ID:               48853
 Comment by:       leonard-php-bugs at ottolander dot nl
 Reported By:      leonard-php-bugs at ottolander dot nl
 Status:           Feedback
 Bug Type:         Compile Failure
 Operating System: CentOS-4
 PHP Version:      5.2CVS-2009-07-08 (CVS)
 New Comment:

As I said, I'm not using a --with- or --without-pcre option. The other
options seem not very relevant in this context but I'll paste the line
from the used rpm spec file here. %configure translates to configure ;)

%configure \
        --cache-file=../config.cache \
        --with-libdir=%{_lib} \
        --with-config-file-path=%{_sysconfdir} \
        --with-config-file-scan-dir=%{_sysconfdir}/php.d \
        --disable-debug \
        --with-pic \
        --disable-rpath \
        --without-pear \
        --with-bz2 \
        --with-exec-dir=%{_bindir} \
        --with-freetype-dir=%{_prefix} \
        --with-png-dir=%{_prefix} \
        --enable-gd-native-ttf \
        --without-gdbm \
        --with-gettext \
        --with-gmp \
        --with-iconv \
        --with-jpeg-dir=%{_prefix} \
        --with-openssl \
        --with-zlib \
        --with-layout=GNU \
        --enable-exif \
        --enable-ftp \
        --enable-magic-quotes \
        --enable-sockets \
        --enable-sysvsem --enable-sysvshm --enable-sysvmsg \
        --with-kerberos \
        --enable-ucd-snmp-hack \
        --enable-shmop \
        --enable-calendar \
        --without-mime-magic \
        --without-sqlite \
        --with-libxml-dir=%{_prefix} \
        --enable-xml \
        --with-system-tzdata \
        $* 

I'd say, just open ext/pcre/config0.m4 and see there's no
PHP_ADD_INCLUDE inside the second (nested) if that causes httpd.h to be
unable to locate pcreposix.h if no pcre headers are installed on the
system.

If there is already a local copy of the pcre headers installed the
-I/usr/include will cause the build to still find a (possible incorrect)
version of the headers, and it succeeds (if the versions are close
enough).

On my system these headers aren't available as on CentOS-4 they are
version 4.5, so I removed them. This is an unusual situation, which is
probably why nobody noticed this issue before (the local headers are
probably available on most systems because builds like apache depend on
them).


Previous Comments:
------------------------------------------------------------------------

[2009-07-08 20:37:17] j...@php.net

And your configure line is..?

------------------------------------------------------------------------

[2009-07-08 14:17:45] leonard-php-bugs at ottolander dot nl

Description:
------------
Building 5.2.9 on CentOS-4, although later versions until CVS today are
affected. The OS is not really relevant, just the reason there are no
unbundled headers available as there's a version mismatch with the
bundled headers.

Using the bundled pcre library by not supplying any pcre configure
options. When the unbundled (upgraded/matching) headers are available on
the system the build succeeds. However, if no unbundled headers are
available httpd.h cannot find the bundled pcreposix.h (and other
headers).

This is *not* an apache issue, the issue is a missing include path in
the build.

If you compare ext/pcre/config0.m4 an include path is provided in case
of an external pcre (although on CentOS it will be found in /usr/include
no matter if a path is specifically provided):

if test "$PHP_PCRE_REGEX" != "no"; then
  if test "$PHP_PCRE_REGEX" = "yes"; then
... (no PHP_ADD_INCLUDE here)
  else
...
    PHP_ADD_INCLUDE($PCRE_INCDIR)
...
  fi

Fix with this patch which provides the include path (ignore the line
wraps, it's just a single line addition):
--- php-5.2.9/ext/pcre/config0.m4.000   2008-12-29 16:27:11.000000000
+0100
+++ php-5.2.9/ext/pcre/config0.m4       2009-07-08 13:27:11.000000000 +0200
@@ -13,6 +13,7 @@ if test "$PHP_PCRE_REGEX" != "no"; then
   if test "$PHP_PCRE_REGEX" = "yes"; then
     PHP_NEW_EXTENSION(pcre, pcrelib/pcre_chartables.c
pcrelib/pcre_ucd.c pcrelib/pcre_compile.c pcrelib/pcre_config.c
pcrelib/pcre_exec.c pcrelib/pcre_fullinfo.c pcrelib/pcre_get.c
pcrelib/pcre_globals.c pcrelib/pcre_info.c pcrelib/pcre_maketables.c
pcrelib/pcre_newline.c pcrelib/pcre_ord2utf8.c pcrelib/pcre_refcount.c
pcrelib/pcre_study.c pcrelib/pcre_tables.c pcrelib/pcre_try_flipped.c
pcrelib/pcre_valid_utf8.c pcrelib/pcre_version.c pcrelib/pcre_xclass.c
php_pcre.c, $ext_shared,,-...@ext_srcdir@/pcrelib)
     PHP_ADD_BUILD_DIR($ext_builddir/pcrelib)
+    PHP_ADD_INCLUDE([$ext_srcdir/pcrelib])
     PHP_INSTALL_HEADERS([ext/pcre], [php_pcre.h pcrelib/])
     AC_DEFINE(HAVE_BUNDLED_PCRE, 1, [ ])
   else


Reproduce code:
---------------
Make sure you REMOVE any unbundled pcre headers from the system.
/usr/include is in the include path and thus the necessary unbundled
headers will be found so you wont see the build fail.

Configure without any pcre related options to use the bundled version.


Expected result:
----------------
Headers found, build succeeds. It does with the patch.

Actual result:
--------------
/bin/sh /usr/src/redhat/BUILD/php-5.2.9/build-apache/libtool --silent
--preserve-dup-deps --mode=compile gcc  -I/usr/include/httpd  -DLINUX=2
-D_REENTRANT -D_GNU_SOURCE -I/usr/include/apr-0   -I/usr/include/apr-0 
-Isapi/apache2handler/
-I/usr/src/redhat/BUILD/php-5.2.9/sapi/apache2handler/ -DPHP_ATOM_INC
-I/usr/src/redhat/BUILD/php-5.2.9/build-apache/include
-I/usr/src/redhat/BUILD/php-5.2.9/build-apache/main
-I/usr/src/redhat/BUILD/php-5.2.9 -I/usr/include/libxml2
-I/usr/kerberos/include
-I/usr/src/redhat/BUILD/php-5.2.9/build-apache/ext/date/lib
-I/usr/src/redhat/BUILD/php-5.2.9/ext/date/lib
-I/usr/src/redhat/BUILD/php-5.2.9/build-apache/TSRM
-I/usr/src/redhat/BUILD/php-5.2.9/build-apache/Zend
-I/usr/src/redhat/BUILD/php-5.2.9/main
-I/usr/src/redhat/BUILD/php-5.2.9/Zend
-I/usr/src/redhat/BUILD/php-5.2.9/TSRM
-I/usr/src/redhat/BUILD/php-5.2.9/build-apache/    -I/usr/include -O2 -g
-pipe -m32 -march=i386 -mtune=pentium4 -fno-strict-aliasing  -prefer-pic
-c /usr/src/redhat/BUILD/php-5.2.9/sapi/apache2handler/mod_php5.c -o
sapi/apache2handler/mod_php5.lo 
In file included from
/usr/src/redhat/BUILD/php-5.2.9/sapi/apache2handler/php_apache.h:24,
                 from
/usr/src/redhat/BUILD/php-5.2.9/sapi/apache2handler/mod_php5.c:26:
/usr/include/httpd/httpd.h:43:23: pcreposix.h: No such file or
directory
make: *** [sapi/apache2handler/mod_php5.lo] Error 1



------------------------------------------------------------------------


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