* Package:    media-video/vstrip-0.8f:0
 * Repository: gentoo
 * Maintainer: media-video@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox

>>> Unpacking source...
>>> Unpacking vStrip_08f.zip to /var/tmp/portage/media-video/vstrip-0.8f/work
>>> Source unpacked in /var/tmp/portage/media-video/vstrip-0.8f/work
>>> Preparing source in /var/tmp/portage/media-video/vstrip-0.8f/work/vstrip ...
 * Applying vstrip-0.8f-gentoo.patch ...
 [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/media-video/vstrip-0.8f/work/vstrip ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/media-video/vstrip-0.8f/work/vstrip ...
make -j4 'CFLAGS=-pipe -march=native -fno-diagnostics-color -O2 -Werror=implicit-function-declaration -Werror=implicit-int -D__UNIX__' CC=clang 
clang -pipe -march=native -fno-diagnostics-color -O2 -Werror=implicit-function-declaration -Werror=implicit-int -D__UNIX__   -c -o file_io.o file_io.c
clang -pipe -march=native -fno-diagnostics-color -O2 -Werror=implicit-function-declaration -Werror=implicit-int -D__UNIX__   -c -o in_buffer.o in_buffer.c
clang -pipe -march=native -fno-diagnostics-color -O2 -Werror=implicit-function-declaration -Werror=implicit-int -D__UNIX__   -c -o main.o main.c
clang -pipe -march=native -fno-diagnostics-color -O2 -Werror=implicit-function-declaration -Werror=implicit-int -D__UNIX__   -c -o parse_ifo.o parse_ifo.c
parse_ifo.c:274:18: warning: passing 'byte *' (aka 'unsigned char *') to
      parameter of type 'const char *' converts between pointers to integer
      types where one is of the unique plain 'char' type and the other is not
      [-Wpointer-sign]
        return strncmp (ifo->mat, "DVDVIDEO-VTS", 12) == 0;
                        ^~~~~~~~
/usr/include/string.h:159:33: note: passing argument to parameter '__s1' here
extern int strncmp (const char *__s1, const char *__s2, size_t __n)
                                ^
file_io.c:35:26: error: call to undeclared function 'lseek64'; ISO C99 and later
      do not support implicit function declarations
      [-Werror,-Wimplicit-function-declaration]
                        __int64_t fposition = lseek64(fp, 0, SEEK_END);
                                              ^
file_io.c:35:26: note: did you mean 'lseek'?
/usr/include/unistd.h:339:16: note: 'lseek' declared here
extern __off_t lseek (int __fd, __off_t __offset, int __whence) __THROW;
               ^
1 error generated.
make: *** [<builtin>: file_io.o] Error 1
make: *** Waiting for unfinished jobs....
1 warning generated.
 * ERROR: media-video/vstrip-0.8f::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=media-video/vstrip-0.8f::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=media-video/vstrip-0.8f::gentoo'`.
 * The complete build log is located at '/var/log/portage/media-video:vstrip-0.8f:20220917-201112.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/media-video/vstrip-0.8f/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/media-video/vstrip-0.8f/temp/environment'.
 * Working directory: '/var/tmp/portage/media-video/vstrip-0.8f/work/vstrip'
 * S: '/var/tmp/portage/media-video/vstrip-0.8f/work/vstrip'