400 lines
9.8 KiB
Plaintext
400 lines
9.8 KiB
Plaintext
dnl
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dnl RCSid:
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dnl $Id: configure.in,v 1.57 2016/06/07 00:49:44 sjg Exp $
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dnl
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dnl Process this file with autoconf to produce a configure script
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dnl
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AC_PREREQ(2.50)
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AC_INIT([bmake], [20160606], [sjg@NetBSD.org])
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AC_CONFIG_HEADERS(config.h)
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dnl make srcdir absolute
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case "$srcdir" in
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/*) ;;
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*) srcdir=`cd $srcdir && pwd`;;
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esac
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dnl
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AC_ARG_WITH(defshell,
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[ --with-defshell=SHELL use SHELL by default - must be sh compatible, use sh or ksh to pick the internal definitions],
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[case "${withval}" in
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yes) AC_MSG_ERROR(bad value ${withval} given for bmake DEFSHELL) ;;
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no) ;;
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*) case "$with_defshell" in
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sh) DEFSHELL_INDEX=DEFSHELL_INDEX_SH;; # it's the default anyway
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ksh) DEFSHELL_INDEX=DEFSHELL_INDEX_KSH;;
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csh) DEFSHELL_INDEX=DEFSHELL_INDEX_CSH;; # kidding right?
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*) defshell_path=$with_defshell;; # better be sh compatible!
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esac
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;;
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esac])
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dnl
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use_meta=yes
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AC_ARG_WITH(meta,
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[ --without-meta dissable use of meta-mode],
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[case "${withval}" in
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yes|no) use_meta=${withval};;
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*) AC_MSG_ERROR(bad value ${withval} given for meta) ;;
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esac])
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dnl
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AC_ARG_WITH(filemon,
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[ --with-filemon=path/filemon.h indicate path to filemon.h for meta-mode],
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[ case "/${withval}" in
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/no|*/filemon.h) filemon_h="${withval}";;
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*/filemon*) filemon_h="${withval}/filemon.h";;
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*) AC_MSG_ERROR(bad value ${withval} given for filemon) ;;
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esac],
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[
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OS=`uname -s`
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for d in "/usr/include/dev/filemon" "$prefix/include/dev/filemon" "$srcdir/filemon" "$srcdir/../filemon" "$srcdir/../../sys/dev/filemon"
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do
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for x in "/$OS" ""
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do
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filemon_h="$d$x/filemon.h"
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test -s "$filemon_h" && break
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done
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test -s "$filemon_h" && break
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done
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test -s "${filemon_h:-/dev/null}" || filemon_h=no
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])
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dnl echo "Note: use_meta=$use_meta filemon_h=$filemon_h" >&6
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case "$use_meta" in
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yes)
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case "$filemon_h" in
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*.h) echo "Using: filemon=$filemon_h" >&6;;
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esac
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;;
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esac
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dnl
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dnl Check for OS problems
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dnl Solaris's signal.h only privides sigset_t etc if one of
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dnl _EXTENSIONS_ _POSIX_C_SOURCE or _XOPEN_SOURCE are defined.
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dnl The later two seem to cause more problems than they solve so if we
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dnl see _EXTENSIONS_ we use it.
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AC_USE_SYSTEM_EXTENSIONS
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dnl Checks for programs.
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AC_PROG_CC
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AC_PROG_GCC_TRADITIONAL
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AC_PROG_INSTALL
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dnl Executable suffix - normally empty; .exe on os2.
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AC_SUBST(ac_exe_suffix)dnl
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dnl
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dnl Hurd refuses to define PATH_MAX or MAXPATHLEN
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if test -x /usr/bin/getconf; then
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bmake_path_max=`getconf PATH_MAX / 2> /dev/null`
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# only a numeric response is useful
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test ${bmake_path_max:-0} -gt 0 2> /dev/null || bmake_path_max=
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fi
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bmake_path_max=${bmake_path_max:-1024}
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if test $bmake_path_max -gt 1024; then
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# this is all we expect
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bmake_path_max=1024
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fi
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echo "Using: BMAKE_PATH_MAX=$bmake_path_max" >&6
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AC_SUBST(bmake_path_max)dnl
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dnl
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dnl AC_C_CROSS
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dnl
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dnl Checks for header files.
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AC_HEADER_STDC
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AC_HEADER_SYS_WAIT
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AC_HEADER_DIRENT
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dnl Keep this list sorted
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AC_CHECK_HEADERS(sys/param.h)
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dnl On BSDi at least we really need sys/param.h for sys/sysctl.h
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AC_CHECK_HEADERS([sys/sysctl.h], [], [],
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[#ifdef HAVE_SYS_PARAM_H
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# include <sys/param.h>
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# endif
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])
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AC_CHECK_HEADERS( \
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ar.h \
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err.h \
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fcntl.h \
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libgen.h \
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limits.h \
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paths.h \
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poll.h \
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ranlib.h \
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string.h \
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sys/mman.h \
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sys/select.h \
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sys/socket.h \
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sys/time.h \
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sys/uio.h \
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unistd.h \
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utime.h \
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)
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dnl Both *BSD and Linux have sys/cdefs.h, most do not.
