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Viewing changes to configure.ac

  • Committer: Monty
  • Date: 2008-10-23 23:49:37 UTC
  • Revision ID: mordred@palanthas.inaugust.com-20081023234937-ueil5uovlke1trow
Added impl of macro missing from old systems.

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configure.ac
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  AC_PROG_CC_C99([],[AC_MSG_ERROR([C99 support required for compiling Drizzle])])
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  C99_SUPPORT_HACK=""
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],[C99_SUPPORT_HACK="-std=gnu99"])
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AC_USE_SYSTEM_EXTENSIONS
 
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ifdef([AC_USE_SYSTEM_EXTENSIONS],[
 
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  AC_USE_SYSTEM_EXTENSIONS
 
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],[
 
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  AH_VERBATIM([__EXTENSIONS__],
 
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[/* Enable extensions on Solaris.  */
 
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#ifndef __EXTENSIONS__
 
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# undef __EXTENSIONS__
 
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#endif
 
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#ifndef _POSIX_PTHREAD_SEMANTICS
 
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# undef _POSIX_PTHREAD_SEMANTICS
 
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#endif
 
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#ifndef _TANDEM_SOURCE
 
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# undef _TANDEM_SOURCE
 
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#endif])
 
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  AC_CACHE_CHECK([whether it is safe to define __EXTENSIONS__],
 
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    [ac_cv_safe_to_define___extensions__],
 
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    [AC_COMPILE_IFELSE(
 
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       [AC_LANG_PROGRAM([
 
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#         define __EXTENSIONS__ 1
 
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          AC_INCLUDES_DEFAULT])],
 
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       [ac_cv_safe_to_define___extensions__=yes],
 
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       [ac_cv_safe_to_define___extensions__=no])])
 
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  test $ac_cv_safe_to_define___extensions__ = yes &&
 
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    AC_DEFINE([__EXTENSIONS__])
 
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  AC_DEFINE([_POSIX_PTHREAD_SEMANTICS])
 
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  AC_DEFINE([_TANDEM_SOURCE])
 
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])
 
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AC_PROG_CXX
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AC_CXX_HEADER_STDCXX_98
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if test "$ac_cv_cxx_stdcxx_98" = "no"