Re: [PATCH] eal: fix build

[Thomas Monjalon <thomas.monjalon@6wind.com>]

2015-07-29 15:00, Zhang, Helin:
> Hi Thomas
> 
> It was just an implicit declaration of function, when set
> CONFIG_RTE_PCI_CONFIG=y, as follows. Nobody else cares about it.

Why do we have this config option?
Please remove these useless ifdef's.

> /home/hzhan75/r22/isg_cid-dpdk_org/lib/librte_eal/common/eal_common_pci.c: In function �rte_eal_pci_probe_one_driver’:
> /home/hzhan75/r22/isg_cid-dpdk_org/lib/librte_eal/common/eal_common_pci.c:188:4: error: implicit declaration of function �pci_config_space_set’ [-Werror=implicit-function-declaration]
>     pci_config_space_set(dev);
>     ^
> /home/hzhan75/r22/isg_cid-dpdk_org/lib/librte_eal/common/eal_common_pci.c:188:4: error: nested extern declaration of �pci_config_space_set’ [-Werror=nested-externs]
> cc1: all warnings being treated as errors
> /home/hzhan75/r22/isg_cid-dpdk_org/lib/librte_eal/linuxapp/eal/eal_pci.c:561:1: error: �pci_config_space_set’ defined but not used [-Werror=unused-function]
>  pci_config_space_set(struct rte_pci_device *dev)
>  ^
> cc1: all warnings being treated as errors

So I will change the title to:
	eal: fix build with pci config enabled

and add this into the message:
	Build log:
		lib/librte_eal/common/eal_common_pci.c:188:4: error:
		implicit declaration of function pci_config_space_set


> > -----Original Message-----
> > From: Thomas Monjalon [mailto:thomas.monjalon@6wind.com]
> > Sent: Wednesday, July 29, 2015 1:20 AM
> > To: Zhang, Helin
> > Cc: dev@dpdk.org
> > Subject: Re: [dpdk-dev] [PATCH] eal: fix build
> > 
> > 2015-07-29 06:48, Helin Zhang:
> > > It fixes the build error of implicit declaration of function.
> > 
> > What is the error?
> > Please show the build log and describe the case when it happens (compiler,
> > version).