[Git][reproducible-builds/reproducible-notes][master] gcc-13: Update comments regarding gm2, _formulas.log, nopgo, nolto,

[Vagrant Cascadian (@vagrant)]

Vagrant Cascadian pushed to branch master at Reproducible Builds / reproducible-notes


Commits:
91b57ccd by Vagrant Cascadian at 2023-05-04T16:18:16-07:00
gcc-13: Update comments regarding gm2, _formulas.log, nopgo, nolto,
nocheck and nodoc.

- - - - -


1 changed file:

- packages.yml


Changes:

=====================================
packages.yml
=====================================
@@ -7004,14 +7004,23 @@ gcc-12-cross-mipsen:
 gcc-13:
   version: 13-20230320-1
   comments: |
-    date and year in /usr/bin/*-linux-gnu-gm2-12 as part of version
-    headers. Patch submitted for GNU Modula-2, which is part of the
-    gcc build
-    process. https://savannah.nongnu.org/bugs/index.php?63944
-    .
     @DATE@ embedded in libstdc++-v3/doc/doxygen/mainpage.html by way
     of the run_doxygen script
     https://gcc.gnu.org/git?p=gcc.git;a=blob;f=libstdc%2B%2B-v3/scripts/run_doxygen;h=42ed9eb4f5dfa8ed7697f4ac50353133ff6a8e6b;hb=cc035c5d8672f87dc8c2756d9f8367903aa72d93#l133
+    .
+    Includes build log containing timestamp and other
+    non-deterministic information in _formulas.log in documentation
+    directories.
+    .
+    Disabling Profile Guided Optimization (PGO) and Link-Time
+    Optimization (LTO) with DEB_BUILD_OPTIONS="nolto nopgo"
+    significantly reduce reproducibility issues.
+    .
+    Building with DEB_BUILD_OPTIONS="nocheck" fixes the test_suite_log
+    issues.
+    .
+    Building with DEB_BUILD_OPTIONS="nodoc" avoids some
+    non-determinism in the documentation.
   issues:
     - test_suite_logs
 gcc-6:



View it on GitLab: https://salsa.debian.org/reproducible-builds/reproducible-notes/-/commit/91b57ccdf59fae04d30dc6815d4e66781570087e

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