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configure.ac
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AC_PREREQ([2.59])
# Be sure to update ABI version also if anything changes that might require
# recompiling plugins. Most importantly that means if any structs are changed.
AC_INIT([Dovecot],[2.2.9],[[email protected]])
AC_DEFINE_UNQUOTED([DOVECOT_ABI_VERSION], "2.2.ABIv7($PACKAGE_VERSION)", [Dovecot ABI version])
AC_CONFIG_SRCDIR([src])
AM_INIT_AUTOMAKE([foreign])
AM_MAINTAINER_MODE
PKG_PROG_PKG_CONFIG
ACLOCAL_AMFLAGS='-I $(top_srcdir)'
AC_SUBST(ACLOCAL_AMFLAGS)
dnl TEST_WITH(name, value, [plugin])
AC_DEFUN([TEST_WITH], [
want=want_`echo $1|sed s/-/_/g`
if test $2 = yes || test $2 = no || test $2 = auto; then
eval $want=$2
elif test $2 = plugin; then
if test "$3" = plugin; then
eval $want=plugin
else
AC_ERROR([--with-$1=plugin not supported])
fi
elif `echo $2|grep '^/' >/dev/null`; then
AC_ERROR([--with-$1=path not supported. You may want to use instead:
CPPFLAGS=-I$2/include LDFLAGS=-L$2/lib ./configure --with-$1])
else
AC_ERROR([--with-$1: Unknown value: $2])
fi
])
AC_ARG_ENABLE(devel-checks,
AS_HELP_STRING([--enable-devel-checks], [Enable some extra expensive checks for developers]),
if test x$enableval = xyes; then
AC_DEFINE(DEBUG,, Build with extra debugging checks)
want_devel_checks=yes
fi)
AC_ARG_ENABLE(asserts,
AS_HELP_STRING([--enable-asserts], [Enable asserts (default)]),
if test x$enableval = xno; then
AC_DEFINE(DISABLE_ASSERTS,, Disable asserts)
fi)
AC_ARG_WITH(shared-libs,
AS_HELP_STRING([--with-shared-libs], [Link binaries using shared Dovecot libraries (default)]),
want_shared_libs=$withval,
want_shared_libs=yes)
AM_CONDITIONAL(BUILD_SHARED_LIBS, test "$want_shared_libs" = "yes")
AC_ARG_WITH(mem-align,
AS_HELP_STRING([--with-mem-align=BYTES], [Set the memory alignment (default: 8)]),
mem_align=$withval,
mem_align=8)
AC_ARG_WITH(ioloop,
AS_HELP_STRING([--with-ioloop=IOLOOP], [Specify the I/O loop method to use (epoll, kqueue, poll; best for the fastest available; default is best)]),
ioloop=$withval,
ioloop=best)
AC_ARG_WITH(notify,
AS_HELP_STRING([--with-notify=NOTIFY], [Specify the file system notification method to use (inotify, kqueue, dnotify, none; default is detected in the above order)]),
notify=$withval,
notify=)
AC_ARG_WITH(nss,
AS_HELP_STRING([--with-nss], [Build with NSS module support (auto)]),
TEST_WITH(nss, $withval),
want_nss=auto)
AC_ARG_WITH(shadow,
AS_HELP_STRING([--with-shadow], [Build with shadow password support (auto)]),
TEST_WITH(shadow, $withval),
want_shadow=auto)
AC_ARG_WITH(pam,
AS_HELP_STRING([--with-pam], [Build with PAM support (auto)]),
TEST_WITH(pam, $withval),
want_pam=auto)
AC_ARG_WITH(bsdauth,
AS_HELP_STRING([--with-bsdauth], [Build with BSD authentication support (auto)]),
TEST_WITH(bsdauth, $withval),
want_bsdauth=auto)
AC_ARG_WITH(gssapi,
AS_HELP_STRING([--with-gssapi=yes|plugin Build with GSSAPI authentication support]),
TEST_WITH(gssapi, $withval, plugin),
want_gssapi=no)
AC_ARG_WITH(sia,
AS_HELP_STRING([--with-sia], [Build with Tru64 SIA support]),
TEST_WITH(sia, $withval),
want_sia=no)
AC_ARG_WITH(ldap,
AS_HELP_STRING([--with-ldap=yes|plugin], [Build with LDAP support]),
TEST_WITH(ldap, $withval, plugin),
want_ldap=no)
AC_ARG_WITH(vpopmail,
AS_HELP_STRING([--with-vpopmail], [Build with vpopmail support (auto)]),
if test x$withval = xno; then
want_vpopmail=no
else
if test x$withval = xyes || test x$withval = xauto; then
vpopmail_home="`echo ~vpopmail`"
want_vpopmail=$withval
else
vpopmail_home="$withval"
want_vpopmail=yes
fi
fi, [
want_vpopmail=no
])
