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Date: Fri, 23 Oct 2015 08:47:45 +0200
From: Denys Vlasenko <>
To: Rich Felker <>
Cc: Denys Vlasenko <>, musl <>
Subject: [PATCH] make CFLAGS=foo considered harmful

Signed-off-by: Denys Vlasenko <>
CC: musl <>
 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
+  CFLAGS="..." make
 exit 0

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