allow to override prefix from command-line

[ygrek]

Here is the patch :

commit 83a7e1619465b987dc08cfcbd9335370fc7b1831 (HEAD, master)
Author: ygrek <ygrek@autistici.org>
Date:   Thu Sep 5 15:49:10 2013 +0800

    allow to override prefix from command-line

diff --git a/OMakefile b/OMakefile
index 4ea8dc5..568bb34 100644
--- a/OMakefile
+++ b/OMakefile
@@ -1,3 +1,11 @@
+
+prefix = /usr/local
+INSTALL = install
+RM = rm -f
+
+# allow to override the above variables from command line
+DefineCommandVars()
+
 USE_OCAMLFIND = true
 NATIVE_ENABLED = true
 BYTE_ENABLED = true
@@ -8,10 +16,6 @@ OCAMLFLAGS    = -bin-annot -w +a-4-6-9-27..29-32..99 -warn-error +a-4-6-7-9-18-2
 OCAMLOPTFLAGS = -g -inline 100
 OCAMLCFLAGS  += -g

-prefix = /usr/local
-INSTALL = install
-RM = rm -f
-
 OCAMLPACKS[] =
    camlp4
    extlib
@@ -50,7 +54,7 @@ install:

 .PHONY: uninstall
 uninstall:
-   $(RM) $(prefix)/extprotc$(EXE)
+   $(RM) $(prefix)/bin/extprotc$(EXE)
    ocamlfind remove extprot

 .PHONY: clean

[mfp]

Thanks, just applied it.