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List:       mingw-users
Subject:    Re: [Mingw-users] perplexed -- still building pkg-config
From:       "david" <david () firehome ! de>
Date:       2011-02-28 20:06:54
Message-ID: 4D6C005E.7070104 () firehome ! de
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Hi,

just compiled pkg-config 0.25 with mingw.
Compiled out of the box (no special config flags needed) and works like 
a charm.
I used glib 2.28.

Best regards,

David
> 
> Hello le,
> 
> > Greetings again --
> > well no one responded to my last mail so I have continued to sift through
> > the output of make, and now I am running into a different problem:
> > 
> > Instead of failing to find glib.h like it used to do, it is encountering
> > undefined symbols that should have been defined in system header files. For
> > example, SIGCHLD and all the other signals, as well as I/O constants.
> 1) LRN explained the problem. You need to define certain constants on the
> command line.
> 
> > This explains why i put "-DNATIVE_WIN32" into  CFLAGS="-D_POSIX
> > -DG_OS_WIN32 -DNATIVE_WIN32 -O3 -s -mms-bitfields -mtune=generic" that
> > i've mentioned in my previous message is essential.
> 
> 
> You *must* configure like this:
> CFLAGS="-DG_OS_WIN32 -DNATIVE_WIN32 -O3 -s -mms-bitfields -mtune=generic" \
> ../configure --prefix=/mingw --disable-indirect-deps \
> 
> [and-any-other-suggested-flags]
> 
> Various sections of the code look something like this:
> 
> #ifdef NATIVE_WIN32
> /* Use Windows API */
> #else
> /* Use Linux or POSIX API */
> #endif
> 
> Therefore, if you define NATIVE_WIN32 as you should, then Linux code
> will not be compiled.
> 
> If you understood this, and what you meant was that after changing
> your configure command to the suggested one, symbols are not being
> found, this could be caused by failing to run 'make distclean'
> before configuring again. If you want to run configure after making
> changes to the command line, you should run 'make distclean' first
> in order to delete all files produced by configure and make.
> 
> > Now I realize windows doesn't use the same mechanisms as linux for handling
> > signals, so this code should probably be conditionally compiled
> And it is, or will be if you #define NATIVE_WIN32 and G_OS_WIN32.
> 
> 
> > I am finding I get the identical results whether I configure
> > with --disable-indirect-deps or not.
> > I don't know what this option does or why it was suggested that I use it.
> Neither do I, but evidently it is not what you need to turn on
> conditional compilation. Please don't configure without it, because
> when you get past the conditional compilation problem, you will no
> doubt run into the problem that --disable-indirect-deps fixes.
> 
> If you really want to know what this flag does, run
> configure --help.
> 
> 
> > Meanwhile, I really need pkg-config for what I'm working on and am hoping
> > someone can point out anything that might make this build script work.
> > 
> I had suggested the 32-bit pre-built pkg-config, which works just fine on
> my 64-bit Vista Home Premium SP2. Did you try it?
> 
> Regards,
> Alias John Brown.
> 		 	   		
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