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configure.ac
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configure.ac
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dnl Process this file with autoconf to produce a configure script.
AC_INIT([rsync],[ ],[https://rsync.samba.org/bug-tracking.html])
AC_C_BIGENDIAN
AC_HEADER_DIRENT
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h \
unistd.h utime.h compat.h sys/param.h ctype.h sys/wait.h sys/stat.h \
sys/ioctl.h sys/filio.h string.h stdlib.h sys/socket.h sys/mode.h grp.h \
sys/un.h sys/attr.h arpa/inet.h arpa/nameser.h locale.h sys/types.h \
netdb.h malloc.h float.h limits.h iconv.h libcharset.h langinfo.h mcheck.h \
sys/acl.h acl/libacl.h attr/xattr.h sys/xattr.h sys/extattr.h dl.h \
popt.h popt/popt.h linux/falloc.h netinet/in_systm.h netgroup.h \
zlib.h xxhash.h openssl/md4.h openssl/md5.h zstd.h lz4.h sys/file.h \
bsd/string.h)
AC_CHECK_HEADERS([netinet/ip.h], [], [], [[#include <netinet/in.h>]])
AC_HEADER_MAJOR_FIXED
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_SRCDIR([byteorder.h])
AC_CONFIG_HEADERS([config.h])
AC_PREREQ([2.69])
PACKAGE_VERSION=`sed -n 's/.*RSYNC_VERSION.*"\(.*\)".*/\1/p' <$srcdir/version.h`
AC_MSG_NOTICE([Configuring rsync $PACKAGE_VERSION])
LDFLAGS=${LDFLAGS-""}
AC_CANONICAL_HOST
dnl define the directory for replacement function since AC_LIBOBJ does not
dnl officially support subdirs and fails with automake
AC_CONFIG_LIBOBJ_DIR([lib])
# We must decide this before testing the compiler.
# Please allow this to default to yes, so that your users have more
# chance of getting a useful stack trace if problems occur.
AC_MSG_CHECKING([whether to include debugging symbols])
AC_ARG_ENABLE(debug,
AS_HELP_STRING([--disable-debug],[disable to omit debugging symbols and features]))
if test x"$enable_debug" = x"no"; then
AC_MSG_RESULT(no)
ac_cv_prog_cc_g=no
else
AC_MSG_RESULT([yes])
dnl AC_DEFINE(DEBUG, 1, [Define to turn on debugging code that may slow normal operation])
# leave ac_cv_prog_cc_g alone; AC_PROG_CC will try to include -g if it can
fi
dnl Checks for programs.
AC_PROG_CC
AC_PROG_CPP
AC_PROG_CXX
AC_PROG_AWK
AC_PROG_EGREP
AC_PROG_INSTALL
AC_PROG_MKDIR_P
AC_SUBST(SHELL)
AC_PATH_PROG([PERL], [perl])
AC_PATH_PROG([PYTHON3], [python3])
AC_DEFINE([_GNU_SOURCE], 1,
[Define _GNU_SOURCE so that we get all necessary prototypes])
if test x"$ac_cv_prog_cc_stdc" = x"no"; then
AC_MSG_WARN([rsync requires an ANSI C compiler and you do not seem to have one])
fi
no_lib=''
err_msg=''
nl='
'
AC_ARG_ENABLE(profile,
AS_HELP_STRING([--enable-profile],[enable to turn on CPU profiling]))
if test x"$enable_profile" = x"yes"; then
CFLAGS="$CFLAGS -pg"
fi
AC_MSG_CHECKING([if md2man can create manpages])
if test x"$ac_cv_path_PYTHON3" = x; then
AC_MSG_RESULT(no - python3 not found)
md2man_works=no
else
md2man_out=`"$srcdir/md2man" --test "$srcdir/rsync-ssl.1.md" 2>&1`
if test $? = 0; then
AC_MSG_RESULT(yes)
md2man_works=yes
else
AC_MSG_RESULT(no)
md2man_works=no
echo "$md2man_out"
fi
fi
AC_MSG_CHECKING([if we require man-page building])
AC_ARG_ENABLE([md2man],
AS_HELP_STRING([--disable-md2man],[disable to omit manpage creation]))
if test x"$enable_md2man" != x"no"; then
if test -f "$srcdir/rsync.1"; then
AC_MSG_RESULT(optional)
else
AC_MSG_RESULT(required)
if test x"$md2man_works" = x"no"; then
err_msg="$err_msg$nl- You need python3 and either the cmarkgfm OR commonmark python3 lib in order"
err_msg="$err_msg$nl to build manpages based on the git source (manpages are included in the"
err_msg="$err_msg$nl official release tar files)."
