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Date: Fri, 23 Oct 2015 08:47:45 +0200
From: Denys Vlasenko <vda.linux@...glemail.com>
To: Rich Felker <dalias@...c.org>
Cc: Denys Vlasenko <vda.linux@...glemail.com>, musl <musl@...ts.openwall.com>
Subject: [PATCH] make CFLAGS=foo considered harmful

Signed-off-by: Denys Vlasenko <vda.linux@...glemail.com>
CC: musl <musl@...ts.openwall.com>
---
 configure | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/configure b/configure
index 03c0ebe..4564ad8 100755
--- a/configure
+++ b/configure
@@ -40,6 +40,16 @@ Some influential environment variables:
 
 Use these variables to override the choices made by configure.
 
+Note that overriding variables on make command line (IOW, running
+make CFLAGS="...") is not tested to work properly, and may result
+in a severely suboptimal build. Place your overrides into environment:
+
+  export CFLAGS="..."; make
+
+or
+
+  CFLAGS="..." make
+
 EOF
 exit 0
 }
-- 
1.8.1.4

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