in {libdir}")
+    return libs
+
+
 if os.name == "nt":
     compile_args = ["/std:c++14"]
     macros = [("_USE_MATH_DEFINES", None)]
+    extra_link_args  = ["/FORCE:MULTIPLE"]
 else:
     compile_args = ["-std=c++11"]
     macros = []
+    extra_link_args = []
 
 boost_cfg = get_boost_config()
+objcryst_libs = get_objcryst_libraries()
+
 ext_kws = {
-    "libraries": ["diffpy"] + get_boost_libraries(),
+    "libraries": ["diffpy"] + get_boost_libraries() + objcryst_libs,
     "extra_compile_args": compile_args,
-    "extra_link_args": [],
+    "extra_link_args": extra_link_args,
     "include_dirs": [numpy.get_include()] + boost_cfg["include_dirs"],
     "library_dirs": boost_cfg["library_dirs"],
+    "runtime_library_dirs": boost_cfg["library_dirs"],
     "define_macros": macros,
 }