[doc-patch] clarify -Accflags in INSTALL

Message-ID: <442740E3.8030006@gmail.com>

p4raw-id: //depot/perl@27625

diff --git a/INSTALL b/INSTALL
index 95c8033..1b36454 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -334,6 +334,11 @@ invocations:
 
        sh Configure -Accflags="-DPERL_EXTERNAL_GLOB -DPERL_POLLUTE_MALLOC"
 
+To clarify, those ccflags values are not Configure options; if passed to
+Configure directly, they won't do anything useful (that will define a config.sh
+variable, but without taking any action based upon it).  When passed to the
+compiler, those flags will activate #ifdefd code.
+
 For more help on Configure switches, run
 
        sh Configure -h