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Diff for /embedaddon/libiconv/srcm4/extensions.m4 between versions 1.1.1.1 and 1.1.1.3

version 1.1.1.1, 2012/02/21 22:57:49 version 1.1.1.3, 2021/03/17 13:38:46
Line 1 Line 1
# serial 8  -*- Autoconf -*-# serial 18  -*- Autoconf -*-
 # Enable extensions on systems that normally disable them.  # Enable extensions on systems that normally disable them.
   
# Copyright (C) 2003, 2006-2009 Free Software Foundation, Inc.# Copyright (C) 2003, 2006-2019 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation  # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,  # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.  # with or without modifications, as long as this notice is preserved.
   
# This definition of AC_USE_SYSTEM_EXTENSIONS is stolen from CVS# This definition of AC_USE_SYSTEM_EXTENSIONS is stolen from git
 # Autoconf.  Perhaps we can remove this once we can assume Autoconf  # Autoconf.  Perhaps we can remove this once we can assume Autoconf
# 2.62 or later everywhere, but since CVS Autoconf mutates rapidly# 2.70 or later everywhere, but since Autoconf mutates rapidly
 # enough in this area it's likely we'll need to redefine  # enough in this area it's likely we'll need to redefine
 # AC_USE_SYSTEM_EXTENSIONS for quite some time.  # AC_USE_SYSTEM_EXTENSIONS for quite some time.
   
   # If autoconf reports a warning
   #     warning: AC_COMPILE_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS
   # or  warning: AC_RUN_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS
   # the fix is
   #   1) to ensure that AC_USE_SYSTEM_EXTENSIONS is never directly invoked
   #      but always AC_REQUIREd,
   #   2) to ensure that for each occurrence of
   #        AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
   #      or
   #        AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
   #      the corresponding gnulib module description has 'extensions' among
   #      its dependencies. This will ensure that the gl_USE_SYSTEM_EXTENSIONS
   #      invocation occurs in gl_EARLY, not in gl_INIT.
   
 # AC_USE_SYSTEM_EXTENSIONS  # AC_USE_SYSTEM_EXTENSIONS
 # ------------------------  # ------------------------
 # Enable extensions on systems that normally disable them,  # Enable extensions on systems that normally disable them,
 # typically due to standards-conformance issues.  # typically due to standards-conformance issues.
   #
 # Remember that #undef in AH_VERBATIM gets replaced with #define by  # Remember that #undef in AH_VERBATIM gets replaced with #define by
 # AC_DEFINE.  The goal here is to define all known feature-enabling  # AC_DEFINE.  The goal here is to define all known feature-enabling
 # macros, then, if reports of conflicts are made, disable macros that  # macros, then, if reports of conflicts are made, disable macros that
Line 24  AC_DEFUN_ONCE([AC_USE_SYSTEM_EXTENSIONS], Line 39  AC_DEFUN_ONCE([AC_USE_SYSTEM_EXTENSIONS],
 [AC_BEFORE([$0], [AC_COMPILE_IFELSE])dnl  [AC_BEFORE([$0], [AC_COMPILE_IFELSE])dnl
 AC_BEFORE([$0], [AC_RUN_IFELSE])dnl  AC_BEFORE([$0], [AC_RUN_IFELSE])dnl
   
   AC_REQUIRE([AC_CANONICAL_HOST])  
   
   AC_CHECK_HEADER([minix/config.h], [MINIX=yes], [MINIX=])    AC_CHECK_HEADER([minix/config.h], [MINIX=yes], [MINIX=])
   if test "$MINIX" = yes; then    if test "$MINIX" = yes; then
     AC_DEFINE([_POSIX_SOURCE], [1],      AC_DEFINE([_POSIX_SOURCE], [1],
      [Define to 1 if you need to in order for `stat' and other      [Define to 1 if you need to in order for 'stat' and other
        things to work.])         things to work.])
     AC_DEFINE([_POSIX_1_SOURCE], [2],      AC_DEFINE([_POSIX_1_SOURCE], [2],
       [Define to 2 if the system does not provide POSIX.1 features        [Define to 2 if the system does not provide POSIX.1 features
        except with this defined.])         except with this defined.])
     AC_DEFINE([_MINIX], [1],      AC_DEFINE([_MINIX], [1],
       [Define to 1 if on MINIX.])        [Define to 1 if on MINIX.])
       AC_DEFINE([_NETBSD_SOURCE], [1],
         [Define to 1 to make NetBSD features available.  MINIX 3 needs this.])
   fi    fi
   
