Add optional flags to make the build verbose.

Author: Diptorup Deb

scripts/build_locally.py

@@ -370,6 +370,8 @@ def _build_imex(
             "-DIMEX_ENABLE_TESTS=" + "ON" if enable_tests else "OFF",
             "-DIMEX_ENABLE_NUMBA_FE=" + "ON" if enable_numba_fe else "OFF",
             "-DIMEX_ENABLE_TBB_SUPPORT=" "ON" if enable_tbb else "OFF",
+            "-DCMAKE_VERBOSE_MAKEFILE=ON",
+            "--debug-trycompile",
             os.path.abspath(imex_source_dir),
         ]
     )
@@ -395,7 +397,14 @@ def _build_imex(
     llvm_builder = parser.add_argument_group(title="LLVM build arguments")
     imex_builder = parser.add_argument_group(title="IMEX build arguments")
 
-    llvm_builder.add_argument("--c-compiler", help="Name of C compiler", default=None)
+    llvm_builder.add_argument(
+        "--verbose",
+        action="store_true",
+        help="Turns on CMAKE_MAKE_VERBOSE",
+    )
+    llvm_builder.add_argument(
+        "--c-compiler", type=str, help="Name of C compiler", default=None
+    )
     llvm_builder.add_argument(
         "--cxx-compiler", help="Name of C++ compiler", default=None
     )