javascript - Linux installation mcrypt PHP extension encountered the following problems, how to solve it?

[root@localhost mcrypt-2.6.8]# make
make all-recursive
make[1]: Entering directory `/usr/local/src/mcrypt-2.6.8'
Making all in doc
make[2] : Entering directory `/usr/local/src/mcrypt-2.6.8/doc'
make[2]: Nothing to be done for `all'.
make[2]: Leaving directory `/usr/local/src/ mcrypt-2.6.8/doc'
Making all in src
make[2]: Entering directory `/usr/local/src/mcrypt-2.6.8/src'
gaa -o gaaout.c -i gaa.h mcrypt .gaa
make[2]: gaa: command not found
make[2]: * [gaaout.c] Error 127
make[2]: Leaving directory `/usr/local/src/mcrypt-2.6.8 /src'
make[1]: * [all-recursive] Error 1
make[1]: Leaving directory `/usr/local/src/mcrypt-2.6.8'
make: * [all] Error 2

Reply content:

[root@localhost mcrypt-2.6.8]# make
make all-recursive
make[1]: Entering directory `/usr/local/src/mcrypt-2.6.8'
Making all in doc
make[2] : Entering directory `/usr/local/src/mcrypt-2.6.8/doc'
make[2]: Nothing to be done for `all'.
make[2]: Leaving directory `/usr/local/src/ mcrypt-2.6.8/doc'
Making all in src
make[2]: Entering directory `/usr/local/src/mcrypt-2.6.8/src'
gaa -o gaaout.c -i gaa.h mcrypt .gaa
make[2]: gaa: command not found
make[2]: * [gaaout.c] Error 127
make[2]: Leaving directory `/usr/local/src/mcrypt-2.6.8 /src'
make[1]: * [all-recursive] Error 1
make[1]: Leaving directory `/usr/local/src/mcrypt-2.6.8'
make: * [all] Error 2