>>> rtty 7.1.4 Extracting
mkdir -p /tmp/instance-1/output-1/per-package/rtty/host
rsync -a --link-dest=/tmp/instance-1/output-1/per-package/host-tar/host/ /tmp/instance-1/output-1/per-package/host-tar/host/ /tmp/instance-1/output-1/per-package/rtty/host
mkdir -p /tmp/instance-1/output-1/per-package/rtty/target
rsync -a --link-dest=/tmp/instance-1/output-1/per-package/host-tar/target/ /tmp/instance-1/output-1/per-package/host-tar/target/ /tmp/instance-1/output-1/per-package/rtty/target
gzip -d -c /tmp/instance-1/dl/rtty/rtty-7.1.4.tar.gz | /tmp/instance-1/output-1/per-package/rtty/host/bin/tar --strip-components=1 -C /tmp/instance-1/output-1/build/rtty-7.1.4   -xf -
>>> rtty 7.1.4 Patching
>>> rtty 7.1.4 Configuring
mkdir -p /tmp/instance-1/output-1/per-package/rtty/host
rsync -a --link-dest=/tmp/instance-1/output-1/per-package/host-pkgconf/host/ /tmp/instance-1/output-1/per-package/host-pkgconf/host/ /tmp/instance-1/output-1/per-package/rtty/host
rsync -a --link-dest=/tmp/instance-1/output-1/per-package/host-skeleton/host/ /tmp/instance-1/output-1/per-package/host-skeleton/host/ /tmp/instance-1/output-1/per-package/rtty/host
rsync -a --link-dest=/tmp/instance-1/output-1/per-package/libev/host/ /tmp/instance-1/output-1/per-package/libev/host/ /tmp/instance-1/output-1/per-package/rtty/host
rsync -a --link-dest=/tmp/instance-1/output-1/per-package/mbedtls/host/ /tmp/instance-1/output-1/per-package/mbedtls/host/ /tmp/instance-1/output-1/per-package/rtty/host
rsync -a --link-dest=/tmp/instance-1/output-1/per-package/skeleton/host/ /tmp/instance-1/output-1/per-package/skeleton/host/ /tmp/instance-1/output-1/per-package/rtty/host
rsync -a --link-dest=/tmp/instance-1/output-1/per-package/toolchain/host/ /tmp/instance-1/output-1/per-package/toolchain/host/ /tmp/instance-1/output-1/per-package/rtty/host
mkdir -p /tmp/instance-1/output-1/per-package/rtty/target
rsync -a --link-dest=/tmp/instance-1/output-1/per-package/host-pkgconf/target/ /tmp/instance-1/output-1/per-package/host-pkgconf/target/ /tmp/instance-1/output-1/per-package/rtty/target
rsync -a --link-dest=/tmp/instance-1/output-1/per-package/host-skeleton/target/ /tmp/instance-1/output-1/per-package/host-skeleton/target/ /tmp/instance-1/output-1/per-package/rtty/target
rsync -a --link-dest=/tmp/instance-1/output-1/per-package/libev/target/ /tmp/instance-1/output-1/per-package/libev/target/ /tmp/instance-1/output-1/per-package/rtty/target
rsync -a --link-dest=/tmp/instance-1/output-1/per-package/mbedtls/target/ /tmp/instance-1/output-1/per-package/mbedtls/target/ /tmp/instance-1/output-1/per-package/rtty/target
rsync -a --link-dest=/tmp/instance-1/output-1/per-package/skeleton/target/ /tmp/instance-1/output-1/per-package/skeleton/target/ /tmp/instance-1/output-1/per-package/rtty/target
rsync -a --link-dest=/tmp/instance-1/output-1/per-package/toolchain/target/ /tmp/instance-1/output-1/per-package/toolchain/target/ /tmp/instance-1/output-1/per-package/rtty/target
(mkdir -p /tmp/instance-1/output-1/build/rtty-7.1.4/ && cd /tmp/instance-1/output-1/build/rtty-7.1.4/ && rm -f CMakeCache.txt && PATH="/tmp/instance-1/output-1/per-package/rtty/host/bin:/tmp/instance-1/output-1/per-package/rtty/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin"  /usr/bin/cmake /tmp/instance-1/output-1/build/rtty-7.1.4/ -DCMAKE_TOOLCHAIN_FILE="/tmp/instance-1/output-1/per-package/rtty/host/share/buildroot/toolchainfile.cmake" -DCMAKE_INSTALL_PREFIX="/usr" -DCMAKE_COLOR_MAKEFILE=OFF -DBUILD_DOC=OFF -DBUILD_DOCS=OFF -DBUILD_EXAMPLE=OFF -DBUILD_EXAMPLES=OFF -DBUILD_TEST=OFF -DBUILD_TESTS=OFF -DBUILD_TESTING=OFF -DBUILD_SHARED_LIBS=ON  -DRTTY_SSL_SUPPORT=ON -DRTTY_USE_MBEDTLS=ON -DRTTY_USE_OPENSSL=OFF -DRTTY_USE_WOLFSSL=OFF )
-- The C compiler identification is GNU 8.3.0
-- Check for working C compiler: /tmp/instance-1/output-1/per-package/rtty/host/bin/mipsel-linux-gcc
-- Check for working C compiler: /tmp/instance-1/output-1/per-package/rtty/host/bin/mipsel-linux-gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Found Libev: /tmp/instance-1/output-1/per-package/rtty/host/mipsel-buildroot-linux-gnu/sysroot/usr/lib/libev.so (found version "4.27") 
-- Could NOT find OpenSSL, try to set the path to OpenSSL root folder in the system variable OPENSSL_ROOT_DIR (missing: OPENSSL_CRYPTO_LIBRARY OPENSSL_INCLUDE_DIR) (found version "")
-- Could NOT find WOLFSSL (missing: WOLFSSL_LIBRARY WOLFSSL_INCLUDE_DIR) 
-- Found MbedTLS: /tmp/instance-1/output-1/per-package/rtty/host/mipsel-buildroot-linux-gnu/sysroot/usr/lib/libmbedtls.so (found version "2.16.7") 
-- Could NOT find ZLIB (missing: ZLIB_LIBRARY ZLIB_INCLUDE_DIR) 
-- Select MbedTLS(PolarSSL) as the SSL backend
CMake Error: The following variables are used in this project, but they are set to NOTFOUND.
Please set them or make sure they are set and tested correctly in the CMake files:
ZLIB_LIBRARY
    linked by target "rtty" in directory /tmp/instance-1/output-1/build/rtty-7.1.4/src

-- Configuring incomplete, errors occurred!
See also "/tmp/instance-1/output-1/build/rtty-7.1.4/CMakeFiles/CMakeOutput.log".
make: *** [package/pkg-generic.mk:259: /tmp/instance-1/output-1/build/rtty-7.1.4/.stamp_configured] Error 1
make: Leaving directory '/tmp/instance-1/buildroot'