--- cmake/manifold.pc.in.orig	2026-10-10 12:55:42 UTC
+++ cmake/manifold.pc.in
@@ -9,4 +9,4 @@ Libs: -L${libdir} -lmanifold@PCFILE_LIB_SUFFIX@
 URL: https://github.com/elalish/manifold
 Requires-private: @TEMPLATE_OPTIONAL_TBB@ @TEMPLATE_OPTIONAL_CLIPPER@
 Libs: -L${libdir} -lmanifold@PCFILE_LIB_SUFFIX@
-Cflags: -I${includedir} -std=c++17
+Cflags: -I${includedir}