From c25e25596a50db3b77bd3b2d04fd8251177be6fb Mon Sep 17 00:00:00 2001
From: Dennis Klein <d.klein@gsi.de>
Date: Wed, 26 May 2021 20:59:09 +0200
Subject: [PATCH] Examples: Adapt to system-packaged DDS

Distribution policies forbid installation of environment scripts at the
install prefix. So, e.g. in the Fedora DDS package the DDS_env.sh is
installed to /usr/bin and available via $PATH.
---
 examples/dds/fairmq-start-ex-dds.sh.in          | 7 ++++++-
 examples/n-m/fairmq-start-ex-n-m-dds.sh.in      | 7 ++++++-
 examples/n-m/fairmq-start-ex-n-m-pair-dds.sh.in | 7 ++++++-
 examples/qc/fairmq-start-ex-qc.sh.in            | 8 +++++++-
 4 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/examples/dds/fairmq-start-ex-dds.sh.in b/examples/dds/fairmq-start-ex-dds.sh.in
index 99a4f72f..dd3b7d2f 100755
--- a/examples/dds/fairmq-start-ex-dds.sh.in
+++ b/examples/dds/fairmq-start-ex-dds.sh.in
@@ -18,7 +18,12 @@ cleanup() {
   echo "CLEANUP PERFORMED"
 }
 
-source @DDS_INSTALL_PREFIX@/DDS_env.sh
+if [[ -e "@DDS_INSTALL_PREFIX@/DDS_env.sh" ]]; then
+  source @DDS_INSTALL_PREFIX@/DDS_env.sh
+elif command -v DDS_env.sh &> /dev/null; then
+  source DDS_env.sh
+fi
+
 export PATH=@BIN_DIR@:$PATH
 
 plugin=${1:-localhost}
diff --git a/examples/n-m/fairmq-start-ex-n-m-dds.sh.in b/examples/n-m/fairmq-start-ex-n-m-dds.sh.in
index f6e2998a..95a09e61 100755
--- a/examples/n-m/fairmq-start-ex-n-m-dds.sh.in
+++ b/examples/n-m/fairmq-start-ex-n-m-dds.sh.in
@@ -15,7 +15,12 @@ cleanup() {
   echo "CLEANUP PERFORMED"
 }
 
-source @DDS_INSTALL_PREFIX@/DDS_env.sh
+if [[ -e "@DDS_INSTALL_PREFIX@/DDS_env.sh" ]]; then
+  source @DDS_INSTALL_PREFIX@/DDS_env.sh
+elif command -v DDS_env.sh &> /dev/null; then
+  source DDS_env.sh
+fi
+
 export PATH=@BIN_DIR@:$PATH
 
 exec 5>&1
diff --git a/examples/n-m/fairmq-start-ex-n-m-pair-dds.sh.in b/examples/n-m/fairmq-start-ex-n-m-pair-dds.sh.in
index a65e3273..52de25e7 100755
--- a/examples/n-m/fairmq-start-ex-n-m-pair-dds.sh.in
+++ b/examples/n-m/fairmq-start-ex-n-m-pair-dds.sh.in
@@ -15,7 +15,12 @@ cleanup() {
   echo "CLEANUP PERFORMED"
 }
 
-source @DDS_INSTALL_PREFIX@/DDS_env.sh
+if [[ -e "@DDS_INSTALL_PREFIX@/DDS_env.sh" ]]; then
+  source @DDS_INSTALL_PREFIX@/DDS_env.sh
+elif command -v DDS_env.sh &> /dev/null; then
+  source DDS_env.sh
+fi
+
 export PATH=@BIN_DIR@:$PATH
 
 exec 5>&1
diff --git a/examples/qc/fairmq-start-ex-qc.sh.in b/examples/qc/fairmq-start-ex-qc.sh.in
index 9e6c7031..b253ddfe 100755
--- a/examples/qc/fairmq-start-ex-qc.sh.in
+++ b/examples/qc/fairmq-start-ex-qc.sh.in
@@ -17,7 +17,13 @@ cleanup() {
   echo "CLEANUP PERFORMED"
 }
 
-source @DDS_INSTALL_PREFIX@/DDS_env.sh
+
+if [[ -e "@DDS_INSTALL_PREFIX@/DDS_env.sh" ]]; then
+  source @DDS_INSTALL_PREFIX@/DDS_env.sh
+elif command -v DDS_env.sh &> /dev/null; then
+  source DDS_env.sh
+fi
+
 export PATH=@BIN_DIR@:$PATH
 
 exec 5>&1