From 7adc49569258fcd94f633ca678f404598edd5a05 Mon Sep 17 00:00:00 2001 From: Lorenzo Marcantonio Date: Wed, 28 Nov 2012 08:38:02 +0100 Subject: [PATCH] Added warning about gcc 4.7.1 miscompile in COMPILING.txt --- Documentation/compiling/COMPILING.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/compiling/COMPILING.txt b/Documentation/compiling/COMPILING.txt index 161aa18d3d..8577102668 100644 --- a/Documentation/compiling/COMPILING.txt +++ b/Documentation/compiling/COMPILING.txt @@ -44,6 +44,9 @@ Compiler and basic development tools Make sure g++, make and other tools are in your path. If windows, then try running g++ and make from within your msys bash shell. +PLEASE NOTE: g++ 4.7.1 at least (possibly the 4.7.x series) is known to +miscompile pcbnew (it get zones wrong) with -O2; using -O1 is a suitable +workaround until they fix the compiler. Install or Build wxWidgets --------------------------