freebsd-dev/contrib/bmake/configure.in
Simon J. Gerraty 5bcb74248e Update to bmake-20140620
Main change is detection of malformed variable references.

Reviewed by:	obrien
2014-07-08 22:27:50 +00:00

387 lines
9.5 KiB
Plaintext

dnl
dnl RCSid:
dnl $Id: configure.in,v 1.52 2014/02/15 22:27:59 sjg Exp $
dnl
dnl Process this file with autoconf to produce a configure script
dnl
AC_PREREQ(2.50)
AC_INIT([bmake], [20140214], [sjg@NetBSD.org])
AC_CONFIG_HEADERS(config.h)
dnl make srcdir absolute
case "$srcdir" in
/*) ;;
*) srcdir=`cd $srcdir && pwd`;;
esac
dnl
AC_ARG_WITH(defshell,
[ --with-defshell=SHELL use SHELL by default - must be sh compatible, use sh or ksh to pick the internal definitions],
[case "${withval}" in
yes) AC_MSG_ERROR(bad value ${withval} given for bmake DEFSHELL) ;;
no) ;;
*) case "$with_defshell" in
sh) DEFSHELL_INDEX=DEFSHELL_INDEX_SH;; # it's the default anyway
ksh) DEFSHELL_INDEX=DEFSHELL_INDEX_KSH;;
csh) DEFSHELL_INDEX=DEFSHELL_INDEX_CSH;; # kidding right?
*) defshell_path=$with_defshell;; # better be sh compatible!
esac
;;
esac])
dnl
use_meta=yes
AC_ARG_WITH(meta,
[ --without-meta dissable use of meta-mode],
[case "${withval}" in
yes|no) use_meta=${withval};;
*) AC_MSG_ERROR(bad value ${withval} given for meta) ;;
esac])
dnl
AC_ARG_WITH(filemon,
[ --with-filemon=path/filemon.h indicate path to filemon.h for meta-mode],
[ case "/${withval}" in
/no|*/filemon.h) filemon_h="${withval}";;
*/filemon*) filemon_h="${withval}/filemon.h";;
*) AC_MSG_ERROR(bad value ${withval} given for filemon) ;;
esac],
[
OS=`uname -s`
for d in "/usr/include/dev/filemon" "$prefix/include/dev/filemon" "$srcdir/filemon" "$srcdir/../filemon" "$srcdir/../../sys/dev/filemon"
do
for x in "/$OS" ""
do
filemon_h="$d$x/filemon.h"
test -s "$filemon_h" && break
done
test -s "$filemon_h" && break
done
test -s "${filemon_h:-/dev/null}" || filemon_h=no
])
dnl echo "Note: use_meta=$use_meta filemon_h=$filemon_h" >&6
case "$use_meta" in
yes)
case "$filemon_h" in
*.h) echo "Using: filemon=$filemon_h" >&6;;
esac
;;
esac
dnl
dnl Check for OS problems
dnl Solaris's signal.h only privides sigset_t etc if one of
dnl _EXTENSIONS_ _POSIX_C_SOURCE or _XOPEN_SOURCE are defined.
dnl The later two seem to cause more problems than they solve so if we
dnl see _EXTENSIONS_ we use it.
AC_USE_SYSTEM_EXTENSIONS
dnl Checks for programs.
AC_PROG_CC
AC_PROG_GCC_TRADITIONAL
AC_PROG_INSTALL
dnl Executable suffix - normally empty; .exe on os2.
AC_SUBST(ac_exe_suffix)dnl
dnl
dnl Hurd refuses to define PATH_MAX or MAXPATHLEN
if test -x /usr/bin/getconf; then
bmake_path_max=`getconf PATH_MAX / 2> /dev/null`
fi
bmake_path_max=${bmake_path_max:-1024}
if test $bmake_path_max -gt 1024; then
# this is all we expect
bmake_path_max=1024
fi
echo "Using: BMAKE_PATH_MAX=$bmake_path_max" >&6
AC_SUBST(bmake_path_max)dnl
dnl
dnl AC_C_CROSS
dnl
dnl Checks for header files.
