diff options
author | Thomas White <taw@physics.org> | 2018-03-10 14:09:23 +0100 |
---|---|---|
committer | Thomas White <taw@physics.org> | 2018-03-10 17:50:22 +0100 |
commit | f60b18e91d983b3bc6ad3b9dcd02c26c2afed685 (patch) | |
tree | b45b78453fe728b0d712ef75cffea62bef885e3e /m4/extensions.m4 | |
parent | 2af0de620328c13e8dc9997bc95e694321409d96 (diff) |
Remove autotools
Diffstat (limited to 'm4/extensions.m4')
-rw-r--r-- | m4/extensions.m4 | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/m4/extensions.m4 b/m4/extensions.m4 deleted file mode 100644 index 0bfaef6..0000000 --- a/m4/extensions.m4 +++ /dev/null @@ -1,123 +0,0 @@ -# serial 11 -*- Autoconf -*- -# Enable extensions on systems that normally disable them. - -# Copyright (C) 2003, 2006-2012 Free Software Foundation, Inc. -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This definition of AC_USE_SYSTEM_EXTENSIONS is stolen from CVS -# Autoconf. Perhaps we can remove this once we can assume Autoconf -# 2.62 or later everywhere, but since CVS Autoconf mutates rapidly -# enough in this area it's likely we'll need to redefine -# 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 -# ------------------------ -# Enable extensions on systems that normally disable them, -# typically due to standards-conformance issues. -# Remember that #undef in AH_VERBATIM gets replaced with #define by -# AC_DEFINE. The goal here is to define all known feature-enabling -# macros, then, if reports of conflicts are made, disable macros that -# cause problems on some platforms (such as __EXTENSIONS__). -AC_DEFUN_ONCE([AC_USE_SYSTEM_EXTENSIONS], -[AC_BEFORE([$0], [AC_COMPILE_IFELSE])dnl -AC_BEFORE([$0], [AC_RUN_IFELSE])dnl - - AC_REQUIRE([AC_CANONICAL_HOST]) - - AC_CHECK_HEADER([minix/config.h], [MINIX=yes], [MINIX=]) - if test "$MINIX" = yes; then - AC_DEFINE([_POSIX_SOURCE], [1], - [Define to 1 if you need to in order for 'stat' and other - things to work.]) - AC_DEFINE([_POSIX_1_SOURCE], [2], - [Define to 2 if the system does not provide POSIX.1 features - except with this defined.]) - AC_DEFINE([_MINIX], [1], - [Define to 1 if on MINIX.]) - fi - - dnl HP-UX 11.11 defines mbstate_t only if _XOPEN_SOURCE is defined to 500, - dnl regardless of whether the flags -Ae or _D_HPUX_SOURCE=1 are already - dnl provided. - 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. */ -#ifndef _ALL_SOURCE -# undef _ALL_SOURCE -#endif -/* Enable general extensions on MacOS X. */ -#ifndef _DARWIN_C_SOURCE -# undef _DARWIN_C_SOURCE -#endif -/* Enable GNU extensions on systems that have them. */ -#ifndef _GNU_SOURCE -# undef _GNU_SOURCE -#endif -/* Enable threading extensions on Solaris. */ -#ifndef _POSIX_PTHREAD_SEMANTICS -# undef _POSIX_PTHREAD_SEMANTICS -#endif -/* Enable extensions on HP NonStop. */ -#ifndef _TANDEM_SOURCE -# undef _TANDEM_SOURCE -#endif -/* Enable general extensions on Solaris. */ -#ifndef __EXTENSIONS__ -# undef __EXTENSIONS__ -#endif -]) - AC_CACHE_CHECK([whether it is safe to define __EXTENSIONS__], - [ac_cv_safe_to_define___extensions__], - [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM([[ -# define __EXTENSIONS__ 1 - ]AC_INCLUDES_DEFAULT])], - [ac_cv_safe_to_define___extensions__=yes], - [ac_cv_safe_to_define___extensions__=no])]) - test $ac_cv_safe_to_define___extensions__ = yes && - AC_DEFINE([__EXTENSIONS__]) - AC_DEFINE([_ALL_SOURCE]) - AC_DEFINE([_DARWIN_C_SOURCE]) - AC_DEFINE([_GNU_SOURCE]) - AC_DEFINE([_POSIX_PTHREAD_SEMANTICS]) - AC_DEFINE([_TANDEM_SOURCE]) -])# AC_USE_SYSTEM_EXTENSIONS - -# gl_USE_SYSTEM_EXTENSIONS -# ------------------------ -# Enable extensions on systems that normally disable them, -# typically due to standards-conformance issues. -AC_DEFUN_ONCE([gl_USE_SYSTEM_EXTENSIONS], -[ - dnl Require this macro before AC_USE_SYSTEM_EXTENSIONS. - dnl gnulib does not need it. But if it gets required by third-party macros - dnl after AC_USE_SYSTEM_EXTENSIONS is required, autoconf 2.62..2.63 emit a - dnl warning: "AC_COMPILE_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS". - dnl Note: We can do this only for one of the macros AC_AIX, AC_GNU_SOURCE, - dnl AC_MINIX. If people still use AC_AIX or AC_MINIX, they are out of luck. - AC_REQUIRE([AC_GNU_SOURCE]) - - AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) -]) |