Applying ./patches/010-pass-cflags.patch using plaintext: 
patching file configure.ac
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-i386_pentium4_musl/host/share/aclocal -I /builder/shared-workdir/build/sdk/staging_dir/hostpkg/share/aclocal -I /builder/shared-workdir/build/sdk/staging_dir/target-i386_pentium4_musl/usr/share/aclocal -I m4 -I . --force -I m4
pbc/parser.y:20.1-14: warning: deprecated directive: '%error-verbose', use '%define parse.error verbose' [-Wdeprecated]
   20 | %error-verbose
      | ^~~~~~~~~~~~~~
      | %define parse.error verbose
pbc/parser.y: warning: fix-its can be applied.  Rerun with option '--update'. [-Wother]
autoreconf: configure.ac: tracing
pbc/parser.y:20.1-14: warning: deprecated directive: '%error-verbose', use '%define parse.error verbose' [-Wdeprecated]
   20 | %error-verbose
      | ^~~~~~~~~~~~~~
      | %define parse.error verbose
pbc/parser.y: warning: fix-its can be applied.  Rerun with option '--update'. [-Wother]
autoreconf: running: /builder/shared-workdir/build/sdk/staging_dir/host/bin/libtoolize --install --force
OpenWrt-libtoolize: putting auxiliary files in '.'.
OpenWrt-libtoolize: linking file './config.guess'
OpenWrt-libtoolize: linking file './config.sub'
OpenWrt-libtoolize: linking file './install-sh'
OpenWrt-libtoolize: linking file './ltmain.sh'
OpenWrt-libtoolize: putting macros in AC_CONFIG_MACRO_DIRS, 'm4'.
OpenWrt-libtoolize: linking file 'm4/libtool.m4'
OpenWrt-libtoolize: You should add the contents of 'm4/libtool.m4' to 'aclocal.m4'.
OpenWrt-libtoolize: linking file 'm4/ltoptions.m4'
OpenWrt-libtoolize: linking file 'm4/ltsugar.m4'
OpenWrt-libtoolize: linking file 'm4/ltversion.m4'
OpenWrt-libtoolize: linking file 'm4/lt~obsolete.m4'
autoreconf: configure.ac: not using Intltool
autoreconf: configure.ac: not using Gtkdoc
autoreconf: running: /builder/shared-workdir/build/sdk/staging_dir/host/bin/aclocal -I /builder/shared-workdir/build/sdk/staging_dir/target-i386_pentium4_musl/host/share/aclocal -I /builder/shared-workdir/build/sdk/staging_dir/hostpkg/share/aclocal -I /builder/shared-workdir/build/sdk/staging_dir/target-i386_pentium4_musl/usr/share/aclocal -I m4 -I . --force -I m4
autoreconf: running: /builder/shared-workdir/build/sdk/staging_dir/host/bin/autoconf --include=/builder/shared-workdir/build/sdk/staging_dir/target-i386_pentium4_musl/host/share/aclocal --include=/builder/shared-workdir/build/sdk/staging_dir/hostpkg/share/aclocal --include=/builder/shared-workdir/build/sdk/staging_dir/target-i386_pentium4_musl/usr/share/aclocal --include=m4 --include=. --prepend-include=/builder/shared-workdir/build/sdk/staging_dir/host/share/aclocal --force
autom4te: error: /builder/shared-workdir/build/staging_dir/host/share/autoconf/autoconf/trailer.m4: no such file or directory
autoreconf: error: /builder/shared-workdir/build/sdk/staging_dir/host/bin/autoconf failed with exit status: 1
configure: WARNING: unrecognized options: --disable-nls
configure: loading site script /builder/shared-workdir/build/sdk/include/site/i386
checking for a BSD-compatible install... /builder/shared-workdir/build/sdk/staging_dir/host/bin/install -c
checking whether build environment is sane... yes
/bin/bash: /builder/shared-workdir/build/sdk/build_dir/target-i386_pentium4_musl/pbc-0.5.14/missing: No such file or directory
configure: WARNING: `missing' script is too old or missing
checking for i486-openwrt-linux-strip... i486-openwrt-linux-musl-strip
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking build system type... x86_64-pc-linux-gnu
checking host system type... i486-openwrt-linux-gnu
checking how to print strings... printf
checking for style of include used by make... GNU
checking for i486-openwrt-linux-gcc... i486-openwrt-linux-musl-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... yes
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether i486-openwrt-linux-musl-gcc accepts -g... yes
checking for i486-openwrt-linux-musl-gcc option to accept ISO C89... none needed
checking dependency style of i486-openwrt-linux-musl-gcc... none
