Compilation errors when triyng to build freetz with zlib

[Janosch Peters]

When trying to compile freetz-trunk (www.freetz.org) on i386 karmic koala (alpha4), I encounter the error shown below. The Version of zlibg1-dev is 1:1.2.3.3.dfsg-13ubuntu2.

make -j2 CXX="g++" LZMA_DIR="../../lzma443" \
  -C /home/janosch/src/freetz-trunk/source/host-tools/squashfs2.2-r2/squashfs-tools mksquashfs-lzma
make[1]: Betrete Verzeichnis '/home/janosch/src/freetz-trunk/source/host-tools/squashfs2.2-r2/squashfs-tools'
sed -e 's/squashfs_fs\.h/squashfs_fs-lzma.h/g' mksquashfs.c > mksquashfs-lzma.c
cc -I. -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -g -c -o read_fs.o read_fs.c
In file included from read_fs.c:35:
/usr/include/zlib.h:1366: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘gzseek64’
/usr/include/zlib.h:1367: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘gztell64’
/usr/include/zlib.h:1368: error: expected declaration specifiers or ‘...’ before ‘off64_t’
/usr/include/zlib.h:1369: error: expected declaration specifiers or ‘...’ before ‘off64_t’