--- libpcap/Makefile.in.orig	2022-08-31 11:39:55.000000000 -0700
+++ libpcap/Makefile.in	2022-09-28 08:38:02.131119000 -0700
@@ -70,8 +70,8 @@
 EXTRA_NETWORK_LIBS=@EXTRA_NETWORK_LIBS@
 
 # Standard CFLAGS for building members of a shared library
-FULL_CFLAGS = $(CCOPT) @V_LIB_CCOPT_FAT@ $(SHLIB_CCOPT) $(INCLS) $(DEFS) $(CFLAGS)
-CXXFLAGS = $(CCOPT) @V_LIB_CCOPT_FAT@ $(SHLIB_CCOPT) $(INCLS) $(DEFS) $(CFLAGS)
+FULL_CFLAGS = -I. $(CCOPT) @V_LIB_CCOPT_FAT@ $(SHLIB_CCOPT) $(INCLS) $(DEFS) $(CFLAGS)
+CXXFLAGS = -I. $(CCOPT) @V_LIB_CCOPT_FAT@ $(SHLIB_CCOPT) $(INCLS) $(DEFS) $(CFLAGS)
 
 INSTALL = @INSTALL@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
