1 files changed, 77 insertions, 0 deletions
diff --git a/Build/source/libs/teckit/ax_misc.m4 b/Build/source/libs/teckit/ax_misc.m4
new file mode 100644
index 00000000000..87925886dd2
--- /dev/null
+++ b/Build/source/libs/teckit/ax_misc.m4
@@ -0,0 +1,77 @@
+#                                               -*- m4 -*-
+# Process this file with aclocal to produce a aclocal.m4 script.
+dnl $Author$
+dnl $Date$
+dnl $Revision$
+dnl
+dnl Multiple functions extending AutoConf/m4, most functions are shared among
+dnl several other m4 files. Think of it as a 'sugar'
+dnl A frozen m4sugar.m4 can be problematic
+
+# m4_error(MSG, [EXIT-STATUS])
+# -----------------------
+# Fatal the user.   
+m4_define([m4_error],
+[m4_errprintn(m4_location[: error: $1])dnl
+m4_exit(m4_if([$2],, 1, [$2]))])
+
+# m4_ifnval(COND, [IF-FALSE], [IF-TRUE])
+# -------------------------------------
+# Opposite of m4_ifval
+m4_define([m4_ifnval], [m4_if([$1], [], [$2], [$3])])
+
+# AX_PROG_LOG_VERSION
+# -----------------------
+# Logs --version information for current $ac_compiler
+AC_DEFUN([AX_PROG_LOG_VERSION],
+[ _AS_ECHO_LOG([checking for _AC_LANG compiler version])
+  ac_compiler=`set X $ac_compile; echo $[2]`
+  _AC_EVAL([$ac_compile --version >&AS_MESSAGE_LOG_FD])
+  _AC_EVAL([$ac_compile -v >&AS_MESSAGE_LOG_FD])
+  _AC_EVAL([$ac_compile -V >&AS_MESSAGE_LOG_FD])
+])
+
+# AX_PROG_ARGS(PREFIX, STRING NAME)
+# -----------------------
+AC_DEFUN([AX_PROG_ARGS],
+[ m4_ifnval([$1], [m4_error([AX_PROG_ARGS(PREFIX, STRING NAME) is missing variable 'PREFIX'.])])
+  m4_ifnval([$2], [m4_error([AX_PROG_ARGS(PREFIX, STRING NAME) is missing variable 'STRING NAME'.])])
+  AC_ARG_VAR([$1], [$2 command])
+  AC_ARG_VAR(m4_join([], [$1], [FLAGS]), [$2 flags])
+  AC_SUBST(m4_join([], [AM_], [$1], [FLAGS]), [])
+])
+
+# _AX_COMPILE_IFELSE([SUCCESS], [FAILURE])
+# -----------------------
+AC_DEFUN([_AX_COMPILE_IFELSE],
+[ _AC_COMPILE_IFELSE([], [$1], [$2])
+])
+
+# AX_MSG_YN_IFEMPTY(VARIABLE, [IF-EMPTY], [IF-NOT-EMPTY])
+# -----------------------
+AC_DEFUN([AX_MSG_YN_IFEMPTY],
+[ if test -z "$1" ; then
+    AC_MSG_RESULT([no])
+	$3
+  else
+    AC_MSG_RESULT([yes])
+	$2
+  fi
+])
+
+# AX_PROG_MSG(VARIABLE, STRING NAME)
+# -----------------------
+# Check to see $VARIABLE was set, and log $VARIABLE --version
+AC_DEFUN([AX_PROG_MSG],
+[ m4_ifnval([$2], [m4_error([AX_PROG_MSG(VARIABLE, STRING NAME) is missing variable 'STRING NAME'.])])
+  test -z "$1" && AC_MSG_FAILURE([no acceptable $2 found in \$PATH])
+  AX_PROG_LOG_VERSION
+])
+
+# AX_LANG_CONFTEST(CONTENT, ACTIONS)
+# -----------------------
+AC_DEFUN([AX_LANG_CONFTEST],
+[ AC_LANG_CONFTEST([[$1]])
+  $2
+  rm -f conftest.$ac_ext
+])