build/pkgs/python3/spkg-build.in: Set rpath

Author: Matthias Koeppe

build/pkgs/python3/spkg-build.in

@@ -90,7 +90,18 @@ sdh_configure --enable-shared $PYTHON_CONFIGURE
 # we need to provide paths into $SAGE_LOCAL, so that setup.py finds
 # the libraries needed for the extension modules - in particular sqlite3.
 # (The search code there does not know about CPATH and LIBRARY_PATH.)
-sdh_make LDFLAGS="-L. -L$SAGE_LOCAL/lib $LDFLAGS" CPPFLAGS="-I$SAGE_LOCAL/include $CPPFLAGS"
+make_LDFLAGS="-L. -L$SAGE_LOCAL/lib $LDFLAGS"
+make_CPPFLAGS="-I$SAGE_LOCAL/include $CPPFLAGS"
+
+# Also, we need to add an rpath, like we do for SAGE_LOCAL in src/bin/sage-env.
+# SAGE_INST_LOCAL is the installation hierarchy for the current package
+# -- for python3, this is SAGE_VENV.
+make_LDFLAGS="-Wl,-rpath,$SAGE_INST_LOCAL/lib $make_LDFLAGS"
+if [ "$UNAME" = "Linux" ]; then
+    make_LDFLAGS="-Wl,-rpath-link,$SAGE_INST_LOCAL/lib $make_LDFLAGS"
+fi
+
+sdh_make LDFLAGS="$make_LDFLAGS" CPPFLAGS="$make_CPPFLAGS"
 
 if [ "$UNAME" = "Darwin" ]; then
     export DYLD_LIBRARY_PATH="."