From d11d2d474605a62988fb7e61e59a08bbf72cf800 Mon Sep 17 00:00:00 2001
From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Date: Sun, 15 May 2022 11:02:28 +0200
Subject: [PATCH] package/glibc: can't be built with Optimize for fast

Fix the following build failure:

In file included from <command-line>:
./../include/libc-symbols.h:82:3: error: #error "glibc must not be compiled with -ffast-math"
   82 | # error "glibc must not be compiled with -ffast-math"
      |   ^~~~~

Fixes:
 - http://autobuild.buildroot.org/results/3d91f3685ae6c3e1f765d419ea2c0da4cb0eb3be

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
---
 package/glibc/glibc.mk | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/package/glibc/glibc.mk b/package/glibc/glibc.mk
index 7b46ad42c3..45155fdc28 100644
--- a/package/glibc/glibc.mk
+++ b/package/glibc/glibc.mk
@@ -118,6 +118,11 @@ ifeq ($(BR2_nios2),y)
 GLIBC_CFLAGS += -O2
 endif
 
+# glibc can't be built with Optimize for fast
+ifeq ($(BR2_OPTIMIZE_FAST),y)
+GLIBC_CFLAGS += -O2
+endif
+
 define GLIBC_CONFIGURE_CMDS
 	mkdir -p $(@D)/build
 	# Do the configuration