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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 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.
Noah Slater <nslater@bytesexual.org> and Francesco Salvestrini <salvestrini@sourceforge.net>.
2007-11-28
AC_DEFUN([AX_PATH_MISSING], [ AC_PATH_PROG([$1], [$2], [$4]) AS_IF([ test -z "$1" ],[ AX_MISSING_PROG([$1],[$2],[$3]) ]) ])
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