cd "src/modules/perl" && make
cc -I/tmp/mod_perl-2.0.3-for6.2/src/modules/perl -I/tmp/mod_perl-2.0.3-for6.2/xs
 -I/usr/local/apache2/include -I/usr/local/apache2/include -I/usr/local/include
  -I/usr/local/include/apache2 -DAPPLLIB_EXP="/usr/local/lib/perl5/5.10.1/BSDPAN"
   -DHAS_FPSETMASK -DHAS_FLOATINGPOINT_H -fno-strict-aliasing -pipe
    -fstack-protector -I/usr/local/include -I/usr/local/lib/perl5/5.10.1/mach/CORE
     -DMOD_PERL -DMP_COMPAT_1X -D_REENTRANT -D_THREAD_SAFE
      -DAP_HAVE_DESIGNATED_INITIALIZER -O1 -fno-strict-aliasing -pipe
       -march=nocona -DPIC -fPIC  -c mod_perl.c && mv mod_perl.o mod_perl.lo
In file included from /usr/local/apache2/include/httpd.h:43,
                 from modperl_apache_includes.h:27,
                 from mod_perl.h:20,
                 from mod_perl.c:17:
/usr/local/apache2/include/ap_config.h:260:1:
 warning: "AP_HAVE_DESIGNATED_INITIALIZER" redefined
<command-line>: warning: this is the location of the previous definition
mod_perl.c: In function 'modperl_shutdown':
mod_perl.c:62: error: 'my_perl' undeclared (first use in this function)
mod_perl.c:62: error: (Each undeclared identifier is reported only once
mod_perl.c:62: error: for each function it appears in.)
mod_perl.c: In function 'modperl_hook_post_config_last':
mod_perl.c:714: error: 'my_perl' undeclared (first use in this function)
mod_perl.c: In function 'modperl_child_exit':
mod_perl.c:810: error: 'my_perl' undeclared (first use in this function)
mod_perl.c: In function 'modperl_response_handler':
mod_perl.c:1032: error: 'my_perl' undeclared (first use in this function)
mod_perl.c: In function 'modperl_response_handler_cgi':
mod_perl.c:1070: error: 'my_perl' undeclared (first use in this function)
*** Error code 1

[pkg_addでインストールしたperl]
# perl -V
Summary of my perl5 (revision 5 version 10 subversion 1) configuration:
   
