From 709299f2912bfb796b42497f6037a9c9a89f0a8f Mon Sep 17 00:00:00 2001
From: "Yann E. MORIN\"" <yann.morin.1998@anciens.enib.fr>
Date: Sat, 19 Jul 2008 12:15:17 +0000
Subject: Use POSIX constructs in the DUMA wrapper installed on the target.

 /trunk/scripts/build/debug/duma.in |   13    12     1     0 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/scripts/build/debug/duma.in b/scripts/build/debug/duma.in
index 7871100..00afd67 100644
--- a/scripts/build/debug/duma.in
+++ b/scripts/build/debug/duma.in
@@ -13,7 +13,18 @@ case "$1" in
     shift
     ;;
   -off)
-    LD_PRELOAD="${LD_PRELOAD//${LIBDUMA_SO}/}"
+    # We use a suposedly POSIX-compliant shell: /bin/sh
+    #  -> we can't use "${LD_PRELOAD//${LIBDUMA_SO}/}", it's not POSIX
+    # We don't know if sed will be present on the target
+    #  -> we can't use $(echo "${LD_PRELOAD}" |sed -r -e "s|${LIBDUMA_SO}||;")
+    # So, iterate through LD_PRELOAD, and keep only those libs that
+    # are not "${LIBDUMA_SO}"
+    old_LD_PRELOAD="${LD_PRELOAD}"
+    LD_PRELOAD=
+    for lib in ${old_LD_PRELOAD}; do
+      [ "${lib}" = "${LIBDUMA_SO}" ] || LD_PRELOAD="${LD_PRELOAD} ${lib}"
+    done
+    unset old_LD_PRELOAD
     shift
     ;;
   -show)
-- 
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