Move all the compile time options that affect binary compatibility into
Nicholas Clark [Sat, 15 Sep 2007 22:34:16 +0000 (22:34 +0000)]
a global variable PL_bincompat_options. Because the string will be
embedded in any shared perl library, it will allow a comparison check
to be added to perlmain.c in the future, to detect library mismatch.

p4raw-id: //depot/perl@31873

perl.c
perl.h

diff --git a/perl.c b/perl.c
index e133346..0bc2b25 100644 (file)
--- a/perl.c
+++ b/perl.c
@@ -1806,42 +1806,12 @@ S_parse_body(pTHX_ char **env, XSINIT_t xsinit)
 #  ifdef DEBUGGING
                             " DEBUGGING"
 #  endif
-#  ifdef DEBUG_LEAKING_SCALARS
-                            " DEBUG_LEAKING_SCALARS"
-#  endif
-#  ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
-                            " DEBUG_LEAKING_SCALARS_FORK_DUMP"
-#  endif
-#  ifdef FAKE_THREADS
-                            " FAKE_THREADS"
-#  endif
-#  ifdef MULTIPLICITY
-                            " MULTIPLICITY"
-#  endif
-#  ifdef MYMALLOC
-                            " MYMALLOC"
-#  endif
 #  ifdef NO_MATHOMS
                             " NO_MATHOMS"
 #  endif
-#  ifdef PERL_DEBUG_READONLY_OPS
-                            " PERL_DEBUG_READONLY_OPS"
-#  endif
 #  ifdef PERL_DONT_CREATE_GVSV
                             " PERL_DONT_CREATE_GVSV"
 #  endif
-#  ifdef PERL_GLOBAL_STRUCT
-                            " PERL_GLOBAL_STRUCT"
-#  endif
-#  ifdef PERL_IMPLICIT_CONTEXT
-                            " PERL_IMPLICIT_CONTEXT"
-#  endif
-#  ifdef PERL_IMPLICIT_SYS
-                            " PERL_IMPLICIT_SYS"
-#  endif
-#  ifdef PERL_MAD
-                            " PERL_MAD"
-#  endif
 #  ifdef PERL_MALLOC_WRAP
                             " PERL_MALLOC_WRAP"
 #  endif
@@ -1860,65 +1830,15 @@ S_parse_body(pTHX_ char **env, XSINIT_t xsinit)
 #  ifdef PERL_MEM_LOG_TIMESTAMP
                             " PERL_MEM_LOG_TIMESTAMP"
 #  endif
-#  ifdef PERL_NEED_APPCTX
-                            " PERL_NEED_APPCTX"
-#  endif
-#  ifdef PERL_NEED_TIMESBASE
-                            " PERL_NEED_TIMESBASE"
-#  endif
-#  ifdef PERL_OLD_COPY_ON_WRITE
-                            " PERL_OLD_COPY_ON_WRITE"
-#  endif
-#  ifdef PERL_POISON
-                            " PERL_POISON"
-#  endif
-#  ifdef PERL_TRACK_MEMPOOL
-                            " PERL_TRACK_MEMPOOL"
-#  endif
 #  ifdef PERL_USE_SAFE_PUTENV
                             " PERL_USE_SAFE_PUTENV"
 #  endif
-#  ifdef PERL_USES_PL_PIDSTATUS
-                            " PERL_USES_PL_PIDSTATUS"
-#  endif
-#  ifdef PL_OP_SLAB_ALLOC
-                            " PL_OP_SLAB_ALLOC"
-#  endif
-#  ifdef THREADS_HAVE_PIDS
-                            " THREADS_HAVE_PIDS"
-#  endif
-#  ifdef USE_64_BIT_ALL
-                            " USE_64_BIT_ALL"
-#  endif
-#  ifdef USE_64_BIT_INT
-                            " USE_64_BIT_INT"
-#  endif
-#  ifdef USE_ITHREADS
-                            " USE_ITHREADS"
-#  endif
-#  ifdef USE_LARGE_FILES
-                            " USE_LARGE_FILES"
-#  endif
-#  ifdef USE_LONG_DOUBLE
-                            " USE_LONG_DOUBLE"
-#  endif
-#  ifdef USE_PERLIO
-                            " USE_PERLIO"
-#  endif
-#  ifdef USE_REENTRANT_API
-                            " USE_REENTRANT_API"
-#  endif
-#  ifdef USE_SFIO
-                            " USE_SFIO"
-#  endif
 #  ifdef USE_SITECUSTOMIZE
                             " USE_SITECUSTOMIZE"
 #  endif              
-#  ifdef USE_SOCKS
-                            " USE_SOCKS"
-#  endif
                                             , 0);
 