# Berkeley DB support is more or less broken. Disabled for now.
#AC_ARG_WITH(db,
#AS_HELP_STRING([--with-db], [Build with Berkeley DB support]),
# TEST_WITH(db, $withval),
# want_db=no)
want_db=no
AC_ARG_WITH(cdb,
AS_HELP_STRING([--with-cdb], [Build with CDB support]),
TEST_WITH(cdb, $withval),
want_cdb=no)
dnl The --with-sql is useful only if Dovecot is being built with all the SQL
dnl drivers as modules. If any SQL driver is built-in, this option is ignored.
AC_ARG_WITH(sql,
AS_HELP_STRING([--with-sql=yes|plugin], [Build with generic SQL support]),
TEST_WITH(sql, $withval, plugin),
want_sql=no)
AC_ARG_WITH(pgsql,
AS_HELP_STRING([--with-pgsql], [Build with PostgreSQL driver support]),
TEST_WITH(pgsql, $withval),
want_pgsql=no)
AC_ARG_WITH(mysql,
AS_HELP_STRING([--with-mysql], [Build with MySQL driver support]),
TEST_WITH(mysql, $withval),
want_mysql=no)
AC_ARG_WITH(sqlite,
AS_HELP_STRING([--with-sqlite], [Build with SQLite3 driver support]),
TEST_WITH(sqlite, $withval),
want_sqlite=no)
AC_ARG_WITH(lucene,
AS_HELP_STRING([--with-lucene], [Build with CLucene full text search support]),
TEST_WITH(lucene, $withval),
want_lucene=no)
AM_CONDITIONAL(BUILD_LUCENE, test "$want_lucene" = "yes")
AC_ARG_WITH(stemmer,
AS_HELP_STRING([--with-stemmer], [Build with libstemmer support (for CLucene)]),
TEST_WITH(stemmer, $withval),
want_stemmer=auto)
AC_ARG_WITH(solr,
AS_HELP_STRING([--with-solr], [Build with Solr full text search support]),
TEST_WITH(solr, $withval),
want_solr=no)
AC_ARG_WITH(zlib,
AS_HELP_STRING([--with-zlib], [Build with zlib compression support]),
TEST_WITH(zlib, $withval),
want_zlib=auto)
AC_ARG_WITH(bzlib,
AS_HELP_STRING([--with-bzlib], [Build with bzlib compression support]),
TEST_WITH(bzlib, $withval),
want_bzlib=auto)
AC_ARG_WITH(lzma,
AS_HELP_STRING([--with-lzma], [Build with LZMA compression support]),
TEST_WITH(lzma, $withval),
want_lzma=auto)
AC_ARG_WITH(libcap,
AS_HELP_STRING([--with-libcap], [Build with libcap support (Dropping capabilities).]),
TEST_WITH(libcap, $withval),
want_libcap=auto)
AC_ARG_WITH(libwrap,
AS_HELP_STRING([--with-libwrap], [Build with libwrap, ie. TCP-wrappers]),
TEST_WITH(libwrap, $withval),
want_libwrap=no)
AC_ARG_WITH(ssl,
AS_HELP_STRING([--with-ssl=gnutls|openssl], [Build with GNUTLS or OpenSSL (default)]),
if test x$withval = xno; then
want_gnutls=no
want_openssl=no
elif test x$withval = xgnutls; then
AC_ERROR([GNUTLS support is broken currently])
want_gnutls=yes
want_openssl=no
elif test x$withval = xopenssl; then
want_gnutls=no
want_openssl=yes
elif test x$withval = xyes; then
want_gnutls=no
want_openssl=yes
else
AC_ERROR([--with-ssl: Invalid value: $withval])
fi, [
want_gnutls=no
want_openssl=auto
])
AC_ARG_WITH(ssldir,
AS_HELP_STRING([--with-ssldir=DIR], [SSL base directory for certificates (/etc/ssl)]),
ssldir="$withval",
ssldir=/etc/ssl
)
AC_SUBST(ssldir)
AC_ARG_WITH(rundir,
