Andrew has developed the following patch which allows Perl 5.05 to
compile plperl. I have applied the patch because it is causing compile
failures for testers.
---------------------------------------------------------------------------
Andrew Dunstan wrote:
>
> Ok. It's impossible for me to fix this by remote control - I need access
> to some box with one of these old versions of perl so I can come up with
> a clean solution.
>
> Or did you revert the change that put "#include ppport.h" in SPI.xs?
>
> cheers
>
> andrew
>
>
> Bruce Momjian wrote:
>
> >Andrew Dunstan wrote:
> >
> >
> >>That is *intensely* annoying. What on earth are these function bodies
> >>doing in a .h file anyway? (Remember, I just used the standard utility
> >>to generate the file).
> >>
> >>Anyway, here is a version with all that stuff cut out - I don't believe
> >>we need any of it. Does this improve things?
> >>
> >>
> >
> >Nope. I get this failure:
> >
> > gmake[4]: Leaving directory
> > `/usr/var/local/src/gen/pgsql/CURRENT/pgsql/src/pl/tcl/modules'
> > gmake[3]: Leaving directory
> > `/usr/var/local/src/gen/pgsql/CURRENT/pgsql/src/pl/tcl'
> > gmake[3]: Entering directory
> > `/usr/var/local/src/gen/pgsql/CURRENT/pgsql/src/pl/plperl'
> > gcc -O2 -fno-strict-aliasing -O1 -Wpointer-arith -Wcast-align -fpic -I.
> > -I/usr/libdata/perl5/5.00503/i386-bsdos/CORE -I../../../src/include
> > -I/usr/local/include/readline -I/usr/contrib/include -c -o plperl.o plperl.c
> > gcc -O2 -fno-strict-aliasing -O1 -Wpointer-arith -Wcast-align -fpic -I.
> > -I/usr/libdata/perl5/5.00503/i386-bsdos/CORE -I../../../src/include
> > -I/usr/local/include/readline -I/usr/contrib/include -c -o spi_internal.o
> > spi_internal.c
> > /usr/bin/perl /usr/libdata/perl5/5.00503/ExtUtils/xsubpp -typemap
> > /usr/libdata/perl5/5.00503/ExtUtils/typemap SPI.xs >SPI.c
> > gcc -O2 -fno-strict-aliasing -O1 -Wpointer-arith -Wcast-align -fpic -I.
> > -I/usr/libdata/perl5/5.00503/i386-bsdos/CORE -I../../../src/include
> > -I/usr/local/include/readline -I/usr/contrib/include -c -o SPI.o SPI.c
> > SPI.xs: In function `XS__spi_exec_query':
> > SPI.xs:51: `aTHX_' undeclared (first use in this function)
> > SPI.xs:51: (Each undeclared identifier is reported only once
> > SPI.xs:51: for each function it appears in.)
> > SPI.xs:51: syntax error before string constant
> > gmake[3]: *** [SPI.o] Error 1
> > gmake[3]: Leaving directory
> > `/usr/var/local/src/gen/pgsql/CURRENT/pgsql/src/pl/plperl'
> > gmake[2]: *** [all] Error 2
> > gmake[2]: Leaving directory `/usr/var/local/src/gen/pgsql/CURRENT/pgsql/src/pl'
> > gmake[1]: *** [all] Error 2
> > gmake[1]: Leaving directory `/usr/var/local/src/gen/pgsql/CURRENT/pgsql/src'
> > gmake: *** [all] Error 2
> >
> >
> >
>
> ---------------------------(end of broadcast)---------------------------
> TIP 4: Don't 'kill -9' the postmaster
>
>
> !DSPAM:40e8839e277026631821392!
>
>
--
Bruce Momjian | http://candle.pha.pa.us
[EMAIL PROTECTED] | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
Index: src/pl/plperl/SPI.xs
===================================================================
RCS file: /cvsroot/pgsql-server/src/pl/plperl/SPI.xs,v
retrieving revision 1.6
diff -c -c -r1.6 SPI.xs
*** src/pl/plperl/SPI.xs 1 Jul 2004 20:50:22 -0000 1.6
--- src/pl/plperl/SPI.xs 5 Jul 2004 01:15:07 -0000
***************
*** 5,10 ****
--- 5,11 ----
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
+ #include "ppport.h"
#include "spi_internal.h"
Index: src/pl/plperl/ppport.h
===================================================================
RCS file: /cvsroot/pgsql-server/src/pl/plperl/ppport.h,v
retrieving revision 1.5
diff -c -c -r1.5 ppport.h
*** src/pl/plperl/ppport.h 18 Oct 2002 20:33:57 -0000 1.5
--- src/pl/plperl/ppport.h 5 Jul 2004 01:15:07 -0000
***************
*** 1,57 ****
! #ifndef _P_P_PORTABILITY_H_
! #define _P_P_PORTABILITY_H_
!
