pkgs/sage-conf/sage_conf.py.in (SAGE_SPKG_WHEELS): Update so it works if SAGE_VENV != SAGE_LOCAL

Author: Matthias Koeppe

pkgs/sage-conf/sage_conf.py.in

@@ -44,7 +44,9 @@ THREEJS_DIR = SAGE_LOCAL + "/share/threejs-sage"
 OPENMP_CFLAGS = "@OPENMP_CFLAGS@"
 OPENMP_CXXFLAGS = "@OPENMP_CXXFLAGS@"
 
-SAGE_SPKG_WHEELS = "@prefix@/var/lib/sage/wheels"
+# Installation location of wheels. This is determined at configuration time
+# and does not depend on the installation location of sage-conf.
+SAGE_SPKG_WHEELS = "@SAGE_VENV@".replace('${SAGE_LOCAL}', SAGE_LOCAL) + "/var/lib/sage/wheels"
 
 # Entry point 'sage-config'.  It does not depend on any packages.