[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [O] Org Babel C/C++
From: |
Michael Hannon |
Subject: |
Re: [O] Org Babel C/C++ |
Date: |
Wed, 28 Mar 2012 18:34:28 -0700 (PDT) |
On Wednesday, March 28, 2012 at 4:01 PM Daimrod wrote:
> Eric Schulte <address@hidden> writes:
>
>> Applied, Thanks!
>>
>> Daimrod <address@hidden> writes:
>>
>>> Hi,
>>>
>>> I've made a small patch to ob-C.el so it now includes the current
>>> directory to the list of directories to be searched for header files.
>>> Without this, I cannot include a local header file because the
>>> compilation happens in /tmp and thus gcc or g++ doesn't search for
>>> header files in the directory I currently work.
>>>
>>> diff --git a/lisp/ob-C.el b/lisp/ob-C.el
>>> index f1525aa..4f33fc4 100644
>>> --- a/lisp/ob-C.el
>>> +++ b/lisp/ob-C.el
>>> @@ -96,15 +96,14 @@ or `org-babel-execute:C++'."
>>> (progn
>>> (with-temp-file tmp-src-file (insert full-body))
>>> (org-babel-eval
>>> - (format "%s -o %s %s %s -I
> \"%s\""
>>> + (format "%s -o %s %s %s"
>>> (cond
>>> ((equal org-babel-c-variant 'c)
> org-babel-C-compiler)
>>> ((equal org-babel-c-variant 'cpp)
> org-babel-C++-compiler))
>>> (org-babel-process-file-name tmp-bin-file)
>>> (mapconcat 'identity
>>> (if (listp flags) flags (list flags)) " ")
>>> - (org-babel-process-file-name tmp-src-file)
>>> - (file-name-directory (expand-file-name
> (buffer-file-name)))) ""))))
>>> + (org-babel-process-file-name tmp-src-file))
> ""))))
>>> ((lambda (results)
>>> (org-babel-reassemble-table
>>> (if (member "vector" (cdr (assoc :result-params
> params)))
>
> Hum, I'm quite embarrassed, this doesn't work when the block is executed
> during an export. I didn't track it down yet, but (buffer-file-name)
> returns nil during the export probably because the buffer changes.
>
> A workaround would be to use the :flags header argument though it's a
> bit tedious because it doesn't seem possible to eval elisp during the
> export.
>
> i.e.
>
> #+BEGIN_SRC cpp :flags -I (file-name-directory (buffer-file-name))
> ...
> #+END_SRC
>
I ran into this problem a few months ago. I don't have the elisp skills to
patch Org mode, but I found something that worked for me:
http://article.gmane.org/gmane.emacs.orgmode/49356/
-- Mike