! /* Perl/Pollution/Portability Version 1.0007 */
!
! /* Copyright (C) 1999, Kenneth Albanowski. This code may be used and
! distributed under the same license as any version of Perl. */
!
! /* For the latest version of this code, please retreive the Devel::PPPort
! module from CPAN, contact the author at <[EMAIL PROTECTED]>, or check
! with the Perl maintainers. */
!
! /* If you needed to customize this file for your project, please mention
! your changes, and visible alter the version number. */
!
/*
! In order for a Perl extension module to be as portable as possible
! across differing versions of Perl itself, certain steps need to be taken.
! Including this header is the first major one, then using dTHR is all the
! appropriate places and using a PL_ prefix to refer to global Perl
! variables is the second.
! */
/* If you use one of a few functions that were not present in earlier
! versions of Perl, please add a define before the inclusion of ppport.h
! for a static include, or use the GLOBAL request in a single module to
! produce a global definition that can be referenced from the other
! modules.
!
! Function: Static define: Extern define:
! newCONSTSUB() NEED_newCONSTSUB
NEED_newCONSTSUB_GLOBAL
!
! */
!
/* To verify whether ppport.h is needed for your module, and whether any
! special defines should be used, ppport.h can be run through Perl to check
! your source code. Simply say:
!
! perl -x ppport.h *.c *.h *.xs foo/*.c [etc]
!
! The result will be a list of patches suggesting changes that should at
! least be acceptable, if not necessarily the most efficient solution, or a
! fix for all possible problems. It won't catch where dTHR is needed, and
! doesn't attempt to account for global macro or function definitions,
! nested includes, typemaps, etc.
!
! In order to test for the need of dTHR, please try your module under a
! recent version of Perl that has threading compiled-in.
!
! */
/*
--- 1,81 ----
! /* ppport.h -- Perl/Pollution/Portability Version 2.011
! *
! * Automatically Created by Devel::PPPort on Sun Jul 4 09:11:52 2004
! *
! * Do NOT edit this file directly! -- Edit PPPort.pm instead.
! *
! * Version 2.x, Copyright (C) 2001, Paul Marquess.
! * Version 1.x, Copyright (C) 1999, Kenneth Albanowski.
! * This code may be used and distributed under the same license as any
! * version of Perl.
! *
! * This version of ppport.h is designed to support operation with Perl
! * installations back to 5.004, and has been tested up to 5.8.1.
! *
! * If this version of ppport.h is failing during the compilation of this
! * module, please check if a newer version of Devel::PPPort is available
! * on CPAN before sending a bug report.
! *
! * If you are using the latest version of Devel::PPPort and it is failing
! * during compilation of this module, please send a report to [EMAIL PROTECTED]
! *
! * Include all following information:
! *
! * 1. The complete output from running "perl -V"
! *
! * 2. This file.
! *
! * 3. The name & version of the module you were trying to build.
! *
! * 4. A full log of the build that failed.
! *
! * 5. Any other information that you think could be relevant.
! *
! *
! * For the latest version of this code, please retreive the Devel::PPPort
! * module from CPAN.
! *
! */
/*
! * In order for a Perl extension module to be as portable as possible
! * across differing versions of Perl itself, certain steps need to be taken.
! * Including this header is the first major one, then using dTHR is all the
! * appropriate places and using a PL_ prefix to refer to global Perl
! * variables is the second.
! *
! */
/* If you use one of a few functions that were not present in earlier
! * versions of Perl, please add a define before the inclusion of ppport.h
! * for a static include, or use the GLOBAL request in a single module to
! * produce a global definition that can be referenced from the other
! * modules.
! *
! * Function: Static define: Extern define:
! * newCONSTSUB() NEED_newCONSTSUB NEED_newCONSTSUB_GLOBAL
! *
! */
!
/* To verify whether ppport.h is needed for your module, and whether any
! * special defines should be used, ppport.h can be run through Perl to check
! * your source code. Simply say:
! *
! * perl -x ppport.h *.c *.h *.xs foo/bar*.c [etc]
! *
! * The result will be a list of patches suggesting changes that should at
! * least be acceptable, if not necessarily the most efficient solution, or a
! * fix for all possible problems. It won't catch where dTHR is needed, and
! * doesn't attempt to account for global macro or function definitions,
! * nested includes, typemaps, etc.