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dnl If it is missing, we add -I${srcdir}/missing to CFLAGS
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dnl also if sys/cdefs.h does not have __RCSID we need to use ours
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dnl but we need to include the host's one too *sigh*
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AC_CHECK_HEADER(sys/cdefs.h,
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echo $ECHO_N "checking whether sys/cdefs.h is compatible... $ECHO_C" >&6
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AC_EGREP_CPP(yes,
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[#include <sys/cdefs.h>
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#ifdef __RCSID
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yes
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#endif
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],
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echo yes >&6,
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echo no >&6; CPPFLAGS="${CPPFLAGS} -I`cd ${srcdir}/missing && pwd` -DNEED_HOST_CDEFS_H"),
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CPPFLAGS="${CPPFLAGS} -I`cd ${srcdir}/missing && pwd`")
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dnl Checks for typedefs, structures, and compiler characteristics.
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AC_C___ATTRIBUTE__
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AC_C_BIGENDIAN
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AC_C_CONST
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AC_TYPE_MODE_T
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AC_TYPE_OFF_T
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AC_TYPE_PID_T
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AC_TYPE_SIZE_T
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AC_TYPE_UINT32_T
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AC_DECL_SYS_SIGLIST
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AC_HEADER_TIME
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AC_STRUCT_TM
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dnl Checks for library functions.
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AC_TYPE_SIGNAL
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AC_FUNC_VFORK
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AC_FUNC_VPRINTF
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AC_FUNC_WAIT3
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dnl Keep this list sorted
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AC_CHECK_FUNCS( \
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err \
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errx \
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getcwd \
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getenv \
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getopt \
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getwd \
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killpg \
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mmap \
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putenv \
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select \
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setenv \
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setpgid \
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setsid \
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sigaction \
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sigvec \
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snprintf \
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strerror \
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strftime \
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strsep \
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strtod \
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strtol \
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sysctl \
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unsetenv \
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vsnprintf \
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wait3 \
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wait4 \
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waitpid \
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warn \
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warnx \
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)
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dnl functions which we may need to provide
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AC_REPLACE_FUNCS( \
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realpath \
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dirname \
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stresep \
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strlcpy \
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)
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AC_CHECK_LIB([util], [emalloc],
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[ AC_CHECK_LIB([util], [erealloc],
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[ AC_CHECK_LIB([util], [estrdup],
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[ AC_CHECK_LIB([util], [estrndup],
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[ LIBS="$LIBS -lutil"
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CPPFLAGS="$CPPFLAGS -DUSE_EMALLOC" ])])])])
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dnl
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dnl Structures
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dnl
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AC_HEADER_STAT
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AC_STRUCT_ST_RDEV
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dnl
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echo "checking if compiler supports __func__" >&6
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AC_LANG(C)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[[const char *func = __func__;]])],,
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AC_DEFINE(__func__, __FUNCTION__, C99 function name))
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dnl
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dnl we want this for unit-tests/Makefile
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echo $ECHO_N "checking if diff -u works... $ECHO_C" >&6
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if diff -u /dev/null /dev/null > /dev/null 2>&1; then
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diff_u=-u
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echo yes >&6
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else
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diff_u=
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echo no >&6
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fi
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dnl
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dnl AC_* don't quite cut it.
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dnl
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echo "checking for MACHINE & MACHINE_ARCH..." >&6
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cat > conftest.$ac_ext <<EOF
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#include "confdefs.h"
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#include <sys/param.h>
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#ifdef MACHINE
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machine=MACHINE
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#endif
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#ifdef MACHINE_ARCH
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machine_arch=MACHINE_ARCH
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#endif
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EOF
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default_machine=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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egrep machine= | tr -d ' "'`
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rm -rf conftest*
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if test "$default_machine"; then
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eval "$default_machine"
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fi
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machine=${machine:-`$srcdir/machine.sh`}
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machine_arch=${machine_arch:-`$srcdir/machine.sh arch`}
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echo "defaults: MACHINE=$machine, MACHINE_ARCH=$machine_arch" 1>&6
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dnl
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dnl now allow overrides
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dnl
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AC_ARG_WITH(machine,
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[ --with-machine=MACHINE explicitly set MACHINE],
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[case "${withval}" in
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yes) AC_MSG_ERROR(bad value ${withval} given for bmake MACHINE) ;;
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no) ;;
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generic) machine=`$srcdir/machine.sh`;;
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*) machine=$with_machine;;
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esac])
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force_machine=
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AC_ARG_WITH(force_machine,
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[ --with-force-machine=MACHINE set FORCE_MACHINE],
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[case "${withval}" in
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yes) force_machine=FORCE_;;
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no) ;;
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*) force_machine=FORCE_; machine=$with_force_machine;;
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esac])
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dnl
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force_machine_arch=
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AC_ARG_WITH(force_machine_arch,
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[ --with-force-machine-arch=MACHINE set FORCE_MACHINE_ARCH],
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[case "${withval}" in
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yes) force_machine_arch=FORCE_;;
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no) ;;
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*) force_machine_arch=FORCE_; machine_arch=$with_force_machine;;
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esac])
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dnl
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AC_ARG_WITH(machine_arch,
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[ --with-machine_arch=MACHINE_ARCH explicitly set MACHINE_ARCH],
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[case "${withval}" in
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yes) AC_MSG_ERROR(bad value ${withval} given for bmake MACHINE_ARCH) ;;
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no) ;;
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*) machine_arch=$with_machine_arch;;
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esac])
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dnl
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dnl Tell them what we ended up with
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dnl
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echo "Using: ${force_machine}MACHINE=$machine, MACHINE_ARCH=$machine_arch" 1>&6
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dnl
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dnl Allow folk to control _PATH_DEFSYSPATH
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dnl
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default_sys_path=\${prefix}/share/mk
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AC_ARG_WITH(default-sys-path,
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[ --with-default-sys-path=PATH:DIR:LIST use an explicit _PATH_DEFSYSPATH
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MAKESYSPATH is a ':' separated list of directories
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that bmake will search for system .mk files.
