76 lines
2.3 KiB
Plaintext
76 lines
2.3 KiB
Plaintext
# ===========================================================================
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# http://autoconf-archive.cryp.to/ax_with_prog.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_WITH_PROG([VARIABLE],[program],[VALUE-IF-NOT-FOUND],[PATH])
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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 precious
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# variable VARIABLE. Accepts a present VARIABLE, then --with-program, and
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# failing that searches for program in the given path (which defaults to
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# the system path). If program is found, VARIABLE is set to the full path
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# of the binary; if it is not found VARIABLE is set to VALUE-IF-NOT-FOUND
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# if provided, unchanged otherwise.
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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 from
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# 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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# 2008-05-05
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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 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.
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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([VALUE_IF_NOT_FOUND],$3)
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pushdef([PATH_PROG],$4)
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AC_ARG_VAR(VARIABLE,Absolute path to EXECUTABLE executable)
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AS_IF(test -z "$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 "$withval" != "yes" -a "$withval" != "no"],[
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VARIABLE="$withval"
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AC_MSG_RESULT($VARIABLE)
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],[
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AS_IF([test "$withval" = "no"],[
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VARIABLE="VALUE_IF_NOT_FOUND"
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],[
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VARIABLE=""
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])
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AC_MSG_RESULT([no])
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])
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],[
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AC_MSG_RESULT([no])
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])
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AS_IF(test -z "$VARIABLE" -a "$withval" != "no",[
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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([PATH_PROG])
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popdef([VALUE_IF_NOT_FOUND])
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popdef([EXECUTABLE])
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popdef([VARIABLE])
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])
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