no_lib="$no_lib md2man"
fi
fi
MAKE_MAN=man
else
AC_MSG_RESULT(no)
fi
# Specifically, this turns on panic_action handling.
AC_ARG_ENABLE(maintainer-mode,
AS_HELP_STRING([--enable-maintainer-mode],[enable to turn on extra debug features]))
if test x"$enable_maintainer_mode" = x"yes"; then
CFLAGS="$CFLAGS -DMAINTAINER_MODE"
fi
# This is needed for our included version of popt. Kind of silly, but
# I don't want our version too far out of sync.
CFLAGS="$CFLAGS -DHAVE_CONFIG_H"
# If GCC, turn on warnings.
if test x"$GCC" = x"yes"; then
CFLAGS="$CFLAGS -Wall -W"
fi
AC_ARG_WITH(openssl-conf,
AS_HELP_STRING([--with-openssl-conf=PATH],[set default OPENSSL_CONF path for rsync]))
case "$with_openssl_conf" in
*[^-/a-zA-Z0-9.,=@+_]*) AC_MSG_ERROR([Invalid path given to --with-openssl-conf]) ;;
/*) CFLAGS="$CFLAGS -DSET_OPENSSL_CONF=$with_openssl_conf" ;;
no|'') ;;
yes) AC_MSG_ERROR([No path given to --with-openssl-conf]) ;;
*) AC_MSG_ERROR([Non absolute path given to --with-openssl-conf]) ;;
esac
AC_ARG_WITH(rrsync,
AS_HELP_STRING([--with-rrsync],[also install the rrsync script and its manpage]))
if test x"$with_rrsync" != x"yes"; then
with_rrsync=no
else
MAKE_RRSYNC='rrsync'
MAKE_RRSYNC_1='rrsync.1'
GEN_RRSYNC='rrsync.1 rrsync.1.html'
fi
AC_SUBST(with_rrsync)
AC_ARG_WITH(included-popt,
AS_HELP_STRING([--with-included-popt],[use bundled popt library, not from system]))
AC_ARG_WITH(included-zlib,
AS_HELP_STRING([--with-included-zlib],[use bundled zlib library, not from system]))
AC_ARG_WITH(secluded-args,
AS_HELP_STRING([--with-secluded-args],[make --secluded-args option the default]))
if test x"$with_secluded_args" = x"yes"; then
AC_DEFINE_UNQUOTED(RSYNC_USE_SECLUDED_ARGS, 1, [Define to 1 if --secluded-args should be the default])
fi
AC_ARG_WITH(rsync-path,
AS_HELP_STRING([--with-rsync-path=PATH],[set default --rsync-path to PATH (default: rsync)]),
[ RSYNC_PATH="$with_rsync_path" ],
[ RSYNC_PATH="rsync" ])
AC_DEFINE_UNQUOTED(RSYNC_PATH, "$RSYNC_PATH", [location of rsync on remote machine])
AC_ARG_WITH(rsyncd-conf,
AS_HELP_STRING([--with-rsyncd-conf=PATH],[set configuration file for rsync server to PATH (default: /etc/rsyncd.conf)]),
[ if test ! -z "$with_rsyncd_conf" ; then
case $with_rsyncd_conf in
yes|no)
RSYNCD_SYSCONF="/etc/rsyncd.conf"
;;
/*)
RSYNCD_SYSCONF="$with_rsyncd_conf"
;;
*)
AC_MSG_ERROR(You must specify an absolute path to --with-rsyncd-conf=PATH)
;;
esac
else
RSYNCD_SYSCONF="/etc/rsyncd.conf"
fi ],
[ RSYNCD_SYSCONF="/etc/rsyncd.conf" ])
AC_DEFINE_UNQUOTED(RSYNCD_SYSCONF, "$RSYNCD_SYSCONF", [location of configuration file for rsync server])
AC_ARG_WITH(rsh,
AS_HELP_STRING([--with-rsh=CMD],[set remote shell command to CMD (default: ssh)]))
AC_CHECK_PROG(HAVE_REMSH, remsh, 1, 0)
if test x$HAVE_REMSH = x1; then
AC_DEFINE(HAVE_REMSH, 1, [Define to 1 if remote shell is remsh, not rsh])
fi
if test x"$with_rsh" != x; then
RSYNC_RSH="$with_rsh"
else
RSYNC_RSH="ssh"
fi
AC_DEFINE_UNQUOTED(RSYNC_RSH, "$RSYNC_RSH", [default -e command])