! *
! * In order to test for the need of dTHR, please try your module under a
! * recent version of Perl that has threading compiled-in.
! *
! */
/*
***************
*** 109,119 ****
$need_include = 1;
}
}
!
if (scalar(keys %add_func) or $need_include != $has_include) {
if (!$has_include) {
$inc = join('',map("#define NEED_$_\n", sort keys %add_func)).
! "#include \"ppport.h\"\n";
$c = "$inc$c" unless $c =~ s/#.*include.*XSUB.*\n/$&$inc/m;
} elsif (keys %add_func) {
$inc = join('',map("#define NEED_$_\n", sort keys %add_func));
--- 133,143 ----
$need_include = 1;
}
}
!
if (scalar(keys %add_func) or $need_include != $has_include) {
if (!$has_include) {
$inc = join('',map("#define NEED_$_\n", sort keys %add_func)).
! "#include \"ppport.h\"\n";
$c = "$inc$c" unless $c =~ s/#.*include.*XSUB.*\n/$&$inc/m;
} elsif (keys %add_func) {
$inc = join('',map("#define NEED_$_\n", sort keys %add_func));
***************
*** 125,131 ****
}
$changes++;
}
!
if ($changes) {
open(OUT,">/tmp/ppport.h.$$");
print OUT $c;
--- 149,155 ----
}
$changes++;
}
!
if ($changes) {
open(OUT,">/tmp/ppport.h.$$");
print OUT $c;
***************
*** 141,227 ****
__DATA__
*/
#ifndef PERL_REVISION
! #ifndef __PATCHLEVEL_H_INCLUDED__
! #include "patchlevel.h"
! #endif
! #ifndef PERL_REVISION
! #define PERL_REVISION (5)
! /* Replace: 1 */
! #define PERL_VERSION PATCHLEVEL
! #define PERL_SUBVERSION SUBVERSION
! /* Replace PERL_PATCHLEVEL with PERL_VERSION */
! /* Replace: 0 */
! #endif
#endif
#define PERL_BCDVERSION ((PERL_REVISION * 0x1000000L) + (PERL_VERSION * 0x1000L) +
PERL_SUBVERSION)
#ifndef ERRSV
! #define ERRSV perl_get_sv("@",FALSE)
#endif
#if (PERL_VERSION < 4) || ((PERL_VERSION == 4) && (PERL_SUBVERSION <= 5))
/* Replace: 1 */
! #define PL_sv_undef sv_undef
! #define PL_sv_yes sv_yes
! #define PL_sv_no sv_no
! #define PL_na na
! #define PL_stdingv stdingv
! #define PL_hints hints
! #define PL_curcop curcop
! #define PL_curstash curstash
! #define PL_copline copline
! #define PL_Sv Sv
/* Replace: 0 */
#endif
#ifndef dTHR
! #define dTHR extern int no_such_variable
#endif
#ifndef boolSV
! #define boolSV(b) ((b) ? &PL_sv_yes : &PL_sv_no)
#endif
#ifndef gv_stashpvn
! #define gv_stashpvn(str,len,flags) gv_stashpv(str,flags)
#endif
#ifndef newSVpvn
! #define newSVpvn(data,len) ((len) ? newSVpv ((data), (len)) : newSVpv ("", 0))
#endif
#ifndef newRV_inc
/* Replace: 1 */
! #define newRV_inc(sv) newRV(sv)
/* Replace: 0 */
#endif
#ifndef newRV_noinc
! #ifdef __GNUC__
! #define newRV_noinc(sv) \
! ({ \
! SV *nsv = (SV*)newRV(sv); \
! SvREFCNT_dec(sv); \
! nsv; \
! })
! #else
! #if defined(CRIPPLED_CC) || defined(USE_THREADS)
! static SV *
! newRV_noinc(SV * sv)
{
! SV *nsv = (SV *) newRV(sv);
!
! SvREFCNT_dec(sv);
! return nsv;
}
!
