Add support for cmd-line cmake params to control jigsaw build

Author: dengwirda

build.py

@@ -2,10 +2,14 @@
 import os
 import subprocess
 import shutil
+import argparse
 
 HERE = os.path.abspath(os.path.dirname(__file__))
 
-def build_external():
+def build_external(build_type="Release", 
+                   netcdf_user_path=None,
+                   openmp_user_path=None
+                   ):
 #-- The actual cmake-based build steps for JIGSAW
 
     cwd_pointer = os.getcwd()
@@ -41,17 +45,26 @@ def build_external():
         os.chdir(builds_path)
 
         config_call = [
-            "cmake",
-            "..", "-DCMAKE_BUILD_TYPE=Release"]
+            "cmake", "..", 
+        "-DCMAKE_BUILD_TYPE=" + build_type]
 
+        if (netcdf_user_path is not None):
+            config_call+= [
+        "-DNETCDF_USER_PATH="+netcdf_user_path]
+
+        if (openmp_user_path is not None):
+            config_call+= [
+        "-DOPENMP_USER_PATH="+openmp_user_path]
+
+        print(config_call)
         subprocess.run(config_call, check=True)
 
         print("cmake compile for jigsaw...")
 
         try:            
             compilecall = [
                 "cmake", "--build", ".",
-                "--config", "Release",
+                "--config", build_type,
                 "--target", "install",
                 "--parallel", "4"
                 ]
@@ -61,7 +74,7 @@ def build_external():
         except:
             compilecall = [
                 "cmake", "--build", ".",
-                "--config", "Release",
+                "--config", build_type,
                 "--target", "install"
                 ]
             subprocess.run(
@@ -78,5 +91,32 @@ def build_external():
         shutil.rmtree(builds_path)
 
 
-if (__name__ == "__main__"): build_external()
+if (__name__ == "__main__"):
+    parser = argparse.ArgumentParser(
+        description=__doc__,
+        formatter_class=argparse.RawTextHelpFormatter)
+
+    parser.add_argument(
+        "--cmake-build-type", dest="cmake_build_type",
+        required=False,
+        type=str, default="Release", 
+        help="Build JIGSAW in {Release}, Debug mode.")
+
+    parser.add_argument(
+        "--netcdf-user-path", dest="netcdf_user_path",
+        required=False,
+        type=str, default=None,
+        help="(Optional) dir. containing netcdf lib.")
+
+    parser.add_argument(
+        "--openmp-user-path", dest="openmp_user_path",
+        required=False,
+        type=str, default=None,
+        help="(Optional) dir. containing openmp lib.")
+
+    args = parser.parse_args()
+
+    build_external(args.cmake_build_type,
+                   args.netcdf_user_path,
+                   args.openmp_user_path)