Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
+ cd pycairo-1.28.0
+ set -ex
+ CFLAGS='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64-v2 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection'
+ LDFLAGS='-Wl,-z,relro -Wl,--as-needed  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 '
+ /usr/bin/python3.12 setup.py build '--executable=/usr/bin/python3.12 -sP'
/usr/bin/python3.12: can't open file '/builddir/build/BUILD/pycairo-1.28.0/setup.py': [Errno 2] No such file or directory
error: Bad exit status from /var/tmp/rpm-tmp.ts6drB (%build)
    Bad exit status from /var/tmp/rpm-tmp.ts6drB (%build)
When "setup.py': [Errno 2] No such file or directory" occurs it usually means that the package switched to a compliant PEP-517 build system, moving from setup.py to pyproject.toml.