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43 lines
1.4 KiB
Plaintext
Executable File
43 lines
1.4 KiB
Plaintext
Executable File
# ===========================================================================
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# https://www.gnu.org/software/autoconf-archive/ax_path_missing.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_PATH_MISSING(VARIABLE, PROG-TO-CHECK-FOR, WARNING-IF-NOT-FOUND, PATH)
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#
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# DESCRIPTION
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#
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# Check whether program PROG-TO-CHECK-FOR exists in path. If it is found,
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# set VARIABLE to the full path of PROG-TO-CHECK-FOR, otherwise warn using
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# the string WARNING-IF-NOT-FOUND and set VARIABLE to the full path of the
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# Automake missing script with PROG-TO-CHECK-FOR as the command to run.
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#
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# A typical use is the following:
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#
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# AX_PATH_MISSING([AUTOGEN],[autogen],[autogen seems missing ...])
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#
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# This macro is the combination of AC_PATH_PROG and AX_MISSING_PROG. If
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# you do not want to run AC_PATH_PROG, simply use AX_MISSING_PROG or
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# AM_MISSING.
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#
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# LICENSE
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#
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# Copyright (c) 2008 Noah Slater <nslater@bytesexual.org>
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# Copyright (c) 2008 Francesco Salvestrini <salvestrini@sourceforge.net>
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#
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# Copying and distribution of this file, with or without modification, are
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# permitted in any medium without royalty provided the copyright notice
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# and this notice are preserved. This file is offered as-is, without any
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# warranty.
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#serial 12
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AC_DEFUN([AX_PATH_MISSING], [
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AC_PATH_PROG([$1],[$2],[$4])
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AS_IF([ test -z "${$1}" ],[
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unset $1
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AX_MISSING_PROG([$1],[$2],[$3])
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])
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])
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