I wanted to compile trunk towards lantiq, but it always stops with this error:
make[4]: Entering directory `/home/openwrt/openwrt/build_dir/target-mips_34kc+dsp_uClibc-0.9.33.2/ubi-utils/mtd-utils-1.5.1'
CHK include/version.h
CC compr_zlib.o
compr_zlib.c:39:18: fatal error: zlib.h: No such file or directory
compilation terminated.
make[4]: *** [/home/openwrt/openwrt/build_dir/target-mips_34kc+dsp_uClibc-0.9.33.2/ubi-utils/mtd-utils-1.5.1/compr_zlib.o] Error 1
make[4]: Leaving directory `/home/openwrt/openwrt/build_dir/target-mips_34kc+dsp_uClibc-0.9.33.2/ubi-utils/mtd-utils-1.5.1'
make[3]: *** [/home/openwrt/openwrt/build_dir/target-mips_34kc+dsp_uClibc-0.9.33.2/ubi-utils/mtd-utils-1.5.1/.built] Error 2
make[3]: Leaving directory `/home/openwrt/openwrt/package/utils/ubi-utils'
make[2]: *** [package/utils/ubi-utils/compile] Error 2
make[2]: Leaving directory `/home/openwrt/openwrt'
make[1]: *** [/home/openwrt/openwrt/staging_dir/target-mips_34kc+dsp_uClibc-0.9.33.2/stamp/.package_compile] Error 2
make[1]: Leaving directory `/home/openwrt/openwrt'
make: *** [world] Error 2
zlib1g-dev is installed of course, zlib1g-dev:i386 too:
apt-get install zlib1g-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
zlib1g-dev is already the newest version.
all other deps are installed too: build-essential subversion libncurses5-dev zlib1g-dev gawk gcc-multilib flex git-core gettext
locate zlib.h
/home/openwrt/openwrt/build_dir/host/cmake-2.8.12.2/Utilities/cm_bzlib.h
/home/openwrt/openwrt/build_dir/host/cmake-2.8.12.2/Utilities/cm_zlib.h
/home/openwrt/openwrt/build_dir/host/cmake-2.8.12.2/Utilities/cmbzip2/bzlib.h
/home/openwrt/openwrt/build_dir/host/cmake-2.8.12.2/Utilities/cmzlib/zlib.h
/home/openwrt/openwrt/build_dir/host/u-boot-2014.04/include/bzlib.h
/home/openwrt/openwrt/build_dir/host/u-boot-2014.04/include/u-boot/zlib.h
/home/openwrt/openwrt/build_dir/host/u-boot-2014.04/lib/zlib/zlib.h
/home/openwrt/openwrt/build_dir/target-mips_34kc+dsp_uClibc-0.9.33.2/linux-lantiq_xway/linux-3.10.36/include/config/ubifs/fs/zlib.h
/home/openwrt/openwrt/build_dir/target-mips_34kc+dsp_uClibc-0.9.33.2/linux-lantiq_xway/linux-3.10.36/include/linux/zlib.h
/home/openwrt/openwrt/build_dir/toolchain-mips_34kc+dsp_gcc-4.8-linaro_uClibc-0.9.33.2/gcc-linaro-4.8-2014.04/zlib/zlib.h
/home/openwrt/openwrt/build_dir/toolchain-mips_34kc+dsp_gcc-4.8-linaro_uClibc-0.9.33.2/linux-3.10.36/include/linux/zlib.h
/root/nginx-1.2.7/auto/lib/zlib/patch.zlib.h
/usr/include/zlib.h
/usr/src/linux-headers-3.11.0-19/include/linux/zlib.h
/usr/src/linux-headers-3.11.0-19-generic/include/config/crypto/zlib.h
/usr/src/linux-headers-3.11.0-19-generic/include/config/jffs2/zlib.h
/usr/src/linux-headers-3.11.0-19-generic/include/config/squashfs/zlib.h
/usr/src/linux-headers-3.11.0-19-generic/include/config/ubifs/fs/zlib.h
/usr/src/linux-headers-3.11.0-19-generic/include/linux/zlib.h
/usr/src/linux-headers-3.11.0-20/include/linux/zlib.h
/usr/src/linux-headers-3.11.0-20-generic/include/config/crypto/zlib.h
/usr/src/linux-headers-3.11.0-20-generic/include/config/jffs2/zlib.h
/usr/src/linux-headers-3.11.0-20-generic/include/config/squashfs/zlib.h
/usr/src/linux-headers-3.11.0-20-generic/include/config/ubifs/fs/zlib.h
/usr/src/linux-headers-3.11.0-20-generic/include/linux/zlib.h
/usr/src/linux-headers-3.11.0-22/include/linux/zlib.h
/usr/src/linux-headers-3.11.0-22-generic/include/config/crypto/zlib.h
/usr/src/linux-headers-3.11.0-22-generic/include/config/jffs2/zlib.h
/usr/src/linux-headers-3.11.0-22-generic/include/config/squashfs/zlib.h
/usr/src/linux-headers-3.11.0-22-generic/include/config/ubifs/fs/zlib.h
/usr/src/linux-headers-3.11.0-22-generic/include/linux/zlib.h
/usr/src/linux-headers-3.11.0-23/include/linux/zlib.h
/usr/src/linux-headers-3.11.0-23-generic/include/config/crypto/zlib.h
/usr/src/linux-headers-3.11.0-23-generic/include/config/jffs2/zlib.h
/usr/src/linux-headers-3.11.0-23-generic/include/config/squashfs/zlib.h
/usr/src/linux-headers-3.11.0-23-generic/include/config/ubifs/fs/zlib.h
/usr/src/linux-headers-3.11.0-23-generic/include/linux/zlib.h