=> Bootstrap dependency digest>=20211023: found digest-20220214
=> Checksum BLAKE2s OK for dunelegacy-0.96.4-src.tar.bz2
=> Checksum SHA512 OK for dunelegacy-0.96.4-src.tar.bz2
===> Installing dependencies for dunelegacy-0.96.4nb7
=> Tool dependency mktools-[0-9]*: found mktools-20220614
=> Tool dependency cwrappers>=20150314: found cwrappers-20220403
=> Build dependency x11-links>=1.35: found x11-links-1.35
=> Full dependency SDL2_mixer>=2.0.4nb11: found SDL2_mixer-2.0.4nb11
=> Full dependency SDL2>=2.24.0nb2: found SDL2-2.26.1
=> Full dependency hicolor-icon-theme>=0.9nb1: found hicolor-icon-theme-0.17nb1
===> Skipping vulnerability checks.
WARNING: No /usr/pkg/pkgdb/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /usr/pkg/pkgdb fetch-pkg-vulnerabilities'.
===> Overriding tools for dunelegacy-0.96.4nb7
===> Extracting for dunelegacy-0.96.4nb7
===> Patching for dunelegacy-0.96.4nb7
=> Applying pkgsrc patches for dunelegacy-0.96.4nb7
===> Creating toolchain wrappers for dunelegacy-0.96.4nb7
===> Configuring for dunelegacy-0.96.4nb7
=> Modifying GNU configure scripts to avoid --recheck
=> Replacing config-guess with pkgsrc versions
=> Replacing config-sub with pkgsrc versions
=> Replacing install-sh with pkgsrc version
checking build system type... alpha--netbsd
checking for alpha--netbsd-gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking whether gcc understands -c and -o together... yes
checking how to run the C preprocessor... gcc -E
checking for grep that handles long lines and -e... (cached) /usr/bin/grep
checking for egrep... (cached) /usr/bin/egrep
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking minix/config.h usability... no
checking minix/config.h presence... no
checking for minix/config.h... no
checking whether it is safe to define __EXTENSIONS__... yes
checking for a BSD-compatible install... /usr/bin/install -c -o pbulk -g users
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... ./install-sh -c -d
checking for gawk... /usr/bin/awk
checking whether make sets $(MAKE)... yes
checking for style of include used by make... GNU
checking whether make supports nested variables... yes
checking dependency style of gcc... gcc3
checking whether we are using the GNU C++ compiler... yes
checking whether c++ accepts -g... yes
checking dependency style of c++... gcc3
checking pkg-config is at least version 0.9.0... no
checking for SDL... no
checking for sdl2-config... /usr/pkg/bin/sdl2-config
checking for SDL - version >= 2.0.0... yes
checking for Mix_OpenAudio in -lSDL2_mixer... no
configure: error: *** SDL2_mixer library not found!
*** Error code 1

Stop.
make[1]: stopped in /usr/pkgsrc/games/dunelegacy
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/games/dunelegacy