Centos-bash:./xxx/make:no such file or directory

The following error occurred while installing MPFR:
-bash:./mpfr-3.1.2/make:no such file or directory

[[email protected] opt]#./mpfr-3.1.2/make-bash:./mpfr-3.1. 2/make:no such file or directory[[email protected] opt)#/opt/mpfr-3.1.2/make-bash:/opt/mpfr-3.1. 2/make:no such file or directory[[email protected] opt)# .. /mpfr-3.1.2/make-bash:.. /mpfr-3.1. 2/make:no such file or directory[[email protected] opt)# Mpfr-3.1.2/make-bash:mpfr-3.1. 2/make:no such file or directory[[email protected] opt)# mpfr-3.1.2/configureChecking forA bsd-compatible install .../usr/bin/install-cchecking whether build environment is sane ... yeschecking forA thread-safe mkdir-p .../bin/mkdir-pchecking forGawk gawkchecking Whether make sets $ (make)...Yesconfigure:error:SourceDirectory already configured; Run"Make Distclean"There first[[email protected] opt]#./mpfr-3.1.2/configureChecking forA bsd-compatible install .../usr/bin/install-cchecking whether build environment is sane ... yeschecking forA thread-safe mkdir-p .../bin/mkdir-pchecking forGawk gawkchecking Whether make sets $ (make)...Yesconfigure:error:SourceDirectory already configured; Run"Make Distclean"There first[[email protected] opt]# 

Note:
Configure can be executed as follows:
Mpfr-3.1.2/configure
Or:
./mpfr-3.1.2/configure

However, make and make install cannot be executed as follows:
Mpfr-3.1.2/make
Or:
./mpfr-3.1.2/make

Mpfr-3.1.2/make Install
Or:
./mpfr-3.1.2/make Install

Centos-bash:./xxx/make:no such file or directory