# Some programs on solaris are only found in /usr/xpg4/bin (or work better than others versions).
AC_PATH_PROG(SHELL_PATH, sh, /bin/sh, [/usr/xpg4/bin$PATH_SEPARATOR$PATH])
AC_PATH_PROG(FAKEROOT_PATH, fakeroot, /usr/bin/fakeroot, [/usr/xpg4/bin$PATH_SEPARATOR$PATH])
AC_ARG_WITH(nobody-user,
AS_HELP_STRING([--with-nobody-user=USER],[set the default unprivileged user (default nobody)]),
[ NOBODY_USER="$with_nobody_user" ],
[ NOBODY_USER="nobody" ])
AC_ARG_WITH(nobody-group,
AS_HELP_STRING([--with-nobody-group=GROUP],[set the default unprivileged group (default nobody or nogroup)]),
[ NOBODY_GROUP="$with_nobody_group" ])
if test x"$with_nobody_group" = x; then
AC_MSG_CHECKING([the group for user "nobody"])
if grep '^nobody:' /etc/group >/dev/null 2>&1; then
NOBODY_GROUP=nobody
elif grep '^nogroup:' /etc/group >/dev/null 2>&1; then
NOBODY_GROUP=nogroup
else
NOBODY_GROUP=nobody # test for others?
fi
AC_MSG_RESULT($NOBODY_GROUP)
fi
AC_DEFINE_UNQUOTED(NOBODY_USER, "$NOBODY_USER", [unprivileged user--e.g. nobody])
AC_DEFINE_UNQUOTED(NOBODY_GROUP, "$NOBODY_GROUP", [unprivileged group for unprivileged user])
# rolling-checksum SIMD optimizations
ROLL_SIMD=
AC_MSG_CHECKING([whether to enable rolling-checksum SIMD optimizations])
AC_ARG_ENABLE(roll-simd,
AS_HELP_STRING([--enable-roll-simd],[enable/disable to control rolling-checksum SIMD optimizations (requires c++)]))
# Clag is crashing with -g -O2, so we'll get rid of -g for now.
CXXFLAGS=`echo "$CXXFLAGS" | sed 's/-g //'`
m4_define(SIMD_X86_64_TEST, [[#include <stdio.h>
#if HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include <immintrin.h>
__attribute__ ((target("default"))) int test_ssse3(int x) { return x; }
__attribute__ ((target("default"))) int test_sse2(int x) { return x; }
__attribute__ ((target("default"))) int test_avx2(int x) { return x; }
__attribute__ ((target("ssse3"))) int test_ssse3(int x) { return x; }
__attribute__ ((target("sse2"))) int test_sse2(int x) { return x; }
__attribute__ ((target("avx2"))) int test_avx2(int x) { return x; }
typedef long long __m128i_u __attribute__((__vector_size__(16), __may_alias__, __aligned__(1)));
typedef long long __m256i_u __attribute__((__vector_size__(32), __may_alias__, __aligned__(1)));
__attribute__ ((target("default"))) void more_testing(char* buf, int len) { }
__attribute__ ((target("ssse3"))) void more_testing(char* buf, int len)
{
int i;
for (i = 0; i < (len-32); i+=32) {
__m128i in8_1, in8_2;
in8_1 = _mm_lddqu_si128((__m128i_u*)&buf[i]);
in8_2 = _mm_lddqu_si128((__m128i_u*)&buf[i + 16]);
}
}
]])
if test x"$enable_roll_simd" = x""; then
case "$host_os" in
*linux*) ;;
*) enable_roll_simd=no ;;
esac
fi
if test x"$enable_roll_simd" != x"no"; then
# For x86-64 SIMD, g++ >=5 or clang++ >=7 is required
if test x"$host_cpu" = x"x86_64" || test x"$host_cpu" = x"amd64"; then
AC_LANG(C++)
if test x"$host" = x"$build"; then
AC_RUN_IFELSE([AC_LANG_PROGRAM([SIMD_X86_64_TEST],[[if (test_ssse3(42) != 42 || test_sse2(42) != 42 || test_avx2(42) != 42) exit(1);]])],
[CXX_OK=yes],[CXX_OK=no])
else
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([SIMD_X86_64_TEST])],[CXX_OK=yes],[CXX_OK=no])
fi
AC_LANG(C)
