make[3]: Entering directory '/build/lede-17.01-phase2/mips64el_mips64/build/sdk/feeds/packages/lang/perl-device-serialport'
PERL5LIB=  make -C /build/lede-17.01-phase2/mips64el_mips64/build/sdk/build_dir/target-mips64el_mips64_64_musl-1.1.15/perl/Device-SerialPort-1.04  install
make[4]: Entering directory '/build/lede-17.01-phase2/mips64el_mips64/build/sdk/build_dir/target-mips64el_mips64_64_musl-1.1.15/perl/Device-SerialPort-1.04'
mips64el-openwrt-linux-gcc -c  -I. -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Os -pipe -mno-branch-likely -mips64 -mtune=mips64 -mabi=64 -fno-caller-saves -fno-plt -fhonour-copts -Wno-error=unused-but-set-variable -Wno-error=unused-result -msoft-float -iremap /build/lede-17.01-phase2/mips64el_mips64/build/sdk/build_dir/target-mips64el_mips64_64_musl-1.1.15/perl/Device-SerialPort-1.04:Device-SerialPort-1.04 -Wformat -Werror=format-security -fstack-protector -D_FORTIFY_SOURCE=1 -Wl,-z,now -Wl,-z,relro -I/build/lede-17.01-phase2/mips64el_mips64/build/sdk/staging_dir/target-mips64el_mips64_64_musl-1.1.15/usr/include -I/build/lede-17.01-phase2/mips64el_mips64/build/sdk/staging_dir/target-mips64el_mips64_64_musl-1.1.15/include -I/build/lede-17.01-phase2/mips64el_mips64/build/sdk/staging_dir/toolchain-mips64el_mips64_64_gcc-5.4.0_musl-1.1.15/usr/include -I/build/lede-17.01-phase2/mips64el_mips64/build/sdk/staging_dir/toolchain-mips64el_mips64_64_gcc-5.4.0_musl-1.1.15/include/fortify -I/build/lede-17.01-phase2/mips64el_mips64/build/sdk/staging_dir/toolchain-mips64el_mips64_64_gcc-5.4.0_musl-1.1.15/include -O2   -DVERSION=\"1.04\" -DXS_VERSION=\"1.04\" -fPIC "-I/build/lede-17.01-phase2/mips64el_mips64/build/sdk/staging_dir/target-mips64el_mips64_64_musl-1.1.15/usr/lib/perl5/5.22/CORE/"   SerialPort.c
SerialPort.xs:1:20: fatal error: EXTERN.h: No such file or directory
compilation terminated.
Makefile:340: recipe for target 'SerialPort.o' failed
make[4]: *** [SerialPort.o] Error 1
make[4]: Leaving directory '/build/lede-17.01-phase2/mips64el_mips64/build/sdk/build_dir/target-mips64el_mips64_64_musl-1.1.15/perl/Device-SerialPort-1.04'
Makefile:53: recipe for target '/build/lede-17.01-phase2/mips64el_mips64/build/sdk/build_dir/target-mips64el_mips64_64_musl-1.1.15/perl/Device-SerialPort-1.04/.built' failed
make[3]: *** [/build/lede-17.01-phase2/mips64el_mips64/build/sdk/build_dir/target-mips64el_mips64_64_musl-1.1.15/perl/Device-SerialPort-1.04/.built] Error 2
make[3]: Leaving directory '/build/lede-17.01-phase2/mips64el_mips64/build/sdk/feeds/packages/lang/perl-device-serialport'