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_HEADER_DIRENT
dnl Keep this list sorted
AC_CHECK_HEADERS( \
ar.h \
err.h \
fcntl.h \
paths.h \
poll.h \
ranlib.h \
string.h \
sys/mman.h \
sys/select.h \
sys/socket.h \
sys/sysctl.h \
sys/time.h \
sys/uio.h \
unistd.h \
utime.h \
)
dnl Both *BSD and Linux have sys/cdefs.h, most do not.
dnl If it is missing, we add -I${srcdir}/missing to CFLAGS
dnl also if sys/cdefs.h does not have __RCSID we need to use ours
dnl but we need to include the host's one too *sigh*
AC_CHECK_HEADER(sys/cdefs.h,
echo $ECHO_N "checking whether sys/cdefs.h is compatible... $ECHO_C" >&6
AC_EGREP_CPP(yes,
[#include <sys/cdefs.h>
#ifdef __RCSID
yes
#endif
],
echo yes >&6,
echo no >&6; CPPFLAGS="${CPPFLAGS} -I`cd ${srcdir}/missing && pwd` -DNEED_HOST_CDEFS_H"),
CPPFLAGS="${CPPFLAGS} -I`cd ${srcdir}/missing && pwd`")
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C___ATTRIBUTE__
AC_C_BIGENDIAN
AC_C_CONST
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_DECL_SYS_SIGLIST
AC_HEADER_TIME
AC_STRUCT_TM
dnl Checks for library functions.
AC_TYPE_SIGNAL
AC_FUNC_VFORK
AC_FUNC_VPRINTF
AC_FUNC_WAIT3
dnl Keep this list sorted
AC_CHECK_FUNCS( \
err \
errx \
getcwd \
getenv \
getopt \
getwd \
killpg \
mmap \
putenv \
select \
setenv \
setpgid \
setsid \
sigaction \
sigvec \
snprintf \
strerror \
strftime \
strsep \
strtod \
strtol \
sysctl \
unsetenv \
vsnprintf \
wait3 \
wait4 \
waitpid \
warn \
warnx \
)
dnl functions which we may need to provide
AC_REPLACE_FUNCS( \
realpath \
dirname \
stresep \
strlcpy \
)
AC_CHECK_LIB([util], [emalloc],
[ AC_CHECK_LIB([util], [erealloc],
[ AC_CHECK_LIB([util], [estrdup],
[ AC_CHECK_LIB([util], [estrndup],
[ LIBS="$LIBS -lutil"
CPPFLAGS="$CPPFLAGS -DUSE_EMALLOC" ])])])])
dnl
dnl Structures
dnl
AC_HEADER_STAT
AC_STRUCT_ST_RDEV
dnl
echo "checking if compiler supports __func__" >&6
AC_LANG(C)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[[const char *func = __func__;]])],,
AC_DEFINE(__func__, __FUNCTION__, C99 function name))
dnl
dnl we want this for unit-tests/Makefile
echo $ECHO_N "checking if diff -u works... $ECHO_C" >&6
if diff -u /dev/null /dev/null > /dev/null 2>&1; then
diff_u=-u
echo yes >&6
else
diff_u=
echo no >&6
fi
dnl
dnl AC_* don't quite cut it.
dnl
echo "checking for MACHINE & MACHINE_ARCH..." >&6
cat > conftest.$ac_ext <<EOF
#include "confdefs.h"
#include <sys/param.h>
#ifdef MACHINE
machine=MACHINE
#endif
#ifdef MACHINE_ARCH
machine_arch=MACHINE_ARCH
#endif
EOF
default_machine=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 |
egrep machine= | tr -d ' "'`
rm -rf conftest*
if test "$default_machine"; then
eval "$default_machine"
fi
machine=${machine:-`$srcdir/machine.sh`}
machine_arch=${machine_arch:-`$srcdir/machine.sh arch`}
echo "defaults: MACHINE=$machine, MACHINE_ARCH=$machine_arch" 1>&6
dnl
dnl now allow overrides
dnl
AC_ARG_WITH(machine,
[ --with-machine=MACHINE explicitly set MACHINE],
[case "${withval}" in
yes) AC_MSG_ERROR(bad value ${withval} given for bmake MACHINE) ;;
no) ;;
generic) machine=`$srcdir/machine.sh`;;
*) machine=$with_machine;;
esac])
force_machine=
AC_ARG_WITH(force_machine,
[ --with-force-machine=MACHINE set FORCE_MACHINE],
[case "${withval}" in
yes) force_machine=FORCE_;;
no) ;;
*) force_machine=FORCE_; machine=$with_force_machine;;
esac])
dnl
force_machine_arch=
AC_ARG_WITH(force_machine_arch,
[ --with-force-machine-arch=MACHINE set FORCE_MACHINE_ARCH],
[case "${withval}" in
yes) force_machine_arch=FORCE_;;
no) ;;
*) force_machine_arch=FORCE_; machine_arch=$with_force_machine;;
esac])
dnl
AC_ARG_WITH(machine_arch,
[ --with-machine_arch=MACHINE_ARCH explicitly set MACHINE_ARCH],
[case "${withval}" in
yes) AC_MSG_ERROR(bad value ${withval} given for bmake MACHINE_ARCH) ;;
no) ;;
*) machine_arch=$with_machine_arch;;
esac])
dnl
dnl Tell them what we ended up with
dnl
echo "Using: ${force_machine}MACHINE=$machine, MACHINE_ARCH=$machine_arch" 1>&6
dnl
dnl Allow folk to control _PATH_DEFSYSPATH
dnl
default_sys_path=\${prefix}/share/mk
AC_ARG_WITH(default-sys-path,
[ --with-default-sys-path=PATH:DIR:LIST use an explicit _PATH_DEFSYSPATH
MAKESYSPATH is a ':' separated list of directories
that bmake will search for system .mk files.
