--- graphviz-2.46.1/lib/vmalloc/Makefile.am.orig 2021-02-18 17:44:23.990163756 +0100
+++ graphviz-2.46.1/lib/vmalloc/Makefile.am 2021-02-18 17:46:38.615438829 +0100
@@ -9,4 +9,5 @@
vmopen.c \
vmstrdup.c
+libvmalloc_C_la_CFLAGS = -fno-strict-aliasing
EXTRA_DIST = vmalloc.vcxproj*