Error in compilation

[rahulrajpl]

All the dependencies are satisfied. Program works perfectly. But the above error occurs during the compilation. Kindly let me know how to resolve this.

[rahulrajpl]

Additional info
$ sudo lshw -short
H/W path Device Class Description
====================================================
system 81DE (LENOVO_MT_81DE_BU_idea_FM_ideapad 330-15IKB)
/0 bus LNVNB161216
/0/0 memory 128KiB BIOS
/0/4 processor Intel(R) Core(TM) i5-8250U CPU @ 1.60GHz
/0/4/5 memory 256KiB L1 cache
/0/4/6 memory 1MiB L2 cache
/0/4/7 memory 6MiB L3 cache
/0/25 memory 8GiB System Memory
/0/25/0 memory 4GiB SODIMM DDR4 Synchronous Unbuffered (Unregistered) 2133 MHz (0.5 ns)
/0/25/1 memory 4GiB SODIMM DDR4 Synchronous Unbuffered (Unregistered) 2133 MHz (0.5 ns)
/0/100 bridge Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers
/0/100/2 display UHD Graphics 620
/0/100/14 bus Sunrise Point-LP USB 3.0 xHCI Controller
/0/100/14/0 usb1 bus xHCI Host Controller
/0/100/14/0/1 input USB Optical Mouse
/0/100/14/0/7 communication Bluetooth wireless interface
/0/100/14/0/8 multimedia EasyCamera
/0/100/14/1 usb2 bus xHCI Host Controller
/0/100/14.2 generic Sunrise Point-LP Thermal subsystem
/0/100/15 generic Sunrise Point-LP Serial IO I2C Controller #0
/0/100/16 communication Sunrise Point-LP CSME HECI #1
/0/100/17 storage Sunrise Point-LP SATA Controller [AHCI mode]
/0/100/1c bridge Sunrise Point-LP PCI Express Root Port #1
/0/100/1c/0 display GP108M [GeForce MX150]
/0/100/1c.4 bridge Sunrise Point-LP PCI Express Root Port #5
/0/100/1c.4/0 enp2s0 network RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
/0/100/1c.5 bridge Sunrise Point-LP PCI Express Root Port #6
/0/100/1c.5/0 wlp3s0 network Dual Band Wireless-AC 3165 Plus Bluetooth
/0/100/1f bridge Intel(R) 100 Series Chipset Family LPC Controller/eSPI Controller - 9D4E
/0/100/1f.2 memory Memory controller
/0/100/1f.3 multimedia Sunrise Point-LP HD Audio
/0/100/1f.4 bus Sunrise Point-LP SMBus
/0/1 scsi0 storage
/0/1/0.0.0 /dev/sda disk 1TB ST1000LM035-1RK1
/0/1/0.0.0/1 /dev/sda1 volume 141MiB Windows FAT volume
/0/1/0.0.0/2 /dev/sda2 volume 7681MiB Linux swap volume
/0/1/0.0.0/3 /dev/sda3 volume 93GiB EXT4 volume
/0/1/0.0.0/4 /dev/sda4 volume 830GiB EXT4 volume
/1 power CRB Battery 0
/2 power OEM Define 5

$ uname -a
Linux rahul-Lenovo-ideapad-330-15IKB 4.20.15-042015-generic #201903100332 SMP Sun Mar 10 07:34:10 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04.2 LTS
Release: 18.04
Codename: bionic

$ cat /etc/*release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.2 LTS"
NAME="Ubuntu"
VERSION="18.04.2 LTS (Bionic Beaver)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 18.04.2 LTS"
VERSION_ID="18.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=bionic
UBUNTU_CODENAME=bionic

[rahulrajpl]