# Macro to test for OS X Frameworks.

# Taken from: http://lists.apple.com/archives/unix-porting/2009/Jan/msg00029.html

# Retrieved on 24-10-2013.

# Original Author: Peter O'Gorman.

#

# Example Usage:

#   AX_CHECK_FRAMEWORK([IOKit])

# Defines:

#   HAVE_FRAMEWORK_IOKIT in config.h

# And substitutes in your Makefiles.

#   FRAMEWORK_IOKIT="-framework IOKit"

m4_defun([AX_CHECK_FRAMEWORK],

  [AC_CACHE_CHECK([if -framework ]$1[ works],[my_cv_framework_]$1,

     [save_LIBS="$LIBS"

     LIBS="$LIBS -framework ]$1["

     AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],

             [my_cv_framework_]$1[=yes],

            [my_cv_framework_]$1[=no])

    ])

   LIBS="$save_LIBS"

   if test "$my_cv_framework_]$1["="yes"; then

       AC_DEFINE(AS_TR_CPP([HAVE_FRAMEWORK_]$1),1,

            [Define if you have the ] $1 [ framework])

   AS_TR_CPP([FRAMEWORK_]$1)="-framework ]$1["

   AC_SUBST([FRAMEWORK_]AS_TR_CPP($1))

   fi])