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|
dnl Checks for programs.
dnl Unique-to-Samba variables we'll be playing with.
DYNEXP=
AC_SUBST(SHLIBEXT)
AC_SUBST(LDSHFLAGS)
AC_SUBST(SONAMEFLAG)
AC_SUBST(PICFLAG)
AC_SYS_LARGEFILE
#
# Config CPPFLAG settings for strange OS's that must be set
# before other tests.
#
case "$host_os" in
# Try to work out if this is the native HPUX compiler that uses the -Ae flag.
*hpux*)
AC_PROG_CC_FLAG(Ae)
# mmap on HPUX is completely broken...
AC_DEFINE(MMAP_BLACKLIST, 1, [Whether MMAP is broken])
if test $ac_cv_prog_cc_Ae = yes; then
CPPFLAGS="$CPPFLAGS -Ae"
fi
;;
#
# VOS may need to have POSIX support and System V compatibility enabled.
#
*vos*)
case "$CPPFLAGS" in
*-D_POSIX_C_SOURCE*)
;;
*)
CPPFLAGS="$CPPFLAGS -D_POSIX_C_SOURCE=200112L"
AC_DEFINE(_POSIX_C_SOURCE, 200112L, [Whether to enable POSIX support])
;;
esac
case "$CPPFLAGS" in
*-D_SYSV*|*-D_SVID_SOURCE*)
;;
*)
CPPFLAGS="$CPPFLAGS -D_SYSV"
AC_DEFINE(_SYSV, 1, [Whether to enable System V compatibility])
esac
;;
esac
AC_HEADER_DIRENT
AC_HEADER_TIME
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(sys/select.h fcntl.h sys/fcntl.h sys/time.h stdarg.h)
AC_CHECK_HEADERS(utime.h grp.h sys/id.h limits.h compat.h math.h)
AC_CHECK_HEADERS(ctype.h sys/wait.h sys/resource.h sys/ioctl.h sys/ipc.h sys/mode.h)
AC_CHECK_HEADERS(sys/mman.h sys/filio.h sys/priv.h sys/shm.h string.h strings.h stdlib.h)
AC_CHECK_HEADERS(sys/fs/s5param.h sys/filsys.h termios.h termio.h)
AC_CHECK_HEADERS(fnmatch.h pwd.h sys/termio.h sys/time.h)
AC_CHECK_HEADERS(locale.h shadow.h)
AC_CHECK_HEADERS(nss.h nss_common.h ns_api.h sys/security.h)
AC_CHECK_HEADERS(sys/acl.h)
AC_CHECK_HEADERS(sys/capability.h)
AC_TYPE_SIGNAL
AC_TYPE_UID_T
AC_TYPE_MODE_T
AC_TYPE_OFF_T
AC_TYPE_SIZE_T
AC_TYPE_PID_T
AC_STRUCT_ST_RDEV
AC_DIRENT_D_OFF
AC_CHECK_TYPE(ino_t,unsigned)
AC_CHECK_TYPE(loff_t,off_t)
AC_CHECK_TYPE(offset_t,loff_t)
AC_CHECK_TYPES(long long)
AC_CACHE_CHECK([for sig_atomic_t type],samba_cv_sig_atomic_t, [
AC_TRY_COMPILE([
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#include <stddef.h>
#endif
#include <signal.h>],[sig_atomic_t i = 0],
samba_cv_sig_atomic_t=yes,samba_cv_sig_atomic_t=no)])
if test x"$samba_cv_sig_atomic_t" = x"yes"; then
AC_DEFINE(HAVE_SIG_ATOMIC_T_TYPE,1,[Whether we have the atomic_t variable type])
fi
AC_FUNC_MEMCMP
AC_CHECK_FUNCS(setsid pipe crypt16 getauthuid)
AC_CHECK_FUNCS(strftime sigprocmask sigblock sigaction)
AC_CHECK_FUNCS(setgroups sysconf getpwanam srandom random srand rand usleep)
AC_CHECK_FUNCS(backtrace setbuffer)
AC_SUBST(BLDSHARED)
# Assume non-shared by default and override below
BLDSHARED="false"
# these are the defaults, good for lots of systems
HOST_OS="$host_os"
LDSHFLAGS="-shared"
SONAMEFLAG=""
SHLD="\${CC}"
PICFLAG=""
PICSUFFIX="po"
SHLIBEXT="so"
AC_MSG_CHECKING([ability to build shared libraries])
# and these are for particular systems
case "$host_os" in