AS_HELP_STRING([--with-rundir=DIR], [Runtime data directory (LOCALSTATEDIR/run/dovecot)]),
rundir="$withval",
rundir=$localstatedir/run/$PACKAGE
)
AC_SUBST(rundir)
AC_ARG_WITH(statedir,
AS_HELP_STRING([--with-statedir=DIR], [Permanent data directory (LOCALSTATEDIR/lib/dovecot)]),
statedir="$withval",
statedir=$localstatedir/lib/$PACKAGE
)
AC_SUBST(statedir)
AC_ARG_WITH([systemdsystemunitdir],
AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files (auto=detect)]), [
if test "$withval" = "auto"; then
systemdsystemunitdir=`$PKG_CONFIG --variable=systemdsystemunitdir systemd`
elif test "$withval" != "no"; then
systemdsystemunitdir=$withval
fi
], [])
if test "$systemdsystemunitdir" != ""; then
AC_SUBST(systemdsystemunitdir)
AC_DEFINE(HAVE_SYSTEMD,, Define if you want to use systemd socket activation)
fi
AM_CONDITIONAL(HAVE_SYSTEMD, test "$systemdsystemunitdir" != "")
AC_ARG_WITH(gc,
AS_HELP_STRING([--with-gc], [Use Boehm garbage collector]),
TEST_WITH(gc, $withval),
want_gc=no)
AC_ARG_WITH(storages,
AS_HELP_STRING([--with-storages], [Build with specified mail storage formats (mdbox sdbox maildir mbox cydir imapc pop3c)]), [
if test "$withval" = "yes" || test "$withval" = "no"; then
AC_MSG_ERROR([--with-storages needs storage list as parameter])
fi
mail_storages="shared `echo "$withval"|sed 's/,/ /g'`" ],
mail_storages="shared mdbox sdbox maildir mbox cydir imapc pop3c")
AC_SUBST(mail_storages)
mail_storages="$mail_storages raw fail"
# drop duplicates
duplicates=`(for i in $mail_storages; do echo $i; done)|sort|uniq -d|xargs echo`
if test "$duplicates" != ""; then
AC_ERROR([Duplicate --with-storages: $duplicates])
fi
DC_DOVECOT_MODULEDIR
AC_ARG_WITH(docs,
AS_HELP_STRING([--with-docs], [Install documentation (default)]),
if test x$withval = xno; then
want_docs=no
else
want_docs=yes
fi,
want_docs=yes)
AM_CONDITIONAL(BUILD_DOCS, test "$want_docs" = "yes")
dnl always enable all of the passbs and userdbs that don't require extra libs
want_passwd=yes
want_passwd_file=yes
want_checkpassword=yes
want_prefetch_userdb=yes
AC_ISC_POSIX
AC_PROG_CC
AC_PROG_CPP
AC_PROG_CXX # lucene plugin needs this
AC_HEADER_STDC
AC_C_INLINE
AC_PROG_LIBTOOL
AM_ICONV
AC_DEFINE_UNQUOTED(DOVECOT_NAME, "$PACKAGE_NAME", Dovecot name)
AC_DEFINE_UNQUOTED(DOVECOT_STRING, "$PACKAGE_STRING", Dovecot string)
AC_DEFINE_UNQUOTED(DOVECOT_VERSION, "$PACKAGE_VERSION", Dovecot version)
AC_DEFINE([DOVECOT_VERSION_MAJOR], regexp(AC_PACKAGE_VERSION, [^\([0-9]+\)\.\([0-9]+\)], [\1]), [Dovecot major version])
AC_DEFINE([DOVECOT_VERSION_MINOR], regexp(AC_PACKAGE_VERSION, [^\([0-9]+\)\.\([0-9]+\)], [\2]), [Dovecot minor version])
AC_CHECK_HEADERS(strings.h stdint.h unistd.h dirent.h malloc.h inttypes.h \
sys/uio.h sys/sysmacros.h sys/resource.h sys/select.h libgen.h \
sys/quota.h sys/fs/ufs_quota.h ufs/ufs/quota.h jfs/quota.h \
quota.h sys/fs/quota_common.h \
mntent.h sys/mnttab.h sys/event.h sys/time.h sys/mkdev.h linux/dqblk_xfs.h \