checking for a sed that does not truncate output... /builder/shared-workdir/build/sdk/staging_dir/host/bin/sed
checking for grep that handles long lines and -e... /builder/shared-workdir/build/sdk/staging_dir/host/bin/grep
checking for egrep... /builder/shared-workdir/build/sdk/staging_dir/host/bin/grep -E
checking for fgrep... /builder/shared-workdir/build/sdk/staging_dir/host/bin/grep -F
checking for ld used by i486-openwrt-linux-musl-gcc... i486-openwrt-linux-musl-ld
checking if the linker (i486-openwrt-linux-musl-ld) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... i486-openwrt-linux-musl-gcc-nm
checking the name lister (i486-openwrt-linux-musl-gcc-nm) interface... BSD nm
checking whether ln -s works... yes
checking the maximum length of command line arguments... 1572864
checking whether the shell understands some XSI constructs... yes
checking whether the shell understands "+="... yes
checking how to convert x86_64-pc-linux-gnu file names to i486-openwrt-linux-gnu format... func_convert_file_noop
checking how to convert x86_64-pc-linux-gnu file names to toolchain format... func_convert_file_noop
checking for i486-openwrt-linux-musl-ld option to reload object files... -r
checking for i486-openwrt-linux-objdump... i486-openwrt-linux-musl-objdump
checking how to recognize dependent libraries... pass_all
checking for i486-openwrt-linux-dlltool... no
checking for dlltool... no
checking how to associate runtime and link libraries... printf %s\n
checking for i486-openwrt-linux-ar... i486-openwrt-linux-musl-gcc-ar
checking for archiver @FILE support... @
checking for i486-openwrt-linux-strip... (cached) i486-openwrt-linux-musl-strip
checking for i486-openwrt-linux-ranlib... i486-openwrt-linux-musl-gcc-ranlib
checking command to parse i486-openwrt-linux-musl-gcc-nm output from i486-openwrt-linux-musl-gcc object... ok
checking for sysroot... no
checking for i486-openwrt-linux-mt... no
checking for mt... no
checking if : is a manifest tool... no
checking how to run the C preprocessor... i486-openwrt-linux-musl-gcc -E
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 for dlfcn.h... yes
checking for objdir... .libs
checking if i486-openwrt-linux-musl-gcc supports -fno-rtti -fno-exceptions... no
checking for i486-openwrt-linux-musl-gcc option to produce PIC... -fPIC -DPIC
checking if i486-openwrt-linux-musl-gcc PIC flag -fPIC -DPIC works... yes
checking if i486-openwrt-linux-musl-gcc static flag -static works... yes
checking if i486-openwrt-linux-musl-gcc supports -c -o file.o... yes
checking if i486-openwrt-linux-musl-gcc supports -c -o file.o... (cached) yes
checking whether the i486-openwrt-linux-musl-gcc linker (i486-openwrt-linux-musl-ld) supports shared libraries... yes
checking whether -lc should be explicitly linked in... no
checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... yes
checking for i486-openwrt-linux-gcc... (cached) i486-openwrt-linux-musl-gcc
checking whether we are using the GNU C compiler... (cached) yes
checking whether i486-openwrt-linux-musl-gcc accepts -g... (cached) yes
checking for i486-openwrt-linux-musl-gcc option to accept ISO C89... (cached) none needed
checking dependency style of i486-openwrt-linux-musl-gcc... (cached) none
checking whether i486-openwrt-linux-musl-gcc and cc understand -c and -o together... yes
checking how to run the C preprocessor... i486-openwrt-linux-musl-gcc -E
checking whether ln -s works... yes
checking whether make sets $(MAKE)... (cached) yes
checking for flex... flex
checking lex output file root... lex.yy
checking lex library... none needed
checking whether yytext is a pointer... no
checking for bison... bison -y
checking for pow in -lm... yes
checking for __gmpz_init in -lgmp... no
************************
gmp library not found
add its path to LDFLAGS
see ./configure --help
************************
make[3]: *** [Makefile:56: /builder/shared-workdir/build/sdk/build_dir/target-i386_pentium4_musl/pbc-0.5.14/.configured_68b329da9893e34099c7d8ad5cb9c940] Error 255
time: package/feeds/packages/libpbc/compile#24.79#3.01#36.71