Re: [Linux] graphics/libv4l compilation error

[Matthias Ferdinand <mf+ml.pkgsrc-users%netzwerkagentursaarland.de@localhost>]

Hi,

the error message says it is looking for "linux/videodev.h", while the
Makefile created just "videodev.h" (if not provided by the base system).

Can you try with the attached patch? This adds just the missing "linux/"
directory component.

Matthias


On Mon, Jul 13, 2015 at 08:22:10PM +0530, Mayuresh wrote:
> On Mon, Jul 13, 2015 at 08:02:30PM +0530, Mayuresh wrote:
> > log.c:28:28: fatal error: linux/videodev.h: No such file or directory
> >  #include <linux/videodev.h>
> 
> A web page suggests hacking this file by creating a soft link, such as this link
> http://askubuntu.com/questions/203630/easy-install-pygame-not-working-due-to-linux-videodev-h-no-such-file-or-direct
> 
> Isn't that quite unclean?
> 
> Anyway, that leads to host of other errors:
> 
> log.c:66:6: error: 'VIDIOCKEY' undeclared here (not in a function)
>   [_IOC_NR(VIDIOCKEY)]        = "VIDIOCKEY",
>       ^
> log.c:66:2: error: array index in initializer not of integer type
>   [_IOC_NR(VIDIOCKEY)]        = "VIDIOCKEY",
>   ^
> log.c:66:2: error: (near initialization for 'v4l1_ioctls')
> log.c:74:6: error: 'VIDIOCGUNIT' undeclared here (not in a function)
>   [_IOC_NR(VIDIOCGUNIT)]      = "VIDIOCGUNIT",
>       ^
> log.c:74:2: error: array index in initializer not of integer type
>   [_IOC_NR(VIDIOCGUNIT)]      = "VIDIOCGUNIT",
>   ^
> log.c:74:2: error: (near initialization for 'v4l1_ioctls')
> log.c:75:6: error: 'VIDIOCGCAPTURE' undeclared here (not in a function)
>   [_IOC_NR(VIDIOCGCAPTURE)]   = "VIDIOCGCAPTURE",
>       ^
> log.c:75:2: error: array index in initializer not of integer type
>   [_IOC_NR(VIDIOCGCAPTURE)]   = "VIDIOCGCAPTURE",
>   ^
> log.c:75:2: error: (near initialization for 'v4l1_ioctls')
> log.c:76:6: error: 'VIDIOCSCAPTURE' undeclared here (not in a function)
>   [_IOC_NR(VIDIOCSCAPTURE)]   = "VIDIOCSCAPTURE",
>       ^
> log.c:76:2: error: array index in initializer not of integer type
>   [_IOC_NR(VIDIOCSCAPTURE)]   = "VIDIOCSCAPTURE",
>   ^
> log.c:76:2: error: (near initialization for 'v4l1_ioctls')
> log.c:77:6: error: 'VIDIOCSPLAYMODE' undeclared here (not in a function)
>   [_IOC_NR(VIDIOCSPLAYMODE)]  = "VIDIOCSPLAYMODE",
>       ^
> log.c:77:2: error: array index in initializer not of integer type
>   [_IOC_NR(VIDIOCSPLAYMODE)]  = "VIDIOCSPLAYMODE",
>   ^
> log.c:77:2: error: (near initialization for 'v4l1_ioctls')
> log.c:78:6: error: 'VIDIOCSWRITEMODE' undeclared here (not in a function)
>   [_IOC_NR(VIDIOCSWRITEMODE)] = "VIDIOCSWRITEMODE",
>       ^
> log.c:78:2: error: array index in initializer not of integer type
>   [_IOC_NR(VIDIOCSWRITEMODE)] = "VIDIOCSWRITEMODE",
>   ^
> log.c:78:2: error: (near initialization for 'v4l1_ioctls')
> log.c:79:6: error: 'VIDIOCGPLAYINFO' undeclared here (not in a function)
>   [_IOC_NR(VIDIOCGPLAYINFO)]  = "VIDIOCGPLAYINFO",
>       ^
> log.c:79:2: error: array index in initializer not of integer type
>   [_IOC_NR(VIDIOCGPLAYINFO)]  = "VIDIOCGPLAYINFO",
>   ^
> log.c:79:2: error: (near initialization for 'v4l1_ioctls')
> log.c:80:6: error: 'VIDIOCSMICROCODE' undeclared here (not in a function)
>   [_IOC_NR(VIDIOCSMICROCODE)] = "VIDIOCSMICROCODE",
>       ^
> log.c:80:2: error: array index in initializer not of integer type
>   [_IOC_NR(VIDIOCSMICROCODE)] = "VIDIOCSMICROCODE",
>   ^
> log.c:80:2: error: (near initialization for 'v4l1_ioctls')
> make[1]: *** [log.o] Error 1
> make: *** [all] Error 2

Index: Makefile
===================================================================
RCS file: /cvsroot/pkgsrc/graphics/libv4l/Makefile,v
retrieving revision 1.10
diff -u -p -r1.10 Makefile
--- Makefile	17 Mar 2015 13:55:40 -0000	1.10
+++ Makefile	13 Jul 2015 15:16:02 -0000
@@ -29,8 +29,8 @@ post-install:
 	${INSTALL_DATA} ${FILESDIR}/videoio.h ${DESTDIR}${PREFIX}/include/sys
 .elif !exists(/usr/include/linux/videodev.h)
 pre-configure:
-	${MKDIR} ${BUILDLINK_DIR}/include
-	cp ${FILESDIR}/videodev.h ${BUILDLINK_DIR}/include/videodev.h
+	${MKDIR} ${BUILDLINK_DIR}/include/linux
+	cp ${FILESDIR}/videodev.h ${BUILDLINK_DIR}/include/linux/videodev.h
 .endif
 
 PLIST_VARS=	needs_videoio