From 7e95c5893a231597917784d2feef554165908b79 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Wed, 21 Aug 2019 09:31:15 +0000
Subject: build system: pkgconf.sh: properly handle empty prefix variable.

---
 sofort/tools/pkgconf.sh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/sofort/tools/pkgconf.sh b/sofort/tools/pkgconf.sh
index 614fdec..392647a 100755
--- a/sofort/tools/pkgconf.sh
+++ b/sofort/tools/pkgconf.sh
@@ -20,6 +20,10 @@ else
 	prefix=$(dirname "$PKGCONF_INCLUDEDIR")
 	base=$(basename "$PKGCONF_INCLUDEDIR")
 
+	if [ "$prefix" = '/' ]; then
+		prefix=
+	fi
+
 	if [ "$prefix/$base" = "$PKGCONF_PREFIX/$base" ]; then
 		pkgconf_includedir='${prefix}/'"${base}"
 		pkgconf_cflags='-I${includedir}'
@@ -37,6 +41,10 @@ else
 	prefix=$(dirname "$PKGCONF_LIBDIR")
 	base=$(basename "$PKGCONF_LIBDIR")
 
+	if [ "$prefix" = '/' ]; then
+		prefix=
+	fi
+
 	if [ "$prefix/$base" = "$PKGCONF_EXEC_PREFIX/$base" ]; then
 		pkgconf_libdir='${exec_prefix}/'"${base}"
 	else
-- 
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