xfs/xqm.h execinfo.h ucontext.h malloc_np.h sys/utsname.h sys/vmount.h \
sys/utsname.h glob.h linux/falloc.h ucred.h sys/ucred.h)
dnl * clang check
have_clang=no
if $CC -dM -E -x c /dev/null | grep __clang__ > /dev/null 2>&1; then
have_clang=yes
fi
dnl * gcc specific options
if test "x$ac_cv_c_compiler_gnu" = "xyes"; then
# -Wcast-qual -Wcast-align -Wconversion -Wunreachable-code # too many warnings
# -Wstrict-prototypes -Wredundant-decls # may give warnings in some systems
# -Wmissing-format-attribute -Wmissing-noreturn -Wwrite-strings # a couple of warnings
CFLAGS="$CFLAGS -Wall -W -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wformat=2 -Wbad-function-cast"
if test "$have_clang" = "yes"; then
AC_TRY_COMPILE([
#if __clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >= 3)
# error new clang
#endif
],,,[
# clang 3.3+ unfortunately this gives warnings with hash.h
CFLAGS="$CFLAGS -Wno-duplicate-decl-specifier"
])
else
# This is simply to avoid warning when building strftime() wrappers..
CFLAGS="$CFLAGS -fno-builtin-strftime"
fi
AC_TRY_COMPILE([
#if __GNUC__ < 4
# error old gcc
#endif
],,[
# gcc4
CFLAGS="$CFLAGS -Wstrict-aliasing=2"
])
# Use std=gnu99 if we have new enough gcc
old_cflags=$CFLAGS
CFLAGS="-std=gnu99"
AC_TRY_COMPILE([
],, [
CFLAGS="$CFLAGS $old_cflags"
], [
CFLAGS="$old_cflags"
])
fi
if test "$have_clang" = "yes"; then
# clang specific options
if test "$want_devel_checks" = "yes"; then
# FIXME: enable once md[45], sha[12] can be compiled without
#CFLAGS="$CFLAGS -fsanitize=integer,undefined -ftrapv"
:
fi
fi
dnl **
dnl ** just some generic stuff...
dnl **
AC_SEARCH_LIBS(socket, socket)
AC_SEARCH_LIBS(inet_addr, nsl)
AC_SEARCH_LIBS(fdatasync, rt, [
AC_DEFINE(HAVE_FDATASYNC,, Define if you have fdatasync())
])
if test $want_libcap != no; then
AC_CHECK_LIB(cap, cap_init, [
AC_DEFINE(HAVE_LIBCAP,, libcap is installed for cap_init())
LIBCAP="-lcap"
AC_SUBST(LIBCAP)
], [
if test "$want_libcap" = "yes"; then
AC_ERROR([Can't build with libcap support: libcap not found])
fi
])
fi
have_libwrap=no
if test $want_libwrap != no; then
AC_CHECK_HEADER(tcpd.h, [
old_LIBS=$LIBS
AC_CACHE_CHECK([whether we have libwrap],i_cv_have_libwrap,[
AC_TRY_COMPILE([
#include <tcpd.h>
int allow_severity = 0;
int deny_severity = 0;
], [
request_init((void *)0);
], [
i_cv_have_libwrap=yes
], [
i_cv_have_libwrap=no
])
])
if test $i_cv_have_libwrap = yes; then
AC_DEFINE(HAVE_LIBWRAP,, Define if you have libwrap)
LIBWRAP_LIBS=-lwrap
AC_SUBST(LIBWRAP_LIBS)
have_libwrap=yes
else
if test "$want_libwrap" = "yes"; then
AC_ERROR([Can't build with libwrap support: libwrap not found])
fi
fi
LIBS=$old_LIBS
], [
if test "$want_libwrap" = "yes"; then
AC_ERROR([Can't build with libwrap support: tcpd.h not found])
fi
])
fi
AM_CONDITIONAL(TCPWRAPPERS, test "$have_libwrap" = "yes")
AC_DEFINE(PACKAGE_WEBPAGE, "http://www.dovecot.org/", Support URL)
