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[diderot] View of /branches/vis12/config/ax_check_framework.m4
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View of /branches/vis12/config/ax_check_framework.m4

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Revision 1685 - (download) (annotate)
Sun Jan 22 15:23:36 2012 UTC (7 years, 10 months ago) by jhr
File size: 1134 byte(s)
  Create a branch to implement things that we need for the Vis 2012 paper
dnl ax_check_framework.m4
dnl
dnl COPYRIGHT (c) 2008 John Reppy (http://cs.uchicago.edu/~jhr)
dnl All rights reserved.
dnl
dnl @synopsis AX_CHECK_FRAMEWORK(framework, [action-if-found], [action-if-not-found])
dnl
dnl This macro is similar to the AC_CHECK_LIB macro, except that it works
dnl for Mac OS X frameworks.  It checks to see if the given framework exists
dnl on the host sytem and if so prepends "-framework framework" to the FRAMEWORKS
dnl variable.
dnl 
dnl @author John Reppy <http://cs.uchicago.edu/~jhr>
dnl
AC_DEFUN([AX_CHECK_FRAMEWORK],[
  AC_REQUIRE([AC_CANONICAL_HOST])dnl
  case x"$host_os" in
    xdarwin*)
      AS_VAR_PUSHDEF([ax_Check], [ax_cv_check_$1])
      AC_CACHE_CHECK([for framework $1], [ax_Check],[
	AC_LANG_PUSH([C])
	ac_check_framework_save_LIBS=$LIBS
	LIBS="-framework $1 $LIBS"
	AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], [ax_Check="yes"], [ax_Check="no"])
	AC_LANG_POP([C])dnl
      ])
      if test x"$ax_Check" = "xyes" ; then
	m4_ifvaln([$2],[$2],[:])dnl
      else
	m4_ifvaln([$3],[$3],[:])dnl
	LIBS=$ac_check_framework_save_LIBS
      fi
      AS_VAR_POPDEF([ax_Check])dnl
    ;;
  esac
])dnl

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