dv4l won't compile
Hi,
I'm trying to get a DataVideo DAC-100 DV interface to work as a V4L device so I can get analog video into VLC to stream.
I've got vloopback working but I can't get dv4l to compile. I've added the dev packages for all the prerequisites .configure was saying "no" to and that seems to be OK now:
Code:checking for gcc... gcc checking for C compiler default output file name... a.out checking whether the C compiler works... yes checking whether we are cross compiling... no checking for suffix of executables... checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking how to run the C preprocessor... gcc -E checking for grep that handles long lines and -e... /bin/grep checking for egrep... /bin/grep -E checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking libraw1394/raw1394.h usability... yes checking libraw1394/raw1394.h presence... yes checking for libraw1394/raw1394.h... yes checking libiec61883/iec61883.h usability... yes checking libiec61883/iec61883.h presence... yes checking for libiec61883/iec61883.h... yes checking libdv/dv.h usability... yes checking libdv/dv.h presence... yes checking for libdv/dv.h... yes checking sys/xattr.h usability... yes checking sys/xattr.h presence... yes checking for sys/xattr.h... yes configure: creating ./config.status config.status: creating Makefile config.status: creating version.h config.status: creating config.h
When I try to make it doesn't succeed:
My C++ isn't quite strong enough to work out what's wrong here. I'd really appreciate any help you could give me in getting this working.Code:cc -Wall -O3 -MMD -c -o normfile.o normfile.c normfile.c: In function ‘normalize’: normfile.c:247: warning: ignoring return value of ‘getcwd’, declared with attribute warn_unused_result cc -Wall -O3 -MMD -c -o palettes.o palettes.c cc -Wall -O3 -MMD -c -o scale.o scale.c cc -Wall -O3 -MMD -c -o util.o util.c cc -Wall -O3 -MMD -c -o dv4l.o dv4l.c dv4l.c: In function ‘mmap_mode’: dv4l.c:789: warning: dereferencing type-punned pointer will break strict-aliasing rules dv4l.c: In function ‘simple_frame_recv’: dv4l.c:831: warning: ignoring return value of ‘write’, declared with attribute warn_unused_result cc -lraw1394 -liec61883 -ldv -o dv4l normfile.o palettes.o scale.o util.o dv4l.o cc -Wall -O3 -shared -fpic -Wl,-soname,libdv4l.so \ -D DV4LLIBNAME=/usr/local/lib/libdv4l.so \ -ldl -lraw1394 -liec61883 -ldv interdv4l.c \ normfile.c scale.c palettes.c util.c -o libdv4l.so In file included from interdv4l.c:46: /usr/include/sys/stat.h:504: error: conflicting types for ‘stat64’ /usr/include/sys/stat.h:230: note: previous declaration of ‘stat64’ was here /usr/include/sys/stat.h:511: error: conflicting types for ‘lstat64’ /usr/include/sys/stat.h:278: note: previous declaration of ‘lstat64’ was here /usr/include/sys/stat.h:518: error: conflicting types for ‘fstat64’ /usr/include/sys/stat.h:232: note: previous declaration of ‘fstat64’ was here /usr/include/sys/stat.h:525: error: conflicting types for ‘fstatat64’ /usr/include/sys/stat.h:255: note: previous declaration of ‘fstatat64’ was here interdv4l.c:134: warning: ‘struct stat64’ declared inside parameter list interdv4l.c: In function ‘common_lstat64’: interdv4l.c:134: error: dereferencing pointer to incomplete type interdv4l.c:134: error: dereferencing pointer to incomplete type interdv4l.c:134: error: dereferencing pointer to incomplete type interdv4l.c:134: error: dereferencing pointer to incomplete type interdv4l.c:134: error: dereferencing pointer to incomplete type interdv4l.c:134: error: dereferencing pointer to incomplete type interdv4l.c:134: error: dereferencing pointer to incomplete type interdv4l.c:134: error: dereferencing pointer to incomplete type interdv4l.c:134: error: dereferencing pointer to incomplete type interdv4l.c:134: error: dereferencing pointer to incomplete type interdv4l.c:134: error: dereferencing pointer to incomplete type interdv4l.c:134: error: dereferencing pointer to incomplete type interdv4l.c: At top level: interdv4l.c:136: warning: ‘struct stat64’ declared inside parameter list interdv4l.c: In function ‘common___xstat64’: interdv4l.c:136: error: dereferencing pointer to incomplete type interdv4l.c:136: error: dereferencing pointer to incomplete type interdv4l.c:136: error: dereferencing pointer to incomplete type interdv4l.c:136: error: dereferencing pointer to incomplete type interdv4l.c:136: error: dereferencing pointer to incomplete type interdv4l.c:136: error: dereferencing pointer to incomplete type interdv4l.c:136: error: dereferencing pointer to incomplete