dnl * after -lsocket and -lnsl tests, inet_aton() may be in them
AC_CHECK_FUNCS(fcntl flock lockf inet_aton sigaction getpagesize madvise \
strcasecmp stricmp vsyslog writev pread uname unsetenv \
setrlimit setproctitle seteuid setreuid setegid setresgid \
strtoull strtoll strtouq strtoq getmntinfo \
setpriority quotactl getmntent kqueue kevent backtrace_symbols \
walkcontext dirfd clearenv malloc_usable_size glob fallocate \
posix_fadvise getpeereid getpeerucred)
AC_CHECK_TYPES([struct sockpeercred],,,[
#include <sys/types.h>
#include <sys/socket.h>
])
AC_SEARCH_LIBS(clock_gettime, rt, [
AC_DEFINE(HAVE_CLOCK_GETTIME,, Define if you have the clock_gettime function)
])
AC_CACHE_CHECK([for typeof],i_cv_have_typeof,[
AC_TRY_COMPILE([
], [
int foo;
typeof(foo) bar;
], [
i_cv_have_typeof=yes
], [
i_cv_have_typeof=no
])
])
if test $i_cv_have_typeof = yes; then
AC_DEFINE(HAVE_TYPEOF,, Define if you have typeof())
fi
dnl strtoimax and strtoumax are macros in HP-UX, so inttypes.h must be included
dnl Link instead of just compiling since there's something wrong with Tru64
AC_CACHE_CHECK([for strtoimax],i_cv_have_strtoimax,[
AC_TRY_LINK([
#include <inttypes.h>
], [
strtoimax(0, 0, 0);
], [
i_cv_have_strtoimax=yes
], [
i_cv_have_strtoimax=no
])
])
if test $i_cv_have_strtoimax = yes; then
AC_DEFINE(HAVE_STRTOIMAX,, Define if you have strtoimax function)
fi
AC_CACHE_CHECK([for strtoumax],i_cv_have_strtoumax,[
AC_TRY_LINK([
#include <inttypes.h>
], [
strtoumax(0, 0, 0);
], [
i_cv_have_strtoumax=yes
], [
i_cv_have_strtoumax=no
])
])
if test $i_cv_have_strtoumax = yes; then
AC_DEFINE(HAVE_STRTOUMAX,, Define if you have strtoumax function)
fi
dnl * I/O loop function
have_ioloop=no
if test "$ioloop" = "best" || test "$ioloop" = "epoll"; then
AC_CACHE_CHECK([whether we can use epoll],i_cv_epoll_works,[
AC_TRY_RUN([
#include <sys/epoll.h>
int main()
{
return epoll_create(5) < 1;
}
], [
i_cv_epoll_works=yes
], [
i_cv_epoll_works=no
])
])
if test $i_cv_epoll_works = yes; then
AC_DEFINE(IOLOOP_EPOLL,, Implement I/O loop with Linux 2.6 epoll())
have_ioloop=yes
ioloop=epoll
else
if test "$ioloop" = "epoll" ; then
AC_MSG_ERROR([epoll ioloop requested but epoll_create() is not available])
fi
fi
fi
if test "$ioloop" = "best" || test "$ioloop" = "kqueue"; then
if test "$ac_cv_func_kqueue" = yes && test "$ac_cv_func_kevent" = yes; then
AC_DEFINE(IOLOOP_KQUEUE,, [Implement I/O loop with BSD kqueue()])
ioloop=kqueue
have_ioloop=yes
elif test "$ioloop" = "kqueue"; then
AC_MSG_ERROR([kqueue ioloop requested but kqueue() is not available])
fi
fi
if test "$ioloop" = "best" || test "$ioloop" = "poll"; then
AC_CHECK_FUNC(poll, [
AC_DEFINE(IOLOOP_POLL,, Implement I/O loop with poll())
ioloop=poll
have_ioloop=yes
])
fi
if test "$have_ioloop" = "no"; then
AC_DEFINE(IOLOOP_SELECT,, Implement I/O loop with select())
ioloop="select"
fi
have_notify=none
if test "$notify" = "" || test "$notify" = "inotify" ; then
dnl * inotify?
