如何查看当前gcc的版本

1. gcc -v(Display the programs invoked by the compiler)

[root@localhost /]# gcc -v
Reading specs from /usr/i386-glibc-2.1-linux/lib/gcc-lib/i386-glibc21-linux/egcs-2.91.66/specs
gcc version egcs-2.91.66 19990314/Linux (egcs-1.1.2 release)

2. rpm -qa|grep gcc
[root@localhost /]# rpm -qa|grep gcc
gcc-3.2.2-5
gcc-c++-3.2.2-5
libgcc-3.2.2-5
compat-gcc-7.3-2.96.118
gcc-g77-3.2.2-5
gcc-java-3.2.2-5
gcc-gnat-3.2.2-5
compat-gcc-c++-7.3-2.96.118

3. gcc -dumpversion (Display the version of the compiler)

[root@localhost /]# gcc -dumpversion
egcs-2.91.66

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