• : python3-unbound install
• cd unbound-1.13.2rc1_python3
• make DESTDIR=/builddir/build/BUILDROOT/unbound-1.13.2-0.1.rc1.foo8.x86_64 install
  /bin/sh ./install-sh -m 755 -d /builddir/build/BUILDROOT/unbound-1.13.2-0.1.rc1.foo8.x86_64/usr/lib64/python3.6/site-packages
  /bin/sh ./install-sh -c -m 644 pythonmod/unboundmodule.py /builddir/build/BUILDROOT/unbound-1.13.2-0.1.rc1.foo8.x86_64/usr/lib64/python3.6/site-packages/unboundmodule.py
  /bin/sh ./install-sh -m 755 -d /builddir/build/BUILDROOT/unbound-1.13.2-0.1.rc1.foo8.x86_64/usr/lib64/python3.6/site-packages
  /bin/sh ./install-sh -c -m 644 ./libunbound/python/unbound.py /builddir/build/BUILDROOT/unbound-1.13.2-0.1.rc1.foo8.x86_64/usr/lib64/python3.6/site-packages/unbound.py
  ./libtool --mode=install cp _unbound.la /builddir/build/BUILDROOT/unbound-1.13.2-0.1.rc1.foo8.x86_64/usr/lib64/python3.6/site-packages
  libtool: warning: relinking '_unbound.la'
  libtool: install: (cd /builddir/build/BUILD/unbound-1.13.2rc1/unbound-1.13.2rc1_python3; /bin/sh "/builddir/build/BUILD/unbound-1.13.2rc1/unbound-1.13.2rc1_python3/libtool" --tag CC --mode=relink gcc -I. -I/usr/include/python3.6m -DSRCDIR=. -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fPIE -pie -pthread -Wl,-z,relro,-z,now -pie -module -avoid-version -no-undefined -shared -o _unbound.la libunbound_wrap.lo -rpath /usr/lib64/python3.6/site-packages libunbound.la -levent -L/usr/lib64 -L/usr/lib64/python3.6 -L. -lpython3.6m -ldl -lcrypto -inst-prefix-dir /builddir/build/BUILDROOT/unbound-1.13.2-0.1.rc1.foo8.x86_64)
  libtool: relink: gcc -shared -fPIC -DPIC .libs/libunbound_wrap.o -L/builddir/build/BUILDROOT/unbound-1.13.2-0.1.rc1.foo8.x86_64/usr/lib64 -L/usr/lib64 -lunbound -L/usr/lib64/python3.6 -L. -lssl -levent -lpython3.6m -ldl -lcrypto -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -O2 -g -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -pthread -Wl,-z -Wl,relro -Wl,-z -Wl,now -pthread -Wl,-soname -Wl,_unbound.so -o .libs/_unbound.so
  /usr/bin/ld: cannot find -lunbound
  collect2: error: ld returned 1 exit status
  libtool: error: error: relink '_unbound.la' with the above command before installing it
  make: *** [Makefile:557: pyunbound-install] Error 1

Build system is rhel8 based.