AC_CACHE_CHECK([whether we can use inotify],i_cv_inotify_works,[
AC_TRY_RUN([
#define _GNU_SOURCE
#include <sys/ioctl.h>
#include <fcntl.h>
#include <sys/inotify.h>
#include <stdio.h>
int main()
{
int wd, fd;
char * fn = "/tmp";
fd = inotify_init ();
if (fd < 0)
{
perror ("inotify_init");
return 1;
}
wd = inotify_add_watch (fd, fn, IN_ALL_EVENTS);
if (wd < 0)
{
perror ("inotify_add_watch");
return 2;
}
inotify_rm_watch (fd, wd);
close (fd);
return 0;
}
], [
i_cv_inotify_works=yes
], [
i_cv_inotify_works=no
])
])
if test $i_cv_inotify_works = yes; then
have_notify=inotify
notify=inotify
AC_DEFINE(IOLOOP_NOTIFY_INOTIFY,, Use Linux inotify)
else
if test "$notify" = "inotify"; then
AC_MSG_ERROR([inotify requested but not available])
notify=""
fi
fi
fi
if (test "$notify" = "" && test "$ioloop" = kqueue) || test "$notify" = "kqueue"; then
dnl * BSD kqueue() notify
AC_MSG_CHECKING([whether we can use BSD kqueue() notify])
if test "$ac_cv_func_kqueue" = yes && test "$ac_cv_func_kevent" = yes ; then
have_notify=kqueue
notify=kqueue
AC_MSG_RESULT("yes")
AC_DEFINE(IOLOOP_NOTIFY_KQUEUE,,
Use BSD kqueue directory changes notificaton)
else
AC_MSG_RESULT("no")
if test "$notify" = "kqueue" ; then
AC_MSG_ERROR([kqueue notify requested but kqueue() is not available])
notify=""
fi
fi
fi
if test "$notify" = "" || test "$notify" = "dnotify"; then
dnl * dnotify?
AC_CACHE_CHECK([whether we can use dnotify],i_cv_have_dnotify,[
AC_TRY_COMPILE([
#define _GNU_SOURCE
#include <fcntl.h>
#include <signal.h>
#include <unistd.h>
], [
fcntl(0, F_SETSIG, SIGRTMIN);
fcntl(0, F_NOTIFY, DN_CREATE | DN_DELETE | DN_RENAME | DN_MULTISHOT);
], [
i_cv_have_dnotify=yes
], [
i_cv_have_dnotify=no
])
])
if test $i_cv_have_dnotify = yes; then
AC_DEFINE(IOLOOP_NOTIFY_DNOTIFY,, Use Linux dnotify)
have_notify=dnotify
notify=dnotify
else
if test "$notify" = "dnotify"; then
AC_MSG_ERROR([dnotify requested but not available])
fi
fi
fi
if test "$have_notify" = "none"; then
AC_DEFINE(IOLOOP_NOTIFY_NONE,, No special notify support)
fi
AC_CACHE_CHECK([whether we have glibc],i_cv_have_glibc,[
AC_TRY_COMPILE([
#include <stdlib.h>
#ifdef __GLIBC__
we have glibc
#endif
],, [
i_cv_have_glibc=no
], [
i_cv_have_glibc=yes
])
])
if test "$i_cv_have_glibc" = "yes"; then
AC_DEFINE(PREAD_WRAPPERS,, Define if pread/pwrite needs _XOPEN_SOURCE 500)
fi
dnl * Old glibcs have broken posix_fallocate(). Make sure not to use it.
dnl * It may also be broken in AIX.
