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Building 3.14.5 with gcc 15.2 and --enable-bolt produces this warning:
default: BOLT-WARNING: specifying numeric value "1" for option -icf is deprecated
This line in configure.ac hard codes -icf=1 in BOLT_APPLY_FLAGS:
configure.ac
-icf=1
BOLT_APPLY_FLAGS
cpython/configure.ac
Line 2258 in 54a5fd4
This issue mentions ICF behavior: #134642
Build environment: Ubuntu 26.04 LTS, gcc 15.2.0, configure with:
./configure --enable-optimizations --with-lto --enable-bolt --enable-safety --enable-slower-safety --with-system-expat CXX=/usr/bin/g++ CFLAGS="-flto=auto" LDFLAGS="-flto=auto"
3.14
Linux
Bug report
Bug description:
Building 3.14.5 with gcc 15.2 and --enable-bolt produces this warning:
This line in
configure.achard codes-icf=1inBOLT_APPLY_FLAGS:cpython/configure.ac
Line 2258 in 54a5fd4
This issue mentions ICF behavior: #134642
Build environment: Ubuntu 26.04 LTS, gcc 15.2.0, configure with:
CPython versions tested on:
3.14
Operating systems tested on:
Linux