if test x"$CXX_OK" = x"yes"; then
# AC_MSG_RESULT() is called below.
ROLL_SIMD="$host_cpu"
elif test x"$enable_roll_simd" = x"yes"; then
AC_MSG_RESULT(error)
AC_MSG_ERROR(The rolling-checksum SIMD compilation test failed.
Omit --enable-roll-simd to continue without it.)
fi
elif test x"$enable_roll_simd" = x"yes"; then
AC_MSG_RESULT(unavailable)
AC_MSG_ERROR(The rolling-checksum SIMD optimizations are currently x86_64|amd64 only.
Omit --enable-roll-simd to continue without it.)
fi
fi
if test x"$ROLL_SIMD" != x""; then
AC_MSG_RESULT([yes ($ROLL_SIMD)])
AC_DEFINE(USE_ROLL_SIMD, 1, [Define to 1 to enable rolling-checksum SIMD optimizations])
ROLL_SIMD='$(ROLL_SIMD_'"$ROLL_SIMD)"
# We only use c++ for its target attribute dispatching, disable unneeded bulky features
CXXFLAGS="$CXXFLAGS -fno-exceptions -fno-rtti"
# Apple often has "g++" as a symlink for clang. Try to find out the truth.
CXX_VERSION=`$CXX --version 2>/dev/null | head -n 2`
case "$CXX_VERSION" in
*clang*) CXXFLAGS="$CXXFLAGS -fno-slp-vectorize" ;; # avoid a performance hit
esac
else
AC_MSG_RESULT(no)
fi
AC_SUBST(ROLL_SIMD)
AC_MSG_CHECKING([if assembler accepts noexecstack])
OLD_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wa,--noexecstack"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[return 0;]])],
[ NOEXECSTACK='-Wa,--noexecstack' ; AC_MSG_RESULT(yes) ],
[ NOEXECSTACK='' ; AC_MSG_RESULT(no) ])
CFLAGS="$OLD_CFLAGS"
AC_SUBST(NOEXECSTACK)
# arrgh. libc in some old debian version screwed up the largefile
# stuff, getting byte range locking wrong
AC_CACHE_CHECK([for broken largefile support],rsync_cv_HAVE_BROKEN_LARGEFILE,[
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#define _FILE_OFFSET_BITS 64
$ac_includes_default
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#elif defined HAVE_SYS_FCNTL_H
# include <sys/fcntl.h>
#endif
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
int main(void)
{
struct flock lock;
int status;
char tpl[32] = "/tmp/locktest.XXXXXX";
int fd = mkstemp(tpl);
if (fd < 0) {
strcpy(tpl, "conftest.dat");
fd = open(tpl, O_CREAT|O_RDWR, 0600);
}
lock.l_type = F_WRLCK;
lock.l_whence = SEEK_SET;
lock.l_start = 0;
lock.l_len = 1;
lock.l_pid = 0;
fcntl(fd,F_SETLK,&lock);
if (fork() == 0) {
lock.l_start = 1;
_exit(fcntl(fd,F_SETLK,&lock) == 0);
}
wait(&status);
unlink(tpl);
return WEXITSTATUS(status);
}
]])],[rsync_cv_HAVE_BROKEN_LARGEFILE=yes],[rsync_cv_HAVE_BROKEN_LARGEFILE=no],[rsync_cv_HAVE_BROKEN_LARGEFILE=cross])])
if test x"$rsync_cv_HAVE_BROKEN_LARGEFILE" != x"yes"; then
AC_SYS_LARGEFILE
fi
AC_MSG_CHECKING([whether to enable ipv6])
AC_ARG_ENABLE(ipv6,
AS_HELP_STRING([--disable-ipv6],[disable to omit ipv6 support]),
[ case "$enableval" in
no)
AC_MSG_RESULT(no)
;;
*) AC_MSG_RESULT(yes)
AC_DEFINE(INET6, 1, [true if you have IPv6])
;;
esac ],
AC_RUN_IFELSE([AC_LANG_SOURCE([[ /* AF_INET6 availability check */