  Platform:
    osname=freebsd, osvers=7.3-release, archname=amd64-freebsd
    uname='freebsd freebsd.org 7.3-release freebsd 7.3-release 
    #0: wed feb 17 02:37:57 pst 2010 kris@freebsd.org:usrsrcsysmagickernelpath amd64 '
    config_args='-sde -Dprefix=/usr/local -Darchlib=/usr/local/lib/perl5/5.10.1/mach
     -Dprivlib=/usr/local/lib/perl5/5.10.1
      -Dman3dir=/usr/local/lib/perl5/5.10.1/perl/man/man3
      -Dman1dir=/usr/local/man/man1
       -Dsitearch=/usr/local/lib/perl5/site_perl/5.10.1/mach
       -Dsitelib=/usr/local/lib/perl5/site_perl/5.10.1 -Dscriptdir=/usr/local/bin
        -Dsiteman3dir=/usr/local/lib/perl5/5.10.1/man/man3
         -Dsiteman1dir=/usr/local/man/man1
         -Ui_malloc -Ui_iconv -Uinstallusrbinperl -Dcc=cc -Duseshrplib
          -Dinc_version_list=none
          -Dccflags=-DAPPLLIB_EXP="/usr/local/lib/perl5/5.10.1/BSDPAN"
           -Doptimize=-O2 -fno-strict-aliasing -pipe -Ud_dosuid -Ui_gdbm
            -Dusethreads=n -Dusemymalloc=n -Duse64bitint'
    hint=recommended, useposix=true, d_sigaction=define
    useithreads=undef, usemultiplicity=undef
    useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef
    use64bitint=define, use64bitall=define, uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='cc', ccflags ='-DAPPLLIB_EXP="/usr/local/lib/perl5/5.10.1/BSDPAN"
     -DHAS_FPSETMASK -DHAS_FLOATINGPOINT_H -fno-strict-aliasing -pipe
      -fstack-protector -I/usr/local/include',
    optimize='-O2 -fno-strict-aliasing -pipe',
    cppflags='-DAPPLLIB_EXP="/usr/local/lib/perl5/5.10.1/BSDPAN" -DHAS_FPSETMASK
     -DHAS_FLOATINGPOINT_H -fno-strict-aliasing -pipe -fstack-protector
      -I/usr/local/include' ccversion='', gccversion='4.2.1 20070719  [FreeBSD]',
       gccosandvers='' intsize=4, longsize=8, ptrsize=8, doublesize=8,
        byteorder=12345678 d_longlong=define, longlongsize=8, d_longdbl=define,
         longdblsize=16 ivtype='long', ivsize=8, nvtype='double', nvsize=8,
          Off_t='off_t', lseeksize=8 alignbytes=8, prototype=define
  Linker and Libraries:
    ld='cc', ldflags =' -Wl,-E  -fstack-protector -L/usr/local/lib'
    libpth=/usr/lib /usr/local/lib
    libs=-lm -lcrypt -lutil
    perllibs=-lm -lcrypt -lutil
    libc=, so=so, useshrplib=true, libperl=libperl.so
    gnulibc_version=''
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef,
     ccdlflags='  -Wl,-R/usr/local/lib/perl5/5.10.1/mach/CORE'
    cccdlflags='-DPIC -fPIC', lddlflags='-shared  -L/usr/local/lib
     -fstack-protector'


Characteristics of this binary (from libperl): 
  Compile-time options: PERL_DONT_CREATE_GVSV PERL_MALLOC_WRAP USE_64_BIT_ALL
                        USE_64_BIT_INT USE_LARGE_FILES USE_PERLIO
  Built under freebsd
  Compiled at Feb 17 2010 10:41:11
  @INC:
    /usr/local/lib/perl5/5.10.1/BSDPAN
    /usr/local/lib/perl5/site_perl/5.10.1/mach
    /usr/local/lib/perl5/site_perl/5.10.1
    /usr/local/lib/perl5/5.10.1/mach
    /usr/local/lib/perl5/5.10.1
    .
# 

cd /usr/ports/lang/perl5.10
make WITH_MULTIPLICITY=yes WITH_THREADS=yes WITH_PERL_64BITINT=yes install

================================================================
MULTIPLICITY : MULTIPLICITYというマクロ？がつかえる様にする
THREAD : インタプリタスレッドを使えるようにする
PERL_64BITINT : 32ビットi386)上で64ビット整数を使えるようにする
================================================================
USE_PERLはデフォルトで有効([X}の印が付く)になっています。

===>   Compressing manual pages for perl-threaded-5.10.1
===>   Registering installation for perl-threaded-5.10.1
===> SECURITY REPORT: 
      This port has installed the following files which may act as network
      servers and may therefore pose a remote security risk to the system.
/usr/local/lib/perl5/5.10.1/mach/CORE/libperl.so

      If there are vulnerabilities in these programs there may be a security
      risk to the system. FreeBSD makes no guarantee about the security of
      ports included in the Ports Collection. Please type 'make deinstall'
      to deinstall the port if this is a concern.

      For more information, and contact details about the security
      status of this software, see the following webpage: 
http://www.perl.org/

fetch http://perl.apache.org/dist/mod_perl-2.0.4.tar.gz
tar zxvf mod_perl-2.0.4.tar.gz
cd mod_perl-2.0.4/
perl Makefile.PL MP_APXS=/usr/local/apache2/bin/apxs MP_COMPAT_1X=0
make
make install

