--- src/Makevars
+++ src/Makevars	2025-02-15 21:10:11.000000000 +0800
@@ -1,6 +1,6 @@
 CXX_STD = CXX17
 
-PKG_CXXFLAGS = $(SHLIB_OPENMP_CXXFLAGS)
+PKG_CXXFLAGS = $(SHLIB_OPENMP_CXXFLAGS) -fpermissive
 PKG_LIBS = $(SHLIB_OPENMP_CXXFLAGS)
 
 PKG_CPPFLAGS = \