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camlp4 doesn't handle "-I +directory" notation for include directories #4855

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vicuna opened this issue Sep 2, 2009 · 2 comments

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commented Sep 2, 2009

Original bug ID: 4855
Reporter: Dmitry Grebeniuk
Assigned to: @bobzhang
Status: closed (set by @xavierleroy on 2015-12-11T18:21:11Z)
Resolution: fixed
Priority: normal
Severity: minor
Version: 3.11.1
Target version: 4.01.0+dev
Category: -for Camlp4 use https://github.com/ocaml/camlp4/issues
Monitored by: @ygrek

Bug description

I'm using a syntax extension that installs to ocamlc -where/dir.
I've tried to use it with

$ camlp4 ... -I +dir pa_someext.cmo ...

but with no success:

Camlp4: Uncaught exception: DynLoader.Error ("pa_someext.cmo", "file not found in path")

However, ocamlc/ocamlopt does handle this correctly:

$ ocamlc -I +dir pa_someext.cmo -o somebin

shows to me that pa_someext.cmo is found and processed.

Looking at camlp4 sources I've figured out why camlp4 doesn't handle +directory notation: function "include_dir" in "$ocamlsources/camlp4/Camlp4/Struct/DynLoader.ml" doesn't have any special processing of "+directory" syntax.

IMHO every ocaml-related tool (toplevel, compiler, preprocessor) should have the same semantics for -I option.

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commented Jul 30, 2012

Comment author: furuse

I've attached a patch to fix this.

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commented Jul 28, 2013

Comment author: @bobzhang

fixed in revision 13940.
A bit difference is +dir is related to 'camlp4 -where' instead of 'ocamlc -where'

@vicuna vicuna closed this Dec 11, 2015

@vicuna vicuna added the camlp4 label Mar 14, 2019

@vicuna vicuna added this to the 4.01.0 milestone Mar 14, 2019

@vicuna vicuna added the bug label Mar 20, 2019

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