pkg_add ftp://ftp.freebsd.org/pub/FreeBSD/ports/i386/packages-7-stable/
Latest/p5-Parse-RecDescent.tbz
Fetching ftp://ftp.freebsd.org/pub/FreeBSD/ports/i386/packages-7-stable/
Latest/p5-Parse-RecDescent.tbz... Done.
pkg_add: warning: package 'p5-Parse-RecDescent-1.963.0' requires 'perl-5.10.1',
 but 'perl-threaded-5.10.1' is installed

cc -c  -I/tmp/mod_perl-2.0.4-for7.3/src/modules/perl -I/tmp/mod_perl-2.0.4-for7.3/xs
 -I/usr/local/apache2/include -I/usr/local/apache2/include -I/usr/local/include
  -I/usr/local/apache2/include  -DAPPLLIB_EXP="/usr/local/lib/perl5/5.10.1/BSDPAN"
   -DHAS_FPSETMASK -DHAS_FLOATINGPOINT_H -fno-strict-aliasing -pipe
    -fstack-protector -I/usr/local/include -DMOD_PERL -D_REENTRANT -D_THREAD_SAFE
     -DAP_HAVE_DESIGNATED_INITIALIZER -O -pipe -march=pentiumpro
         -DVERSION=\"0.009000\"  -DXS_VERSION=\"0.009000\" -DPIC
          -fPIC "-I/usr/local/lib/perl5/5.10.1/mach/CORE"
            -DMP_HAVE_APR_LIBS Base64.c
In file included from Base64.xs:24:
/tmp/mod_perl-2.0.4-for7.3/xs/modperl_xs_typedefs.h:67:
 error: expected '=', ',', ';', 'asm' or '__attribute__' before '*' token
*** Error code 1

Stop in /tmp/mod_perl-2.0.4-for7.3/WrapXS/APR/Base64.
*** Error code 1

Stop in /tmp/mod_perl-2.0.4-for7.3/WrapXS/APR.
*** Error code 1

Stop in /tmp/mod_perl-2.0.4-for7.3/WrapXS.
*** Error code 1

[修正前]
 typedef unsigned long apr_os_thread_t;
 typedef void * apr_thread_mutex_t;
 #endif 


[修正後]
 typedef unsigned long apr_os_thread_t;
 typedef void * apr_thread_mutex_t;
 typedef void * apr_thread_rwlock_t;  <== この行を追加する
 #endif 

--- lib/ModPerl/BuildMM.pm      (revision 648960)
+++ lib/ModPerl/BuildMM.pm      (working copy)
@@ -359,7 +359,7 @@

     $apr_config ||= $build->get_apr_config();

-    if ($path =~ m/(Thread|Global)Mutex/) {
+    if ($path =~ m/(Thread|Global)(Mutex|RWLock)/) {
         return unless $apr_config->{HAS_THREADS};
     }

fetch http://perl.apache.org/dist/mod_perl-2.0.4.tar.gz
tar zxvf mod_perl-2.0.4.tar.gz
cp BuildMM.pm.patch mod_perl-2.0.4/lib/ModPerl/
cd mod_perl-2.0.4/lib/ModPerl/
patch -p1 < BuildMM.pm.patch

すると下記の様なメッセージが出ます。
Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|--- lib/ModPerl/BuildMM.pm      (revision 648960)
|+++ lib/ModPerl/BuildMM.pm      (working copy)
--------------------------
File to patch: 

で、File to patch: と入力待ち状態になるので

BuildMM.pm

と入力して下さい。で、下記のメッセージが表示されたらＯＫです。
Patching file BuildMM.pm using Plan A...
Hunk #1 succeeded at 359.
done

で、あとは下記のコマンドを実行です。

perl Makefile.PL MP_APXS=/usr/local/apache2/bin/apxs MP_COMPAT_1X=0
make
make install

Fetching ftp://ftp.jp.freebsd.org/pub/FreeBSD/ports/i386/packages-7-stable/Latest/emacs.tbz...
tar: Damaged tar archive: Invalid argument
tar: Retrying...

(以下、同じメッセージが続きます・・・)

tar: Damaged tar archive: Invalid argument
tar: bzip2 decompression failed
tar: Error exit delayed from previous errors.
 Done.