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configure.ac
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configure.ac
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dnl Copyright (C) 2002 - 2006 Tomasz Kojm <[email protected]>
dnl readdir_r checks (c) COPYRIGHT MIT 1995
dnl socklen_t check (c) Alexander V. Lukyanov <[email protected]>
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2 of the License, or
dnl (at your option) any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
dnl MA 02110-1301, USA.
AC_PREREQ([2.59])
dnl For a release change [devel] to the real version [0.xy]
dnl also change VERSION below
AC_INIT([ClamAV], [devel], [http://bugs.clamav.net/], [clamav], [http://www.clamav.net/])
AH_BOTTOM([#include "platform.h"])
dnl put configure auxiliary into config
AC_CONFIG_AUX_DIR([config])
AC_CONFIG_HEADER([clamav-config.h])
dnl safety check, this used to be a parameter to AC_INIT
AC_CONFIG_SRCDIR([clamscan/clamscan.c])
AC_CONFIG_MACRO_DIR([m4])
AC_CREATE_TARGET_H([target.h])
dnl -Wall and -Werror here are NOT CFLAGS, they refer to automake warnings
dnl enable stealth builds and psychedelic tests
AM_INIT_AUTOMAKE([1.11 -Wall -Wportability -Wno-override -Werror std-options foreign dist-bzip2 no-define color-tests parallel-tests tar-ustar])
AM_SILENT_RULES([yes])
dnl we told automake to not define these, since we want to include
dnl the date in the version
AC_DEFINE([PACKAGE], PACKAGE_NAME, [Name of package])
dnl change this on a release
VERSION="devel-`date +%Y%m%d`"
dnl VERSION="0.98"
LC_CURRENT=7
LC_REVISION=19
LC_AGE=1
LIBCLAMAV_VERSION="$LC_CURRENT":"$LC_REVISION":"$LC_AGE"
AC_SUBST([LIBCLAMAV_VERSION])
AC_PROG_AWK
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
LT_CONFIG_LTDL_DIR([libltdl])
LT_INIT([dlopen disable-static])
LTDL_INIT([recursive])
AC_CONFIG_FILES([libltdl/Makefile])
major=`expr $LC_CURRENT - $LC_AGE`
AC_DEFINE_UNQUOTED([LIBCLAMAV_FULLVER], "$major.$LC_AGE.$LC_REVISION",
["Full library version number"])
AC_DEFINE_UNQUOTED([LIBCLAMAV_MAJORVER], $major,
["Major library version number"])
AC_DEFINE([SCANBUFF], 131072, [scan buffer size])
AC_DEFINE([FILEBUFF], 8192, [file i/o buffer size])
AC_LIB_MULTILIB_GUESS
AC_HEADER_STDC
AC_C_RESTRICT
AC_C_CONST
AC_C_INLINE
AC_C_BIGENDIAN
LT_LIB_M
AC_ARG_ENABLE([gcc-vcheck],
[ --disable-gcc-vcheck do not check for buggy gcc version ],
gcc_check=$enableval, gcc_check="yes")
msg_gcc_check="use --disable-gcc-vcheck to disable this check. Before reporting any bugs check with a supported version of gcc"
VERSION_SUFFIX=
dnl Check for gcc-4.1.0
if test "$gcc_check" = "yes"; then
if test "x$ac_compiler_gnu" = "xyes"; then
AC_MSG_CHECKING([for a supported version of gcc])
gcc_version=`${CC} -dumpversion`
case "${gcc_version}" in
4.1.0*)
AC_MSG_RESULT([no (${gcc_version})])
AC_MSG_ERROR([gcc 4.1.0 is known to incorrectly compile upx.c. Upgrade your compiler to at least 4.1.1/4.1.2)])
;;
*)
AC_MSG_RESULT([ok (${gcc_version})])
;;
esac
case "${gcc_version}" in
[[56789]].* | 4.[[3456789]].*)
# bb #1581 - temporarely add -fno-strict-aliasing so gcc 4.4.0
# works correctly
CFLAGS="$CFLAGS -fno-strict-aliasing"
;;
*)
;;
esac
fi
else
CFLAGS="$CFLAGS -O0"
VERSION_SUFFIX="$VERSION_SUFFIX-broken-compiler"
fi
# add distcheck warning flags
distcheck_enable_flags=0
if test "x$ac_compiler_gnu" = "xyes"; then
gcc_version=`${CC} -dumpversion`
case "${gcc_version}" in
4.[[3456789]]*)
distcheck_enable_flags=1
;;
[[56789]].*)
distcheck_enable_flags=1
;;
esac
fi
dnl Checks if compiler produces valid code, regardless of compiler
dnl we do these checks here to avoid receiving endless bugreports about
dnl breakages due to compiler bugs.
dnl Check if compiler produces invalid code on gcc PR27603 (affects upx.c)
dnl testcase from gcc testsuite
AC_MSG_CHECKING([for gcc bug PR27603])
AC_TRY_RUN(
[
/* (C) Richard Guenther */
void exit (int);
void abort (void);
int a;
int main(void)
{
int j;
for (j = 0; j < 6; j++)
{
if ((unsigned)j - 3 <= 1)
exit (0);
a = 1000 * (6 - j);
}
abort ();
}
], [AC_MSG_RESULT([ok, bug not present])],
[AC_MSG_ERROR([your compiler has gcc PR27603 bug, use a different compiler, see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27603])], [AC_MSG_RESULT([cross-compiling, assumed ok])])
dnl Check if compiler produces invalid code on gcc PR26763-2 (affects upx.c)
dnl testcase from gcc testsuite
AC_MSG_CHECKING([for gcc bug PR26763-2])
AC_TRY_RUN(
[
/* (C) Richard Guenther */
extern void abort(void);
static int try (char *a, int d)
{
return a + d > a;
}
int main(void)
{
char bla[100];
if (try (bla + 50, -1))
abort ();
return 0;
}
], [AC_MSG_RESULT([ok, bug not present])],
[AC_MSG_ERROR([your compiler has gcc PR26763-2 bug, use a different compiler, see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26763])],[AC_MSG_RESULT([cross-compiling, assumed ok])])
dnl Check if compiler produces invalid code on own testcase based on upx.c
AC_MSG_CHECKING([for valid code generation of CLI_ISCONTAINED])
AC_TRY_RUN(
[
#include <stdio.h>
static struct v{
char* dst;
unsigned int dsize;
unsigned int dcur;
unsigned int backsize;
signed int unp_offset;
} values[] = {
{(char*)0xf78ab008, 0x2e000, 1, 4, -1594},
{(char*)0xb7af1008, 0x2e000, 1, 4, -1594}
};
extern void abort(void);
#define CLI_ISCONTAINED(bb, bb_size, sb, sb_size) \
((bb_size) > 0 && (sb_size) > 0 && (size_t)(sb_size) <= (size_t)(bb_size) \
&& (sb) >= (bb) && ((sb) + (sb_size)) <= ((bb) + (bb_size)) && ((sb) + (sb_size)) > (bb) && (sb) < ((bb) + (bb_size)))
int crashtest()
{
unsigned int backsize, dcur;
int dval=0x12000, unp_offset;
int* dsize = &dval;
char* dst = (char*)0x12000;
while(1) {
backsize=4;
dcur=0;
unp_offset=0x800002c7;
if (!CLI_ISCONTAINED(dst, *dsize, dst+dcur+unp_offset, backsize) || !CLI_ISCONTAINED(dst, *dsize, dst+dcur, backsize) || unp_offset >=0)
return -1;
abort();
}
return 0;
}
int main(void)
{
int i;
for(i=0;i<sizeof(values)/sizeof(values[0]);i++) {
struct v* v= &values[i];
char* dst = v->dst;
unsigned int* dsize = &v->dsize;
unsigned int dcur = v->dcur;
unsigned int backsize = v->backsize-1;
signed int unp_offset = v->unp_offset;
if(!CLI_ISCONTAINED(dst, *dsize, dst+dcur+unp_offset, backsize) ||
!CLI_ISCONTAINED(dst, *dsize,dst+dcur,backsize) || unp_offset >= 0) {
continue;
}
abort();
}
crashtest();
return 0;
}
], [AC_MSG_RESULT([ok, bug not present])],
[AC_MSG_ERROR([your compiler has a bug that causes clamav bug no. 670, use a different compiler, see http://bugs.clamav.net/bugzilla/show_bug.cgi?id=670])], [AC_MSG_RESULT([cross-compiling, assumed ok])])
dnl Check if compiler produces invalid code on gcc PR28045 (affects upx.c)
dnl testcase from gcc testsuite
AC_MSG_CHECKING([for gcc bug PR28045])
AC_TRY_RUN(
[
/* (C) Andrew Pinski */
extern void abort(void);
struct a
{
unsigned int bits : 1;
signed long val : ((sizeof(long) * 8) - 1);
};
static int Fnegate (struct a b)
{
if ((-((long)b.val)) <= ((long) ((1UL << ((sizeof(long) * 8) - 2)) -1UL))
&& (-((long)b.val)) >= (-(((long) ((1UL << ((sizeof(long) * 8) - 2)) -1UL))) - 1))
return 0 ;
abort ();
}
int main (void)
{
struct a b = {1, 1};
Fnegate (b);
return 0;
}
], [AC_MSG_RESULT([ok, bug not present])],
[AC_MSG_ERROR([your compiler has gcc PR28045 bug, use a different compiler, see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28045])], [AC_MSG_RESULT([cross-compiling, assumed ok])])
dnl Check if compiler produces invalid code on gcc PR37573 (affects autoit.c)
dnl this is a bug in gcc 4.4.0, but for some reason it affects gcc 4.1.2 too
dnl gcc 4.1.3 is OK. This bug occurs only at -O3.
AC_MSG_CHECKING([for gcc bug PR37573])
AC_TRY_RUN(
[
#include <stdlib.h>
#include <string.h>
struct S
{
unsigned int *a;
unsigned int b;
unsigned int c[624];
};
static unsigned char
foo (struct S *s)
{
unsigned int r;
if (!--s->b)
{
unsigned int *c = s->c;
unsigned int i;
s->a = c;
for (i = 0; i < 227; i++)
c[i] =
((((c[i] ^ c[i + 1]) & 0x7ffffffe) ^ c[i]) >> 1) ^
((0 - (c[i + 1] & 1)) & 0x9908b0df) ^ c[i + 397];
for (; i < 623; i++)
c[i] =
((((c[i] ^ c[i + 1]) & 0x7ffffffe) ^ c[i]) >> 1) ^
((0 - (c[i + 1] & 1)) & 0x9908b0df) ^ c[i - 227];
c[623] =
((((c[623] ^ c[0]) & 0x7ffffffe) ^ c[623]) >> 1) ^ ((0 - (c[0] & 1)) &
0x9908b0df) ^ c[i
-
227];
}
r = *(s->a++);
r ^= (r >> 11);
r ^= ((r & 0xff3a58ad) << 7);
r ^= ((r & 0xffffdf8c) << 15);
r ^= (r >> 18);
return (unsigned char) (r >> 1);
}
void
bar (unsigned char *p, unsigned int q, unsigned int r)
{
struct S s;
unsigned int i;
unsigned int *c = s.c;
*c = r;
for (i = 1; i < 624; i++)
c[i] = i + 0x6c078965 * ((c[i - 1] >> 30) ^ c[i - 1]);
s.b = 1;
while (q--)
*p++ ^= foo (&s);
};
static unsigned char p[23] = {
0xc0, 0x49, 0x17, 0x32, 0x62, 0x1e, 0x2e, 0xd5, 0x4c, 0x19, 0x28, 0x49,
0x91, 0xe4, 0x72, 0x83, 0x91, 0x3d, 0x93, 0x83, 0xb3, 0x61, 0x38
};
static unsigned char q[23] = {
0x3e, 0x41, 0x55, 0x54, 0x4f, 0x49, 0x54, 0x20, 0x55, 0x4e, 0x49, 0x43,
0x4f, 0x44, 0x45, 0x20, 0x53, 0x43, 0x52, 0x49, 0x50, 0x54, 0x3c
};
int
main (void)
{
unsigned int s;
s = 23;
bar (p, s, s + 0xa25e);
if (memcmp (p, q, s) != 0)
abort ();
return 0;
}
], [AC_MSG_RESULT([ok, bug not present])],
[AC_MSG_ERROR([your compiler has gcc PR37573 bug, use a lower optimization level (-O1 or -O2), see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37573])], [AC_MSG_RESULT([cross-compiling, assumed ok])])
dnl Linker feature checks
dnl check for version script support in the linker (GNU ld, or Solaris ld style)
AC_CACHE_CHECK([for ld --version-script], [ac_cv_ld_version_script], [dnl
cat > conftest.c <<EOF
void cl_symbol1(void) {}
void cli_symbol2(void) {}
EOF
cat > conftest.map <<EOF
RELEASE
{
global:
cl_*;
local:
*;
};
PRIVATE
{
global:
cli_*;
local:
*;
};
EOF
dnl check for GNU ld style linker version script
if AC_TRY_COMMAND([${CC-cc} $CFLAGS $pic_flag $LDFLAGS -shared
-o conftest.so conftest.c
-Wl,--version-script,conftest.map
1>&AS_MESSAGE_LOG_FD]);
then
VERSIONSCRIPTFLAG=--version-script
ac_cv_ld_version_script=yes
else
dnl check for Solaris ld style linker version script
if AC_TRY_COMMAND([${CC-cc} $CFLAGS $pic_flag $LDFLAGS -shared
-o conftest.so conftest.c
-Wl,-M,conftest.map
1>&AS_MESSAGE_LOG_FD]);
then
VERSIONSCRIPTFLAG=-M
ac_cv_ld_version_script=yes;
else
ac_cv_ld_version_script=no
fi
fi
rm -f conftest*])
AC_SUBST([VERSIONSCRIPTFLAG])
AM_CONDITIONAL([VERSIONSCRIPT], test "x$ac_cv_ld_version_script" = "xyes")
# it is not fatal if gperf is missing
AM_MISSING_PROG(GPERF, gperf)
AC_SUBST(GPERF)
AC_CHECK_HEADERS([stdint.h unistd.h sys/int_types.h dlfcn.h inttypes.h sys/inttypes.h sys/times.h memory.h ndir.h stdlib.h strings.h string.h sys/mman.h sys/param.h sys/stat.h sys/types.h malloc.h poll.h limits.h sys/filio.h sys/uio.h termios.h stdbool.h pwd.h grp.h])
AC_CHECK_HEADER([syslog.h],AC_DEFINE([USE_SYSLOG],1,[use syslog]),)
AC_TYPE_OFF_T
AC_COMPILE_CHECK_SIZEOF([short])
AC_COMPILE_CHECK_SIZEOF([int])
AC_COMPILE_CHECK_SIZEOF([long])
AC_COMPILE_CHECK_SIZEOF([long long])
AC_COMPILE_CHECK_SIZEOF([void *])
AC_ARG_ENABLE([experimental],
[ --enable-experimental enable experimental code],
enable_experimental=$enableval, enable_experimental="no")
if test "$enable_experimental" = "yes"; then
AC_DEFINE([CL_EXPERIMENTAL],1,[enable experimental code])
VERSION_SUFFIX="$VERSION_SUFFIX-exp"
fi
build_configure_args=`echo "$ac_configure_args" | sed -e 's/[\"]//g'`
AC_SUBST([BUILD_CONFIGURE_FLAGS], [$build_configure_args])
AX_CHECK_UNAME_SYSCALL
AC_CHECK_LIB([socket], [bind], [LIBS="$LIBS -lsocket"; CLAMAV_MILTER_LIBS="$CLAMAV_MILTER_LIBS -lsocket"; FRESHCLAM_LIBS="$FRESHCLAM_LIBS -lsocket"; CLAMD_LIBS="$CLAMD_LIBS -lsocket"])
AC_SEARCH_LIBS([gethostent],[nsl], [(LIBS="$LIBS -lnsl"; CLAMAV_MILTER_LIBS="$CLAMAV_MILTER_LIBS -lnsl"; FRESHCLAM_LIBS="$FRESHCLAM_LIBS -lnsl"; CLAMD_LIBS="$CLAMD_LIBS -lnsl")])
AC_CHECK_FUNCS([poll setsid memcpy snprintf vsnprintf strerror_r strlcpy strlcat strcasestr inet_ntop setgroups initgroups ctime_r mkstemp mallinfo madvise])
AC_FUNC_FSEEKO
dnl Check if anon maps are available, check if we can determine the page size
AC_C_FUNC_MMAP_PRIVATE
AC_C_FUNC_PAGESIZE
AC_C_FUNC_MMAP_ANONYMOUS
AC_ARG_ENABLE([mempool],[ --disable-mempool disable memory pools], enable_mempool=$enableval, enable_mempool="yes")
have_mempool="no"
if test "$enable_mempool" = "yes"; then
if test "$ac_cv_c_mmap_private" != "yes"; then
AC_MSG_NOTICE([****** mempool support disabled (mmap not available or not usable)])
else
if test "$ac_cv_c_can_get_pagesize" != "yes"; then
AC_MSG_NOTICE([****** mempool support disabled (pagesize cannot be determined)])
else
if test "$ac_cv_c_mmap_anonymous" = "no"; then
AC_MSG_NOTICE([****** mempool support disabled (anonymous mmap not available)])
else
AC_DEFINE([USE_MPOOL],1,[enable memory pools])
have_mempool="yes"
fi
fi
fi
fi
enable_check_ut=auto
enable_ut_install=no
AC_ARG_ENABLE(check,
[ --enable-check Enable 'check' unit tests (default=auto)], enable_check_ut=$enableval, enable_check_ut="auto" )
if test "$enable_check_ut" != "no" ; then
AC_LIB_FIND([check],[check.h],
AC_LANG_PROGRAM([#include <check.h>],[srunner_create(0)]),
[CHECK_CPPFLAGS="$INCCHECK"; CHECK_LIBS="$LTLIBCHECK"],
[])
fi
AC_SUBST([CHECK_CPPFLAGS])
AC_SUBST([CHECK_LIBS])
AM_CONDITIONAL([HAVE_LIBCHECK],test "X$HAVE_LIBCHECK" = "Xyes")
if test "x$CHECK_LIBS" = "x" -a "$enable_check_ut" = "yes"; then
AC_MSG_ERROR([
ERROR! Check was configured, but not found. Get it from http://check.sf.net/
])
fi
AC_ARG_ENABLE(coverage,
AC_HELP_STRING([--enable-coverage],
[turn on test coverage
@<:@default=no@:>@]),
[enable_cov=$enableval],[enable_cov="no"])
if test "x$enable_coverage" = "xyes"; then
if test "x$CHECK_LIBS" = "x"; then
AC_MSG_ERROR([Coverage testing required, but unit tests not enabled!])
fi
if test "x$ac_compiler_gnu" != "xyes"; then
AC_MSG_ERROR([coverage testing only works if gcc is used])
fi
CFLAGS="$CFLAGS -fprofile-arcs -ftest-coverage"
LDFLAGS="$LDFLAGS -lgcov"
AC_CHECK_PROGS(GCOV, gcov, false)
AC_CHECK_PROGS(LCOV, lcov, false)
AC_CHECK_PROGS(GENHTML, genhtml, false)
fi
AM_CONDITIONAL(ENABLE_COVERAGE, test "x$enable_coverage" = "xyes")
have_pthreads=no
AC_CHECK_HEADER([pthread.h],[have_pthreads=yes],)
AM_MAINTAINER_MODE
dnl Check for zlib
AC_MSG_CHECKING([for zlib installation])
AC_ARG_WITH([zlib],
[ --with-zlib=DIR path to directory containing zlib library (default=
/usr/local or /usr if not found in /usr/local)],
[
if test "$withval"; then
ZLIB_HOME="$withval"
AC_MSG_RESULT([using $ZLIB_HOME])
fi
], [
ZLIB_HOME=/usr/local
if test ! -f "$ZLIB_HOME/include/zlib.h"
then
ZLIB_HOME=/usr
fi
AC_MSG_RESULT([$ZLIB_HOME])
])
CLAMDSCAN_LIBS="$FRESHCLAM_LIBS"
AC_ARG_ENABLE([zlib-vcheck],
[ --disable-zlib-vcheck do not check for buggy zlib version ],
zlib_check=$enableval, zlib_check="yes")
if test ! -f "$ZLIB_HOME/include/zlib.h"
then
AC_MSG_ERROR([Please install zlib and zlib-devel packages])
else
vuln=`grep "ZLIB_VERSION \"1.2.0" $ZLIB_HOME/include/zlib.h`
if test -z "$vuln"; then
vuln=`grep "ZLIB_VERSION \"1.2.1" $ZLIB_HOME/include/zlib.h`
fi
if test -n "$vuln"; then
if test "$zlib_check" = "yes"; then
AC_MSG_ERROR(The installed zlib version may contain a security bug. Please upgrade to 1.2.2 or later: http://www.zlib.net. You can omit this check with --disable-zlib-vcheck but DO NOT REPORT any stability issues then!)
else
AC_MSG_WARN([****** This ClamAV installation may be linked against])
AC_MSG_WARN([****** a broken zlib version. Please DO NOT report any])
AC_MSG_WARN([****** stability problems to the ClamAV developers!])
fi
fi
save_LIBS="$LIBS"
if test "$ZLIB_HOME" != "/usr"; then
CPPFLAGS="$CPPFLAGS -I$ZLIB_HOME/include"
save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -L$ZLIB_HOME/lib"
AC_CHECK_LIB([z], [inflateEnd], [LIBCLAMAV_LIBS="$LIBCLAMAV_LIBS -L$ZLIB_HOME/lib -lz"; FRESHCLAM_LIBS="$FRESHCLAM_LIBS -L$ZLIB_HOME/lib -lz"], AC_MSG_ERROR([Please install zlib and zlib-devel packages]))
AC_CHECK_LIB([z], [gzopen], [], AC_MSG_ERROR([Your zlib is missing gzopen()]))
LDFLAGS="$save_LDFLAGS"
else
AC_CHECK_LIB([z], [inflateEnd], [LIBCLAMAV_LIBS="$LIBCLAMAV_LIBS -lz";FRESHCLAM_LIBS="$FRESHCLAM_LIBS -lz"], AC_MSG_ERROR([Please install zlib and zlib-devel packages]))
AC_CHECK_LIB([z], [gzopen],[], AC_MSG_ERROR([Your zlib is missing gzopen()]))
fi
LIBS="$save_LIBS"
fi
AC_ARG_ENABLE([bzip2],
[ --disable-bzip2 disable bzip2 support],
want_bzip2=$enableval, want_bzip2="yes")
bzip_check="ok"
if test "$want_bzip2" = "yes"
then
AC_LIB_LINKFLAGS([bz2])
save_LDFLAGS="$LDFLAGS"
# Only add -L if prefix is not empty
test -z "$LIBBZ2_PREFIX" || LDFLAGS="$LDFLAGS -L$LIBBZ2_PREFIX/$acl_libdirstem";
have_bzprefix="no"
AC_CHECK_LIB([bz2], [BZ2_bzDecompressInit], [have_bzprefix="yes"])
if test "x$have_bzprefix" = "xno"; then
AC_DEFINE([NOBZ2PREFIX],1,[bzip funtions do not have bz2 prefix])
fi
LDFLAGS="$save_LDFLAGS"
if test "$HAVE_LIBBZ2" = "yes"; then
AC_CHECK_HEADER([bzlib.h],
[AC_C_CVE_2008_1372],
[ac_cv_c_cve_2008_1372="no"])
if test "$ac_cv_c_cve_2008_1372" = "bugged"; then
AC_MSG_WARN([****** bzip2 libraries are affected by the CVE-2008-1372 bug])
AC_MSG_WARN([****** We strongly suggest you to update to bzip2 1.0.5.])
AC_MSG_WARN([****** Please do not report stability problems to the ClamAV developers!])
bzip_check="bugged (CVE-2008-1372)"
fi
if test "$ac_cv_c_cve_2008_1372" = "linkfailed"; then
dnl This shouldn't happen
dnl We failed to link but libtool may still be able to link, so don't disable bzip2 just yet
AC_MSG_WARN([****** Unable to link bzip2 testcase])
AC_MSG_WARN([****** You may be affected by CVE-2008-1372 bug, but I need to be able to link a testcase to verify])
AC_MSG_WARN([****** It is recommended to fix your build environment so that we can run the testcase!])
AC_MSG_WARN([****** Please do not report stability problems to the ClamAV developers!])
bzip_check="link failed (CVE-2008-1372)"
fi
case "$ac_cv_c_cve_2008_1372" in
ok|bugged|linkfailed)
;;
*)
HAVE_LIBBZ2=no
;;
esac
fi
if test "$HAVE_LIBBZ2" = "yes"; then
AC_C_CVE_2010_0405
if test "$ac_cv_c_cve_2010_0405" = "bugged"; then
AC_MSG_WARN([****** bzip2 libraries are affected by the CVE-2010-0405 bug])
AC_MSG_WARN([****** We strongly suggest you to update bzip2])
AC_MSG_WARN([****** Please do not report stability problems to the ClamAV developers!])
bzip_check="bugged (CVE-2010-0405)"
fi
if test "$ac_cv_c_cve_2010_0405" = "linkfailed"; then
dnl This shouldn't happen
dnl We failed to link but libtool may still be able to link, so don't disable bzip2 just yet
AC_MSG_WARN([****** Unable to link bzip2 testcase])
AC_MSG_WARN([****** You may be affected by CVE-2010-0405 bug, but I need to be able to link a testcase to verify])
AC_MSG_WARN([****** It is recommended to fix your build environment so that we can run the testcase!])
AC_MSG_WARN([****** Please do not report stability problems to the ClamAV developers!])
bzip_check="link failed (CVE-2010-0405)"
fi
case "$ac_cv_c_cve_2010_0405" in
ok|bugged|linkfailed)
LIBCLAMAV_LIBS="$LIBCLAMAV_LIBS $LTLIBBZ2"
AC_DEFINE([HAVE_BZLIB_H],1,[have bzip2])
;;
*)
AC_MSG_WARN([****** bzip2 support disabled])
;;
esac
else
AC_MSG_WARN([****** bzip2 support disabled])
fi
fi
AM_CONDITIONAL([HAVE_LIBBZ2], test "x$HAVE_LIBBZ2" = "xyes")
AC_ARG_ENABLE([unrar],
[ --disable-unrar do not build libclamunrar and libclamunrar_iface ],
want_unrar=$enableval, want_unrar="yes")
AM_CONDITIONAL([ENABLE_UNRAR],[test "$want_unrar" = "yes"])
dnl libxml2
want_xml="auto"
AC_ARG_ENABLE([xml],
[ --disable-xml disable DMG and XAR support],
want_xml=$enableval, want_xml="auto")
XML_HOME=""
if test "X$want_xml" != "Xno"; then
AC_MSG_CHECKING([for libxml2 installation])
AC_ARG_WITH([xml],
[ --with-xml=DIR path to directory containing libxml2 library (default=
/usr/local or /usr if not found in /usr/local)],
[
if test "$withval"
then
XML_HOME="$withval"
AC_MSG_RESULT([using $XML_HOME])
else
AC_MSG_ERROR([cannot assign blank value to --with-xml])
fi
], [
XML_HOME=/usr/local
if test ! -x "$XML_HOME/bin/xml2-config"
then
XML_HOME=/usr
if test ! -x "$XML_HOME/bin/xml2-config"
then
XML_HOME=""
fi
fi
if test "x$XML_HOME" != "x"; then
AC_MSG_RESULT([$XML_HOME])
else
AC_MSG_RESULT([not found])
fi
])
fi
found_xml="no"
XMLCONF_VERSION=""
XML_CPPFLAGS=""
XML_LIBS=""
if test "x$XML_HOME" != "x"; then
AC_MSG_CHECKING([xml2-config version])
XMLCONF_VERSION="`$XML_HOME/bin/xml2-config --version`"
if test "x%XMLCONF_VERSION" != "x"; then
AC_MSG_RESULT([$XMLCONF_VERSION])
found_xml="yes"
XML_CPPFLAGS="`$XML_HOME/bin/xml2-config --cflags`"
XML_LIBS="`$XML_HOME/bin/xml2-config --libs`"
else
AC_MSG_ERROR([xml2-config failed])
fi
fi
working_xml="no"
if test "X$found_xml" != "Xno"; then
AC_MSG_CHECKING([for xmlreader.h in $XML_HOME])
if test ! -f "$XML_HOME/include/libxml2/libxml/xmlreader.h"; then
AC_MSG_RESULT([not found])
else
AC_MSG_RESULT([found])
save_LIBS="$LIBS"
save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $XML_CPPFLAGS"
save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS $XML_LIBS"
AC_CHECK_LIB([xml2], [xmlTextReaderRead], [working_xml="yes"], [working_xml="no"])
CPPFLAGS="$save_CPPFLAGS"
LDFLAGS="$save_LDFLAGS"
LIBS="$save_LIBS"
fi
fi
if test "$working_xml" = "yes"; then
AC_DEFINE([HAVE_LIBXML2],1,[Define to 1 if you have the 'libxml2' library (-lxml2).])
AC_SUBST(XML_CPPFLAGS)
AC_SUBST(XML_LIBS)
AC_MSG_NOTICE([Compiling and linking with libxml2 from $XML_HOME])
else
if test "$want_xml" = "yes"; then
AC_MSG_ERROR([****** Please install libxml2 packages!])
else
if test "$want_xml" != "no"; then
AC_MSG_NOTICE([****** libxml2 support unavailable])
fi
fi
XML_CPPFLAGS=""
XML_LIBS=""
AC_SUBST(XML_CPPFLAGS)
AC_SUBST(XML_LIBS)
fi
AC_ARG_ENABLE([getaddrinfo],
[ --disable-getaddrinfo disable support for getaddrinfo],
want_getaddrinfo=$enableval, want_getaddrinfo="yes")
if test "$want_getaddrinfo" = "yes"
then
AC_MSG_CHECKING([for getaddrinfo])
AC_CACHE_VAL([have_cv_gai],[
AC_TRY_RUN([
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <unistd.h>
int main(int argc, char **argv)
{
struct addrinfo *res;
int sd;
if(getaddrinfo("127.0.0.1", NULL, NULL, &res) < 0)
return 1;
freeaddrinfo(res);
return 0;
}
],
[have_cv_gai=yes],
[have_cv_gai=no],
[have_cv_gai=no])
])
AC_MSG_RESULT([$have_cv_gai])
if test "$have_cv_gai" = yes; then
AC_DEFINE(HAVE_GETADDRINFO, 1, [have getaddrinfo()])
fi
fi
AC_ARG_ENABLE([ipv6],
[ --disable-ipv6 disable IPv6 support],
want_ipv6=$enableval, want_ipv6="yes")
if test "$want_ipv6" = "yes"
then
AC_MSG_CHECKING([for IPv6 support])
AC_CACHE_VAL([have_cv_ipv6],[
AC_TRY_RUN([
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <unistd.h>
int main(int argc, char **argv)
{
struct addrinfo *res, hints;
int sd;
if((sd = socket(AF_INET6, SOCK_STREAM, 0)) < 0)
return 1;
close(sd);
/* also check if getaddrinfo() handles AF_UNSPEC -- bb#1196 */
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
if(getaddrinfo("127.0.0.1", NULL, &hints, &res) < 0)
return 1;
freeaddrinfo(res);
return 0;
}
],
[have_cv_ipv6=yes],
[have_cv_ipv6=no],
[have_cv_ipv6=no])
])
AC_MSG_RESULT([$have_cv_ipv6])
if test "$have_cv_ipv6" = yes; then
AC_DEFINE(SUPPORT_IPv6, 1, [Support for IPv6])
fi
fi
AC_C_DNS
AC_ARG_ENABLE([fanotify],
[ --disable-fanotify disable fanotify support (Linux only)],
want_fanotify=$enableval, want_fanotify="yes")
dnl AC_FUNC_SETPGRP does not work when cross compiling
dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
dnl testcase from gdb/configure.ac
if test "$cross_compiling" = no; then
AC_FUNC_SETPGRP
else
AC_CACHE_CHECK([whether setpgrp takes no argument], [ac_cv_func_setpgrp_void],
[AC_TRY_COMPILE([
#include <unistd.h>
], [
if (setpgrp(1,1) == -1)
exit (0);
else
exit (1);
], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
if test $ac_cv_func_setpgrp_void = yes; then
AC_DEFINE([SETPGRP_VOID], 1)
fi
fi
AC_ARG_ENABLE([milter],
[ --enable-milter build clamav-milter],
have_milter=$enableval, have_milter="no")
dnl we need to try to link with iconv, otherwise there could be a
dnl mismatch between a 32-bit and 64-bit lib. Detect this at configure time.
dnl we need to check after zlib/bzip2, because they can change the include path
AC_ARG_WITH([iconv], [ --with-iconv supports iconv() (default=auto)],
[
case "$withval" in
yes|no) wiconv="$withval";;
*) AC_MSG_ERROR([--with-iconv does not take an argument]);;
esac],
[ wiconv=auto ])
if test "X$wiconv" != "Xno"; then
AC_CHECK_LIB([iconv], [libiconv_open], LIBCLAMAV_LIBS="$LIBCLAMAV_LIBS -liconv")
AC_MSG_CHECKING([for iconv])
save_LIBS="$LIBS"
LIBS="$LIBCLAMAV_LIBS"
AC_TRY_LINK([
#include <iconv.h>
],[
char** xin,**xout;
unsigned long il,ol;
int rc;
iconv_t iconv_struct = iconv_open("UTF-16BE","UTF-8");
rc = iconv(iconv_struct,xin,&il,xout,&ol);
iconv_close(iconv_struct);
],[
AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_ICONV], 1, [iconv() available])
],[
AC_MSG_RESULT(no)
])
LIBS="$save_LIBS"
fi
AC_ARG_ENABLE([pthreads],
[ --disable-pthreads disable POSIX threads support],
have_pthreads=$enableval,)
AC_ARG_ENABLE([cr],
[ --disable-cr do not link with C reentrant library (BSD) ],
use_cr=$enableval,)
AC_ARG_ENABLE([id-check],
[ --enable-id-check use id utility instead of /etc/passwd parsing],
use_id=$enableval, use_id="no")
AC_ARG_ENABLE([yp-check],
[ --enable-yp-check use ypmatch utility instead of /etc/passwd parsing],
use_yp=$enableval, use_yp="no")
AC_ARG_WITH([user],
[ --with-user=uid name of the clamav user (default=clamav)],
clamav_user="$withval", clamav_user="clamav")
AC_ARG_WITH([group],
[ --with-group=gid name of the clamav group (default=clamav)],
clamav_group="$withval", clamav_group="clamav")
AC_DEFINE_UNQUOTED([CLAMAVUSER],"$clamav_user",[name of the clamav user])
AC_DEFINE_UNQUOTED([CLAMAVGROUP],"$clamav_group",[name of the clamav group])
AC_ARG_ENABLE([clamav],
[ --disable-clamav disable test for clamav user/group],
test_clamav=$enableval, test_clamav=yes)
AC_ARG_ENABLE([debug],
[ --enable-debug enable debug code],
enable_debug=$enableval, enable_debug="no")
if test "$enable_debug" = "yes"; then
VERSION_SUFFIX="$VERSION_SUFFIX-debug"
AC_DEFINE([CL_DEBUG],1,[enable debugging])
else
AC_DEFINE([NDEBUG],1,[disable assertions])
fi
AC_ARG_WITH([version],
[ --with-version=STR use custom version string (dev only)],
VERSION="$withval", )
AC_ARG_ENABLE([no-cache],
[ --enable-no-cache use "Cache-Control: no-cache" in freshclam],
enable_nocache=$enableval, enable_nocache="no")
if test "$enable_nocache" = "yes"; then
AC_DEFINE([FRESHCLAM_NO_CACHE],1,[use "Cache-Control: no-cache" in freshclam])
fi
AC_ARG_ENABLE([dns-fix],
[ --enable-dns-fix enable workaround for broken DNS servers (as in SpeedTouch 510)],
enable_dnsfix=$enableval, enable_dnsfix="no")
if test "$enable_dnsfix" = "yes"; then
AC_DEFINE([FRESHCLAM_DNS_FIX],1,[enable workaround for broken DNS servers])
fi
AC_ARG_ENABLE([bigstack],
[ --enable-bigstack increase thread stack size],
enable_bigstack=$enableval, enable_bigstack="no")
if test "$enable_bigstack" = "yes"; then
AC_DEFINE([C_BIGSTACK],1,[Increase thread stack size.])
fi
AC_ARG_WITH([dbdir],
[ --with-dbdir=path path to virus database directory],
db_dir="$withval", db_dir="_default_")
dnl I had problems with $pkgdatadir thus these funny checks
if test "$db_dir" = "_default_"
then
if test "$prefix" = "NONE"
then
db_dir="$ac_default_prefix/share/clamav"
else
db_dir="$prefix/share/clamav"
fi
fi
AC_DEFINE_UNQUOTED([DATADIR],"$db_dir", [Path to virus database directory.])
DBDIR="$db_dir"
AC_SUBST([DBDIR])
dnl configure config directory
cfg_dir=`echo $sysconfdir | grep prefix`
if test -n "$cfg_dir"; then
if test "$prefix" = "NONE"
then
cfg_dir="$ac_default_prefix/etc"
else
cfg_dir="$prefix/etc"
fi
else
cfg_dir="$sysconfdir"
fi
CFGDIR=$cfg_dir
AC_SUBST([CFGDIR])
AC_DEFINE_UNQUOTED([CONFDIR],"$cfg_dir",[where to look for the config file])
dnl check for in_port_t definition
AC_MSG_CHECKING([whether in_port_t is defined])
AC_TRY_COMPILE([