From: Michael Olbrich <m.olbrich@pengutronix.de>
Date: Tue, 1 Nov 2011 23:45:06 +0100
Subject: [PATCH] configure.in: detect readelf with AC_CHECK_TARGET_TOOL

This patch was introduced with patches for Mac. Probably because
a nonstandard readelf is needed there.

Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
---
 configure.in |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/configure.in b/configure.in
index fbc64b9..f13cba3 100644
--- a/configure.in
+++ b/configure.in
@@ -1457,6 +1457,8 @@ EOF
     fi
   fi
 
+  AC_CHECK_TARGET_TOOL([READELF],[readelf],[readelf],[$PATH])
+
   AC_CACHE_CHECK(for .preinit_array/.init_array/.fini_array support,
 		 libc_cv_initfini_array, [dnl
   cat > conftest.c <<EOF
@@ -1468,7 +1470,7 @@ EOF
   if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -o conftest conftest.c
 		     -static -nostartfiles -nostdlib 1>&AS_MESSAGE_LOG_FD])
   then
-    if readelf -S conftest | fgrep INIT_ARRAY > /dev/null; then
+    if $READELF -S conftest | fgrep INIT_ARRAY > /dev/null; then
       libc_cv_initfini_array=yes
     else
       libc_cv_initfini_array=no
@@ -1655,7 +1657,7 @@ dnl cross-platform since the gcc used can be a cross compiler.  Without
 dnl introducing new options this is not easily doable.  Instead use a tool
 dnl which always is cross-platform: readelf.  To detect whether -z combreloc
 dnl look for a section named .rel.dyn.
-    if readelf -S conftest.so | grep '\.rel\(a\|\)\.dyn' > /dev/null; then
+    if $READELF -S conftest.so | grep '\.rel\(a\|\)\.dyn' > /dev/null; then
       libc_cv_z_combreloc=yes
     else
       libc_cv_z_combreloc=no