Index: lib-src/libsoxr/configure
===================================================================
--- lib-src/libsoxr/configure	(revision 13509)
+++ lib-src/libsoxr/configure	(working copy)
@@ -10,4 +10,8 @@
 
 # Autotools options should not be passed to this script.
 
-cmake -DBUILD_SHARED_LIBS=OFF -DWITH_OPENMP=OFF .
+srcdir="$@"
+srcdir="${srcdir#*--srcdir=}"
+srcdir="./${srcdir/ */}"
+
+cmake -DBUILD_SHARED_LIBS=OFF -DWITH_OPENMP=OFF "${srcdir}"