! #else
! #define newRV_noinc(sv) \
! ((PL_Sv=(SV*)newRV(sv), SvREFCNT_dec(sv), (SV*)PL_Sv)
! #endif
! #endif
#endif
/* Provide: newCONSTSUB */
--- 165,360 ----
__DATA__
*/
+ #ifndef _P_P_PORTABILITY_H_
+ #define _P_P_PORTABILITY_H_
+
#ifndef PERL_REVISION
! # ifndef __PATCHLEVEL_H_INCLUDED__
! # define PERL_PATCHLEVEL_H_IMPLICIT
! # include <patchlevel.h>
! # endif
! # if !(defined(PERL_VERSION) || (defined(SUBVERSION) && defined(PATCHLEVEL)))
! # include <could_not_find_Perl_patchlevel.h>
! # endif
! # ifndef PERL_REVISION
! # define PERL_REVISION (5)
! /* Replace: 1 */
! # define PERL_VERSION PATCHLEVEL
! # define PERL_SUBVERSION SUBVERSION
! /* Replace PERL_PATCHLEVEL with PERL_VERSION */
! /* Replace: 0 */
! # endif
#endif
#define PERL_BCDVERSION ((PERL_REVISION * 0x1000000L) + (PERL_VERSION * 0x1000L) +
PERL_SUBVERSION)
+ /* It is very unlikely that anyone will try to use this with Perl 6
+ (or greater), but who knows.
+ */
+ #if PERL_REVISION != 5
+ # error ppport.h only works with Perl version 5
+ #endif /* PERL_REVISION != 5 */
+
#ifndef ERRSV
! # define ERRSV perl_get_sv("@",FALSE)
#endif
#if (PERL_VERSION < 4) || ((PERL_VERSION == 4) && (PERL_SUBVERSION <= 5))
/* Replace: 1 */
! # define PL_Sv Sv
! # define PL_compiling compiling
! # define PL_copline copline
! # define PL_curcop curcop
! # define PL_curstash curstash
! # define PL_defgv defgv
! # define PL_dirty dirty
! # define PL_dowarn dowarn
! # define PL_hints hints
! # define PL_na na
! # define PL_perldb perldb
! # define PL_rsfp_filters rsfp_filters
! # define PL_rsfpv rsfp
! # define PL_stdingv stdingv
! # define PL_sv_no sv_no
! # define PL_sv_undef sv_undef
! # define PL_sv_yes sv_yes
/* Replace: 0 */
#endif
+ #ifdef HASATTRIBUTE
+ # if (defined(__GNUC__) && defined(__cplusplus)) || defined(__INTEL_COMPILER)
+ # define PERL_UNUSED_DECL
+ # else
+ # define PERL_UNUSED_DECL __attribute__((unused))
+ # endif
+ #else
+ # define PERL_UNUSED_DECL
+ #endif
+
+ #ifndef dNOOP
+ # define NOOP (void)0
+ # define dNOOP extern int Perl___notused PERL_UNUSED_DECL
+ #endif
+
#ifndef dTHR
! # define dTHR dNOOP
! #endif
!
! #ifndef dTHX
! # define dTHX dNOOP
! # define dTHXa(x) dNOOP
! # define dTHXoa(x) dNOOP
! #endif
!
! #ifndef pTHX
! # define pTHX void
! # define pTHX_
! # define aTHX
! # define aTHX_
! #endif
!
! #ifndef dAX
! # define dAX I32 ax = MARK - PL_stack_base + 1
! #endif
! #ifndef dITEMS
! # define dITEMS I32 items = SP - MARK
! #endif
!
! /* IV could also be a quad (say, a long long), but Perls
! * capable of those should have IVSIZE already. */
! #if !defined(IVSIZE) && defined(LONGSIZE)
! # define IVSIZE LONGSIZE
! #endif
! #ifndef IVSIZE
! # define IVSIZE 4 /* A bold guess, but the best we can make. */
! #endif
!
! #ifndef UVSIZE
! # define UVSIZE IVSIZE
! #endif
!
! #ifndef NVTYPE
! # if defined(USE_LONG_DOUBLE) && defined(HAS_LONG_DOUBLE)
! # define NVTYPE long double
! # else
! # define NVTYPE double
! # endif
! typedef NVTYPE NV;
! #endif
!
! #ifndef INT2PTR
!
