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c2442ee1a3
* configure.in: Check if an appropriate version of GNU m4 is installed at configure-time rather than at runtime. From Pavel Roskin <pavel_roskin@geocities.com>. Fix for autoconf/2.
43 lines
1.2 KiB
Plaintext
43 lines
1.2 KiB
Plaintext
dnl Process this file with autoconf to produce a configure script.
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AC_INIT(acgeneral.m4)
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AC_ARG_PROGRAM
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dnl We use a path for GNU m4 so even if users have another m4 first in
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dnl their path, the installer can configure with a path that has GNU m4
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dnl first and get that path embedded in the installed autoconf and
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dnl autoheader scripts.
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AC_PATH_PROGS(M4, gm4 gnum4 m4, m4)
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AC_CACHE_CHECK(whether we are using GNU m4, acac_cv_gnu_m4,
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[acac_cv_gnu_m4=no
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if test x"$M4" != x; then
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case `$M4 --help < /dev/null 2>&1` in
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*traditional*) acac_cv_gnu_m4=yes ;;
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esac
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fi])
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if test x"$acac_cv_gnu_m4" != xyes; then
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AC_ERROR([GNU m4 is required])
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fi
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AC_PROG_AWK
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dnl We use a path for perl so the #! line in autoscan will work.
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AC_PATH_PROG(PERL, perl, no)
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AC_SUBST(PERL)dnl
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AC_SUBST(SCRIPTS)dnl
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if test "$PERL" != no; then
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SCRIPTS=autoscan
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else
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AC_MSG_WARN(autoscan 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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# Work with the GNU or Cygnus source tree layout.
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if test -f $srcdir/standards.texi; then
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standards_info=standards.info standards_dvi=standards.dvi
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fi
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AC_SUBST(standards_info)dnl
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AC_SUBST(standards_dvi)dnl
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AC_OUTPUT(Makefile testsuite/Makefile)
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