*linux*) AC_DEFINE(LINUX,1,[Whether the host os is linux])
BLDSHARED="true"
LDSHFLAGS="-shared"
DYNEXP="-Wl,--export-dynamic"
PICFLAG="-fPIC"
SONAMEFLAG="-Wl,-soname="
AC_DEFINE(STAT_ST_BLOCKSIZE,512)
;;
*solaris*) AC_DEFINE(SUNOS5,1,[Whether the host os is solaris])
BLDSHARED="true"
LDSHFLAGS="-G"
if test "${GCC}" = "yes"; then
PICFLAG="-fPIC"
if test "${ac_cv_prog_gnu_ld}" = "yes"; then
DYNEXP="-Wl,-E"
fi
else
PICFLAG="-KPIC"
## ${CFLAGS} added for building 64-bit shared
## libs using Sun's Compiler
LDSHFLAGS="-G \${CFLAGS}"
PICSUFFIX="po.o"
fi
AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
;;
*sunos*) AC_DEFINE(SUNOS4,1,[Whether the host os is sunos4])
BLDSHARED="true"
LDSHFLAGS="-G"
PICFLAG="-KPIC" # Is this correct for SunOS
AC_DEFINE(STAT_ST_BLOCKSIZE,512)
;;
*netbsd* | *freebsd*) BLDSHARED="true"
LDSHFLAGS="-shared"
DYNEXP="-Wl,--export-dynamic"
PICFLAG="-fPIC -DPIC"
AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
;;
*openbsd*) BLDSHARED="true"
LDSHFLAGS="-shared"
DYNEXP="-Wl,-Bdynamic"
PICFLAG="-fPIC"
AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
;;
*irix*) AC_DEFINE(IRIX,1,[Whether the host os is irix])
ATTEMPT_WRAP32_BUILD=yes
BLDSHARED="true"
LDSHFLAGS="-set_version sgi1.0 -shared"
SONAMEFLAG="-soname "
SHLD="\${LD}"
if test "${GCC}" = "yes"; then
PICFLAG="-fPIC"
else
PICFLAG="-KPIC"
fi
AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
;;
*aix*) AC_DEFINE(AIX,1,[Whether the host os is aix])
BLDSHARED="true"
LDSHFLAGS="-Wl,-bexpall,-bM:SRE,-bnoentry,-berok"
DYNEXP="-Wl,-brtl,-bexpall,-bbigtoc"
PICFLAG="-O2"
if test "${GCC}" != "yes"; then
## for funky AIX compiler using strncpy()
CFLAGS="$CFLAGS -D_LINUX_SOURCE_COMPAT -qmaxmem=32000"
fi
AC_DEFINE(STAT_ST_BLOCKSIZE,DEV_BSIZE,[The size of a block])
;;
*hpux*) AC_DEFINE(HPUX,1,[Whether the host os is HPUX])
SHLIBEXT="sl"
# Use special PIC flags for the native HP-UX compiler.
if test $ac_cv_prog_cc_Ae = yes; then
BLDSHARED="true"
SHLD="/usr/bin/ld"
LDSHFLAGS="-B symbolic -b -z"
SONAMEFLAG="+h "
PICFLAG="+z"
fi
DYNEXP="-Wl,-E"
AC_DEFINE(STAT_ST_BLOCKSIZE,8192,[The size of a block])
;;
*qnx*) AC_DEFINE(QNX,1,[Whether the host os is qnx])
AC_DEFINE(STAT_ST_BLOCKSIZE,512)
;;
*osf*) AC_DEFINE(OSF1,1,[Whether the host os is osf1])
BLDSHARED="true"
LDSHFLAGS="-shared"
SONAMEFLAG="-Wl,-soname,"
PICFLAG="-fPIC"
AC_DEFINE(STAT_ST_BLOCKSIZE,512)
;;
*sco*) AC_DEFINE(SCO,1,[Whether the host os is sco unix])
AC_DEFINE(STAT_ST_BLOCKSIZE,512)
;;
*unixware*) AC_DEFINE(UNIXWARE,1,[Whether the host os is unixware])
BLDSHARED="true"
LDSHFLAGS="-shared"
SONAMEFLAG="-Wl,-soname,"
PICFLAG="-KPIC"
AC_DEFINE(STAT_ST_BLOCKSIZE,512)
;;
*next2*) AC_DEFINE(NEXT2,1,[Whether the host os is NeXT v2])
AC_DEFINE(STAT_ST_BLOCKSIZE,512)
;;
*dgux*) AC_CHECK_PROG( ROFF, groff, [groff -etpsR -Tascii -man])
AC_DEFINE(STAT_ST_BLOCKSIZE,512)
;;
*sysv4*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
case "$host" in
