Applying ./patches/100-no_doc.patch using plaintext: 
patching file Makefile.in
autoreconf: export WARNINGS=
autoreconf: Entering directory '.'
autoreconf: running: true --force
autoreconf: running: /builder/shared-workdir/build/sdk/staging_dir/host/bin/aclocal -I /builder/shared-workdir/build/sdk/staging_dir/target-mips_4kec_musl/host/share/aclocal -I /builder/shared-workdir/build/sdk/staging_dir/hostpkg/share/aclocal -I /builder/shared-workdir/build/sdk/staging_dir/target-mips_4kec_musl/usr/share/aclocal -I m4 -I . --force -I auto-m4 -I m4m
autoreconf: configure.ac: tracing
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, 'auto-m4'.
OpenWrt-libtoolize: linking file 'auto-m4/libtool.m4'
OpenWrt-libtoolize: linking file 'auto-m4/ltoptions.m4'
OpenWrt-libtoolize: linking file 'auto-m4/ltsugar.m4'
OpenWrt-libtoolize: linking file 'auto-m4/ltversion.m4'
OpenWrt-libtoolize: linking file 'auto-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-mips_4kec_musl/host/share/aclocal -I /builder/shared-workdir/build/sdk/staging_dir/hostpkg/share/aclocal -I /builder/shared-workdir/build/sdk/staging_dir/target-mips_4kec_musl/usr/share/aclocal -I m4 -I . --force -I auto-m4 -I m4m
autoreconf: running: /builder/shared-workdir/build/sdk/staging_dir/host/bin/autoconf --include=/builder/shared-workdir/build/sdk/staging_dir/target-mips_4kec_musl/host/share/aclocal --include=/builder/shared-workdir/build/sdk/staging_dir/hostpkg/share/aclocal --include=/builder/shared-workdir/build/sdk/staging_dir/target-mips_4kec_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: loading site script /builder/shared-workdir/build/sdk/include/site/mips
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-mips_4kec_musl/libexif-0.6.24/missing: No such file or directory
configure: WARNING: 'missing' script is too old or missing
checking for mips-openwrt-linux-strip... mips-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 whether make supports nested variables... yes
checking whether to enable maintainer-specific portions of Makefiles... no
checking whether make supports nested variables... (cached) yes
checking for POSIX sh $() command substitution... yes
checking whether make supports the include directive... yes (GNU style)
checking for mips-openwrt-linux-gcc... mips-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 mips-openwrt-linux-musl-gcc accepts -g... yes
checking for mips-openwrt-linux-musl-gcc option to accept ISO C89... none needed
checking whether mips-openwrt-linux-musl-gcc understands -c and -o together... yes
checking dependency style of mips-openwrt-linux-musl-gcc... none
checking for inline... inline
checking for mips-openwrt-linux-ar... mips-openwrt-linux-musl-gcc-ar
checking the archiver (mips-openwrt-linux-musl-gcc-ar) interface... ar
checking build system type... x86_64-pc-linux-gnu
checking host system type... mips-openwrt-linux-gnu
checking how to print strings... printf
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 mips-openwrt-linux-musl-gcc... mips-openwrt-linux-musl-ld
checking if the linker (mips-openwrt-linux-musl-ld) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... mips-openwrt-linux-musl-gcc-nm
checking the name lister (mips-openwrt-linux-musl-gcc-nm) interface... BSD nm
checking whether ln -s works... yes
checking the maximum length of command line arguments... 1572864
checking how to convert x86_64-pc-linux-gnu file names to mips-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 mips-openwrt-linux-musl-ld option to reload object files... -r
checking for mips-openwrt-linux-objdump... mips-openwrt-linux-musl-objdump
checking how to recognize dependent libraries... pass_all
checking for mips-openwrt-linux-dlltool... no
checking for dlltool... no
checking how to associate runtime and link libraries... printf %s\n
checking for mips-openwrt-linux-ar... (cached) mips-openwrt-linux-musl-gcc-ar
checking for archiver @FILE support... @
checking for mips-openwrt-linux-strip... (cached) mips-openwrt-linux-musl-strip
checking for mips-openwrt-linux-ranlib... mips-openwrt-linux-musl-gcc-ranlib
checking command to parse mips-openwrt-linux-musl-gcc-nm output from mips-openwrt-linux-musl-gcc object... ok
checking for sysroot... no
checking for a working dd... /bin/dd
checking how to truncate binary pipes... /bin/dd bs=4096 count=1
checking for mips-openwrt-linux-mt... no
checking for mt... no
checking if : is a manifest tool... no
checking how to run the C preprocessor... mips-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 mips-openwrt-linux-musl-gcc supports -fno-rtti -fno-exceptions... no
checking for mips-openwrt-linux-musl-gcc option to produce PIC... -fPIC -DPIC
checking if mips-openwrt-linux-musl-gcc PIC flag -fPIC -DPIC works... yes
checking if mips-openwrt-linux-musl-gcc static flag -static works... yes
checking if mips-openwrt-linux-musl-gcc supports -c -o file.o... yes
checking if mips-openwrt-linux-musl-gcc supports -c -o file.o... (cached) yes
checking whether the mips-openwrt-linux-musl-gcc linker (mips-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 diff... /builder/shared-workdir/build/sdk/staging_dir/host/bin/diff
checking whether diff supports -u... yes
checking for special C compiler options needed for large files... no
checking for _FILE_OFFSET_BITS value needed for large files... no
checking for uint8_t in stdint.h... yes
checking for math functions in libm... yes
checking for failmalloc... no (cross compiling)
checking whether to build any docs... yes
checking main docdir... ${prefix}/share/doc (FHS style)
checking package docdir... ${prefix}/share/doc/libexif (default style)
checking for dot... false
checking for doxygen... false
checking whether to create internal code docs... no
checking whether NLS is requested... no
checking for msgfmt... no
checking for gmsgfmt... :
checking for xgettext... no
checking for msgmerge... no
checking for po/Makevars requiring hack... no
checking for ld used by mips-openwrt-linux-musl-gcc... mips-openwrt-linux-musl-ld
checking if the linker (mips-openwrt-linux-musl-ld) is GNU ld... yes
checking for shared library run path origin... done
checking for CFPreferencesCopyAppValue... no
checking for CFLocaleCopyCurrent... no
checking whether to use NLS... no
checking for iconv... yes
checking for working iconv... guessing yes
checking for iconv declaration... 
         extern size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
checking for localtime_s... no
checking for localtime_r... yes
checking that generated files are newer than configure... done
configure: creating ./config.status
config.status: creating po/Makefile.in
config.status: creating Makefile
config.status: creating libexif.spec
config.status: creating libexif/Makefile
config.status: creating test/Makefile
config.status: creating test/nls/Makefile
config.status: creating m4m/Makefile
config.status: creating doc/Makefile
config.status: creating doc/Doxyfile
config.status: creating doc/Doxyfile-internals
config.status: creating libexif.pc
config.status: creating libexif-uninstalled.pc
config.status: creating binary-dist/Makefile
config.status: creating contrib/Makefile
config.status: creating contrib/examples/Makefile
config.status: creating config.h
config.status: executing depfiles commands
config.status: executing libtool commands
config.status: executing po-directories commands
config.status: creating po/POTFILES
config.status: creating po/Makefile

