From 4f634a2e1be98a74200a9bb1ed8927860251a2cd Mon Sep 17 00:00:00 2001 From: Willy Tarreau Date: Wed, 31 May 2023 15:27:01 +0200 Subject: [PATCH] DOC: install: mention the common strict-aliasing warning on older compilers In the errors and warnings section about common issues, it's useful to mention the strict-aliasing warning that was happening with gcc-4.4 that may still be found on old systems, especially since it will probably take ages to build there and the warning is harmless. --- INSTALL | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/INSTALL b/INSTALL index ca47aa83da..e8b36e0a75 100644 --- a/INSTALL +++ b/INSTALL @@ -446,6 +446,10 @@ target. Common issues may include: not support QUIC. Either disable QUIC with "USE_QUIC=" or use any other supported compatible library. + - many "dereferencing pointer 'sa.985' does break strict-aliasing rules" + => these warnings happen on old compilers (typically gcc-4.4), and may + safely be ignored; newer ones are better on these. + 4.11) QUIC ----------