libtool: compile: armeb-buildroot-linux-uclibcgnueabi-gcc -DHAVE_CONFIG_H -I. -I.. -D_LARGEFILE_SOURCE=1 -D_LARGE_FILES -D_FILE_OFFSET_BITS=64 -D_REENTRANT -DXTABLES_LIBDIR="/vobs/TS_nextgen/build/vgwsdk/fs/gw/lib/xtables" -DXTABLES_INTERNAL -I../include -I../include -I../iptables -I/vobs/TS_nextgen/kernel/ti/linux-2.6.39.3/src/include/uapi -I/vobs/TS_nextgen/kernel/ti/linux-2.6.39.3/src/include -I/vobs/TS_nextgen/kernel/ti/linux-2.6.39.3/src/include/uapi -I/vobs/TS_nextgen/kernel/ti/linux-2.6.39.3/src/include -Wall -Waggregate-return -Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wshadow -Wstrict-prototypes -Wlogical-op -Winline -pipe -I/vobs/TS_nextgen/ti/include -I/vobs/TS_nextgen/ti/include/asm-arm/arch-avalanche/generic -I/vobs/TS_nextgen/ti/include/masdk -I/vobs/TS_nextgen/ti/include/ncsdk -funwind-tables -rdynamic -mthumb -mthumb-interwork -DINCLUDE_ARRIS_GW -DINCLUDE_INTEL_GW -DINCLUDE_ARRIS_TG1682 -DCONFIG_VENDOR_ARRIS_FULL_DEBUG -DINCLUDE_PCABLE -DINCLUDE_ARRIS_GW_TR69 -Os -ffunction-sections -fdata-sections -fPIC -MT libxtables_la-xtables.lo -MD -MP -MF .deps/libxtables_la-xtables.Tpo -c xtables.c -fPIC -DPIC -o .libs/libxtables_la-xtables.o
xtables.c:24:19: fatal error: spawn.h: No such file or directory
compilation terminated.
make[7]: *** [libxtables_la-xtables.lo] Error 1
make[7]: Leaving directory `/vobs/ti_gw/gw/src/iptables/src/iptables-1.8.4/libxtables'
make[6]: *** [all-recursive] Error 1
make[6]: Leaving directory `/vobs/ti_gw/gw/src/iptables/src/iptables-1.8.4'
make[5]: *** [all] Error 2

this file belongs to libc, so probably you need to specify -sysroot for this compiler to be able to find it.

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