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Date: Wed, 29 Feb 2012 21:06:52 +0000 (GMT)
Reply-To: Christian Ferrari <camauz@yahoo.com>
To: "internals@lists.php.net" <internals@lists.php.net>
Cc: "jpauli@php.net" <jpauli@php.net>
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Subject: Re: [PHP-DEV] Newbie: issues developing a new extension
From: camauz@yahoo.com (Christian Ferrari)

>>  >>>>>=A0 =A0 > Dear all,=0A=0A>> =0A>>  >=0A>>  >>>=0A>>  >>>>>=A0 =A0 =
> I'm asking your help because I'm not =0A> able to=0A>>  > solve an=0A>>  =
>>=A0 issue=0A>>  >>>>=A0  probably=0A>>  >>>>>=A0 =A0 related to some fool=
ish mistake I have not yet =0A> discovered.=0A>>  >>>>>=A0 =A0 > I'm trying=
 to develop an experimental =0A> extension to=0A>>  >>=A0 interface LIXA=0A=
>>  >>>>>=A0 =A0 library (http:/lixa.sourceforge.net/).=0A>>  >>>>>=A0 =A0 =
>=0A>>  >>>>>=A0 =A0 > I have created the basic stuff (config.m4, =0A> lixa=
.c,=0A>>  > php_lixa.h=0A>>  >>=A0 and so=0A>>  >>>>=A0  on).=0A>>  >>>>>=
=A0 =A0 >=0A>>  >>>>>=A0 =A0 > If I use this sequence from the ext/lixa =0A=
> directory:=0A>>  >>>>>=A0 =A0 >=0A>>  >>>>>=A0 =A0 > /opt/php/bin/phpize=
=0A>>  >>>>>=A0 =A0 > ./configure --help=0A>>  >>>>>=A0 =A0 >=0A>>  >>>>>=
=A0 =A0 > I can see the lixa extension is available:=0A>>  >>>>>=A0 =A0 >=
=0A>>  >>>>>=A0 =A0 > [...]=0A>>  >>>>>=A0 =A0 > Optional Packages:=0A>>  >=
>>>>=A0 =A0 >=A0  --with-PACKAGE[=3DARG]=A0 =A0 use PACKAGE =0A> [ARG=3Dyes=
]=0A>>  >>>>>=A0 =A0 >=A0  --without-PACKAGE=A0 =A0 =A0  do not use PACKAGE=
 =0A> (same as=0A>>  >>>>=A0  --with-PACKAGE=3Dno)=0A>>  >>>>>=A0 =A0 >=A0 =
 --with-libdir=3DNAME=A0 =A0 =A0 Look for libraries =0A> in .../NAME=0A>>  =
>=0A>>  >>=A0 rather than=0A>>  >>>>>=A0 =A0 .../lib=0A>>  >>>>>=A0 =A0 >=
=A0  --with-php-config=3DPATH=A0 Path to php-config =0A> php-config=0A>>  >=
>>>>=A0 =A0 >=A0  --with-lixa=3DFILE=A0 =A0 =A0 =A0 Include LIXA =0A> suppo=
rt. File is=0A>>  > the=0A>>  >>=A0 path to=0A>>  >>>>>=A0 =A0 lixa-config=
=0A>>  >>>>>=A0 =A0 >=0A>>  >>>>>=A0 =A0 > [...]=0A>>  >>>>>=A0 =A0 >=0A>> =
 >>>>>=A0 =A0 > and I can compile with:=0A>>  >>>>>=A0 =A0 >=0A>>  >>>>>=A0=
 =A0 > ./configure =0A> --with-lixa=3D/opt/lixa/bin/lixa-config=0A>>  >>>>>=
=A0 =A0 --with-php-config=3D/opt/php/bin/php-config=0A>>  >>>>>=A0 =A0 >=0A=
>>  >>>>>=A0 =A0 > the build process runs as expected and the =0A> extensio=
n is=0A>>  >>=A0 available=0A>>  >>>>=A0  after=0A>>  >>>>>=A0 =A0 an addit=
ion to php.ini=0A>>  > (extension=3D[...]/ext/lixa/modules/lixa.so).=0A>>  =
>>>>>=0A>>  >>>>>=A0 =A0 Great, you are done. Why do you want to go any =0A=
> further than=0A>>  > this?=0A>>  >>=A0 You=0A>>  >>>>>=A0 =A0 built your =
extension and it is available from PHP =0A> exactly=0A>>  > like any=0A>>  =
>>=A0 pecl=0A>>  >>>>>=A0 =A0 extension.=0A>>  >>>>>=0A>>  >>>>=0A>>  >>>>=
=A0  and if you're using apache, reboot it and check your =0A> phpinfo()=0A=
>>  > page=0A>>  >>=A0 for=0A>>  >>>>=A0  your extension.=0A>>  >>>>=A0  if=
 you're connected up via the command line you can =0A> run=0A>>  > "php=0A>=
>  >>=A0 -m"=0A>>  >>>>=A0  to see if=0A>>  >>>>=A0  your modules exists.=
=0A>>  >>>>=0A>>  >>>>=0A>>  >>>>>=0A>>  >>>>>=A0 =A0 -Rasmus=0A>>  >>>>>=