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
int main()
{
if (socket(AF_INET6, SOCK_STREAM, 0) < 0)
exit(1);
else
exit(0);
}
]])],
[AC_MSG_RESULT(yes)
AC_DEFINE(INET6, 1, true if you have IPv6)],
[AC_MSG_RESULT(no)],
[AC_MSG_RESULT(no)]
))
dnl Do you want to disable use of locale functions
AC_ARG_ENABLE([locale],
AS_HELP_STRING([--disable-locale],[disable to omit locale features]))
AH_TEMPLATE([CONFIG_LOCALE],
[Undefine if you do not want locale features. By default this is defined.])
if test x"$enable_locale" != x"no"; then
AC_DEFINE(CONFIG_LOCALE)
fi
AC_MSG_CHECKING([whether to call shutdown on all sockets])
case $host_os in
*cygwin* ) AC_MSG_RESULT(yes)
AC_DEFINE(SHUTDOWN_ALL_SOCKETS, 1,
[Define to 1 if sockets need to be shutdown])
;;
* ) AC_MSG_RESULT(no);;
esac
# We default to using our zlib unless --with-included-zlib=no is given.
if test x"$with_included_zlib" != x"no"; then
with_included_zlib=yes
elif test x"$ac_cv_header_zlib_h" != x"yes"; then
with_included_zlib=yes
fi
if test x"$with_included_zlib" != x"yes"; then
AC_CHECK_LIB(z, deflateParams, , [with_included_zlib=yes])
fi
AC_MSG_CHECKING([whether to use included zlib])
if test x"$with_included_zlib" = x"yes"; then
AC_MSG_RESULT($srcdir/zlib)
BUILD_ZLIB='$(zlib_OBJS)'
CFLAGS="-I$srcdir/zlib $CFLAGS"
else
AC_DEFINE(EXTERNAL_ZLIB, 1, [Define to 1 if using external zlib])
AC_MSG_RESULT(no)
fi
AC_MSG_CHECKING([whether to enable use of openssl crypto library])
AC_ARG_ENABLE([openssl],
AS_HELP_STRING([--disable-openssl],[disable to omit openssl crypto library]))
AH_TEMPLATE([USE_OPENSSL],
[Undefine if you do not want to use openssl crypto library. By default this is defined.])
if test x"$enable_openssl" != x"no"; then
if test x"$ac_cv_header_openssl_md4_h" = x"yes" && test x"$ac_cv_header_openssl_md5_h" = x"yes"; then
AC_MSG_RESULT(yes)
AC_SEARCH_LIBS(EVP_MD_CTX_copy, crypto,
[AC_DEFINE(USE_OPENSSL)
enable_openssl=yes],
[err_msg="$err_msg$nl- Failed to find EVP_MD_CTX_copy function in openssl crypto lib.";
no_lib="$no_lib openssl"])
else
AC_MSG_RESULT(no)
err_msg="$err_msg$nl- Failed to find openssl/md4.h and openssl/md5.h for openssl crypto lib support."
no_lib="$no_lib openssl"
fi
if test x"$enable_md5_asm" != x"yes"; then
enable_md5_asm=no
fi
else
AC_MSG_RESULT(no)
fi
MD5_ASM=
AC_MSG_CHECKING([whether to enable MD5 ASM optimizations])
AC_ARG_ENABLE(md5-asm,
AS_HELP_STRING([--enable-md5-asm],[enable/disable to control MD5 ASM optimizations]))
if test x"$enable_md5_asm" = x""; then
case "$host_os" in
*linux*) ;;
*) enable_md5_asm=no ;;
esac
fi
if test x"$enable_md5_asm" != x"no"; then
if test x"$host_cpu" = x"x86_64" || test x"$host_cpu" = x"amd64"; then
MD5_ASM="$host_cpu"
elif test x"$enable_md5_asm" = x"yes"; then
AC_MSG_RESULT(unavailable)
AC_MSG_ERROR(The ASM optimizations are currently x86_64|amd64 only.
