From: grev <grev>
Date: Wed, 16 Apr 2008 17:39:07 +0000 (+0000)
Subject: b=15348
X-Git-Tag: v1_7_0_51~42
X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=commitdiff_plain;h=e3b20f6d05337b7310266bad847777d3c8f4e547;ds=sidebyside

b=15348
i=Adilger
check if gnuplot supports png
---

diff --git a/lustre-iokit/sgpdd-survey/plot-sgpdd b/lustre-iokit/sgpdd-survey/plot-sgpdd
index f66862a..741428a 100755
--- a/lustre-iokit/sgpdd-survey/plot-sgpdd
+++ b/lustre-iokit/sgpdd-survey/plot-sgpdd
@@ -31,6 +31,11 @@ sub usage()
 # check whether gnuplot exists?
 system ("which gnuplot > /dev/null") == 0 or die "gnuplot does not exist, please install it and try again.\n";
 
+# check whether gnuplot supports png
+$pngsupport = "ldd `which gnuplot` | grep -q libpng";
+system ("$pngsupport") == 0 or die "gnuplot installed does not support png.
+	Please install gnuplot to support png and try again.\n"; 
+
 my @GraphTitle;
 
 #Subroutine to write .scr file that further used by gnuplot to plot the graph.