319 lines
7.8 KiB
Text
319 lines
7.8 KiB
Text
dnl
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dnl RCSid:
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dnl $Id: configure.in,v 1.7 2008/03/09 19:54:29 joerg 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_INIT(makefile.boot.in)
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AC_CONFIG_HEADER(config.h)
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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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dnl
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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 Check for OS problems
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AC_AIX
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AC_MINIX
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AC_ISC_POSIX
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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 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( \
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ar.h \
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fcntl.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/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_OFF_T
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AC_TYPE_PID_T
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AC_TYPE_SIZE_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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asprintf \
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emalloc \
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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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putenv \
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select \
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setenv \
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sigaction \
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sigvec \
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snprintf \
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strdup \
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estrndup \
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strndup \
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strerror \
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strftime \
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strtod \
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strtol \
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unsetenv \
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vasprintf \
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vsnprintf \
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wait3 \
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wait4 \
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waitpid \
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)
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dnl AC_REPLACE_FUNCS(setenv getenv)
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AC_REPLACE_FUNCS(getenv)
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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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dnl we want this for unit-tests/Makefile
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echo $ECHO_N "checking if diff -u works... $ECHO_C" >&6
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if diff -u /dev/null /dev/null > /dev/null 2>&1; then
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diff_u=-u
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echo yes >&6
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else
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diff_u=
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echo no >&6
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fi
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dnl
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dnl
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dnl Solaris's signal.h only privides sigset_t etc if one of
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dnl _EXTENSIONS_ _POSIX_C_SOURCE or _XOPEN_SOURCE are defined.
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dnl The later two seem to cause more problems than they solve so if we
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dnl see _EXTENSIONS_ we use it.
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dnl Note we _don't_ want AC_EGREP_HEADER as we don't want CPP involved.
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dnl
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AC_EGREP(__EXTENSIONS__, /usr/include/signal.h,
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CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__",)
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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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for mksrc in $mksrc $srcdir/mk $srcdir/../mk mk
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do
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test -s $mksrc/install-mk && 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_OUTPUT(Makefile makefile.boot lst.lib/makefile.boot unit-tests/Makefile)
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cat <<EOF
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You can now run
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make -f makefile.boot bootstrap
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to produce a fully functional bmake. You can then use:
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make -f makefile.boot install
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for an initial installation. If you already have macros installed
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you can use:
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./bmake -f Makefile
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to install etc.
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EOF
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