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_PATH_DEFSYSPATH is its default value.],
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[case "${withval}" in
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yes) AC_MSG_ERROR(bad value ${withval} given for bmake _PATH_DEFSYSPATH) ;;
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no) ;;
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*) default_sys_path="$with_default_sys_path"
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;;
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esac])
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dnl
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dnl Some folk don't like this one
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dnl
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AC_ARG_WITH(path-objdirprefix,
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[ --with-path-objdirprefix=PATH override _PATH_OBJDIRPREFIX],
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[case "${withval}" in
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yes) AC_MSG_ERROR(bad value ${withval} given for bmake _PATH_OBJDIRPREFIX) ;;
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no) CPPFLAGS="$CPPFLAGS -DNO_PATH_OBJDIRPREFIX" ;;
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*) CPPFLAGS="$CPPFLAGS \"-D_PATH_OBJDIRPREFIX=\\\"$with_path-objdir\\\"\"" ;;
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esac])
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dnl
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dnl And this can be handy to do with out.
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dnl
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AC_ARG_ENABLE(pwd-override,
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[ --disable-pwd-override disable \$PWD overriding getcwd()],
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[case "${enableval}" in
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yes) ;;
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no) CPPFLAGS="$CPPFLAGS -DNO_PWD_OVERRIDE" ;;
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*) AC_MSG_ERROR(bad value ${enableval} given for pwd-override option) ;;
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esac])
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dnl
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dnl Just for grins
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dnl
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AC_ARG_ENABLE(check-make-chdir,
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[ --disable-check-make-chdir disable make trying to guess
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when it should automatically cd \${.CURDIR}],
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[case "${enableval}" in
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yes) ;;
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no) CPPFLAGS="$CPPFLAGS -DNO_CHECK_MAKE_CHDIR" ;;
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*) AC_MSG_ERROR(bad value ${enableval} given for check-make-chdir option) ;;
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esac])
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dnl
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dnl On non-BSD systems, bootstrap won't work without mk
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dnl
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AC_ARG_WITH(mksrc,
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[ --with-mksrc=PATH tell makefile.boot where to find mk src],
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[case "${withval}" in
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""|yes|no) ;;
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*) test -s $withval/install-mk && mksrc=$withval ||
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AC_MSG_ERROR(bad value ${withval} given for mksrc cannot find install-mk)
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;;
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esac
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])
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dnl
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dnl Now make sure we have a value
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dnl
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srcdir=`cd $srcdir && pwd`
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for mksrc in $mksrc $srcdir/mk $srcdir/../mk mk
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do
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test -s $mksrc/install-mk || continue
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mksrc=`cd $mksrc && pwd`
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break
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done
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mksrc=`echo $mksrc | sed "s,$srcdir,\\\${srcdir},"`
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echo "Using: MKSRC=$mksrc" 1>&6
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dnl On some systems we want a different default shell by default
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if test -x /usr/xpg4/bin/sh; then
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defshell_path=${defshell_path:-/usr/xpg4/bin/sh}
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fi
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if test -n "$defshell_path"; then
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echo "Using: SHELL=$defshell_path" >&6
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AC_DEFINE_UNQUOTED(DEFSHELL_CUSTOM, "$defshell_path", Path of default shell)
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fi
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if test -n "$DEFSHELL_INDEX"; then
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AC_DEFINE_UNQUOTED(DEFSHELL_INDEX, $DEFSHELL_INDEX, Shell spec to use by default)
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fi
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dnl
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AC_SUBST(machine)
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AC_SUBST(force_machine)
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AC_SUBST(machine_arch)
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AC_SUBST(mksrc)
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AC_SUBST(default_sys_path)
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AC_SUBST(INSTALL)
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AC_SUBST(GCC)
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AC_SUBST(diff_u)
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AC_SUBST(use_meta)
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AC_SUBST(filemon_h)
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AC_OUTPUT(makefile Makefile.config make-bootstrap.sh unit-tests/Makefile)
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cat <<EOF
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You can now run
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sh ./make-bootstrap.sh
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to produce a fully functional bmake.
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EOF
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