From 3831caaac5440132844c3ee038f01a511a7dc59a Mon Sep 17 00:00:00 2001
From: Vincent Bénony
Date: Wed, 2 Dec 2015 17:19:45 +0100
Subject: IOS: Uses the SDKROOT variable only if provided

---
 configure | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/configure b/configure
index dc2994d33b..cf70f8cb5f 100755
--- a/configure
+++ b/configure
@@ -3001,9 +3001,14 @@ case $_backend in
 		append_var LIBS "-lobjc -framework UIKit -framework CoreGraphics -framework OpenGLES"
 		append_var LIBS "-framework QuartzCore -framework CoreFoundation -framework Foundation"
 		append_var LIBS "-framework AudioToolbox -framework CoreAudio"
-		append_var LDFLAGS "-isysroot $SDKROOT -miphoneos-version-min=7.1 -arch armv7"
-		append_var CFLAGS "-isysroot $SDKROOT -miphoneos-version-min=7.1 -arch armv7"
-		append_var CXXFLAGS "-isysroot $SDKROOT -miphoneos-version-min=7.1 -arch armv7"
+		append_var LDFLAGS "-miphoneos-version-min=7.1 -arch armv7"
+		append_var CFLAGS "-miphoneos-version-min=7.1 -arch armv7"
+		append_var CXXFLAGS "-miphoneos-version-min=7.1 -arch armv7"
+		if test -n "$SDKROOT"; then
+			append_var LDFLAGS "-isysroot $SDKROOT"
+			append_var CFLAGS "-isysroot $SDKROOT"
+			append_var CXXFLAGS "-isysroot $SDKROOT"
+		fi
 		;;
 	linuxmoto)
 		append_var DEFINES "-DLINUXMOTO"
-- 
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