From: Marc Kleine-Budde <mkl@pengutronix.de>
Date: Wed, 18 Nov 2015 18:19:39 +0100
Subject: [PATCH] add SYSROOT handling to libpng-config

Upstream: https://sourceforge.net/p/libpng/feature-requests/17/

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---
 scripts/libpng-config.in | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/scripts/libpng-config.in b/scripts/libpng-config.in
index 7ae7d50f2065..a61f9a58047d 100755
--- a/scripts/libpng-config.in
+++ b/scripts/libpng-config.in
@@ -18,8 +18,8 @@ libdir="@libdir@"
 includedir="@includedir@/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@"
 libs="-lpng@PNGLIB_MAJOR@@PNGLIB_MINOR@"
 all_libs="-lpng@PNGLIB_MAJOR@@PNGLIB_MINOR@ @LIBS@"
-I_opts="-I${includedir}"
-L_opts="-L${libdir}"
+I_opts="-I${SYSROOT}${includedir}"
+L_opts="-L${SYSROOT}${libdir}"
 R_opts=""
 cppflags=""
 ccopts="@LIBPNG_NO_MMX@"
@@ -59,7 +59,7 @@ while test $# -gt 0; do
     case "$1" in
 
     --prefix)
-        echo ${prefix}
+        echo ${SYSROOT}${prefix}
         ;;
 
     --version)