Octave patch (pass compiler arguments to mkoctfile)

mkoctfile_pass_options_further.diff

diff --git a/src/mkoctfile.in b/src/mkoctfile.in
index 7a9e66f..5b28974 100644
--- a/src/mkoctfile.in
+++ b/src/mkoctfile.in
@@ -213,6 +213,10 @@ Options:
 
   -W...                   Pass flags to the compiler such as -Wa,OPTION.
 
+  -f..., -m...            Pass flags to the compiler, e.g. -ffast-math -march=native
+
+  -P:<OPTION>             Pass arbitrary <OPTION> to the compiler
+
   -Wl,...                 Pass flags to the linker such as -Wl,-rpath=...
 
   -M, --depend            Generate dependency files (.d) for C and C++
@@ -340,9 +344,12 @@ EOF
       incflags="$incflags -I."
       output_ext=".mex"
     ;;
-    -W*)
+    -[Wfm]*)
       pass_on_options="$pass_on_options $1"
     ;;
+    -P:*)
+      pass_on_options="$pass_on_options `echo $1 | $SED 's,-P:,,'`"
+    ;;
     *)
       echo "mkoctfile: unrecognized argument $1" 1>&2
       exit 1