type interdv4l.c:136: error: dereferencing pointer to incomplete type interdv4l.c:136: error: dereferencing pointer to incomplete type interdv4l.c:136: error: dereferencing pointer to incomplete type interdv4l.c:136: error: dereferencing pointer to incomplete type interdv4l.c:136: error: dereferencing pointer to incomplete type interdv4l.c: At top level: interdv4l.c:138: warning: ‘struct stat64’ declared inside parameter list interdv4l.c: In function ‘common___lxstat64’: interdv4l.c:138: error: dereferencing pointer to incomplete type interdv4l.c:138: error: dereferencing pointer to incomplete type interdv4l.c:138: error: dereferencing pointer to incomplete type interdv4l.c:138: error: dereferencing pointer to incomplete type interdv4l.c:138: error: dereferencing pointer to incomplete type interdv4l.c:138: error: dereferencing pointer to incomplete type interdv4l.c:138: error: dereferencing pointer to incomplete type interdv4l.c:138: error: dereferencing pointer to incomplete type interdv4l.c:138: error: dereferencing pointer to incomplete type interdv4l.c:138: error: dereferencing pointer to incomplete type interdv4l.c:138: error: dereferencing pointer to incomplete type interdv4l.c:138: error: dereferencing pointer to incomplete type interdv4l.c: At top level: interdv4l.c:167: warning: ‘struct stat64’ declared inside parameter list interdv4l.c:167: warning: ‘struct stat64’ declared inside parameter list interdv4l.c:167: error: conflicting types for ‘__xstat64’ /usr/include/sys/stat.h:436: note: previous declaration of ‘__xstat64’ was here interdv4l.c: In function ‘__xstat64’: interdv4l.c:167: warning: passing argument 3 of ‘orig__xstat64’ from incompatible pointer type interdv4l.c:167: note: expected ‘struct stat64 *’ but argument is of type ‘struct stat64 *’ interdv4l.c:167: warning: passing argument 3 of ‘common___xstat64’ from incompatible pointer type interdv4l.c:136: note: expected ‘struct stat64 *’ but argument is of type ‘struct stat64 *’ interdv4l.c: At top level: interdv4l.c:169: warning: ‘struct stat64’ declared inside parameter list interdv4l.c:169: warning: ‘struct stat64’ declared inside parameter list interdv4l.c:169: error: conflicting types for ‘__lxstat64’ /usr/include/sys/stat.h:438: note: previous declaration of ‘__lxstat64’ was here interdv4l.c: In function ‘__lxstat64’: interdv4l.c:169: warning: passing argument 3 of ‘orig__lxstat64’ from incompatible pointer type interdv4l.c:169: note: expected ‘struct stat64 *’ but argument is of type ‘struct stat64 *’ interdv4l.c:169: warning: passing argument 3 of ‘common___lxstat64’ from incompatible pointer type interdv4l.c:138: note: expected ‘struct stat64 *’ but argument is of type ‘struct stat64 *’ interdv4l.c: At top level: interdv4l.c:198: warning: ‘struct stat64’ declared inside parameter list interdv4l.c:198: warning: ‘struct stat64’ declared inside parameter list interdv4l.c:198: error: conflicting types for ‘lstat64’ /usr/include/sys/stat.h:278: note: previous declaration of ‘lstat64’ was here interdv4l.c: In function ‘lstat64’: interdv4l.c:198: warning: passing argument 2 of ‘origlstat64’ from incompatible pointer type interdv4l.c:198: note: expected ‘struct stat64 *’ but argument is of type ‘struct stat64 *’ interdv4l.c:198: warning: passing argument 3 of ‘common_lstat64’ from incompatible pointer type interdv4l.c:134: note: expected ‘struct stat64 *’ but argument is of type ‘struct stat64 *’ interdv4l.c: At top level: interdv4l.c:485: warning: ‘struct stat64’ declared inside parameter list interdv4l.c:485: warning: ‘struct stat64’ declared inside parameter list interdv4l.c:485: error: conflicting types for ‘__fxstat64’ /usr/include/sys/stat.h:434: note: previous declaration of ‘__fxstat64’ was here interdv4l.c: In function ‘__fxstat64’: interdv4l.c:485: warning: passing argument 3 of ‘orig__fxstat64’ from incompatible pointer type interdv4l.c:485: note: expected ‘struct stat64 *’ but argument is of type ‘struct stat64 *’ interdv4l.c:485: error: dereferencing pointer to incomplete type interdv4l.c:485: error: dereferencing pointer to incomplete type interdv4l.c:485: error: dereferencing pointer to incomplete type interdv4l.c: In function ‘ioctl’: interdv4l.c:980: warning: ignoring return value of ‘read’, declared with attribute warn_unused_result normfile.c: In function ‘normalize’: normfile.c:247: warning: ignoring return value of ‘getcwd’, declared with attribute warn_unused_result make: *** [libdv4l.so] Error 1
My platform is Ubuntu 10.10 32-bit.
Thanks,
Paul.
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