  dnl HP-UX 11.11 defines mbstate_t only if _XOPEN_SOURCE is defined to 500,dnl Use a different key than __EXTENSIONS__, as that name broke existing
  dnl regardless of whether the flags -Ae or _D_HPUX_SOURCE=1 are alreadydnl configure.ac when using autoheader 2.62.
  dnl provided.  AH_VERBATIM([USE_SYSTEM_EXTENSIONS],
  case "$host_os" in 
    hpux*) 
      AC_DEFINE([_XOPEN_SOURCE], [500], 
        [Define to 500 only on HP-UX.]) 
      ;; 
  esac 
 
  AH_VERBATIM([__EXTENSIONS__], 
 [/* Enable extensions on AIX 3, Interix.  */  [/* Enable extensions on AIX 3, Interix.  */
 #ifndef _ALL_SOURCE  #ifndef _ALL_SOURCE
 # undef _ALL_SOURCE  # undef _ALL_SOURCE
 #endif  #endif
   /* Enable general extensions on macOS.  */
   #ifndef _DARWIN_C_SOURCE
   # undef _DARWIN_C_SOURCE
   #endif
 /* Enable GNU extensions on systems that have them.  */  /* Enable GNU extensions on systems that have them.  */
 #ifndef _GNU_SOURCE  #ifndef _GNU_SOURCE
 # undef _GNU_SOURCE  # undef _GNU_SOURCE
 #endif  #endif
   /* Enable NetBSD extensions on NetBSD.  */
   #ifndef _NETBSD_SOURCE
   # undef _NETBSD_SOURCE
   #endif
   /* Enable OpenBSD extensions on NetBSD.  */
   #ifndef _OPENBSD_SOURCE
   # undef _OPENBSD_SOURCE
   #endif
 /* Enable threading extensions on Solaris.  */  /* Enable threading extensions on Solaris.  */
 #ifndef _POSIX_PTHREAD_SEMANTICS  #ifndef _POSIX_PTHREAD_SEMANTICS
 # undef _POSIX_PTHREAD_SEMANTICS  # undef _POSIX_PTHREAD_SEMANTICS
 #endif  #endif
   /* Enable extensions specified by ISO/IEC TS 18661-5:2014.  */
   #ifndef __STDC_WANT_IEC_60559_ATTRIBS_EXT__
   # undef __STDC_WANT_IEC_60559_ATTRIBS_EXT__
   #endif
   /* Enable extensions specified by ISO/IEC TS 18661-1:2014.  */
   #ifndef __STDC_WANT_IEC_60559_BFP_EXT__
   # undef __STDC_WANT_IEC_60559_BFP_EXT__
   #endif
   /* Enable extensions specified by ISO/IEC TS 18661-2:2015.  */
   #ifndef __STDC_WANT_IEC_60559_DFP_EXT__
   # undef __STDC_WANT_IEC_60559_DFP_EXT__
   #endif
   /* Enable extensions specified by ISO/IEC TS 18661-4:2015.  */
   #ifndef __STDC_WANT_IEC_60559_FUNCS_EXT__
   # undef __STDC_WANT_IEC_60559_FUNCS_EXT__
   #endif
   /* Enable extensions specified by ISO/IEC TS 18661-3:2015.  */
   #ifndef __STDC_WANT_IEC_60559_TYPES_EXT__
   # undef __STDC_WANT_IEC_60559_TYPES_EXT__
   #endif
   /* Enable extensions specified by ISO/IEC TR 24731-2:2010.  */
   #ifndef __STDC_WANT_LIB_EXT2__
   # undef __STDC_WANT_LIB_EXT2__
   #endif
   /* Enable extensions specified by ISO/IEC 24747:2009.  */
   #ifndef __STDC_WANT_MATH_SPEC_FUNCS__
   # undef __STDC_WANT_MATH_SPEC_FUNCS__
   #endif
 /* Enable extensions on HP NonStop.  */  /* Enable extensions on HP NonStop.  */
 #ifndef _TANDEM_SOURCE  #ifndef _TANDEM_SOURCE
 # undef _TANDEM_SOURCE  # undef _TANDEM_SOURCE
 #endif  #endif
   /* Enable X/Open extensions if necessary.  HP-UX 11.11 defines
      mbstate_t only if _XOPEN_SOURCE is defined to 500, regardless of
