Unable to Build Redis CLI on RHEL 7.8

gcc -std=gnu99 -Wall -pipe -g3 -O3 -funroll-loops -c -D_GNU_SOURCE -D_REENTRANT -Iinclude -Iinclude -o src/tcache.o src/tcache.c

gcc -std=gnu99 -Wall -pipe -g3 -O3 -funroll-loops -c -D_GNU_SOURCE -D_REENTRANT -Iinclude -Iinclude -o src/ticker.o src/ticker.c

gcc -std=gnu99 -Wall -pipe -g3 -O3 -funroll-loops -c -D_GNU_SOURCE -D_REENTRANT -Iinclude -Iinclude -o src/tsd.o src/tsd.c

gcc -std=gnu99 -Wall -pipe -g3 -O3 -funroll-loops -c -D_GNU_SOURCE -D_REENTRANT -Iinclude -Iinclude -o src/witness.o src/witness.c

ar crus lib/libjemalloc.a src/jemalloc.o src/arena.o src/background_thread.o src/base.o src/bin.o src/bitmap.o src/ckh.o src/ctl.o src/div.o src/extent.o src/extent_dss.o src/extent_mmap.o src/hash.o src/hooks.o src/large.o src/log.o src/malloc_io.o src/mutex.o src/mutex_pool.o src/nstime.o src/pages.o src/prng.o src/prof.o src/rtree.o src/stats.o src/sz.o src/tcache.o src/ticker.o src/tsd.o src/witness.o

make[3]: Leaving directory `/home/ec2-user/FileTransfer/redis-stable/deps/jemalloc’

make[2]: Leaving directory `/home/ec2-user/FileTransfer/redis-stable/deps’

CC adlist.o

CC quicklist.o

CC ae.o

CC anet.o

CC dict.o

CC server.o

In file included from server.c:30:0:

server.h:1045:5: error: expected specifier-qualifier-list before ‘_Atomic’

_Atomic unsigned int lruclock; / Clock for LRU eviction /