WAIT. i solved 2 problems already but this i really dont know how to solve.
when i make insert it shows me all of this

///////////////////////////////////////////////////////
keys.cpp
arm-none-eabi-g++ -MMD -MP -MF /home/ricardo/Desktop/ASMPatchTemplate-master/ASM
PatchTemplate-master/build/keys.d -g -Wall -O2 -march=armv5te -mtune=arm946e-s -
fomit-frame-pointer -ffast-math -iquote /home/ricardo/Desktop/ASMPatchTemplate-
master/ASMPatchTemplate-master/include -I/opt/devkitpro/libnds/include -I/opt/de
vkitpro/devkitARM/include -I/opt/devkitpro/devkitARM/arm-none-eabi/include -I/ho
me/ricardo/Desktop/ASMPatchTemplate-master/ASMPatchTemplate-master/build -DARM9
-nodefaultlibs -I. -fno-builtin -c -fno-rtti -fno-exceptions -c /home/ricardo/De
sktop/ASMPatchTemplate-master/ASMPatchTemplate-master/source/keys.cpp -o keys.o

make[1]: arm-none-eabi-g++: Command not found
make[1]: *** [/home/ricardo/Desktop/ASMPatchTemplate-master/ASMPatchTemplate-mas
ter/Makefile:160: keys.o] Error 127
make: *** [Makefile:122: build] Error 2
Presione una tecla para continuar . . .
///////////////////////////////////////////////////////

How do i solve this?

Are you sure you installed devkitpro correctly. When you have, it should find arm-none-eabi-g++.
_________________________
yep yep

yeah i already installed it