*-univel-*) if [ test "$GCC" != yes ]; then
AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
fi
LDSHFLAGS="-G"
DYNEXP="-Bexport"
;;
*mips-sni-sysv4*) AC_DEFINE(RELIANTUNIX,1,[Whether the host os is reliantunix]);;
esac
AC_DEFINE(STAT_ST_BLOCKSIZE,512)
;;
*sysv5*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
if [ test "$GCC" != yes ]; then
AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
fi
LDSHFLAGS="-G"
AC_DEFINE(STAT_ST_BLOCKSIZE,512)
;;
*-vms)
BLDSHARED="false"
LDSHFLAGS=""
;;
*vos*) AC_DEFINE(STAT_ST_BLOCKSIZE,4096)
BLDSHARED="false"
LDSHFLAGS=""
;;
*)
AC_DEFINE(STAT_ST_BLOCKSIZE,512)
;;
esac
AC_MSG_RESULT($BLDSHARED)
AC_MSG_CHECKING([linker flags for shared libraries])
AC_MSG_RESULT([$LDSHFLAGS])
AC_MSG_CHECKING([compiler flags for position-independent code])
AC_MSG_RESULT([$PICFLAGS])
#######################################################
# test whether building a shared library actually works
if test $BLDSHARED = true; then
AC_CACHE_CHECK([whether building shared libraries actually works],
[ac_cv_shlib_works],[
ac_cv_shlib_works=no
# try building a trivial shared library
if test "$PICSUFFIX" = "po"; then
$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o shlib.po ${srcdir-.}/build/tests/shlib.c &&
$CC $CPPFLAGS $CFLAGS `eval echo $LDSHFLAGS` -o shlib.so shlib.po &&
ac_cv_shlib_works=yes
else
$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o shlib.$PICSUFFIX ${srcdir-.}/build/tests/shlib.c &&
mv shlib.$PICSUFFIX shlib.po &&
$CC $CPPFLAGS $CFLAGS `eval echo $LDSHFLAGS` -o shlib.so shlib.po &&
ac_cv_shlib_works=yes
fi
rm -f shlib.so shlib.po
])
if test $ac_cv_shlib_works = no; then
BLDSHARED=false
fi
fi
AC_CACHE_CHECK([for Linux kernel oplocks],samba_cv_HAVE_KERNEL_OPLOCKS_LINUX,[
AC_TRY_RUN([
#include <sys/types.h>
#include <fcntl.h>
#ifndef F_GETLEASE
#define F_GETLEASE 1025
#endif
main() {
int fd = open("/dev/null", O_RDONLY);
return fcntl(fd, F_GETLEASE, 0) == -1;
}
],
samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=no,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=cross)])
if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_LINUX" = x"yes"; then
AC_DEFINE(HAVE_KERNEL_OPLOCKS_LINUX,1,[Whether to use linux kernel oplocks])
fi
AC_CACHE_CHECK([for kernel change notify support],samba_cv_HAVE_KERNEL_CHANGE_NOTIFY,[
AC_TRY_RUN([
#include <sys/types.h>
#include <fcntl.h>
#include <signal.h>
#ifndef F_NOTIFY
#define F_NOTIFY 1026
#endif
main() {
exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ? 1 : 0);
}
],
samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=yes,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=no,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=cross)])
if test x"$samba_cv_HAVE_KERNEL_CHANGE_NOTIFY" = x"yes"; then
AC_DEFINE(HAVE_KERNEL_CHANGE_NOTIFY,1,[Whether kernel notifies changes])
fi
AC_CACHE_CHECK([for kernel share modes],samba_cv_HAVE_KERNEL_SHARE_MODES,[
AC_TRY_RUN([
#include <sys/types.h>
