'CXXFLAGS has changed since the previous run when building gdb

In my situation, I build gdb with
./configure --prefix=/home/vv/Desktop/gdb --enable-static=yes.
but it doesn't support python, so I try to recompile gdb with
./configure --prefix=/home/vv/Desktop/gdb --enable-static=yes --with-python
However, I get this error:

configure: loading cache ./config.cache
configure: error: `CXXFLAGS' has changed since the previous run:
configure:   former value:  `  '
configure:   current value: `-g -O2    '
configure: error: in `/home/vv/Desktop/gdb-12.1/gdbsupport':
configure: error: changes in the environment can compromise the build
configure: error: run `make distclean' and/or `rm ./config.cache' and start over
make[1]: *** [configure-gdbsupport] Error 1
make[1]: Leaving directory `/home/vv/Desktop/gdb-12.1'
make: *** [all] Error 2

I had tried make distclean or rm ./config.cache. And configure and make again. It doesn't work.

linuxcompiler-errorsgdb


Solution 1:[1]

I delete the whole folder. And extract gdb source files again. And configure and make, this time, it works well.

Sources

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Source: Stack Overflow

Solution Source
Solution 1 VictorV

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