1 files changed, 82 insertions, 0 deletions
diff --git a/1.4.23-rc4/autoconf/ast_ext_lib.m4 b/1.4.23-rc4/autoconf/ast_ext_lib.m4
new file mode 100644
index 000000000..07d0fddbb
--- /dev/null
+++ b/1.4.23-rc4/autoconf/ast_ext_lib.m4
@@ -0,0 +1,82 @@
+# AST_EXT_LIB_SETUP([package symbol name], [package friendly name], [package option name], [additional help text])
+
+AC_DEFUN([AST_EXT_LIB_SETUP],
+[
+$1_DESCRIP="$2"
+$1_OPTION="$3"
+AC_ARG_WITH([$3], AC_HELP_STRING([--with-$3=PATH],[use $2 files in PATH $4]),[
+case ${withval} in
+     n|no)
+     USE_$1=no
+     ;;
+     y|ye|yes)
+     $1_MANDATORY="yes"
+     ;;
+     *)
+     $1_DIR="${withval}"
+     $1_MANDATORY="yes"
+     ;;
+esac
+])
+PBX_$1=0
+AC_SUBST([$1_LIB])
+AC_SUBST([$1_INCLUDE])
+AC_SUBST([$1_DIR])
+AC_SUBST([PBX_$1])
+])
+
+# AST_EXT_LIB_CHECK([package symbol name], [package library name], [function to check], [package header], [additional LIB data], [additional INCLUDE data])
+
+AC_DEFUN([AST_EXT_LIB_CHECK],
+[
+if test "${USE_$1}" != "no"; then
+   pbxlibdir=""
+   if test "x${$1_DIR}" != "x"; then
+      if test -d ${$1_DIR}/lib; then
+      	 pbxlibdir="-L${$1_DIR}/lib"
+      else
+      	 pbxlibdir="-L${$1_DIR}"
+      fi
+   fi
+   AC_CHECK_LIB([$2], [$3], [AST_$1_FOUND=yes], [AST_$1_FOUND=no], ${pbxlibdir} $5)
+
+   if test "${AST_$1_FOUND}" = "yes"; then
+      $1_LIB="-l$2 $5"
+      $1_HEADER_FOUND="1"
+      if test "x${$1_DIR}" != "x"; then
+         $1_LIB="${pbxlibdir} ${$1_LIB}"
+	 $1_INCLUDE="-I${$1_DIR}/include"
+      fi
+      $1_INCLUDE="${$1_INCLUDE} $6"
+      saved_cppflags="${CPPFLAGS}"
+      CPPFLAGS="${CPPFLAGS} ${$1_INCLUDE}"
+      if test "x$4" != "x" ; then
+         AC_CHECK_HEADER([$4], [$1_HEADER_FOUND=1], [$1_HEADER_FOUND=0])
+      fi
+      CPPFLAGS="${saved_cppflags}"
+      if test "x${$1_HEADER_FOUND}" = "x0" ; then
+         if test -n "${$1_MANDATORY}" ;
+         then
+            AC_MSG_NOTICE([***])
+            AC_MSG_NOTICE([*** It appears that you do not have the $2 development package installed.])
+            AC_MSG_NOTICE([*** Please install it to include ${$1_DESCRIP} support, or re-run configure])
+            AC_MSG_NOTICE([*** without explicitly specifying --with-${$1_OPTION}])
+            exit 1
+         fi
+         $1_LIB=""
+         $1_INCLUDE=""
+         PBX_$1=0
+      else
+         PBX_$1=1
+         AC_DEFINE_UNQUOTED([HAVE_$1], 1, [Define to indicate the ${$1_DESCRIP} library])
+      fi
+   elif test -n "${$1_MANDATORY}";
+   then
+      AC_MSG_NOTICE([***])
+      AC_MSG_NOTICE([*** The ${$1_DESCRIP} installation on this system appears to be broken.])
+      AC_MSG_NOTICE([*** Either correct the installation, or run configure])
+      AC_MSG_NOTICE([*** without explicitly specifying --with-${$1_OPTION}])
+      exit 1
+   fi
+fi
+])