73 lines
2.1 KiB
Plaintext
73 lines
2.1 KiB
Plaintext
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# -*- Autoconf -*-
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# Process this file with autoconf to produce a configure script.
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AC_PREREQ(2.50)
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AC_INIT(GNU Autoconf, 2.52, bug-autoconf@gnu.org)
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AC_CONFIG_SRCDIR(acgeneral.m4)
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AC_CONFIG_AUX_DIR(config)
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AM_INIT_AUTOMAKE(autoconf, 2.52)
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# Initialize the test suite.
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AT_CONFIG(..)
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AC_PATH_PROG(EXPR, expr)
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# We use a path for GNU m4 so even if users have another m4 first in
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# their path, the installer can configure with a path that has GNU m4
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# first and get that path embedded in the installed autoconf and
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# autoheader scripts.
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AC_PROG_GNU_M4
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if test x"$ac_cv_prog_gnu_m4" != xyes; then
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AC_MSG_ERROR([GNU m4 1.4 is required])
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fi
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# This is needed because Automake does not seem to realize there is
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# a AC-SUBST inside AC-PROG-GNU-M4. Grmph!
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AC_SUBST(M4)
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# `autoconf' and `ifnames' use AWK. And we need decent RE support.
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AC_PROG_AWK
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# Some AWK fail
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if echo xfoo | $AWK '/foo|^bar$/ { print }' | grep xfoo >/dev/null; then :; else
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AC_MSG_ERROR([the regex engine of $AWK is too broken to be used
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you might want to install GNU AWK])
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fi
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# Generating man pages.
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AM_MISSING_PROG(HELP2MAN, help2man)
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# We use a path for perl so the #! line in autoscan will work.
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AC_PATH_PROG(PERL, perl, no)
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AC_SUBST(PERL)dnl
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AC_SUBST(PERLSCRIPTS)dnl
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if test "$PERL" != no; then
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PERLSCRIPTS="autoscan autoupdate"
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else
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AC_MSG_WARN([autoscan and autoupdate will not be built since perl is not found])
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fi
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AC_PROG_INSTALL
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# Automake can't see inner AC_SUBSTS (`aclocal' is bypassed), so we tag the
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# AC_SUBSTS here too.
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AC_SUBST(PACKAGE_NAME)
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AC_SUBST(PACKAGE)
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AC_SUBST(VERSION)
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AC_CONFIG_FILES(Makefile m4/Makefile man/Makefile doc/Makefile config/Makefile
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tests/Makefile tests/atconfig)
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AC_OUTPUT
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# Report the state of this version of Autoconf if this is a beta.
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case AC_PACKAGE_VERSION in
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*[[a-z]]*)
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cat <<EOF
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You are about to use an experimental version of Autoconf. Be sure to
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read the relevant mailing lists, most importantly <autoconf@gnu.org>.
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Below you will find information on the status of this version of Autoconf.
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EOF
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sed -n '/^\* Status/,$p' $srcdir/BUGS;;
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esac
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