=0A>>  >>>=0A>>  >>>=A0  Dear all,=0A>>  >>>=A0  I would like to see my ext=
ension as any other extension, =0A> like MySQL,=0A>>  >>=A0 PostgreSQL, Ora=
cle and so on because:=0A>>  >>>=A0  1. LIXA itself is useless without thos=
e resource managers=0A>>  >>>=A0  2. I need to patch other extensions to im=
plement the =0A> interfaces=0A>>  > between=0A>>  >>=A0 LIXA and MySQL/Post=
greSQL/Oracle.=0A>>  >>>=A0  What's the difference between an "internal" =
=0A> extension=0A>>  > (like=0A>>  >>>=A0  MySQL/PostgreSQL/Oracle) and an =
"external" =0A> extension as the=0A>>  > one I=0A>>  >>>=A0  produced?=0A>>=
  >>>=A0  Thanks in advance, your help is precious.=0A>>  >>=0A>>  >>=0A>> =
 >>=A0 The PHP source archive bundles several extensions under the ext/=0A>=
>  >>=A0 directory, these are the extensions are listed when you run=0A>>  =
>>=A0 ./configure --help=0A>>  >>=0A>>  >>=A0 I don't understand why you wa=
nt your extension to show up =0A> there, but=0A>>  >>=A0 to do so you have =
to place your extension in that folder and run=0A>>  >>=A0 ./buildconf --fo=
rce=0A>>  >>=A0 PHP will not automatically scan your filesystem for possibl=
e =0A> extension=0A>>  >>=A0 directories to list them under ./configure=0A>=
>  >>=A0 I'm sure you have seen, and used, http://pecl.php.net - these=0A>>=
  >>=A0 extensions don't show up when you build PHP.=0A>>  >>=0A>>  >>=A0 T=
he standard way to build "external" extensions however =0A> is to use=0A>> =
 >>=A0 pecl, or manually build them as shared modules (as you did =0A> firs=
t).=0A>>  >>=0A>>  >>=0A>>  >>=A0 -Hannes=0A>>  >>=0A>>  >=0A>>  > That's t=
he point: I tryed=0A>>  > ./buildconf --force=0A>>  > but it didn't include=
 my extension.=0A>>  >=0A>>  > This is an excerpt from my initial post:=0A>=
>  >=0A>>  >>=A0 If I use this sequence from the PHP root directory:=0A>>  =
>=0A>>  >>=A0 ./buildconf --force=0A>>  >>=A0 as described here:=0A>>  > ta=
lks.somabo.de/200510_zend_conf_php_extension_development.pdf=0A>>  >=0A>>  =
>>=A0 I cannot see "lixa" as an available option of my =0A> configure:=0A>>=
  >=0A>>  >>=A0 ./configure --help|grep lixa=0A>>  >>=A0 is empty.=0A>>  >=
=0A>>  >>=A0 If I try to build PHP anyway, I obtain:=0A>>  >=0A>>  >>=A0 ti=
ian@mojan:~/src/swig/php5.4-201202241630$ ./configure=0A>>  > --with-lixa=
=3D/opt/lixa/bin/lixa-config=0A>>  >>=A0 configure: WARNING: unrecognized o=
ptions: --with-lixa=0A>>  >=0A>>  > Do you have any idea how to debug why "=
buildconf --force" =0A> does not=0A>>  > pick-up my extension?=0A>> =0A> =
=0A> You should rm -f configure manually before invoking buildconf --force.=
 It=0A> wont overwrite configure by itself.=0A> =0A> Julien.P=0A> =0A=0ADea=
r Julien,=0Ayour suggestion is precious but unfortunately some more files m=
ust be deleted.=0AAfter a bit of hacking I've found out this working sequen=
ce:=0A=0Atiian@mojan:~/php5.4-201202241630$ rm configure autom4te.cache/*=
=0Atiian@mojan:~/php5.4-201202241630$ ./buildconf --force=0AForcing buildco=
nf=0Arebuilding configure=0Arebuilding main/php_config.h.in=0Atiian@mojan:~=
/php5.4-201202241630$ ./configure --help|grep lixa=0A=A0 --with-lixa=3DFILE=
=A0=A0=A0=A0=A0=A0=A0 Include LIXA support. File is the path to lixa-config=
 program=0A=0AThanks again for your needful help!=0ARegards=0ACh.F.=0A