--- src/Makevars.in	2024-04-03 18:46:42.000000000 +0800
+++ src/Makevars.in	2024-04-05 15:51:31.000000000 +0800
@@ -1,2 +1,2 @@
-PKG_LIBS = $(LAPACK_LIBS) $(BLAS_LIBS) $(FLIBS) @TBB_LIBS@
-PKG_CXXFLAGS = -I../inst/include @TBB_CFLAGS@
+PKG_LIBS = $(LAPACK_LIBS) $(BLAS_LIBS) $(FLIBS) -L@PREFIX@/libexec/onetbb/lib -ltbb
+PKG_CXXFLAGS = -DTBB -I@PREFIX@/libexec/onetbb/include -I../inst/include