Applying /builder/shared-workdir/build/sdk/feeds/packages/libs/libndpi/patches/001-Move-from-PCRE-to-PCRE2.patch using plaintext: 
patching file configure.ac
patching file src/lib/ndpi_utils.c
patching file src/lib/third_party/include/rce_injection.h
patching file tests/do.sh.in
autoreconf: export WARNINGS=
autoreconf: Entering directory '.'
autoreconf: configure.ac: not using Gettext
autoreconf: running: /builder/shared-workdir/build/sdk/staging_dir/host/bin/aclocal -I /builder/shared-workdir/build/sdk/staging_dir/target-armeb_xscale_musl/host/share/aclocal -I /builder/shared-workdir/build/sdk/staging_dir/hostpkg/share/aclocal -I /builder/shared-workdir/build/sdk/staging_dir/target-armeb_xscale_musl/usr/share/aclocal -I m4 -I . --force -I m4
/builder/shared-workdir/build/sdk/staging_dir/host/bin/aclocal: 2: /builder/shared-workdir/build/sdk/staging_dir/host/bin/aclocal.real: not found
autoreconf: error: /builder/shared-workdir/build/sdk/staging_dir/host/bin/aclocal failed with exit status: 127
make[4]: Entering directory '/builder/shared-workdir/build/sdk/build_dir/target-armeb_xscale_musl/nDPI-4.8'
make[4]: *** No targets specified and no makefile found.  Stop.
make[4]: Leaving directory '/builder/shared-workdir/build/sdk/build_dir/target-armeb_xscale_musl/nDPI-4.8'
make[3]: *** [Makefile:125: /builder/shared-workdir/build/sdk/build_dir/target-armeb_xscale_musl/nDPI-4.8/.built] Error 2
time: package/feeds/packages/libndpi/compile#0.64#0.65#2.31