Clarify the description of SCALAR in perltie

[perl5.git] / config_h.SH

diff --git a/config_h.SH b/config_h.SH
index dc54456..a40ec44 100644 (file)
--- a/config_h.SH
+++ b/config_h.SH
@@ -1500,7 +1500,7 @@ sed <<!GROK!THIS! >$CONFIG_H -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un
 #define OSVERS "$osvers"               /**/
 
 /* CAT2:
- *     This macro catenates 2 tokens together.
+ *     This macro concatenates 2 tokens together.
  */
 /* STRINGIFY:
  *     This macro surrounds its token with double quotes.
@@ -1520,7 +1520,7 @@ sed <<!GROK!THIS! >$CONFIG_H -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un
 #define STRINGIFY(a)   PeRl_StGiFy(a)
 #endif
 #if $cpp_stuff != 1 && $cpp_stuff != 42
-#   include "Bletch: How does this C preprocessor catenate tokens?"
+#   include "Bletch: How does this C preprocessor concatenate tokens?"
 #endif
 
 /* CPPSTDIN:
@@ -2302,6 +2302,12 @@ sed <<!GROK!THIS! >$CONFIG_H -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un
  */
 #$d__fwalk HAS__FWALK          /**/
 
+/* HAS_AINTL:
+ *     This symbol, if defined, indicates that the aintl routine is
+ *     available.  If copysignl is also present we can emulate modfl.
+ */
+#$d_aintl HAS_AINTL            /**/
+
 /* HAS_CLASS:
  *     This symbol, if defined, indicates that the class routine is
  *     available to classify doubles.  Available for example in AIX.
@@ -2326,6 +2332,12 @@ sed <<!GROK!THIS! >$CONFIG_H -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un
  */
 #$d_cmsghdr_s HAS_STRUCT_CMSGHDR       /**/
 
+/* HAS_COPYSIGNL:
+ *     This symbol, if defined, indicates that the copysignl routine is
+ *     available.  If aintl is also present we can emulate modfl.
+ */
+#$d_copysignl HAS_COPYSIGNL            /**/
+
 /* HAS_DBMINIT_PROTO:
  *     This symbol, if defined, indicates that the system provides
  *     a prototype for the dbminit() function.  Otherwise, it is up
@@ -2348,6 +2360,12 @@ sed <<!GROK!THIS! >$CONFIG_H -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un
  */
 #$d_dlsymun    DLSYM_NEEDS_UNDERSCORE  /**/
 
+/* HAS_FAST_STDIO:
+ *     This symbol, if defined, indicates that the "fast stdio"
+ *     is available to manipulate the stdio buffers directly.
+ */
+#$d_faststdio HAS_FAST_STDIO           /**/
+
 /* HAS_FCHDIR:
  *     This symbol, if defined, indicates that the fchdir routine is
  *     available to change directory using a file descriptor.
@@ -2462,17 +2480,6 @@ sed <<!GROK!THIS! >$CONFIG_H -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un
  */
 #$d_frexpl HAS_FREXPL          /**/
 
-/* HAS_ILOGBL
- *     This symbol, if defined, indicates that the ilogbl function is
- *     available. If scalbnl is also present we can emulate frexpl
- */
-/* HAS_SCALBNL
- *     This symbol, if defined, indicates that the scalbnl function is
- *     available. If ilogbl is also present we can emulate frexpl
- */
-#$d_ilogbl HAS_ILOGBL          /**/
-#$d_scalbnl HAS_SCALBNL                /**/
-
 /* HAS_STRUCT_FS_DATA:
  *     This symbol, if defined, indicates that the struct fs_data
  *     to do statfs() is supported.
@@ -2558,6 +2565,12 @@ sed <<!GROK!THIS! >$CONFIG_H -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un
  */
 #$d_hasmntopt HAS_HASMNTOPT            /**/
 
+/* HAS_ILOGBL:
+ *     This symbol, if defined, indicates that the ilogbl routine is
+ *     available.  If scalbnl is also present we can emulate frexpl.
+ */
+#$d_ilogbl HAS_ILOGBL          /**/
+
 /* HAS_INT64_T:
  *     This symbol will defined if the C compiler supports int64_t.
  *     Usually the <inttypes.h> needs to be included, but sometimes
@@ -2637,17 +2650,6 @@ sed <<!GROK!THIS! >$CONFIG_H -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un
 #$d_modflproto HAS_MODFL_PROTO         /**/
 #$d_modfl_pow32_bug HAS_MODFL_POW32_BUG                /**/
 
