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From: Bret Towe <bret.towe@gmail.com>
Date: Wed, 28 Mar 2018 15:30:15 -0700
Message-ID: <CAM+OQmDZ-g=wHnjo9dapMaKv7UHsgkyEx6zOY9piAGGNUrkLgQ@mail.gmail.com>
To: Cake List <cake@lists.bufferbloat.net>
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Subject: [Cake] gcc 7.3.1 issue on arch
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for anyone seeing a compile error like the below on Arch Linux

  CC [M]  /root/sch_cake/sch_cake.o
In file included from ./include/linux/list.h:9:0,
                 from ./include/linux/module.h:9,
                 from /root/sch_cake/sch_cake.c:42:
./include/linux/kernel.h:6:10: fatal error: stdarg.h: No such file or directory
 #include <stdarg.h>
          ^~~~~~~~~~
compilation terminated.


the workaround is below

diff --git a/Makefile b/Makefile
index 2c473e3..428ffbf 100644
--- a/Makefile
+++ b/Makefile
@@ -2,6 +2,7 @@ obj-m := sch_cake.o
 KERNEL_VERSION := $(shell uname -r)
 IDIR := /lib/modules/$(KERNEL_VERSION)/kernel/net/sched/
 KDIR := /lib/modules/$(KERNEL_VERSION)/build
+ccflags-y=-I/usr/lib/gcc/x86_64-pc-linux-gnu/7.3.1/include
 PWD := $(shell pwd)
 VERSION := $(shell git rev-parse HEAD 2>/dev/null)
 default: