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configure.ac
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configure.ac
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# $Id: configure.ac,v 1.519 2013/03/22 01:49:15 dtucker Exp $
#
# Copyright (c) 1999-2004 Damien Miller
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
AC_PREREQ(2.69)
dnl AC_INIT([OpenSMTPD-extras], m4_esyscmd(date +%Y%m%d%H%M%S | sed -e 's/^\(.*\)$/5.7-\1/' | tr -d '\n'), [bugs@opensmtpd.org], [opensmtpd-extras], [https://github.com/OpenSMTPD/OpenSMTPD-extras])
AC_INIT([OpenSMTPD-extras], [5.7.2], [bugs@opensmtpd.org], [opensmtpd-extras], [https://github.com/OpenSMTPD/OpenSMTPD-extras])
AC_LANG([C])
AC_CONFIG_MACRO_DIR([m4])
AC_USE_SYSTEM_EXTENSIONS
AC_CONFIG_HEADER([config.h])
AC_PROG_CC
AC_CANONICAL_HOST
AC_C_BIGENDIAN
# Checks for programs.
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LIBTOOL
AC_PATH_PROG([AR], [ar])
AC_PATH_PROG([CAT], [cat])
AC_PATH_PROG([SED], [sed])
AC_PATH_PROG([TEST_MINUS_S_SH], [bash])
AC_PATH_PROG([TEST_MINUS_S_SH], [ksh])
AC_PATH_PROG([TEST_MINUS_S_SH], [sh])
AC_PATH_PROG([SH], [sh])
AC_PATH_PROG([GROFF], [groff])
AC_PATH_PROG([NROFF], [nroff])
AC_PATH_PROG([MANDOC], [mandoc])
AM_INIT_AUTOMAKE([subdir-objects no-dependencies])
LT_INIT
#here we should test for variables set by libtool detection
if test "x$with_pic" != "xno" ; then
CFLAGS="$CFLAGS ${pic_flag}"
fi
#from here everything comes from portable openssh configure.ac script
#l50
dnl select manpage formatter
if test "x$MANDOC" != "x" ; then
MANFMT="$MANDOC"
elif test "x$NROFF" != "x" ; then
MANFMT="$NROFF -mandoc"
elif test "x$GROFF" != "x" ; then
MANFMT="$GROFF -mandoc -Tascii"
else
AC_MSG_WARN([no manpage formatted found])
MANFMT="false"
fi
AC_SUBST([MANFMT])
#l61
#l78
if test -z "$AR" ; then
AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
fi
#l80
#l101
if test -z "$LD" ; then
LD=$CC
fi
AC_SUBST([LD])
AC_C_INLINE
AC_CHECK_DECL([LLONG_MAX], [have_llong_max=1], , [#include <limits.h>])
#l108
#l150 (without _FORTIFY_SOURCE=2)
if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
OSSH_CHECK_CFLAG_COMPILE([-Qunused-arguments])
OSSH_CHECK_CFLAG_COMPILE([-Wunknown-warning-option])
OSSH_CHECK_CFLAG_COMPILE([-Wall])
OSSH_CHECK_CFLAG_COMPILE([-Wpointer-arith])
OSSH_CHECK_CFLAG_COMPILE([-Wuninitialized])
OSSH_CHECK_CFLAG_COMPILE([-Wsign-compare])
OSSH_CHECK_CFLAG_COMPILE([-Wformat-security])
OSSH_CHECK_CFLAG_COMPILE([-Wsizeof-pointer-memaccess])
OSSH_CHECK_CFLAG_COMPILE([-Wpointer-sign], [-Wno-pointer-sign])
OSSH_CHECK_CFLAG_COMPILE([-Wunused-result], [-Wno-unused-result])
OSSH_CHECK_CFLAG_COMPILE([-fno-strict-aliasing])
# OSSH_CHECK_CFLAG_COMPILE([-D_FORTIFY_SOURCE=2])
AC_MSG_CHECKING([gcc version])
GCC_VER=`$CC -v 2>&1 | $AWK '/gcc version /{print $3}'`
AC_MSG_RESULT([$GCC_VER])
AC_MSG_CHECKING([if $CC accepts -fno-builtin-memset])
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -fno-builtin-memset"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include <string.h> ]],
[[ char b[10]; memset(b, 0, sizeof(b)); ]])],
[ AC_MSG_RESULT([yes]) ],
[ AC_MSG_RESULT([no])
CFLAGS="$saved_CFLAGS" ]
)
# -fstack-protector-all doesn't always work for some GCC versions
# and/or platforms, so we test if we can. If it's not supported
# on a given platform gcc will emit a warning so we use -Werror.
if test "x$use_stack_protector" = "x1"; then
for t in -fstack-protector-strong -fstack-protector-all \
-fstack-protector; do
AC_MSG_CHECKING([if $CC supports $t])
saved_CFLAGS="$CFLAGS"
saved_LDFLAGS="$LDFLAGS"
CFLAGS="$CFLAGS $t -Werror"
LDFLAGS="$LDFLAGS $t -Werror"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[ #include <stdio.h> ]],
[[
char x[256];
snprintf(x, sizeof(x), "XXX");
]])],
[ AC_MSG_RESULT([yes])
CFLAGS="$saved_CFLAGS $t"
LDFLAGS="$saved_LDFLAGS $t"
AC_MSG_CHECKING([if $t works])
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([[ #include <stdio.h> ]],
[[
char x[256];
snprintf(x, sizeof(x), "XXX");
]])],
[ AC_MSG_RESULT([yes])
break ],
[ AC_MSG_RESULT([no]) ],
[ AC_MSG_WARN([cross compiling: cannot test])
break ]
)
],
[ AC_MSG_RESULT([no]) ]
)
CFLAGS="$saved_CFLAGS"
LDFLAGS="$saved_LDFLAGS"
done
fi
if test -z "$have_llong_max"; then
# retry LLONG_MAX with -std=gnu99, needed on some Linuxes
unset ac_cv_have_decl_LLONG_MAX
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -std=gnu99"
AC_CHECK_DECL([LLONG_MAX],
[have_llong_max=1],
[CFLAGS="$saved_CFLAGS"],
[#include <limits.h>]
)
fi
fi
AC_MSG_CHECKING([if compiler allows __attribute__ on return types])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[
#include <stdlib.h>
__attribute__((__unused__)) static void foo(void){return;}]],
[[ exit(0); ]])],
[ AC_MSG_RESULT([yes]) ],
[ AC_MSG_RESULT([no])
AC_DEFINE(NO_ATTRIBUTE_ON_RETURN_TYPE, 1,
[compiler does not accept __attribute__ on return types]) ]
)
AC_ARG_WITH([rpath],
[ --without-rpath Disable auto-added -R linker paths],
[
if test "x$withval" = "xno" ; then
need_dash_r=""
fi
if test "x$withval" = "xyes" ; then
need_dash_r=1
fi
]
)
# Allow user to specify flags
AC_ARG_WITH([cflags],
[ --with-cflags Specify additional flags to pass to compiler],
[
if test -n "$withval" && test "x$withval" != "xno" && \
test "x${withval}" != "xyes"; then
CFLAGS="$CFLAGS $withval"
fi
]
)
AC_ARG_WITH([cppflags],
[ --with-cppflags Specify additional flags to pass to preprocessor] ,
[
if test -n "$withval" && test "x$withval" != "xno" && \
test "x${withval}" != "xyes"; then
CPPFLAGS="$CPPFLAGS $withval"
fi
]
)
AC_ARG_WITH([ldflags],
[ --with-ldflags Specify additional flags to pass to linker],
[
if test -n "$withval" && test "x$withval" != "xno" && \
test "x${withval}" != "xyes"; then
LDFLAGS="$LDFLAGS $withval"
fi
]
)
AC_ARG_WITH([libs],
[ --with-libs Specify additional libraries to link with],
[
if test -n "$withval" && test "x$withval" != "xno" && \
test "x${withval}" != "xyes"; then
LIBS="$LIBS $withval"
fi
]
)
AC_ARG_WITH([Werror],
[ --with-Werror Build main code with -Werror],
[
if test -n "$withval" && test "x$withval" != "xno"; then
werror_flags="-Werror"
if test "x${withval}" != "xyes"; then
werror_flags="$withval"
fi
fi
]
)
#l325
AC_CHECK_HEADERS([ \
arpa/inet.h \
ctype.h \
dirent.h \
fcntl.h \
grp.h \
inttypes.h \
limits.h \
mach/mach_time.h \
ndir.h \
netdb.h \
netinet/in.h \
pam/pam_appl.h \
paths.h \
security/pam_appl.h \
stdint.h \
stdlib.h \
string.h \
strings.h \
sys/dir.h \
sys/ndir.h \
sys/param.h \
sys/pstat.h \
sys/socket.h \
sys/time.h \
sys/un.h \
syslog.h \
time.h \
ucred.h \
unistd.h
])
#l432 (customized)
# Check for some target-specific stuff
case "$host" in
*-*-darwin*)
use_pie=auto
AC_MSG_CHECKING([if we have working getaddrinfo])
AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <mach-o/dyld.h>
main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
exit(0);
else
exit(1);
}
]])],
[AC_MSG_RESULT([working])],
[AC_MSG_RESULT([buggy])
],
[AC_MSG_RESULT([assume it is working])])
;;
*-*-dragonfly*)
SMTPDLIBS="$SMTPDLIBS -lcrypt"
;;
*-*-linux* | *-gnu* | *-k*bsd*-gnu* )
use_pie=auto
CFLAGS="$CFLAGS -D_BSD_SOURCE"
;;
*-*-netbsd*)
if test "x$withval" != "xno" ; then
need_dash_r=1
fi
;;
*-*-openbsd*)
use_pie=auto
asr_in_libc=1
;;
esac
AM_CONDITIONAL([NO_LIBASR], [test x$asr_in_libc = x1])
AC_MSG_CHECKING([compiler and flags for sanity])
AC_RUN_IFELSE([AC_LANG_PROGRAM([[ #include <stdio.h> ]], [[ exit(0); ]])],
[ AC_MSG_RESULT([yes]) ],
[
AC_MSG_RESULT([no])
AC_MSG_ERROR([*** compiler cannot create working executables, check config.log ***])
],
[ AC_MSG_WARN([cross compiling: not checking compiler sanity]) ]
)
dnl Checks for header files.
# Checks for libraries.
AC_CHECK_FUNC([setsockopt], , [AC_CHECK_LIB([socket], [setsockopt])])
#l1525
AC_ARG_WITH([pie],
[ --with-pie Build Position Independent Executables if possible], [
if test "x$withval" = "xno"; then
use_pie=no
fi
if test "x$withval" = "xyes"; then
use_pie=yes
fi
]
)
if test "x$use_pie" = "x"; then
use_pie=no
fi
if test "x$use_pie" = "xauto"; then
# Automatic PIE requires gcc >= 4.x
AC_MSG_CHECKING([for gcc >= 4.x])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#if !defined(__GNUC__) || __GNUC__ < 4
#error gcc is too old
#endif
]])],
[ AC_MSG_RESULT([yes]) ],
[ AC_MSG_RESULT([no])
use_pie=no ]
)
fi
if test "x$use_pie" != "xno"; then
SAVED_CFLAGS="$CFLAGS"
SAVED_LDFLAGS="$LDFLAGS"
OSSH_CHECK_CFLAG_COMPILE([-fPIE])
OSSH_CHECK_LDFLAG_LINK([-pie])
# We use both -fPIE and -pie or neither.
AC_MSG_CHECKING([whether both -fPIE and -pie are supported])
if echo "x $CFLAGS" | grep ' -fPIE' >/dev/null 2>&1 && \
echo "x $LDFLAGS" | grep ' -pie' >/dev/null 2>&1 ; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
CFLAGS="$SAVED_CFLAGS"
LDFLAGS="$SAVED_LDFLAGS"
fi
fi
#l1570
# Checks for library functions.
AC_FUNC_FORK
AC_FUNC_FSEEKO
AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_CHECK_FUNCS([ \
arc4random \
arc4random_uniform \
asprintf \
closefrom \
dirfd \
freeaddrinfo \
getaddrinfo \
getline \
gethostname \
getnameinfo \
getopt \
memmove \
memchr \
memset \
regcomp \
socketpair \
strdup \
strerror \
strncasecmp \
strpbrk \
strrchr \
strtol \
strtoumax \
strtoull \
strlcat \
strlcpy \
strtonum \
sysconf \
time \
tzset \
vasprintf \
vsnprintf
])
#l1723
AC_CHECK_DECL([strsep],
[AC_CHECK_FUNCS([strsep])],
[],
[
#ifdef HAVE_STRING_H
# include <string.h>
#endif
])
#l1730
#l1747
AC_CHECK_DECLS([O_NONBLOCK], , ,
[
#include <sys/types.h>
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
])
AC_CHECK_DECLS([writev], , , [
#include <sys/types.h>
#include <sys/uio.h>
#include <unistd.h>
])
#l1873
# Check for broken snprintf
if test "x$ac_cv_func_snprintf" = "xyes" ; then
AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([[ #include <stdio.h> ]],
[[
char b[5];
snprintf(b,5,"123456789");
exit(b[4]!='\0');
]])],
[AC_MSG_RESULT([yes])],
[
AC_MSG_RESULT([no])
AC_DEFINE([BROKEN_SNPRINTF], [1],
[Define if your snprintf is busted])
AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
],
[ AC_MSG_WARN([cross compiling: Assuming working snprintf()]) ]
)
fi
# If we don't have a working asprintf, then we strongly depend on vsnprintf
# returning the right thing on overflow: the number of characters it tried to
# create (as per SUSv3)
if test "x$ac_cv_func_asprintf" != "xyes" && \
test "x$ac_cv_func_vsnprintf" = "xyes" ; then
AC_MSG_CHECKING([whether vsnprintf returns correct values on overflow])
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <stdio.h>
#include <stdarg.h>
int x_snprintf(char *str,size_t count,const char *fmt,...)
{
size_t ret; va_list ap;
va_start(ap, fmt); ret = vsnprintf(str, count, fmt, ap); va_end(ap);
return ret;
}
]], [[
char x[1];
exit(x_snprintf(x, 1, "%s %d", "hello", 12345) == 11 ? 0 : 1);
]])],
[AC_MSG_RESULT([yes])],
[
AC_MSG_RESULT([no])
AC_DEFINE([BROKEN_SNPRINTF], [1],
[Define if your snprintf is busted])
AC_MSG_WARN([****** Your vsnprintf() function is broken, complain to your vendor])
],
[ AC_MSG_WARN([cross compiling: Assuming working vsnprintf()]) ]
)
fi
# On systems where [v]snprintf is broken, but is declared in stdio,
# check that the fmt argument is const char * or just char *.
# This is only useful for when BROKEN_SNPRINTF
AC_MSG_CHECKING([whether snprintf can declare const char *fmt])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
int snprintf(char *a, size_t b, const char *c, ...) { return 0; }
]], [[
snprintf(0, 0, 0);
]])],
[AC_MSG_RESULT([yes])
AC_DEFINE([SNPRINTF_CONST], [const],
[Define as const if snprintf() can declare const char *fmt])],
[AC_MSG_RESULT([no])
AC_DEFINE([SNPRINTF_CONST], [/* not const */])])
dnl see whether mkstemp() requires XXXXXX
AC_MSG_CHECKING([for (overly) strict mkstemp])
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([[
#include <stdlib.h>
]], [[
char template[]="conftest.mkstemp-test";
if (mkstemp(template) == -1)
exit(1);
unlink(template);
exit(0);
]])],
[
AC_MSG_RESULT([no])
],
[
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_STRICT_MKSTEMP], [1], [Silly mkstemp()])
],
[
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_STRICT_MKSTEMP])
]
)
#l1982
#l2174 (customized, bu adding -lssl to LIBS)
# Search for OpenSSL
saved_CPPFLAGS="$CPPFLAGS"
saved_LDFLAGS="$LDFLAGS"
AC_ARG_WITH([libssl],
[ --with-libssl=PATH Specify path to libssl installation ],
[
if test "x$withval" != "xno" ; then
case "$withval" in
# Relative paths
./*|../*) withval="`pwd`/$withval"
esac
if test -d "$withval/lib"; then
if test -n "${need_dash_r}"; then
LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
else
LDFLAGS="-L${withval}/lib ${LDFLAGS}"
fi
elif test -d "$withval/lib64"; then
if test -n "${need_dash_r}"; then
LDFLAGS="-L${withval}/lib64 -R${withval}/lib64 ${LDFLAGS}"
else
LDFLAGS="-L${withval}/lib64 ${LDFLAGS}"
fi
else
if test -n "${need_dash_r}"; then
LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
else
LDFLAGS="-L${withval} ${LDFLAGS}"
fi
fi
if test -d "$withval/include"; then
CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
else
CPPFLAGS="-I${withval} ${CPPFLAGS}"
fi
fi
]
)
## XXX chl -lssl manually added
LIBS="-lcrypto -lssl -ltls $LIBS"
AC_TRY_LINK_FUNC([RAND_add], [AC_DEFINE([HAVE_OPENSSL], [1],
[Define if your ssl headers are included
with #include <openssl/header.h>])],
[
dnl Check default openssl install dir
if test -n "${need_dash_r}"; then
LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
else
LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
fi
CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
AC_CHECK_HEADER([openssl/opensslv.h], ,
[AC_MSG_ERROR([*** OpenSSL headers missing - please install first or check config.log ***])])
AC_TRY_LINK_FUNC([RAND_add], [AC_DEFINE([HAVE_OPENSSL])],
[
AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
]
)
]
)
# XXX make --without-openssl work
AC_DEFINE_UNQUOTED([WITH_OPENSSL], [1], [use libcrypto for cryptography])
AC_MSG_CHECKING([if programs using OpenSSL functions will link])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[ #include <openssl/evp.h> ]],
[[ SSLeay_add_all_algorithms(); ]])],
[
AC_MSG_RESULT([yes])
],
[
AC_MSG_RESULT([no])
saved_LIBS="$LIBS"
LIBS="$LIBS -ldl"
AC_MSG_CHECKING([if programs using OpenSSL need -ldl])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[ #include <openssl/evp.h> ]],
[[ SSLeay_add_all_algorithms(); ]])],
[
AC_MSG_RESULT([yes])
],
[
AC_MSG_RESULT([no])
LIBS="$saved_LIBS"
]
)
]
)
SMTPD_USER=_smtpd
AC_ARG_WITH([user-smtpd],
[ --with-user-smtpd=user Specify non-privileged user for privilege separation (default=_smtpd)],
[
if test -n "$withval" && test "x$withval" != "xno" && \
test "x${withval}" != "xyes"; then
SMTPD_USER=$withval
fi
]
)
AC_DEFINE_UNQUOTED([SMTPD_USER], ["$SMTPD_USER"],
[non-privileged user for privilege separation])
AC_SUBST([SMTPD_USER])
# Checks for typedefs, structures, and compiler characteristics.
AC_TYPE_MODE_T
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_TYPE_UID_T
AC_TYPE_UINT8_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_CHECK_TYPES([long long, unsigned long long])
AC_CHECK_SIZEOF([short int], [2])
AC_CHECK_SIZEOF([int], [4])
AC_CHECK_SIZEOF([long int], [4])
AC_CHECK_SIZEOF([long long int], [8])
# Sanity check long long for some platforms (AIX)
if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
ac_cv_sizeof_long_long_int=0
fi
# compute LLONG_MIN and LLONG_MAX if we don't know them.
if test -z "$have_llong_max"; then
AC_MSG_CHECKING([for max value of long long])
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([[
#include <stdio.h>
/* Why is this so damn hard? */
#ifdef __GNUC__
# undef __GNUC__
#endif
#define __USE_ISOC99
#include <limits.h>
#define DATA "conftest.llminmax"
#define my_abs(a) ((a) < 0 ? ((a) * -1) : (a))
/*
* printf in libc on some platforms (eg old Tru64) does not understand %lld so
* we do this the hard way.
*/
static int
fprint_ll(FILE *f, long long n)
{
unsigned int i;
int l[sizeof(long long) * 8];
if (n < 0)
if (fprintf(f, "-") < 0)
return -1;
for (i = 0; n != 0; i++) {
l[i] = my_abs(n % 10);
n /= 10;
}
do {
if (fprintf(f, "%d", l[--i]) < 0)
return -1;
} while (i != 0);
if (fprintf(f, " ") < 0)
return -1;
return 0;
}
]], [[
FILE *f;
long long i, llmin, llmax = 0;
if((f = fopen(DATA,"w")) == NULL)
exit(1);
#if defined(LLONG_MIN) && defined(LLONG_MAX)
fprintf(stderr, "Using system header for LLONG_MIN and LLONG_MAX\n");
llmin = LLONG_MIN;
llmax = LLONG_MAX;
#else
fprintf(stderr, "Calculating LLONG_MIN and LLONG_MAX\n");
/* This will work on one's complement and two's complement */
for (i = 1; i > llmax; i <<= 1, i++)
llmax = i;
llmin = llmax + 1LL; /* wrap */
#endif
/* Sanity check */
if (llmin + 1 < llmin || llmin - 1 < llmin || llmax + 1 > llmax
|| llmax - 1 > llmax || llmin == llmax || llmin == 0
|| llmax == 0 || llmax < LONG_MAX || llmin > LONG_MIN) {
fprintf(f, "unknown unknown\n");
exit(2);
}
if (fprint_ll(f, llmin) < 0)
exit(3);
if (fprint_ll(f, llmax) < 0)
exit(4);
if (fclose(f) < 0)
exit(5);
exit(0);
]])],
[
llong_min=`$AWK '{print $1}' conftest.llminmax`
llong_max=`$AWK '{print $2}' conftest.llminmax`
AC_MSG_RESULT([$llong_max])
AC_DEFINE_UNQUOTED([LLONG_MAX], [${llong_max}LL],
[max value of long long calculated by configure])
AC_MSG_CHECKING([for min value of long long])
AC_MSG_RESULT([$llong_min])
AC_DEFINE_UNQUOTED([LLONG_MIN], [${llong_min}LL],
[min value of long long calculated by configure])
],
[
AC_MSG_RESULT([not found])
],
[
AC_MSG_WARN([cross compiling: not checking])
]
)
fi
# More checks for data types
TYPE_SOCKLEN_T
AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <sys/socket.h>
]], [[ struct sockaddr_storage s; ]])],
[ ac_cv_have_struct_sockaddr_storage="yes" ],
[ ac_cv_have_struct_sockaddr_storage="no"
])
])
if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
AC_DEFINE([HAVE_STRUCT_SOCKADDR_STORAGE], [1],
[define if you have struct sockaddr_storage data type])
fi
AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <netinet/in.h>
]], [[ struct sockaddr_in6 s; s.sin6_family = 0; ]])],
[ ac_cv_have_struct_sockaddr_in6="yes" ],
[ ac_cv_have_struct_sockaddr_in6="no"
])
])
if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
AC_DEFINE([HAVE_STRUCT_SOCKADDR_IN6], [1],
[define if you have struct sockaddr_in6 data type])
fi
AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <netinet/in.h>
]], [[ struct in6_addr s; s.s6_addr[0] = 0; ]])],
[ ac_cv_have_struct_in6_addr="yes" ],
[ ac_cv_have_struct_in6_addr="no"
])
])
if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
AC_DEFINE([HAVE_STRUCT_IN6_ADDR], [1],
[define if you have struct in6_addr data type])
dnl Now check for sin6_scope_id
AC_CHECK_MEMBERS([struct sockaddr_in6.sin6_scope_id], , ,
[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <netinet/in.h>
])
fi
AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
]], [[ struct addrinfo s; s.ai_flags = AI_PASSIVE; ]])],
[ ac_cv_have_struct_addrinfo="yes" ],
[ ac_cv_have_struct_addrinfo="no"
])
])
if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
AC_DEFINE([HAVE_STRUCT_ADDRINFO], [1],
[define if you have struct addrinfo data type])
fi
AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/time.h> ]],
[[ struct timeval tv; tv.tv_sec = 1;]])],
[ ac_cv_have_struct_timeval="yes" ],
[ ac_cv_have_struct_timeval="no"
])
])
if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
