root:/sources/file-4.10# make
make  all-recursive
make[1]: Entering directory `/sources/file-4.10'
Making all in src
make[2]: Entering directory `/sources/file-4.10/src'
if /bin/sh ../libtool --mode=compile gcc -DHAVE_CONFIG_H -I. -I. -I..  -DMAGIC='"/usr/share/file/magic"'   -g -O2 -MT compress.lo -MD -MP -MF ".deps/compress.Tpo" \
  -c -o compress.lo `test -f 'compress.c' || echo './'`compress.c; \
then mv -f ".deps/compress.Tpo" ".deps/compress.Plo"; \
else rm -f ".deps/compress.Tpo"; exit 1; \
fi
gcc -DHAVE_CONFIG_H -I. -I. -I.. -DMAGIC=\"/usr/share/file/magic\" -g -O2 -MT compress.lo -MD -MP -MF .deps/compress.Tpo -c compress.c  -fPIC -DPIC -o .libs/compress.o
compress.c:54:18: zlib.h: No such file or directory
compress.c: In function `uncompressgzipped':
compress.c:256: error: `z_stream' undeclared (first use in this function)
compress.c:256: error: (Each undeclared identifier is reported only once
compress.c:256: error: for each function it appears in.)
compress.c:256: error: parse error before "z"
compress.c:284: error: `z' undeclared (first use in this function)
compress.c:284: error: `Bytef' undeclared (first use in this function)
compress.c:284: error: parse error before ')' token
compress.c:289: error: `Z_NULL' undeclared (first use in this function)
compress.c:294: error: `Z_OK' undeclared (first use in this function)
compress.c:299: error: `Z_SYNC_FLUSH' undeclared (first use in this function)
compress.c:300: error: `Z_STREAM_END' undeclared (first use in this function)
make[2]: *** [compress.lo] Error 1
make[2]: Leaving directory `/sources/file-4.10/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/sources/file-4.10'
make: *** [all] Error 2