#include <fcntl.h>
#include <signal.h>
#include <sys/file.h>
#ifndef LOCK_MAND
#define LOCK_MAND 32
#define LOCK_READ 64
#endif
main() {
exit(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
}
],
samba_cv_HAVE_KERNEL_SHARE_MODES=yes,samba_cv_HAVE_KERNEL_SHARE_MODES=no,samba_cv_HAVE_KERNEL_SHARE_MODES=cross)])
if test x"$samba_cv_HAVE_KERNEL_SHARE_MODES" = x"yes"; then
AC_DEFINE(HAVE_KERNEL_SHARE_MODES,1,[Whether the kernel supports share modes])
fi
AC_CACHE_CHECK([for IRIX kernel oplock type definitions],samba_cv_HAVE_KERNEL_OPLOCKS_IRIX,[
AC_TRY_COMPILE([#include <sys/types.h>
#include <fcntl.h>],
[oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;],
samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=no)])
if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_IRIX" = x"yes"; then
AC_DEFINE(HAVE_KERNEL_OPLOCKS_IRIX,1,[Whether IRIX kernel oplock type definitions are available])
fi
AC_CACHE_CHECK([for ftruncate extend],samba_cv_HAVE_FTRUNCATE_EXTEND,[
AC_TRY_RUN([#include "${srcdir-.}/build/tests/ftruncate.c"],
samba_cv_HAVE_FTRUNCATE_EXTEND=yes,samba_cv_HAVE_FTRUNCATE_EXTEND=no,samba_cv_HAVE_FTRUNCATE_EXTEND=cross)])
if test x"$samba_cv_HAVE_FTRUNCATE_EXTEND" = x"yes"; then
AC_DEFINE(HAVE_FTRUNCATE_EXTEND,1,[Truncate extend])
fi
AC_CACHE_CHECK([for sysconf(_SC_NGROUPS_MAX)],samba_cv_SYSCONF_SC_NGROUPS_MAX,[
AC_TRY_RUN([#include <unistd.h>
main() { exit(sysconf(_SC_NGROUPS_MAX) == -1 ? 1 : 0); }],
samba_cv_SYSCONF_SC_NGROUPS_MAX=yes,samba_cv_SYSCONF_SC_NGROUPS_MAX=no,samba_cv_SYSCONF_SC_NGROUPS_MAX=cross)])
if test x"$samba_cv_SYSCONF_SC_NGROUPS_MAX" = x"yes"; then
AC_DEFINE(SYSCONF_SC_NGROUPS_MAX,1,[Whether sysconf(_SC_NGROUPS_MAX) is available])
fi
AC_CACHE_CHECK([for working mmap],samba_cv_HAVE_MMAP,[
AC_TRY_RUN([#include "${srcdir-.}/build/tests/shared_mmap.c"],
samba_cv_HAVE_MMAP=yes,samba_cv_HAVE_MMAP=no,samba_cv_HAVE_MMAP=cross)])
if test x"$samba_cv_HAVE_MMAP" = x"yes"; then
AC_DEFINE(HAVE_MMAP,1,[Whether mmap works])
fi
case "$host_os" in
*linux*)
AC_CACHE_CHECK([for broken RedHat 7.2 system header files],samba_cv_BROKEN_REDHAT_7_SYSTEM_HEADERS,[
AC_TRY_COMPILE([
#ifdef HAVE_SYS_VFS_H
#include <sys/vfs.h>
#endif
#ifdef HAVE_SYS_CAPABILITY_H
#include <sys/capability.h>
#endif
],[int i;],
samba_cv_BROKEN_REDHAT_7_SYSTEM_HEADERS=no,samba_cv_BROKEN_REDHAT_7_SYSTEM_HEADERS=yes)])
if test x"$samba_cv_BROKEN_REDHAT_7_SYSTEM_HEADERS" = x"yes"; then
AC_DEFINE(BROKEN_REDHAT_7_SYSTEM_HEADERS,1,[Broken RedHat 7.2 system header files])
fi
;;
esac
AC_CACHE_CHECK([for O_DIRECT flag to open(2)],samba_cv_HAVE_OPEN_O_DIRECT,[
AC_TRY_COMPILE([
#include <unistd.h>
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif],
[int fd = open("/dev/null", O_DIRECT);],
samba_cv_HAVE_OPEN_O_DIRECT=yes,samba_cv_HAVE_OPEN_O_DIRECT=no)])
if test x"$samba_cv_HAVE_OPEN_O_DIRECT" = x"yes"; then
AC_DEFINE(HAVE_OPEN_O_DIRECT,1,[Whether the open(2) accepts O_DIRECT])
fi
|