      whether compiling with -Ae or -D_HPUX_SOURCE=1.  */
   #ifndef _XOPEN_SOURCE
   # undef _XOPEN_SOURCE
   #endif
   /* Enable X/Open compliant socket functions that do not require linking
      with -lxnet on HP-UX 11.11.  */
   #ifndef _HPUX_ALT_XOPEN_SOCKET_API
   # undef _HPUX_ALT_XOPEN_SOCKET_API
   #endif
 /* Enable general extensions on Solaris.  */  /* Enable general extensions on Solaris.  */
 #ifndef __EXTENSIONS__  #ifndef __EXTENSIONS__
 # undef __EXTENSIONS__  # undef __EXTENSIONS__
Line 74  AC_BEFORE([$0], [AC_RUN_IFELSE])dnl Line 132  AC_BEFORE([$0], [AC_RUN_IFELSE])dnl
     [ac_cv_safe_to_define___extensions__],      [ac_cv_safe_to_define___extensions__],
     [AC_COMPILE_IFELSE(      [AC_COMPILE_IFELSE(
        [AC_LANG_PROGRAM([[         [AC_LANG_PROGRAM([[
#         define __EXTENSIONS__ 1#         define __EXTENSIONS__ 1
          ]AC_INCLUDES_DEFAULT])],          ]AC_INCLUDES_DEFAULT])],
        [ac_cv_safe_to_define___extensions__=yes],         [ac_cv_safe_to_define___extensions__=yes],
        [ac_cv_safe_to_define___extensions__=no])])         [ac_cv_safe_to_define___extensions__=no])])
   test $ac_cv_safe_to_define___extensions__ = yes &&    test $ac_cv_safe_to_define___extensions__ = yes &&
     AC_DEFINE([__EXTENSIONS__])      AC_DEFINE([__EXTENSIONS__])
   AC_DEFINE([_ALL_SOURCE])    AC_DEFINE([_ALL_SOURCE])
     AC_DEFINE([_DARWIN_C_SOURCE])
   AC_DEFINE([_GNU_SOURCE])    AC_DEFINE([_GNU_SOURCE])
     AC_DEFINE([_NETBSD_SOURCE])
     AC_DEFINE([_OPENBSD_SOURCE])
   AC_DEFINE([_POSIX_PTHREAD_SEMANTICS])    AC_DEFINE([_POSIX_PTHREAD_SEMANTICS])
     AC_DEFINE([__STDC_WANT_IEC_60559_ATTRIBS_EXT__])
     AC_DEFINE([__STDC_WANT_IEC_60559_BFP_EXT__])
     AC_DEFINE([__STDC_WANT_IEC_60559_DFP_EXT__])
     AC_DEFINE([__STDC_WANT_IEC_60559_FUNCS_EXT__])
     AC_DEFINE([__STDC_WANT_IEC_60559_TYPES_EXT__])
     AC_DEFINE([__STDC_WANT_LIB_EXT2__])
     AC_DEFINE([__STDC_WANT_MATH_SPEC_FUNCS__])
   AC_DEFINE([_TANDEM_SOURCE])    AC_DEFINE([_TANDEM_SOURCE])
     AC_CACHE_CHECK([whether _XOPEN_SOURCE should be defined],
       [ac_cv_should_define__xopen_source],
       [ac_cv_should_define__xopen_source=no
        AC_COMPILE_IFELSE(
          [AC_LANG_PROGRAM([[
             #include <wchar.h>
             mbstate_t x;]])],
          [],
          [AC_COMPILE_IFELSE(
             [AC_LANG_PROGRAM([[
                #define _XOPEN_SOURCE 500
                #include <wchar.h>
                mbstate_t x;]])],
             [ac_cv_should_define__xopen_source=yes])])])
     test $ac_cv_should_define__xopen_source = yes &&
       AC_DEFINE([_XOPEN_SOURCE], [500])
     AC_DEFINE([_HPUX_ALT_XOPEN_SOCKET_API])
 ])# AC_USE_SYSTEM_EXTENSIONS  ])# AC_USE_SYSTEM_EXTENSIONS
   
 # gl_USE_SYSTEM_EXTENSIONS  # gl_USE_SYSTEM_EXTENSIONS
Removed from v.1.1.1.1  
changed lines
  Added in v.1.1.1.3

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