+                   sv_catpv(opts_prog, PL_bincompat_options);
                    /* Terminate the qw(, and then wrap at 76 columns.  */
                    sv_catpvs(opts_prog, "); s/(?=.{53})(.{1,53}) /$1\\n                        /mg;print Config::myconfig(),");
 #ifdef VMS
diff --git a/perl.h b/perl.h
index fefe3e8..f4a7f6e 100644 (file)
--- a/perl.h
+++ b/perl.h
@@ -4337,6 +4337,99 @@ EXTCONST char* PL_block_type[];
 #endif
 #endif
 
+/* These are all the compile time options that affect binary compatibility.
+   Other compile time options that are binary compatible are in perl.c
+   Both are combined for the output of perl -V
+   However, this string will be embedded in any shared perl library, which will
+   allow us add a comparison check in perlmain.c in the near future.  */
+#ifdef DOINIT
+EXTCONST char PL_bincompat_options[] =
+#  ifdef DEBUG_LEAKING_SCALARS
+                            " DEBUG_LEAKING_SCALARS"
+#  endif
+#  ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
+                            " DEBUG_LEAKING_SCALARS_FORK_DUMP"
+#  endif
+#  ifdef FAKE_THREADS
+                            " FAKE_THREADS"
+#  endif
+#  ifdef MULTIPLICITY
+                            " MULTIPLICITY"
+#  endif
+#  ifdef MYMALLOC
+                            " MYMALLOC"
+#  endif
+#  ifdef PERL_DEBUG_READONLY_OPS
+                            " PERL_DEBUG_READONLY_OPS"
+#  endif
+#  ifdef PERL_GLOBAL_STRUCT
+                            " PERL_GLOBAL_STRUCT"
+#  endif
+#  ifdef PERL_IMPLICIT_CONTEXT
+                            " PERL_IMPLICIT_CONTEXT"
+#  endif
+#  ifdef PERL_IMPLICIT_SYS
+                            " PERL_IMPLICIT_SYS"
+#  endif
+#  ifdef PERL_MAD
+                            " PERL_MAD"
+#  endif
+#  ifdef PERL_NEED_APPCTX
+                            " PERL_NEED_APPCTX"
+#  endif
+#  ifdef PERL_NEED_TIMESBASE
+                            " PERL_NEED_TIMESBASE"
+#  endif
+#  ifdef PERL_OLD_COPY_ON_WRITE
+                            " PERL_OLD_COPY_ON_WRITE"
+#  endif
+#  ifdef PERL_POISON
+                            " PERL_POISON"
+#  endif
+#  ifdef PERL_TRACK_MEMPOOL
+                            " PERL_TRACK_MEMPOOL"
+#  endif
+#  ifdef PERL_USES_PL_PIDSTATUS
+                            " PERL_USES_PL_PIDSTATUS"
+#  endif
+#  ifdef PL_OP_SLAB_ALLOC
+                            " PL_OP_SLAB_ALLOC"
+#  endif
+#  ifdef THREADS_HAVE_PIDS
+                            " THREADS_HAVE_PIDS"
+#  endif
+#  ifdef USE_64_BIT_ALL
+                            " USE_64_BIT_ALL"
+#  endif
+#  ifdef USE_64_BIT_INT
+                            " USE_64_BIT_INT"
+#  endif
+#  ifdef USE_ITHREADS
+                            " USE_ITHREADS"
+#  endif
+#  ifdef USE_LARGE_FILES
+                            " USE_LARGE_FILES"
+#  endif
+#  ifdef USE_LONG_DOUBLE
+                            " USE_LONG_DOUBLE"
+#  endif
+#  ifdef USE_PERLIO
+                            " USE_PERLIO"
+#  endif
+#  ifdef USE_REENTRANT_API
+                            " USE_REENTRANT_API"
+#  endif
+#  ifdef USE_SFIO
+                            " USE_SFIO"
+#  endif
+#  ifdef USE_SOCKS
+                            " USE_SOCKS"
+#  endif
+  ;
+#else
+EXTCONST char PL_bincompat_options[];
+#endif
+
 END_EXTERN_C
 
 /*****************************************************************************/