From 3d6c03e4eaff6499df980de154ba220f0312a899 Mon Sep 17 00:00:00 2001
From: Nicolas Vigier <boklm@mageia.org>
Date: Wed, 23 Mar 2011 21:39:44 +0000
Subject: check if the list of .pc files is not null before running pkg-config
 on it

---
 pkgconfigdeps.sh | 34 ++++++++++++++++++++--------------
 1 file changed, 20 insertions(+), 14 deletions(-)

(limited to 'pkgconfigdeps.sh')

diff --git a/pkgconfigdeps.sh b/pkgconfigdeps.sh
index e7dba2c..74fcdd9 100755
--- a/pkgconfigdeps.sh
+++ b/pkgconfigdeps.sh
@@ -22,15 +22,18 @@ case $1 in
 	;;
     esac
     done
-	# Query the dependencies of the package.
-	PKG_CONFIG_PATH=$PKG_CONFIG_PATH $pkgconfig --print-errors --print-provides $pcfiles | while read n r v ; do
-	    # We have a dependency.  Make a note that we need the pkgconfig
-	    # tool for this package.
-	    test -z "$v" && test -n "$r" && echo "Error with pkgconfig($n)" >&2 && exit 1
-	    echo "pkgconfig($n)" "$r" "$v"
-	done
-	test ${PIPESTATUS[0]} -ne 0 && echo "$pkgconfig returned an error" >&2 && exit 1
-	# The dependency on the pkgconfig package itself.
+        if [ -n "$pcfile" ]
+	then
+	    # Query the dependencies of the package.
+	    PKG_CONFIG_PATH=$PKG_CONFIG_PATH $pkgconfig --print-errors --print-provides $pcfiles | while read n r v ; do
+		# We have a dependency.  Make a note that we need the pkgconfig
+		# tool for this package.
+		test -z "$v" && test -n "$r" && echo "Error with pkgconfig($n)" >&2 && exit 1
+		echo "pkgconfig($n)" "$r" "$v"
+	    done
+	    test ${PIPESTATUS[0]} -ne 0 && echo "$pkgconfig returned an error" >&2 && exit 1
+	    # The dependency on the pkgconfig package itself.
+	fi
     ;;
 -R|--requires)
     while read filename ; do
@@ -40,11 +43,14 @@ case $1 in
     PKG_CONFIG_PATH=$PKG_CONFIG_PATH:$(dirname ${filename})
     esac
     done
-    PKG_CONFIG_PATH=$PKG_CONFIG_PATH $pkgconfig --print-errors --print-requires ${pcfiles} | while read n r v ; do
-	    test -z "$v" && test -n "$r" && echo "Error with pkgconfig($n)" >&2 && exit 1
-	    echo "pkgconfig($n)" "$r" "$v"
-    done
-    test ${PIPESTATUS[0]} -ne 0 && echo "$pkgconfig returned an error" >&2 && exit 1
+    if [ -n "$pcfile" ]
+    then
+	PKG_CONFIG_PATH=$PKG_CONFIG_PATH $pkgconfig --print-errors --print-requires ${pcfiles} | while read n r v ; do
+		test -z "$v" && test -n "$r" && echo "Error with pkgconfig($n)" >&2 && exit 1
+		echo "pkgconfig($n)" "$r" "$v"
+	done
+	test ${PIPESTATUS[0]} -ne 0 && echo "$pkgconfig returned an error" >&2 && exit 1
+    fi
     ;;
 esac
 exit 0
-- 
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