CentOS 7.2 安装失败 - VPS侦探论坛

Installing:
gcc-c++                x86_64       4.8.5-44.el7       base       7.2 M
Installing for dependencies:
libstdc++-devel       x86_64       4.8.5-44.el7       base       1.5 M
Updating for dependencies:
libstdc++             x86_64       4.8.5-44.el7       base       306 k

Transaction Summary
================================================================================
Install  1 Package  (+1 Dependent package)
Upgrade          ( 1 Dependent package)

Total download size: 9.0 M
Downloading packages:
Delta RPMs disabled because /usr/bin/applydeltarpm not installed.

Exiting on user cancel
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/bin/sh ./libtool  --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H -I. -I./src  -I./src -DNO_TCMALLOC_SAMPLES -pthread -DNDEBUG -Wall -Wwrite-strings -Woverloaded-virtual -Wno-sign-compare -fno-builtin-malloc -fno-builtin-free -fno-builtin-realloc -fno-builtin-calloc -fno-builtin-cfree -fno-builtin-memalign -fno-builtin-posix_memalign -fno-builtin-valloc -fno-builtin-pvalloc  -Wno-unused-result -DNO_FRAME_POINTER  -c -o src/libtcmalloc_minimal_la-tcmalloc.lo `test -f 'src/tcmalloc.cc' || echo './'`src/tcmalloc.cc
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I./src -I./src -DNO_TCMALLOC_SAMPLES -pthread -DNDEBUG -Wall -Wwrite-strings -Woverloaded-virtual -Wno-sign-compare -fno-builtin-malloc -fno-builtin-free -fno-builtin-realloc -fno-builtin-calloc -fno-builtin-cfree -fno-builtin-memalign -fno-builtin-posix_memalign -fno-builtin-valloc -fno-builtin-pvalloc -Wno-unused-result -DNO_FRAME_POINTER -c src/tcmalloc.cc  -o src/.libs/libtcmalloc_minimal_la-tcmalloc.o
./libtool: line 1858: g++: command not found
make: *** [src/libtcmalloc_minimal_la-tcmalloc.lo] Error 1