AC_DEFINE([HAVE_STRUCT_TIMEVAL], [1], [define if you have struct timeval])
have_struct_timeval=1
fi
#l3561
AC_CHECK_MEMBERS([struct passwd.pw_gecos], [], [], [[
#include <sys/types.h>
#include <pwd.h>
]])
AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
ac_cv_have_ss_family_in_struct_ss, [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <sys/socket.h>
]], [[ struct sockaddr_storage s; s.ss_family = 1; ]])],
[ ac_cv_have_ss_family_in_struct_ss="yes" ],
[ ac_cv_have_ss_family_in_struct_ss="no" ])
])
if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
AC_DEFINE([HAVE_SS_FAMILY_IN_SS], [1], [Fields in struct sockaddr_storage])
fi
AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
ac_cv_have___ss_family_in_struct_ss, [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <sys/socket.h>
]], [[ struct sockaddr_storage s; s.__ss_family = 1; ]])],
[ ac_cv_have___ss_family_in_struct_ss="yes" ],
[ ac_cv_have___ss_family_in_struct_ss="no"
])
])
if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
AC_DEFINE([HAVE___SS_FAMILY_IN_SS], [1],
[Fields in struct sockaddr_storage])
fi
dnl make sure we're using the real structure members and not defines
AC_CACHE_CHECK([for msg_control field in struct msghdr],
ac_cv_have_control_in_msghdr, [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/uio.h>
]], [[
#ifdef msg_control
#error "msg_control is a macro"
exit(1);
#endif
struct msghdr m;
m.msg_control = 0;
exit(0);
]])],
[ ac_cv_have_control_in_msghdr="yes" ],
[ ac_cv_have_control_in_msghdr="no" ]
)
])
if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
AC_DEFINE([HAVE_CONTROL_IN_MSGHDR], [1],
[Define if your system uses ancillary data style
file descriptor passing])
fi
AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
[[ extern char *__progname; printf("%s", __progname); ]])],
[ ac_cv_libc_defines___progname="yes" ],
[ ac_cv_libc_defines___progname="no"
])
])
if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
AC_DEFINE([HAVE___PROGNAME], [1], [Define if libc defines __progname])
fi
#l4010
# Looking for programs, paths and files
PRIVSEP_PATH=/var/empty
AC_ARG_WITH([path-empty],
[ --with-path-empty=PATH Specify path to empty directory (default=/var/empty)],
[
if test -n "$withval" && test "x$withval" != "xno" && \
test "x${withval}" != "xyes"; then
PRIVSEP_PATH=$withval
fi
]
)
AC_SUBST([PRIVSEP_PATH])
#l4022
#l4045
STRIP_OPT=-s
AC_ARG_ENABLE([strip],
[ --disable-strip Disable calling strip(1) on install],
[
if test "x$enableval" = "xno" ; then
STRIP_OPT=
fi
]
)
AC_SUBST([STRIP_OPT])
#l4054
#l4176 (customized s/ssh.1/smtpd/smtpd.8/)
# Options from here on. Some of these are preset by platform above
AC_ARG_WITH([mantype],
[ --with-mantype=man|cat|doc Set man page type],
[
case "$withval" in
man|cat|doc)
MANTYPE=$withval
;;
*)
AC_MSG_ERROR([invalid man type: $withval])
;;
esac
]
)
if test -z "$MANTYPE"; then
TestPath="/usr/bin${PATH_SEPARATOR}/usr/ucb"
AC_PATH_PROGS([NROFF], [nroff awf], [/bin/false], [$TestPath])
if ${NROFF} -mdoc ${srcdir}/smtpd/smtpd.8 >/dev/null 2>&1; then
MANTYPE=doc
elif ${NROFF} -man ${srcdir}/smtpd/smtpd.8 >/dev/null 2>&1; then
MANTYPE=man
else
MANTYPE=cat
fi
fi
AC_SUBST([MANTYPE])
if test "$MANTYPE" = "doc"; then
mansubdir=man;
else
mansubdir=$MANTYPE;
fi
AC_SUBST([mansubdir])
#l4207
case "$host" in
*-*-openbsd*)
pkglibexecdir="$libexecdir/smtpd"
;;
*)
pkglibexecdir="$libexecdir/opensmtpd"
;;
esac
AC_SUBST([pkglibexecdir])
#
# individual modules
#