From 9b92edddbe506c3ebaa6f970e62270facdcc5a27 Mon Sep 17 00:00:00 2001
From: Adrian Vondendriesch <adrian.vondendriesch@credativ.de>
Date: Mon, 30 Jan 2017 17:06:35 -0500
Subject: [PATCH] Remove Intel-specific optimization from C library build
 flags.

Contributed by Adrian Vondendriesch.
---
 doc/xml/release.xml | 8 ++++++++
 libc/Makefile.PL    | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/doc/xml/release.xml b/doc/xml/release.xml
index 08252ca25..ed8abec9c 100644
--- a/doc/xml/release.xml
+++ b/doc/xml/release.xml
@@ -272,6 +272,14 @@
                     <release-item>
                         <p>Reduced the likelihood of torn pages causing a false positive in page checksums by filtering on start backup LSN.</p>
                     </release-item>
+
+                    <release-item>
+                        <release-item-contributor-list>
+                            <release-item-contributor id="vondendriesch.adrian"/>
+                        </release-item-contributor-list>
+
+                        <p>Remove Intel-specific optimization from C library build flags.</p>
+                    </release-item>
                 </release-refactor-list>
             </release-core-list>
 
diff --git a/libc/Makefile.PL b/libc/Makefile.PL
index ec85ee31a..312aa8cc7 100644
--- a/libc/Makefile.PL
+++ b/libc/Makefile.PL
@@ -12,7 +12,7 @@ WriteMakefile
     NAME              => 'pgBackRest::LibC',
     VERSION_FROM      => 'lib/pgBackRest/LibC.pm', # finds $VERSION, requires EU::MM from perl >= 5.5
     AUTHOR            => 'David Steele <david@pgbackrest.org>',
-    CCFLAGS           => '-std=c99 -msse4.1 -funroll-loops -ftree-vectorize -ftree-vectorizer-verbose=2',
+    CCFLAGS           => '-std=c99 -funroll-loops -ftree-vectorize -ftree-vectorizer-verbose=2 $(CFLAGS)',
     LIBS              => [''], # e.g., '-lm'
     DEFINE            => '', # e.g., '-DHAVE_SOMETHING'
     INC               => '-I.', # e.g., '-I. -I/usr/include/other'