! #if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
! # define PTRV UV
! # define INT2PTR(any,d) (any)(d)
! #else
! # if PTRSIZE == LONGSIZE
! # define PTRV unsigned long
! # else
! # define PTRV unsigned
! # endif
! # define INT2PTR(any,d) (any)(PTRV)(d)
! #endif
! #define NUM2PTR(any,d) (any)(PTRV)(d)
! #define PTR2IV(p) INT2PTR(IV,p)
! #define PTR2UV(p) INT2PTR(UV,p)
! #define PTR2NV(p) NUM2PTR(NV,p)
! #if PTRSIZE == LONGSIZE
! # define PTR2ul(p) (unsigned long)(p)
! #else
! # define PTR2ul(p) INT2PTR(unsigned long,p)
#endif
+ #endif /* !INT2PTR */
+
#ifndef boolSV
! # define boolSV(b) ((b) ? &PL_sv_yes : &PL_sv_no)
#endif
#ifndef gv_stashpvn
! # define gv_stashpvn(str,len,flags) gv_stashpv(str,flags)
#endif
#ifndef newSVpvn
! # define newSVpvn(data,len) ((len) ? newSVpv ((data), (len)) : newSVpv ("", 0))
#endif
#ifndef newRV_inc
/* Replace: 1 */
! # define newRV_inc(sv) newRV(sv)
/* Replace: 0 */
#endif
+ /* DEFSV appears first in 5.004_56 */
+ #ifndef DEFSV
+ # define DEFSV GvSV(PL_defgv)
+ #endif
+
+ #ifndef SAVE_DEFSV
+ # define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
+ #endif
+
#ifndef newRV_noinc
! # ifdef __GNUC__
! # define newRV_noinc(sv) \
! ({ \
! SV *nsv = (SV*)newRV(sv); \
! SvREFCNT_dec(sv); \
! nsv; \
! })
! # else
! # if defined(USE_THREADS)
! static SV * newRV_noinc (SV * sv)
{
! SV *nsv = (SV*)newRV(sv);
! SvREFCNT_dec(sv);
! return nsv;
}
! # else
! # define newRV_noinc(sv) \
! (PL_Sv=(SV*)newRV(sv), SvREFCNT_dec(sv), (SV*)PL_Sv)
! # endif
! # endif
#endif
/* Provide: newCONSTSUB */
***************
*** 232,252 ****
#if defined(NEED_newCONSTSUB)
static
#else
! extern void newCONSTSUB _((HV * stash, char *name, SV * sv));
#endif
#if defined(NEED_newCONSTSUB) || defined(NEED_newCONSTSUB_GLOBAL)
void
! newCONSTSUB(stash, name, sv)
! HV *stash;
! char *name;
! SV *sv;
{
! U32 oldhints = PL_hints;
! HV *old_cop_stash = PL_curcop->cop_stash;
! HV *old_curstash = PL_curstash;
! line_t oldline = PL_curcop->cop_line;
!
PL_curcop->cop_line = PL_copline;
PL_hints &= ~HINT_BLOCK_SCOPE;
--- 365,384 ----
#if defined(NEED_newCONSTSUB)
static
#else
! extern void newCONSTSUB(HV * stash, char * name, SV *sv);
#endif
#if defined(NEED_newCONSTSUB) || defined(NEED_newCONSTSUB_GLOBAL)
void
! newCONSTSUB(stash,name,sv)
! HV *stash;
! char *name;
! SV *sv;
{
! U32 oldhints = PL_hints;
! HV *old_cop_stash = PL_curcop->cop_stash;
! HV *old_curstash = PL_curstash;
! line_t oldline = PL_curcop->cop_line;
PL_curcop->cop_line = PL_copline;
PL_hints &= ~HINT_BLOCK_SCOPE;
***************
*** 256,278 ****
newSUB(
#if (PERL_VERSION < 3) || ((PERL_VERSION == 3) && (PERL_SUBVERSION < 22))
! /* before 5.003_22 */
! start_subparse(),
! #else
! #if (PERL_VERSION == 3) && (PERL_SUBVERSION == 22)
! /* 5.003_22 */
! start_subparse(0),
#else
! /* 5.003_23 onwards */
! start_subparse(FALSE, 0),
! #endif
#endif
! newSVOP(OP_CONST, 0, newSVpv(name, 0)),
! newSVOP(OP_CONST, 0, &PL_sv_no), /* SvPV(&PL_sv_no) ==
""
!
* -- GMB */
! newSTATEOP(0, Nullch, newSVOP(OP_CONST, 0, sv))
! );
PL_hints = oldhints;
PL_curcop->cop_stash = old_cop_stash;
--- 388,409 ----
newSUB(
#if (PERL_VERSION < 3) || ((PERL_VERSION == 3) && (PERL_SUBVERSION < 22))
! /* before 5.003_22 */
! start_subparse(),
#else
! # if (PERL_VERSION == 3) && (PERL_SUBVERSION == 22)
! /* 5.003_22 */
! start_subparse(0),
! # else
! /* 5.003_23 onwards */
! start_subparse(FALSE, 0),
! # endif
#endif
! newSVOP(OP_CONST, 0, newSVpv(name,0)),
! newSVOP(OP_CONST, 0, &PL_sv_no), /* SvPV(&PL_sv_no) == "" -- GMB */
! newSTATEOP(0, Nullch, newSVOP(OP_CONST, 0, sv))
! );
PL_hints = oldhints;
PL_curcop->cop_stash = old_cop_stash;
***************
*** 280,285 ****
PL_curcop->cop_line = oldline;
}
#endif
- #endif /* newCONSTSUB */
! #endif /* _P_P_PORTABILITY_H_ */
--- 411,813 ----
PL_curcop->cop_line = oldline;
}
#endif
! #endif /* newCONSTSUB */
!
