HamanStone’s Linux Notes

經過了322的總統大選後，長昌配落選，心情稍稍受了點影響。

還有再加上最近工作很不順，又有很多與工作不相干的事重疊在一起，感覺好累。

或許也跟最近感冒生病有點關係吧!!

反正就是有點憂鬱就是了。

不知道何時才能走出這段不快樂~~~ 

The command to install these packages is:
Become root:

$ sudo -s

# apt-get install linux-headers-`uname -r` linux-restricted-modules-`uname -r` build-essential gcc-3.4

The linux stuff is installed under /usr/src. So I suggest, you go there:

# cd /usr/src

and move the spca5xx source from your home directory to this location:

# mv ~/spca5xx-20051212.tar.gz .

Unpack it

# tar xfvz spca5xx-20051212.tar.gz

Enter the spca5xx directory

# cd spca5xx-20051212

Workaround to make the Makefile use gcc-3.4
The Makefile which controls the compiling process for this driver has to be told to use gcc-3.4 instead of the default version 4.0:

CC=gcc-3.4
export CC

This sets the environment variable CC, which is used in the spac5xx Makefile to select the compiler.
Setting a link back to the source code (headers)
Furthermore the spca5xx Makefile expect a pointer to the kernel source at a specific location. Let’s create it:

# ln -s /usr/src/linux-headers-`uname -r` /lib/modules/`uname -r`/build

(Note: If you compile a kernel, this link is usually there. But as we use a pre-compiled kernel, we have to cheat.)
Compiling the spca5xx source code

# make

There should be no errors.
Removing the old driver from memory

# modprobe -r spca5xx

Removing the old driver from the hard drive

# rm -rf /lib/modules/`uname -r`/kernel/drivers/usb/media/spca5xx*

Install the new driver

# make install

Load the new driver

# modprobe spca5xx

There should be no errors.

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