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New module 'extensions', used by timespec and unlocked-io for portability to Solaris.
author Paul Eggert <eggert@cs.ucla.edu>
date Fri, 08 Aug 2003 20:15:52 +0000
parents
children e9c8d7f40c6c
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# gl_USE_SYSTEM_EXTENSIONS
# ------------------------
# Enable extensions on systems that normally disable them,
# typically due to standards-conformance issues.
AC_DEFUN([gl_USE_SYSTEM_EXTENSIONS], [
  AC_REQUIRE([AC_GNU_SOURCE])
  AH_VERBATIM([__EXTENSIONS__],
[/* Enable extensions on Solaris.  */
#ifndef __EXTENSIONS__
# undef __EXTENSIONS__
#endif])
  AC_BEFORE([$0], [AC_COMPILE_IFELSE])dnl
  AC_BEFORE([$0], [AC_RUN_IFELSE])dnl
  AC_DEFINE([__EXTENSIONS__])
])