1 diff --git a/src/Makefile.am b/src/Makefile.am
2 index 089bc97..2d31b6a 100644
5 @@ -149,7 +149,7 @@ install-exec-hook:
8 mkheader: mkheader.c Makefile
9 - $(CC_FOR_BUILD) -I. -I$(srcdir) -o $@ $(srcdir)/mkheader.c
10 + $(CC_FOR_BUILD) -I. -I$(srcdir) $(CFLAGS) -o $@ $(srcdir)/mkheader.c
12 assuan.h: assuan.h.in mkheader $(parts_of_assuan_h)
13 ./mkheader $(host_os) $(srcdir)/assuan.h.in \