Best way to install llibdvd-pkg

That did it.

But then the command ninja/bash: ninja/: Ingen sådan fil eller filkatalog ("no such file or file catalogue")

ninja (without the "/") was more effective, though the result seems disappointing:


$ ninja
[1/9] Compiling C object src/libdvdcss.so.2.4.0.p/cpxm.c.o
FAILED: src/libdvdcss.so.2.4.0.p/cpxm.c.o
cc -Isrc/libdvdcss.so.2.4.0.p -Isrc -I../src -I. -I.. -Isrc/dvdcss -I../src/dvdcss -fvisibility=hidden -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wextra -std=c17 -O2 -g -D_DEFAULT_SOURCE -fPIC -MD -MQ src/libdvdcss.so.2.4.0.p/cpxm.c.o -MF src/libdvdcss.so.2.4.0.p/cpxm.c.o.d -o src/libdvdcss.so.2.4.0.p/cpxm.c.o -c ../src/cpxm.c
../src/cpxm.c:100:1: fatal error: opening dependency file src/libdvdcss.so.2.4.0.p/cpxm.c.o.d: Adgang nægtet
100 | }
| ^
compilation terminated.
[2/9] Compiling C object src/libdvdcss.so.2.4.0.p/error.c.o
FAILED: src/libdvdcss.so.2.4.0.p/error.c.o
cc -Isrc/libdvdcss.so.2.4.0.p -Isrc -I../src -I. -I.. -Isrc/dvdcss -I../src/dvdcss -fvisibility=hidden -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wextra -std=c17 -O2 -g -D_DEFAULT_SOURCE -fPIC -MD -MQ src/libdvdcss.so.2.4.0.p/error.c.o -MF src/libdvdcss.so.2.4.0.p/error.c.o.d -o src/libdvdcss.so.2.4.0.p/error.c.o -c ../src/error.c
../src/error.c:66:1: fatal error: opening dependency file src/libdvdcss.so.2.4.0.p/error.c.o.d: Adgang nægtet
66 | }
| ^
compilation terminated.
[3/9] Compiling C object src/libdvdcss.so.2.4.0.p/device.c.o
FAILED: src/libdvdcss.so.2.4.0.p/device.c.o
cc -Isrc/libdvdcss.so.2.4.0.p -Isrc -I../src -I. -I.. -Isrc/dvdcss -I../src/dvdcss -fvisibility=hidden -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wextra -std=c17 -O2 -g -D_DEFAULT_SOURCE -fPIC -MD -MQ src/libdvdcss.so.2.4.0.p/device.c.o -MF src/libdvdcss.so.2.4.0.p/device.c.o.d -o src/libdvdcss.so.2.4.0.p/device.c.o -c ../src/device.c
../src/device.c:844:1: fatal error: opening dependency file src/libdvdcss.so.2.4.0.p/device.c.o.d: Adgang nægtet
844 | }
| ^
compilation terminated.
[4/9] Compiling C object src/libdvdcss.so.2.4.0.p/ioctl.c.o
FAILED: src/libdvdcss.so.2.4.0.p/ioctl.c.o
cc -Isrc/libdvdcss.so.2.4.0.p -Isrc -I../src -I. -I.. -Isrc/dvdcss -I../src/dvdcss -fvisibility=hidden -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wextra -std=c17 -O2 -g -D_DEFAULT_SOURCE -fPIC -MD -MQ src/libdvdcss.so.2.4.0.p/ioctl.c.o -MF src/libdvdcss.so.2.4.0.p/ioctl.c.o.d -o src/libdvdcss.so.2.4.0.p/ioctl.c.o -c ../src/ioctl.c
../src/ioctl.c:1567:1: fatal error: opening dependency file src/libdvdcss.so.2.4.0.p/ioctl.c.o.d: Adgang nægtet
1567 | }
| ^
compilation terminated.
[5/9] Compiling C object src/libdvdcss.so.2.4.0.p/libdvdcss.c.o
FAILED: src/libdvdcss.so.2.4.0.p/libdvdcss.c.o
cc -Isrc/libdvdcss.so.2.4.0.p -Isrc -I../src -I. -I.. -Isrc/dvdcss -I../src/dvdcss -fvisibility=hidden -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wextra -std=c17 -O2 -g -D_DEFAULT_SOURCE -fPIC -MD -MQ src/libdvdcss.so.2.4.0.p/libdvdcss.c.o -MF src/libdvdcss.so.2.4.0.p/libdvdcss.c.o.d -o src/libdvdcss.so.2.4.0.p/libdvdcss.c.o -c ../src/libdvdcss.c
../src/libdvdcss.c:884:1: fatal error: opening dependency file src/libdvdcss.so.2.4.0.p/libdvdcss.c.o.d: Adgang nægtet
884 | }
| ^
compilation terminated.
[6/9] Compiling C object src/libdvdcss.so.2.4.0.p/libdvdcpxm.c.o
FAILED: src/libdvdcss.so.2.4.0.p/libdvdcpxm.c.o
cc -Isrc/libdvdcss.so.2.4.0.p -Isrc -I../src -I. -I.. -Isrc/dvdcss -I../src/dvdcss -fvisibility=hidden -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wextra -std=c17 -O2 -g -D_DEFAULT_SOURCE -fPIC -MD -MQ src/libdvdcss.so.2.4.0.p/libdvdcpxm.c.o -MF src/libdvdcss.so.2.4.0.p/libdvdcpxm.c.o.d -o src/libdvdcss.so.2.4.0.p/libdvdcpxm.c.o -c ../src/libdvdcpxm.c
../src/libdvdcpxm.c:935:1: fatal error: opening dependency file src/libdvdcss.so.2.4.0.p/libdvdcpxm.c.o.d: Adgang nægtet
935 | }
| ^
compilation terminated.
[7/9] Compiling C object src/libdvdcss.so.2.4.0.p/css.c.o
FAILED: src/libdvdcss.so.2.4.0.p/css.c.o
cc -Isrc/libdvdcss.so.2.4.0.p -Isrc -I../src -I. -I.. -Isrc/dvdcss -I../src/dvdcss -fvisibility=hidden -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wextra -std=c17 -O2 -g -D_DEFAULT_SOURCE -fPIC -MD -MQ src/libdvdcss.so.2.4.0.p/css.c.o -MF src/libdvdcss.so.2.4.0.p/css.c.o.d -o src/libdvdcss.so.2.4.0.p/css.c.o -c ../src/css.c
../src/css.c:550:32: warning: argument 1 of type ‘uint8_t[5]’ {aka ‘unsigned char[5]’} with mismatched bound [-Warray-parameter=]
550 | int dvdcss_unscramble( dvd_key p_key, uint8_t *p_sec )
| ~~~~~~~~^~~~~
In file included from ../src/css.c:54:
../src/css.h:63:25: note: previously declared as ‘uint8_t *’ {aka ‘unsigned char *’}
63 | int dvdcss_unscramble ( uint8_t *, uint8_t * );
| ^~~~~~~~~
../src/css.c:1685:1: fatal error: opening dependency file src/libdvdcss.so.2.4.0.p/css.c.o.d: Adgang nægtet
1685 | }
| ^
compilation terminated.
ninja: build stopped: subcommand failed.


Since there is a "adgang nægtet" (admission refused), I will try with sudo.