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From Jeff Trawick <traw...@gmail.com>
Subject Re: Status of MinGW (httpd)
Date Thu, 14 Apr 2011 18:55:26 GMT
On Thu, Apr 14, 2011 at 2:47 PM, William A. Rowe Jr.
<wrowe@rowe-clan.net> wrote:
> On 4/14/2011 9:45 AM, Jeff Trawick wrote:
>> I know others have played on MinGW before, but I don't know how long
>> ago or what was attempted.  Here are my observations:
>>
>> Trunk:
>>
>> I've been building/running this with shared library builds of apr trunk.
>>
>> * Only statically linked modules work AFAIK.
>
> Something interesting is going on with apr_dso_ here... does depends.exe
> shed any insight?  (Comparing win32 to mingw build, that is).
>
>> * If you build any of the modules that have their own
>> foo_DECLARE_EXPORT logic you need to add foo_DECLARE_EXPORT to
>> CPPFLAGS (kludge).
>
> That would be kludged in the config.m4 magic, we simply need to add
> this -D'efine to the appropriate

I haven't looked at exactly what it takes to get the right
foo_DECLARE_EXPORT in all the right places (and only there), and not
leaking to apxs builds.

>
>> * I haven't tried with many different modules, especially not with
>> those which require extra third-party libraries (OpenSSL, Lua, etc.). :)
>> * There's a trunk-specific problem linking to PCRE because the PCRE
>> libs are specified within LDFLAGS; I don't have a fix for this yet,
>> and use a hack to relink it with "-L/path/to/pcre -lpcre" moved to a
>> later point in the command.
>
> Interesting (an alternate expression for 'frustrating' :)

This simple patch works for me...  I just need to test on a couple of
other platforms (rjung mentioned at the time that the prior change
fixed an issue on OS X).

Index: configure.in
===================================================================
--- configure.in        (revision 1092430)
+++ configure.in        (working copy)
@@ -204,10 +204,8 @@
   AC_MSG_ERROR([pcre-config for libpcre not found. PCRE is required
and available from http://pcre.org/])
 fi
 APACHE_SUBST(PCRE_LIBS)
+APR_ADDTO(AP_LIBS, [\$(PCRE_LIBS)])

-dnl Add PCRE_LIBS to HTTPD_LDFLAGS
-APR_ADDTO(HTTPD_LDFLAGS, [\$(PCRE_LIBS)])
-
 echo $ac_n "${nl}Configuring Apache httpd ...${nl}"

 dnl If the source dir is not equal to the build dir,

> All of your experiments have been on Windows mingw/msys toolchain, right?
> I want to take the revised apr/-util/httpd code once through the fedora 14
> mingw toolchain, just to see if anything interesting pops up.  I don't
> really care if the end result works under Wine, though :)

That would be cool; I'm sure the build cycle is a lot faster.  (But
you wouldn't believe how many meetings have been more productive
lately since I can tweak something in httpd, kick off a complete
build, and see that something gets better amidst all the jabbering.)

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