_PATH_DEFSYSPATH is its default value.],
[case "${withval}" in
yes) AC_MSG_ERROR(bad value ${withval} given for bmake _PATH_DEFSYSPATH) ;;
no) ;;
*) default_sys_path="$with_default_sys_path"
;;
esac])
dnl
dnl Some folk don't like this one
dnl
AC_ARG_WITH(path-objdirprefix,
[ --with-path-objdirprefix=PATH override _PATH_OBJDIRPREFIX],
[case "${withval}" in
yes) AC_MSG_ERROR(bad value ${withval} given for bmake _PATH_OBJDIRPREFIX) ;;
no) CPPFLAGS="$CPPFLAGS -DNO_PATH_OBJDIRPREFIX" ;;
*) CPPFLAGS="$CPPFLAGS \"-D_PATH_OBJDIRPREFIX=\\\"$with_path-objdir\\\"\"" ;;
esac])
dnl
dnl And this can be handy to do with out.
dnl
AC_ARG_ENABLE(pwd-override,
[ --disable-pwd-override disable \$PWD overriding getcwd()],
[case "${enableval}" in
yes) ;;
no) CPPFLAGS="$CPPFLAGS -DNO_PWD_OVERRIDE" ;;
*) AC_MSG_ERROR(bad value ${enableval} given for pwd-override option) ;;
esac])
dnl
dnl Just for grins
dnl
AC_ARG_ENABLE(check-make-chdir,
[ --disable-check-make-chdir disable make trying to guess
when it should automatically cd \${.CURDIR}],
[case "${enableval}" in
yes) ;;
no) CPPFLAGS="$CPPFLAGS -DNO_CHECK_MAKE_CHDIR" ;;
*) AC_MSG_ERROR(bad value ${enableval} given for check-make-chdir option) ;;
esac])
dnl
dnl On non-BSD systems, bootstrap won't work without mk
dnl
AC_ARG_WITH(mksrc,
[ --with-mksrc=PATH tell makefile.boot where to find mk src],
[case "${withval}" in
""|yes|no) ;;
*) test -s $withval/install-mk && mksrc=$withval ||
AC_MSG_ERROR(bad value ${withval} given for mksrc cannot find install-mk)
;;
esac
])
dnl
dnl Now make sure we have a value
dnl
srcdir=`cd $srcdir && pwd`
for mksrc in $mksrc $srcdir/mk $srcdir/../mk mk
do
test -s $mksrc/install-mk || continue
mksrc=`cd $mksrc && pwd`
break
done
mksrc=`echo $mksrc | sed "s,$srcdir,\\\${srcdir},"`
echo "Using: MKSRC=$mksrc" 1>&6
dnl On some systems we want a different default shell by default
if test -x /usr/xpg4/bin/sh; then
defshell_path=${defshell_path:-/usr/xpg4/bin/sh}
fi
if test -n "$defshell_path"; then
echo "Using: SHELL=$defshell_path" >&6
AC_DEFINE_UNQUOTED(DEFSHELL_CUSTOM, "$defshell_path", Path of default shell)
fi
if test -n "$DEFSHELL_INDEX"; then
AC_DEFINE_UNQUOTED(DEFSHELL_INDEX, $DEFSHELL_INDEX, Shell spec to use by default)
fi
dnl
AC_SUBST(machine)
AC_SUBST(force_machine)
AC_SUBST(machine_arch)
AC_SUBST(mksrc)
AC_SUBST(default_sys_path)
AC_SUBST(INSTALL)
AC_SUBST(GCC)
AC_SUBST(diff_u)
AC_SUBST(use_meta)
AC_SUBST(filemon_h)
AC_OUTPUT(makefile Makefile.config make-bootstrap.sh unit-tests/Makefile)
cat <<EOF
You can now run
sh ./make-bootstrap.sh
to produce a fully functional bmake.
EOF