AC_CACHE_CHECK([whether posix_fallocate() works],i_cv_posix_fallocate_works,[
AC_TRY_RUN([
#define _XOPEN_SOURCE 600
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#if defined(__GLIBC__) && (__GLIBC__ < 2 || __GLIBC_MINOR__ < 7)
possibly broken posix_fallocate
#endif
int main() {
int fd = creat("conftest.temp", 0600);
int ret;
if (fd == -1) {
perror("creat()");
return 2;
}
ret = posix_fallocate(fd, 1024, 1024) < 0 ? 1 : 0;
unlink("conftest.temp");
return ret;
}
], [
i_cv_posix_fallocate_works=yes
], [
i_cv_posix_fallocate_works=no
])
])
if test $i_cv_posix_fallocate_works = yes; then
AC_DEFINE(HAVE_POSIX_FALLOCATE,, Define if you have a working posix_fallocate())
fi
dnl * OS specific options
DC_PLUGIN_DEPS
case "$host_os" in
hpux*)
CFLAGS="$CFLAGS -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED"
# for getting fd_send/fd_recv working:
LDFLAGS="$LDFLAGS -Wl,+b,:"
LIBS="-lxnet $LIBS"
AC_DEFINE(PREAD_BROKEN,, Defint if pread/pwrite implementation is broken)
;;
linux*|darwin*)
AC_DEFINE(PROCTITLE_HACK,, Define if process title can be changed by modifying argv)
;;
*)
;;
esac
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(void *)
AC_CHECK_SIZEOF(long long)
AC_DEFUN([AC_TYPEOF], [
dnl * first check if we can get the size with redefining typedefs
order="$2"
if test "$2" = ""; then
order="int long long-long"
fi
result=""
visible="unknown"
AC_MSG_CHECKING([type of $1])
AC_CACHE_VAL(i_cv_typeof_$1,[
if test "x$ac_cv_c_compiler_gnu" = "xyes"; then
dnl * try with printf() + -Werror
old_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Werror"
for type in $order; do
case "$type" in
int)
fmt="%d"
;;
unsigned-int)
fmt="%u"
;;
long)
fmt="%ld"
;;
unsigned-long)
fmt="%lu"
;;
long-long)
fmt="%lld"
;;
unsigned-long-long)
fmt="%llu"
;;
*)
fmt=""
;;
esac
if test "$fmt" != ""; then
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <stdio.h>
]], [[
printf("$fmt", ($1)0);
]])],[
if test "$result" != ""; then
dnl * warning check isn't working
result=""
visible="unknown"
break
fi
result="`echo $type|sed 's/-/ /g'`"
visible="$result"
],[])
fi
done
CFLAGS="$old_CFLAGS"
fi
if test "$result" = ""; then
for type in $order; do
type="`echo $type|sed 's/-/ /g'`"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
typedef $type $1;
]], [[]])],[
if test "$result" != ""; then
dnl * compiler allows redefining to anything
result=""
visible="unknown"
break
fi
result="$type"
visible="$type"
],[])
done
fi
if test "$result" = ""; then
dnl * check with sizes
dnl * older autoconfs don't include sys/types.h, so do it manually
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
#include <sys/types.h>
int main() {
FILE *f=fopen("conftestval", "w");
if (!f) exit(1);
fprintf(f, "%d\n", sizeof($1));
exit(0);
}
]])],[
size=`cat conftestval`
rm -f conftestval
for type in $order; do
actype="ac_cv_sizeof_`echo $type|sed 's/-/_/g'`"
if test "$size" = "`eval echo \\$$actype`"; then
result="`echo $type|sed 's/-/ /g'`"
visible="`expr $size \* 8`bit (using $result)"
break
fi
done
if test "$result" = ""; then
result=unknown
visible="`expr $size \* 8`bit (unknown type)"
fi
],[],[])
fi
i_cv_typeof_$1=$result/$visible
])
typeof_$1=`echo $i_cv_typeof_$1 | sed s,/.*$,,`
visible=`echo $i_cv_typeof_$1 | sed s,^.*/,,`
AC_MSG_RESULT($visible)
])
AC_SYS_LARGEFILE
AC_CHECK_TYPES(_Bool)
AC_CHECK_TYPE(uoff_t, [
have_uoff_t=yes
AC_DEFINE(HAVE_UOFF_T,, Define if you have a native uoff_t type)
], [
have_uoff_t=no
])
AC_TYPEOF(off_t, long int long-long)
case "$typeof_off_t" in
int)
offt_max=INT_MAX
uofft_fmt="u"
if test "$have_uoff_t" != "yes"; then
AC_DEFINE(UOFF_T_INT,, Define if off_t is int)
fi
offt_bits=`expr 8 \* $ac_cv_sizeof_int`
;;
long)
offt_max=LONG_MAX
uofft_fmt="lu"
if test "$have_uoff_t" != "yes"; then
AC_DEFINE(UOFF_T_LONG,, Define if off_t is long)
fi
offt_bits=`expr 8 \* $ac_cv_sizeof_long`
;;
"long long")
offt_max=LLONG_MAX
uofft_fmt="llu"
if test "$have_uoff_t" != "yes"; then
AC_DEFINE(UOFF_T_LONG_LONG,, Define if off_t is long long)
fi
offt_bits=`expr 8 \* $ac_cv_sizeof_long_long`
;;
*)
AC_MSG_ERROR([Unsupported off_t type])
;;
esac
dnl * Do we have struct dirent->d_type
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <dirent.h>
]], [[
struct dirent d;
d.d_type = DT_DIR;
]])],[
AC_DEFINE(HAVE_DIRENT_D_TYPE,, Define if you have struct dirent->d_type)
],[])
dnl * Do we have OFF_T_MAX?
