X-Recipient: archive-cygwin@delorie.com X-Spam-Check-By: sourceware.org From: Barry Kelly To: rodmedina@cantv.net Cc: cygwin@cygwin.com Subject: Re: option of g++ Date: Tue, 09 Sep 2008 09:12:35 +0100 Message-ID: References: <380-220089298424106@cantv.net> In-Reply-To: <380-220089298424106@cantv.net> X-Mailer: Forte Agent 4.2/32.1117 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-IsSubscribed: yes Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by delorie.com id m898DZq3028245 Rodrigo Medina wrote: > Hi, > Can anybody tell me what the g++ option > -DU_STATIC_IMPLEMENTATION DOES? -D instructs the preprocessor (cpp, which is automatically invoked by g++) to define a symbol; the appended text is the symbol that gets defined. The meaning of the symbol depends on the source code you are compiling. Typically, preprocessor symbols are used to enable or disable features or modes of a program or library at compilation time (i.e. the option isn't configurable at run time). You need to either look in the documentation for the source package you are compiling, or failing that grep the source for U_STATIC_IMPLEMENTATION and try to discover from the source what it is doing. E.g.: grep -r U_STATIC_IMPLEMENTATION . in the source base directory. -- Barry -- http://barrkel.blogspot.com/ -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/