mkoctfile: Support spaces in output path of linker step.

* src/mkoctfile.in.cc (main): Quote argument after "-o" in linker step.
* etc/NEWS.10.md: Add note about change.

Author: mmuetzel

etc/NEWS.10.md

@@ -32,6 +32,7 @@ Summary of bugs fixed for version 10.2.0 (tbd):
 - `findobj`: Do not match empty tags with `[]` (bug #67048).
 - Check for undefined output when indexing function output (bug #67111).
 - `perms`: Fix buffer overflow and crash; minor code cleanup (bug #67115).
+- `mkoctfile`: Support spaces in output path of linker step.
 
 
 ### GUI

src/mkoctfile.in.cc

@@ -1396,10 +1396,10 @@ main (int argc, char **sys_argv)
 
       std::string cmd
         = (vars["CXXLD"] + ' ' + vars["ALL_CXXFLAGS"] + ' '
-           + pass_on_options + " -o " + octfile + ' ' + objfiles + ' '
-           + libfiles + ' ' + ldflags + ' ' + vars["DL_LDFLAGS"] + ' '
-           + vars["LDFLAGS"] + ' ' + octave_libs + ' '
-           + vars["OCT_LINK_OPTS"]);
+           + pass_on_options + " -o " + quote_path (octfile) + ' '
+           + objfiles + ' ' + libfiles + ' ' + ldflags + ' '
+           + vars["DL_LDFLAGS"] + ' ' + vars["LDFLAGS"] + ' '
+           + octave_libs + ' ' + vars["OCT_LINK_OPTS"]);
 
       if (! creating_mex_file)
         cmd += ' ' + vars["OCT_LINK_DEPS"];