! #ifndef START_MY_CXT
!
! /*
! * Boilerplate macros for initializing and accessing interpreter-local
! * data from C. All statics in extensions should be reworked to use
! * this, if you want to make the extension thread-safe. See ext/re/re.xs
! * for an example of the use of these macros.
! *
! * Code that uses these macros is responsible for the following:
! * 1. #define MY_CXT_KEY to a unique string, e.g. "DynaLoader_guts"
! * 2. Declare a typedef named my_cxt_t that is a structure that contains
! * all the data that needs to be interpreter-local.
! * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
! * 4. Use the MY_CXT_INIT macro such that it is called exactly once
! * (typically put in the BOOT: section).
! * 5. Use the members of the my_cxt_t structure everywhere as
! * MY_CXT.member.
! * 6. Use the dMY_CXT macro (a declaration) in all the functions that
! * access MY_CXT.
! */
!
! #if defined(MULTIPLICITY) || defined(PERL_OBJECT) || \
! defined(PERL_CAPI) || defined(PERL_IMPLICIT_CONTEXT)
!
! /* This must appear in all extensions that define a my_cxt_t structure,
! * right after the definition (i.e. at file scope). The non-threads
! * case below uses it to declare the data as static. */
! #define START_MY_CXT
!
! #if (PERL_VERSION < 4 || (PERL_VERSION == 4 && PERL_SUBVERSION < 68 ))
! /* Fetches the SV that keeps the per-interpreter data. */
! #define dMY_CXT_SV \
! SV *my_cxt_sv = perl_get_sv(MY_CXT_KEY, FALSE)
! #else /* >= perl5.004_68 */
! #define dMY_CXT_SV \
! SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
! sizeof(MY_CXT_KEY)-1, TRUE)
! #endif /* < perl5.004_68 */
!
! /* This declaration should be used within all functions that use the
! * interpreter-local data. */
! #define dMY_CXT \
! dMY_CXT_SV; \
! my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*,SvUV(my_cxt_sv))
!
! /* Creates and zeroes the per-interpreter data.
! * (We allocate my_cxtp in a Perl SV so that it will be released when
! * the interpreter goes away.) */
! #define MY_CXT_INIT \
! dMY_CXT_SV; \
! /* newSV() allocates one more than needed */ \
! my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
! Zero(my_cxtp, 1, my_cxt_t); \
! sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
!
! /* This macro must be used to access members of the my_cxt_t structure.
! * e.g. MYCXT.some_data */
! #define MY_CXT (*my_cxtp)
!
! /* Judicious use of these macros can reduce the number of times dMY_CXT
! * is used. Use is similar to pTHX, aTHX etc. */
! #define pMY_CXT my_cxt_t *my_cxtp
! #define pMY_CXT_ pMY_CXT,
! #define _pMY_CXT ,pMY_CXT
! #define aMY_CXT my_cxtp
! #define aMY_CXT_ aMY_CXT,
! #define _aMY_CXT ,aMY_CXT
!
! #else /* single interpreter */
!
! #define START_MY_CXT static my_cxt_t my_cxt;
! #define dMY_CXT_SV dNOOP
! #define dMY_CXT dNOOP
! #define MY_CXT_INIT NOOP
! #define MY_CXT my_cxt
!
! #define pMY_CXT void
! #define pMY_CXT_
! #define _pMY_CXT
! #define aMY_CXT
! #define aMY_CXT_
! #define _aMY_CXT
!
! #endif
!
! #endif /* START_MY_CXT */
!
! #ifndef IVdf
! # if IVSIZE == LONGSIZE
! # define IVdf "ld"
! # define UVuf "lu"
! # define UVof "lo"
! # define UVxf "lx"
! # define UVXf "lX"
! # else
! # if IVSIZE == INTSIZE
! # define IVdf "d"
! # define UVuf "u"
! # define UVof "o"
! # define UVxf "x"
! # define UVXf "X"
! # endif
! # endif
! #endif
!
