26 lines
1.1 KiB
Diff

diff --git a/src/ctypesgen/__main__.py b/src/ctypesgen/__main__.py
index 23ee014..2d0cfc1 100644
--- a/src/ctypesgen/__main__.py
+++ b/src/ctypesgen/__main__.py
@@ -89,17 +89,9 @@ def main_impl(args, cmd_str):
assert _is_relative_to(args.output, args.linkage_anchor)
if args.cpp:
- assert shutil.which(args.cpp[0]), f"Given pre-processor {args.cpp[0]!r} is not available."
- else:
- if shutil.which("gcc"):
- args.cpp = ["gcc", "-E"]
- elif shutil.which("cpp"):
- args.cpp = ["cpp"]
- elif shutil.which("clang"):
- args.cpp = ["clang", "-E"]
- else:
- raise RuntimeError("C pre-processor auto-detection failed: neither gcc nor clang available.")
-
+ print("cpp argument ignored for nix build")
+ args.cpp = ["@cc@", "-E"]
+
# Important: must not use +=, this would mutate the original object, which is problematic when default=[] is used and ctypesgen called repeatedly from within python
args.compile_libdirs = args.compile_libdirs + args.universal_libdirs
args.runtime_libdirs = args.runtime_libdirs + args.universal_libdirs