When I compile kgdb earlier, due to Kernel configuration (For details, refer to my blog article "build kgdb on vmware to debug the linuxkernel source code platform, therefore, I initially suspected that the gcc version on RedHat was too low (3.2.2. After the Gcc version is upgraded to 3.4.6, it is not because of the version. In this case, the gcc rpm upgrade method is implemented. Here we will share with you the rpm method of gcc upgrade: 1. Download gcc3 and compile kgdb in front of it, due to kernel configuration (For details, refer to my blog "build kgdb to debug linux kernel source code platform on vmware, therefore, I initially suspected that the gcc version on RedHat was too low (3.2.2. After the Gcc version is upgraded to 3.4.6, it is not because of the version. In this case, the gcc rpm upgrade method is implemented. Here we will share with you the rpm method of gcc upgrade:
1. Download the rpm package for gcc3.4.6
Bytes. The RPM package to be downloaded is as follows:
After the installation is complete, run the command to view the relevant version.
# Gcc --- version/* view gcc version */
#/Lib/libc. so.6/* view the glibc version */
At this time, I wrote a simple hello. c file for compilation and found that the stdio. h file could not be found. Fainted, at this time I re-installed the glibc-headers-2.3.4-2.36.i386.rpm once. Recompile hello. c and Linux kernel. All are successful. As to why you finally need to re-install the glibc-headers-2.3.4-2.36.i386.rpm, it may be that the installation order of the previous rpm package is wrong. I have no further details. This is because I went straight to kgdb.
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