! #ifndef NVef
! # if defined(USE_LONG_DOUBLE) && defined(HAS_LONG_DOUBLE) && \
! defined(PERL_PRIfldbl) /* Not very likely, but let's try anyway. */
! # define NVef PERL_PRIeldbl
! # define NVff PERL_PRIfldbl
! # define NVgf PERL_PRIgldbl
! # else
! # define NVef "e"
! # define NVff "f"
! # define NVgf "g"
! # endif
! #endif
!
! #ifndef AvFILLp /* Older perls (<=5.003) lack AvFILLp */
! # define AvFILLp AvFILL
! #endif
!
! #ifdef SvPVbyte
! # if PERL_REVISION == 5 && PERL_VERSION < 7
! /* SvPVbyte does not work in perl-5.6.1, borrowed version for 5.7.3 */
! # undef SvPVbyte
! # define SvPVbyte(sv, lp) \
! ((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK) \
! ? ((lp = SvCUR(sv)), SvPVX(sv)) : my_sv_2pvbyte(aTHX_ sv, &lp))
! static char *
! my_sv_2pvbyte(pTHX_ register SV *sv, STRLEN *lp)
! {
! sv_utf8_downgrade(sv,0);
! return SvPV(sv,*lp);
! }
! # endif
! #else
! # define SvPVbyte SvPV
! #endif
!
! #ifndef SvPV_nolen
! # define SvPV_nolen(sv) \
! ((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \
! ? SvPVX(sv) : sv_2pv_nolen(sv))
! static char *
! sv_2pv_nolen(pTHX_ register SV *sv)
! {
! STRLEN n_a;
! return sv_2pv(sv, &n_a);
! }
! #endif
!
! #ifndef get_cv
! # define get_cv(name,create) perl_get_cv(name,create)
! #endif
!
! #ifndef get_sv
! # define get_sv(name,create) perl_get_sv(name,create)
! #endif
!
! #ifndef get_av
! # define get_av(name,create) perl_get_av(name,create)
! #endif
!
! #ifndef get_hv
! # define get_hv(name,create) perl_get_hv(name,create)
! #endif
!
! #ifndef call_argv
! # define call_argv perl_call_argv
! #endif
!
! #ifndef call_method
! # define call_method perl_call_method
! #endif
!
! #ifndef call_pv
! # define call_pv perl_call_pv
! #endif
!
! #ifndef call_sv
! # define call_sv perl_call_sv
! #endif
!
! #ifndef eval_pv
! # define eval_pv perl_eval_pv
! #endif
!
! #ifndef eval_sv
! # define eval_sv perl_eval_sv
! #endif
!
! #ifndef PERL_SCAN_GREATER_THAN_UV_MAX
! # define PERL_SCAN_GREATER_THAN_UV_MAX 0x02
! #endif
!
! #ifndef PERL_SCAN_SILENT_ILLDIGIT
! # define PERL_SCAN_SILENT_ILLDIGIT 0x04
! #endif
!
! #ifndef PERL_SCAN_ALLOW_UNDERSCORES
! # define PERL_SCAN_ALLOW_UNDERSCORES 0x01
! #endif
!
! #ifndef PERL_SCAN_DISALLOW_PREFIX
! # define PERL_SCAN_DISALLOW_PREFIX 0x02
! #endif
!
! #if (PERL_VERSION > 6) || ((PERL_VERSION == 6) && (PERL_SUBVERSION >= 1))
! #define I32_CAST
! #else
! #define I32_CAST (I32*)
! #endif
!
!
! #ifndef IN_LOCALE
! # define IN_LOCALE \
! (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
! #endif
!
! #ifndef IN_LOCALE_RUNTIME
! # define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
! #endif
!
! #ifndef IN_LOCALE_COMPILETIME
! # define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
! #endif
!
!
! #ifndef IS_NUMBER_IN_UV
! # define IS_NUMBER_IN_UV 0x01
! # define IS_NUMBER_GREATER_THAN_UV_MAX 0x02
! # define IS_NUMBER_NOT_INT 0x04
! # define IS_NUMBER_NEG 0x08
! # define IS_NUMBER_INFINITY 0x10
! # define IS_NUMBER_NAN 0x20
! #endif
!
! #ifndef PERL_MAGIC_sv
! # define PERL_MAGIC_sv '\0'
! #endif
!
! #ifndef PERL_MAGIC_overload
! # define PERL_MAGIC_overload 'A'
! #endif
!
! #ifndef PERL_MAGIC_overload_elem
! # define PERL_MAGIC_overload_elem 'a'
! #endif
!
