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https://github.com/ceph/ceph
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70 lines
2.0 KiB
Plaintext
70 lines
2.0 KiB
Plaintext
##### http://autoconf-archive.cryp.to/ax_with_prog.html
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#
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# SYNOPSIS
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#
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# AX_PROG_WITH([VARIABLE],[program],[PATH],[VALUE-IF-NOT-FOUND])
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#
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# DESCRIPTION
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#
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# Locates an installed program binary, placing the result in the
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# precious variable VARIABLE. Accepts a present VARIABLE, then
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# --with-program, and failing that searches for program in the given
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# path (which defaults to the system path). If program is found,
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# VARIABLE is set to the full path of the binary; if it is not found,
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# VARIABLE is set to VALUE-IF-NOT-FOUND, which defaults to 'program'.
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#
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# A typical example could be the following one:
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#
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# AX_WITH_PROG(PERL,perl)
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#
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# NOTE: This macro is based upon the original AX_WITH_PYTHON macro
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# from Dustin J. Mitchell <dustin@cs.uchicago.edu>.
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#
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# LAST MODIFICATION
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#
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# 2008-01-29
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#
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# COPYLEFT
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#
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# Copyright (c) 2008 Francesco Salvestrini <salvestrini@users.sourceforge.net>
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# Copyright (c) 2008 Dustin J. Mitchell <dustin@cs.uchicago.edu>
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#
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# Copying and distribution of this file, with or without
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# modification, are permitted in any medium without royalty provided
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# the copyright notice and this notice are preserved.
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AC_DEFUN([AX_WITH_PROG],[
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AC_PREREQ([2.61])
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pushdef([VARIABLE],$1)
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pushdef([EXECUTABLE],$2)
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pushdef([PATH_PROG],$3)
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pushdef([VALUE_IF_NOT_FOUND],$4)
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AC_ARG_VAR(VARIABLE,Absolute path to EXECUTABLE executable)
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AS_IF(test -z "$VARIABLE",[
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AC_MSG_CHECKING(whether EXECUTABLE executable path has been provided)
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AC_ARG_WITH(EXECUTABLE,AS_HELP_STRING([--with-EXECUTABLE=[[[[PATH]]]]],absolute path to EXECUTABLE executable), [
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AS_IF([test "$withval" != "yes"],[
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VARIABLE="$withval"
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AC_MSG_RESULT($VARIABLE)
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],[
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VARIABLE=""
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AC_MSG_RESULT([no])
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])
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],[
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AC_MSG_RESULT([no])
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])
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AS_IF(test -z "$VARIABLE",[
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AC_PATH_PROG([]VARIABLE[],[]EXECUTABLE[],[]VALUE_IF_NOT_FOUND[],[]PATH_PROG[])
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])
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])
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popdef([VALUE_IF_NOT_FOUND])
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popdef([PATH_PROG])
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popdef([EXECUTABLE])
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popdef([VARIABLE])
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])
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