I want compile NodeMcu, on Ubuntu.
make
make[1]: Entering directory `/home/zsolt/esp8266/nodemcu-firmware/app'
make[2]: Entering directory `/home/zsolt/esp8266/nodemcu-firmware/app/user'
DEPEND: xtensa-lx106-elf-gcc -M -Os -Os -ffunction-sections -fno-jump-tables -fdata-sections -g -O2 -Wpointer-arith -Wundef -Werror -Wl,-EL -fno-inline-functions -nostdlib -mlongcalls -mtext-section-literals -D__ets__ -DICACHE_FLASH -DLWIP_OPEN_SRC -DPBUF_RSV_FOR_WLAN -DEBUF_LWIP -I include -I ./ -I ../../include/ets -I ../libc -I ../platform -I ../lua -I ../wofs -I ../include -I ./ -I ../../include -I ../../include/eagle user_main.c
In file included from ../libc/c_string.h:10:0,
from user_main.c:13:
../../include/osapi.h:8:20: fatal error: string.h: No such file or directory
#include <string.h>
^
compilation terminated.
What is wrong?