! #ifndef PERL_MAGIC_overload_table
! # define PERL_MAGIC_overload_table 'c'
! #endif
!
! #ifndef PERL_MAGIC_bm
! # define PERL_MAGIC_bm 'B'
! #endif
!
! #ifndef PERL_MAGIC_regdata
! # define PERL_MAGIC_regdata 'D'
! #endif
!
! #ifndef PERL_MAGIC_regdatum
! # define PERL_MAGIC_regdatum 'd'
! #endif
!
! #ifndef PERL_MAGIC_env
! # define PERL_MAGIC_env 'E'
! #endif
!
! #ifndef PERL_MAGIC_envelem
! # define PERL_MAGIC_envelem 'e'
! #endif
!
! #ifndef PERL_MAGIC_fm
! # define PERL_MAGIC_fm 'f'
! #endif
!
! #ifndef PERL_MAGIC_regex_global
! # define PERL_MAGIC_regex_global 'g'
! #endif
!
! #ifndef PERL_MAGIC_isa
! # define PERL_MAGIC_isa 'I'
! #endif
!
! #ifndef PERL_MAGIC_isaelem
! # define PERL_MAGIC_isaelem 'i'
! #endif
!
! #ifndef PERL_MAGIC_nkeys
! # define PERL_MAGIC_nkeys 'k'
! #endif
!
! #ifndef PERL_MAGIC_dbfile
! # define PERL_MAGIC_dbfile 'L'
! #endif
!
! #ifndef PERL_MAGIC_dbline
! # define PERL_MAGIC_dbline 'l'
! #endif
!
! #ifndef PERL_MAGIC_mutex
! # define PERL_MAGIC_mutex 'm'
! #endif
!
! #ifndef PERL_MAGIC_shared
! # define PERL_MAGIC_shared 'N'
! #endif
!
! #ifndef PERL_MAGIC_shared_scalar
! # define PERL_MAGIC_shared_scalar 'n'
! #endif
!
! #ifndef PERL_MAGIC_collxfrm
! # define PERL_MAGIC_collxfrm 'o'
! #endif
!
! #ifndef PERL_MAGIC_tied
! # define PERL_MAGIC_tied 'P'
! #endif
!
! #ifndef PERL_MAGIC_tiedelem
! # define PERL_MAGIC_tiedelem 'p'
! #endif
!
! #ifndef PERL_MAGIC_tiedscalar
! # define PERL_MAGIC_tiedscalar 'q'
! #endif
!
! #ifndef PERL_MAGIC_qr
! # define PERL_MAGIC_qr 'r'
! #endif
!
! #ifndef PERL_MAGIC_sig
! # define PERL_MAGIC_sig 'S'
! #endif
!
! #ifndef PERL_MAGIC_sigelem
! # define PERL_MAGIC_sigelem 's'
! #endif
!
! #ifndef PERL_MAGIC_taint
! # define PERL_MAGIC_taint 't'
! #endif
!
! #ifndef PERL_MAGIC_uvar
! # define PERL_MAGIC_uvar 'U'
! #endif
!
! #ifndef PERL_MAGIC_uvar_elem
! # define PERL_MAGIC_uvar_elem 'u'
! #endif
!
! #ifndef PERL_MAGIC_vstring
! # define PERL_MAGIC_vstring 'V'
! #endif
!
! #ifndef PERL_MAGIC_vec
! # define PERL_MAGIC_vec 'v'
! #endif
!
! #ifndef PERL_MAGIC_utf8
! # define PERL_MAGIC_utf8 'w'
! #endif
!
! #ifndef PERL_MAGIC_substr
! # define PERL_MAGIC_substr 'x'
! #endif
!
! #ifndef PERL_MAGIC_defelem
! # define PERL_MAGIC_defelem 'y'
! #endif
!
! #ifndef PERL_MAGIC_glob
! # define PERL_MAGIC_glob '*'
! #endif
!
! #ifndef PERL_MAGIC_arylen
! # define PERL_MAGIC_arylen '#'
! #endif
!
! #ifndef PERL_MAGIC_pos
! # define PERL_MAGIC_pos '.'
! #endif
!
! #ifndef PERL_MAGIC_backref
! # define PERL_MAGIC_backref '<'
! #endif
!
! #ifndef PERL_MAGIC_ext
! # define PERL_MAGIC_ext '~'
! #endif
!
! #endif /* _P_P_PORTABILITY_H_ */
!
! /* End of File ppport.h */
---------------------------(end of broadcast)---------------------------
TIP 8: explain analyze is your friend