Configuration (libexif 0.6.24):

  Build
    Source code location:          .
    Compiler:                      mips-openwrt-linux-musl-gcc
    Ship binaries in tarball:      false
    Use translations:              no

You may run "make" and "make install" now.
make[4]: Entering directory '/builder/shared-workdir/build/sdk/build_dir/target-mips_4kec_musl/libexif-0.6.24'
make  all-recursive
make[5]: Entering directory '/builder/shared-workdir/build/sdk/build_dir/target-mips_4kec_musl/libexif-0.6.24'
Making all in m4m
make[6]: Entering directory '/builder/shared-workdir/build/sdk/build_dir/target-mips_4kec_musl/libexif-0.6.24/m4m'
make[6]: Nothing to be done for 'all'.
make[6]: Leaving directory '/builder/shared-workdir/build/sdk/build_dir/target-mips_4kec_musl/libexif-0.6.24/m4m'
Making all in po
make[6]: Entering directory '/builder/shared-workdir/build/sdk/build_dir/target-mips_4kec_musl/libexif-0.6.24/po'
make[6]: Nothing to be done for 'all'.
make[6]: Leaving directory '/builder/shared-workdir/build/sdk/build_dir/target-mips_4kec_musl/libexif-0.6.24/po'
Making all in libexif
make[6]: Entering directory '/builder/shared-workdir/build/sdk/build_dir/target-mips_4kec_musl/libexif-0.6.24/libexif'
  CC       exif-byte-order.lo
libtool: Version mismatch error.  This is libtool 2.4.7, but the
libtool: definition of this LT_INIT comes from libtool 2.4.6.
libtool: You should recreate aclocal.m4 with macros from libtool 2.4.7
libtool: and run autoconf again.
make[6]: *** [Makefile:766: exif-byte-order.lo] Error 63
make[6]: Leaving directory '/builder/shared-workdir/build/sdk/build_dir/target-mips_4kec_musl/libexif-0.6.24/libexif'
make[5]: *** [Makefile:534: all-recursive] Error 1
make[5]: Leaving directory '/builder/shared-workdir/build/sdk/build_dir/target-mips_4kec_musl/libexif-0.6.24'
make[4]: *** [Makefile:418: all] Error 2
make[4]: Leaving directory '/builder/shared-workdir/build/sdk/build_dir/target-mips_4kec_musl/libexif-0.6.24'
make[3]: *** [Makefile:69: /builder/shared-workdir/build/sdk/build_dir/target-mips_4kec_musl/libexif-0.6.24/.built] Error 2
time: package/feeds/packages/libexif/compile#18.55#2.24#37.13