[HTC Pico (Explorer)] Neferth:
Seem more complicated than expected...

Swap added, build seems doing nicely... Or not.

I am not lucky with compilations these days.^^'

target Symbolic: libwebviewchromium (/home/neon/OmniBuild/android/omni/out/target/product/pico/symbols/system/lib/libwebviewchromium.so)
target Prebuilt: twrp (/home/neon/OmniBuild/android/omni/out/target/product/pico/obj/RECOVERY_EXECUTABLES/twrp_intermediates/twrp)
target Prebuilt: teamwin (/home/neon/OmniBuild/android/omni/out/target/product/pico/obj/RECOVERY_EXECUTABLES/teamwin_intermediates/teamwin)
Install: /home/neon/OmniBuild/android/omni/out/target/product/pico/recovery/root/res/twrp
Install: /home/neon/OmniBuild/android/omni/out/target/product/pico/recovery/root/sbin/teamwin
#
# configuration written to .config
#
make[1]: Leaving directory '/home/neon/OmniBuild/android/omni/kernel/htc/pico'
make -C kernel/htc/pico O=/home/neon/OmniBuild/android/omni/out/target/product/pico/obj/KERNEL_OBJ ARCH=arm CROSS_COMPILE="/home/neon/OmniBuild/android/omni/prebuilts/misc/linux-x86/ccache/ccache /home/neon/OmniBuild/android/omni/prebuilts/gcc/linux-x86/arm/arm-eabi-4.7/bin/arm-eabi-" headers_install
make[1]: Entering directory '/home/neon/OmniBuild/android/omni/kernel/htc/pico'
CHK include/linux/version.h
make[1]: Leaving directory '/home/neon/OmniBuild/android/omni/kernel/htc/pico'
make -C kernel/htc/pico O=/home/neon/OmniBuild/android/omni/out/target/product/pico/obj/KERNEL_OBJ ARCH=arm CROSS_COMPILE="/home/neon/OmniBuild/android/omni/prebuilts/misc/linux-x86/ccache/ccache /home/neon/OmniBuild/android/omni/prebuilts/gcc/linux-x86/arm/arm-eabi-4.7/bin/arm-eabi-" zImage
make[1]: Entering directory '/home/neon/OmniBuild/android/omni/kernel/htc/pico'
GEN /home/neon/OmniBuild/android/omni/out/target/product/pico/obj/KERNEL_OBJ/Makefile
scripts/kconfig/conf --silentoldconfig Kconfig
CHK include/linux/version.h
GEN /home/neon/OmniBuild/android/omni/out/target/product/pico/obj/KERNEL_OBJ/Makefile
acp: failed writing '/home/neon/OmniBuild/android/omni/out/target/product/pico/symbols/system/lib/libwebviewchromium.so': No space left on device
build/core/dynamic_binary.mk:100: recipe for target '/home/neon/OmniBuild/android/omni/out/target/product/pico/symbols/system/lib/libwebviewchromium.so' failed
make: *** [/home/neon/OmniBuild/android/omni/out/target/product/pico/symbols/system/lib/libwebviewchromium.so] Error 1
make: *** Deleting file '/home/neon/OmniBuild/android/omni/out/target/product/pico/symbols/system/lib/libwebviewchromium.so'
CHK include/generated/utsrelease.h
Using /home/neon/OmniBuild/android/omni/kernel/htc/pico as source for kernel
make[3]: 'include/generated/mach-types.h' is up to date.
CALL /home/neon/OmniBuild/android/omni/kernel/htc/pico/scripts/checksyscalls.sh
CHK include/generated/compile.h
GZIP kernel/config_data.gz
CHK kernel/config_data.h
make: *** Attente des tâches non terminées....
Kernel: arch/arm/boot/Image is ready
XZKERN arch/arm/boot/compressed/piggy.xzkern
SHIPPED arch/arm/boot/compressed/ashldi3.S
SHIPPED arch/arm/boot/compressed/lib1funcs.S
AS arch/arm/boot/compressed/lib1funcs.o
AS arch/arm/boot/compressed/ashldi3.o
AS arch/arm/boot/compressed/piggy.xzkern.o
LD arch/arm/boot/compressed/vmlinux
OBJCOPY arch/arm/boot/zImage
Kernel: arch/arm/boot/zImage is ready
make[1]: Leaving directory '/home/neon/OmniBuild/android/omni/kernel/htc/pico'
make -C kernel/htc/pico O=/home/neon/OmniBuild/android/omni/out/target/product/pico/obj/KERNEL_OBJ ARCH=arm CROSS_COMPILE="/home/neon/OmniBuild/android/omni/prebuilts/misc/linux-x86/ccache/ccache /home/neon/OmniBuild/android/omni/prebuilts/gcc/linux-x86/arm/arm-eabi-4.7/bin/arm-eabi-" modules
make[1]: Entering directory '/home/neon/OmniBuild/android/omni/kernel/htc/pico'
GEN /home/neon/OmniBuild/android/omni/out/target/product/pico/obj/KERNEL_OBJ/Makefile
CHK include/linux/version.h
Using /home/neon/OmniBuild/android/omni/kernel/htc/pico as source for kernel
CHK include/generated/utsrelease.h
make[3]: 'include/generated/mach-types.h' is up to date.
CALL /home/neon/OmniBuild/android/omni/kernel/htc/pico/scripts/checksyscalls.sh
Building modules, stage 2.
MODPOST 2 modules
make[1]: Leaving directory '/home/neon/OmniBuild/android/omni/kernel/htc/pico'
make -C kernel/htc/pico O=/home/neon/OmniBuild/android/omni/out/target/product/pico/obj/KERNEL_OBJ INSTALL_MOD_PATH=../../system ARCH=arm CROSS_COMPILE="/home/neon/OmniBuild/android/omni/prebuilts/misc/linux-x86/ccache/ccache /home/neon/OmniBuild/android/omni/prebuilts/gcc/linux-x86/arm/arm-eabi-4.7/bin/arm-eabi-" modules_install
make[1]: Entering directory '/home/neon/OmniBuild/android/omni/kernel/htc/pico'
INSTALL drivers/net/kineto_gan.ko
INSTALL drivers/net/wireless/bcmdhd/bcmdhd.ko
DEPMOD 3.0.101
Warning: you may need to install module-init-tools
See http://www.codemonkey.org.uk/docs/post-halloween-2.6.txt
make[1]: Leaving directory '/home/neon/OmniBuild/android/omni/kernel/htc/pico'
mdpath=`find /home/neon/OmniBuild/android/omni/out/target/product/pico/system/lib/modules -type f -name modules.order`; if [ "$mdpath" != "" ];then mpath=`dirname $mdpath`; ko=`find $mpath/kernel -type f -name *.ko`; for i in $ko; do /home/neon/OmniBuild/android/omni/prebuilts/gcc/linux-x86/arm/arm-eabi-4.7/bin/arm-eabi-strip --strip-unneeded $i; mv $i /home/neon/OmniBuild/android/omni/out/target/product/pico/system/lib/modules/; done; fi
mdpath=`find /home/neon/OmniBuild/android/omni/out/target/product/pico/system/lib/modules -type f -name modules.order`; if [ "$mdpath" != "" ];then mpath=`dirname $mdpath`; rm -rf $mpath; fi

real 4m35.558s
user 1m44.670s
sys 0m49.860s

I will update this post when I found the solution.