conftest.c:53:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
53 | char magic_open ();
| ^~~~
conftest.c:55:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
55 | main ()
| ^~~~
/srv/storage/autobuild/run/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-linux-uclibcgnueabi/9.3.0/../../../../arm-buildroot-linux-uclibcgnueabi/bin/ld: /srv/storage/autobuild/run/instance-0/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/lib/libmagic.a(compress.o): in function `uncompresszlib':
compress.c:(.text+0x1d0): undefined reference to `inflateInit_'
/srv/storage/autobuild/run/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-linux-uclibcgnueabi/9.3.0/../../../../arm-buildroot-linux-uclibcgnueabi/bin/ld: compress.c:(.text+0x1e4): undefined reference to `inflate'
/srv/storage/autobuild/run/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-linux-uclibcgnueabi/9.3.0/../../../../arm-buildroot-linux-uclibcgnueabi/bin/ld: compress.c:(.text+0x1fc): undefined reference to `inflateEnd'