-/* HAS_AINTL
- *     This symbol, if defined, indicates that the aintl function is
- *     available. If copysignl is also present we can emulate modfl
- */
-/* HAS_COPYSIGNL
- *     This symbol, if defined, indicates that the copysignl function is
- *     available. If aintl is also present we can emulate modfl
- */
-#$d_aintl HAS_AINTL            /**/
-#$d_copysignl HAS_COPYSIGNL    /**/
-
 /* HAS_MPROTECT:
  *     This symbol, if defined, indicates that the mprotect system call is
  *     available to modify the access protection of a memory mapped file.
@@ -2660,12 +2662,6 @@ sed <<!GROK!THIS! >$CONFIG_H -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un
  */
 #$d_msghdr_s HAS_STRUCT_MSGHDR /**/
 
-/* HAS_NANOSLEEP:
- *     This symbol, if defined, indicates that the nanosleep
- *     system call is available to sleep with 1E-9 sec accuracy.
- */
-#$d_nanosleep HAS_NANOSLEEP            /**/
-
 /* HAS_NL_LANGINFO:
  *     This symbol, if defined, indicates that the nl_langinfo routine is
  *     available to return local data.  You will also need <langinfo.h>
@@ -2692,6 +2688,13 @@ sed <<!GROK!THIS! >$CONFIG_H -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un
 #define PROCSELFEXE_PATH       $procselfexe    /**/
 #endif
 
+/* HAS_PTHREAD_ATTR_SETSCOPE:
+ *     This symbol, if defined, indicates that the pthread_attr_setscope
+ *     system call is available to set the contention scope attribute of
+ *     a thread attribute object.
+ */
+#$d_pthread_attr_setscope HAS_PTHREAD_ATTR_SETSCOPE            /**/
+
 /* HAS_READV:
  *     This symbol, if defined, indicates that the readv routine is
  *     available to do gather reads.  You will also need <sys/uio.h>
@@ -2714,6 +2717,12 @@ sed <<!GROK!THIS! >$CONFIG_H -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un
  */
 #$d_sbrkproto  HAS_SBRK_PROTO  /**/
 
+/* HAS_SCALBNL:
+ *     This symbol, if defined, indicates that the scalbnl routine is
+ *     available.  If ilogbl is also present we can emulate frexpl.
+ */
+#$d_scalbnl HAS_SCALBNL                /**/
+
 /* HAS_SENDMSG:
  *     This symbol, if defined, indicates that the sendmsg routine is
  *     available to send structured socket messages.
@@ -3219,6 +3228,19 @@ sed <<!GROK!THIS! >$CONFIG_H -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un
 #define        NVSIZE          $nvsize         /**/
 #$d_nv_preserves_uv    NV_PRESERVES_UV
 #define        NV_PRESERVES_UV_BITS    $nv_preserves_uv_bits
+#if UVSIZE == 8
+#   ifdef BYTEORDER
+#       if BYTEORDER == 0x1234
+#           undef BYTEORDER
+#           define BYTEORDER 0x12345678
+#       else
+#           if BYTEORDER == 0x4321
+#               undef BYTEORDER
+#               define BYTEORDER 0x87654321
+#           endif
+#       endif
+#   endif
+#endif
 
 /* IVdf:
  *     This symbol defines the format string used for printing a Perl IV
@@ -3314,6 +3336,15 @@ sed <<!GROK!THIS! >$CONFIG_H -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un
 #$use64bitall  USE_64_BIT_ALL          /**/
 #endif
 
+/* USE_FAST_STDIO:
+ *     This symbol, if defined, indicates that Perl should
+ *     be built to use 'fast stdio'.
+ *     Defaults to define in Perls 5.8 and earlier, to undef later.
+ */
+#ifndef USE_FAST_STDIO
+#$usefaststdio USE_FAST_STDIO          /**/
+#endif
+
 /* USE_LARGE_FILES:
  *     This symbol, if defined, indicates that large file support
  *     should be used when available.
@@ -3930,7 +3961,7 @@ sed <<!GROK!THIS! >$CONFIG_H -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un
 
 /* HAS_PTHREAD_ATFORK:
  *     This symbol, if defined, indicates that the pthread_atfork routine
- *     is available setup fork handlers.
+ *     is available to setup fork handlers.
  */
 #$d_pthread_atfork HAS_PTHREAD_ATFORK          /**/