configure: WARNING: unrecognized options: --disable-dependency-tracking, --disable-nls configure: loading site script /builder/shared-workdir/build/sdk/include/site/riscv64 checking whether make supports nested variables... yes checking build system type... x86_64-pc-linux-gnu checking host system type... riscv64-openwrt-linux-gnu checking for a BSD-compatible install... /builder/shared-workdir/build/sdk/staging_dir/host/bin/install -c checking whether build environment is sane... yes checking for riscv64-openwrt-linux-strip... riscv64-openwrt-linux-musl-strip checking for a race-free mkdir -p... /bin/mkdir -p checking for gawk... gawk checking whether make sets $(MAKE)... yes checking whether ln -s works... yes checking for perl... /builder/shared-workdir/build/sdk/staging_dir/host/bin/perl checking for tex... no checking for yacc... yacc checking for lex... lex checking whether autoconf is installed... no configure: error: Autoconf 2.65 or better is required. Please make sure it is installed and in your PATH. make[3]: *** [Makefile:75: /builder/shared-workdir/build/sdk/build_dir/target-riscv64_riscv64_musl/automake-1.16.5/.configured_68b329da9893e34099c7d8ad5cb9c940] Error 1 time: package/feeds/packages/automake/compile#0.85#0.61#1.56