diff options
| -rw-r--r-- | Misc/NEWS.d/next/Build/2025-04-08-09-11-32.gh-issue-132257.oZWBV-.rst | 1 | ||||
| -rwxr-xr-x | configure | 2 | ||||
| -rw-r--r-- | configure.ac | 2 |
3 files changed, 3 insertions, 2 deletions
diff --git a/Misc/NEWS.d/next/Build/2025-04-08-09-11-32.gh-issue-132257.oZWBV-.rst b/Misc/NEWS.d/next/Build/2025-04-08-09-11-32.gh-issue-132257.oZWBV-.rst new file mode 100644 index 00000000000..5bf20d2f1d0 --- /dev/null +++ b/Misc/NEWS.d/next/Build/2025-04-08-09-11-32.gh-issue-132257.oZWBV-.rst @@ -0,0 +1 @@ +Change the default LTO flags on GCC to not pass ``-flto-partition=none``, and allow parallelization of LTO. For newer GNU makes and GCC, this has a multiple factor speedup for LTO build times, with no noticeable loss in performance. diff --git a/configure b/configure index 24a7d1d43f0..decb8f2449d 100755 --- a/configure +++ b/configure @@ -8894,7 +8894,7 @@ fi LTOCFLAGS="-flto" ;; *) - LTOFLAGS="-flto -fuse-linker-plugin -ffat-lto-objects -flto-partition=none" + LTOFLAGS="-flto -fuse-linker-plugin -ffat-lto-objects" ;; esac ;; diff --git a/configure.ac b/configure.ac index bc6479c048f..004797b5233 100644 --- a/configure.ac +++ b/configure.ac @@ -2031,7 +2031,7 @@ if test "$Py_LTO" = 'true' ; then LTOCFLAGS="-flto" ;; *) - LTOFLAGS="-flto -fuse-linker-plugin -ffat-lto-objects -flto-partition=none" + LTOFLAGS="-flto -fuse-linker-plugin -ffat-lto-objects" ;; esac ;; |