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <limits.h>
#include <sys/types.h>
]], [[
off_t i = OFF_T_MAX;
]])],[
:
],[
AC_DEFINE_UNQUOTED(OFF_T_MAX, $offt_max, Maximum value of off_t)
])
AC_DEFINE_UNQUOTED(PRIuUOFF_T, "$uofft_fmt", printf() format for uoff_t)
dnl * make sure size_t isn't signed. we'd probably work fine with it, but
dnl * it's more likely vulnerable to buffer overflows. Anyway, C99 specifies
dnl * that it's unsigned and only some old systems define it as signed.
AC_CACHE_CHECK([whether size_t is signed],i_cv_signed_size_t,[
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <sys/types.h>
int main() {
/* return 0 if we're signed */
exit((size_t)(int)-1 <= 0 ? 0 : 1);
}
]])],[
i_cv_signed_size_t=yes
echo
echo "Your system's size_t is a signed integer, Dovecot isn't designed to"
echo "support it. It probably works just fine, but it's less resistant to"
echo "buffer overflows. If you're not worried about this and still want to"
echo "compile Dovecot, set ignore_signed_size=1 environment."
if test "$ignore_signed_size" = ""; then
AC_MSG_ERROR([aborting])
fi
echo "..ignoring as requested.."
],[
i_cv_signed_size_t=no
],[])
])
dnl Note: we check size_t rather than ssize_t here, because on OSX 10.2
dnl ssize_t = int and size_t = unsigned long. We're mostly concerned about
dnl printf format here, so check the size_t one.
AC_TYPEOF(size_t, unsigned-int unsigned-long unsigned-long-long)
case "$typeof_size_t" in
"unsigned long")
ssizet_max=LONG_MAX
sizet_fmt="lu"
;;
"unsigned long long")
ssizet_max=LLONG_MAX
sizet_fmt="llu"
;;
*)
dnl older systems didn't have ssize_t, default to int
ssizet_max=INT_MAX
sizet_fmt="u"
if test "$typeof_size_t" = ""; then
AC_DEFINE(size_t, unsigned int, Define to 'unsigned int' if you don't have it)
AC_DEFINE(ssize_t, int, Define to 'int' if you don't have it)
fi
;;
esac
AC_DEFINE_UNQUOTED(SSIZE_T_MAX, $ssizet_max, Maximum value of ssize_t)
AC_DEFINE_UNQUOTED(PRIuSIZE_T, "$sizet_fmt", printf() format for size_t)
AC_DEFUN([AC_CHECKTYPE2], [
AC_MSG_CHECKING([for $1])
AC_CACHE_VAL(i_cv_type_$1,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
$2]], [[$1 t;]])],[i_cv_type_$1=yes],[i_cv_type_$1=no])])
AC_MSG_RESULT($i_cv_type_$1)
])
dnl some systems don't have stdint.h, but still have some of the types
dnl defined elsewhere
AC_CHECK_HEADER(stdint.h, [
stdint_include="#include <stdint.h>"
])
AC_CHECKTYPE2(uintmax_t, [$stdint_include])
if test $i_cv_type_uintmax_t = yes; then
AC_DEFINE(HAVE_UINTMAX_T,, Define if you have uintmax_t (C99 type))
fi
dnl use separate check, eg. Solaris 8 has uintmax_t but not uint_fast32_t
AC_CHECKTYPE2(uint_fast32_t, [$stdint_include])
if test $i_cv_type_uint_fast32_t = yes; then
AC_DEFINE(HAVE_UINT_FAST32_T,, Define if you have uint_fast32_t (C99 type))
fi
AC_CHECKTYPE2(socklen_t, [#include <sys/socket.h>])
if test $i_cv_type_socklen_t = yes; then
AC_DEFINE(HAVE_SOCKLEN_T,, Define to 'int' if you don't have socklen_t)
fi
AC_DEFINE_UNQUOTED(MEM_ALIGN_SIZE, $mem_align, Required memory alignment)
dnl * find random source
AC_MSG_CHECKING([for /dev/urandom])