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AX_PATH_MISSING(VARIABLE, PROG-TO-CHECK-FOR, WARNING-IF-NOT-FOUND,
PATH)
Check whether program PROG-TO-CHECK-FOR exists in path. If it is found, set VARIABLE to the full path of PROG-TO-CHECK-FOR, otherwise warn using the string WARNING-IF-NOT-FOUND and set VARIABLE to the full path of the Automake missing script with PROG-TO-CHECK-FOR as the command to run.
A typical use is the following:
AX_PATH_MISSING([AUTOGEN],[autogen],[autogen seems missing ...])
This macro is the combination of AC_PATH_PROG and AX_MISSING_PROG. If you do not want to run AC_PATH_PROG, simply use AX_MISSING_PROG or AM_MISSING.
http://autoconf-archive.cryp.to/ax_path_missing.m4
Copyright © 2008 Noah Slater <nslater@bytesexual.org>
Copyright © 2008 Francesco Salvestrini
<salvestrini@sourceforge.net>
Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.