Omit --enable-md5-asm to continue without it.)
fi
fi
if test x"$MD5_ASM" != x""; then
AC_MSG_RESULT([yes ($MD5_ASM)])
AC_DEFINE(USE_MD5_ASM, 1, [Define to 1 to enable MD5 ASM optimizations])
MD5_ASM='$(MD5_ASM_'"$MD5_ASM)"
else
AC_MSG_RESULT(no)
fi
AC_SUBST(MD5_ASM)
ROLL_ASM=
AC_MSG_CHECKING([whether to enable rolling-checksum ASM optimizations])
AC_ARG_ENABLE(roll-asm,
AS_HELP_STRING([--enable-roll-asm],[enable/disable to control rolling-checksum ASM optimizations (requires --enable-roll-simd)]))
if test x"$ROLL_SIMD" = x""; then
enable_roll_asm=no
fi
if test x"$enable_roll_asm" = x"yes"; then
ROLL_ASM="$host_cpu"
AC_MSG_RESULT([yes ($ROLL_ASM)])
AC_DEFINE(USE_ROLL_ASM, 1, [Define to 1 to enable rolling-checksum ASM optimizations (requires --enable-roll-simd)])
ROLL_ASM='$(ROLL_ASM_'"$ROLL_ASM)"
else
AC_MSG_RESULT(no)
fi
AC_SUBST(ROLL_ASM)
AC_MSG_CHECKING([whether to enable xxhash checksum support])
AC_ARG_ENABLE([xxhash],
AS_HELP_STRING([--disable-xxhash],[disable to omit xxhash checksums]))
AH_TEMPLATE([SUPPORT_XXHASH],
[Undefine if you do not want xxhash checksums. By default this is defined.])
if test x"$enable_xxhash" != x"no"; then
if test x"$ac_cv_header_xxhash_h" = x"yes"; then
AC_MSG_RESULT(yes)
AC_SEARCH_LIBS(XXH64_createState, xxhash,
[AC_DEFINE(SUPPORT_XXHASH)],
[err_msg="$err_msg$nl- Failed to find XXH64_createState function in xxhash lib.";
no_lib="$no_lib xxhash"])
else
AC_MSG_RESULT(no)
err_msg="$err_msg$nl- Failed to find xxhash.h for xxhash checksum support.";
no_lib="$no_lib xxhash"
fi
else
AC_MSG_RESULT(no)
fi
AC_MSG_CHECKING([whether to enable zstd compression])
AC_ARG_ENABLE([zstd],
AS_HELP_STRING([--disable-zstd], [disable to omit zstd compression]))
AH_TEMPLATE([SUPPORT_ZSTD],
[Undefine if you do not want zstd compression. By default this is defined.])
if test x"$enable_zstd" != x"no"; then
if test x"$ac_cv_header_zstd_h" = x"yes"; then
AC_MSG_RESULT(yes)
AC_SEARCH_LIBS(ZSTD_minCLevel, zstd,
[AC_DEFINE(SUPPORT_ZSTD)],
[err_msg="$err_msg$nl- Failed to find ZSTD_minCLevel function in zstd lib.";
no_lib="$no_lib zstd"])
else
AC_MSG_RESULT(no)
err_msg="$err_msg$nl- Failed to find zstd.h for zstd compression support.";
no_lib="$no_lib zstd"
fi
else
AC_MSG_RESULT(no)
fi
AC_MSG_CHECKING([whether to enable LZ4 compression])
AC_ARG_ENABLE([lz4],
AS_HELP_STRING([--disable-lz4], [disable to omit LZ4 compression]))
AH_TEMPLATE([SUPPORT_LZ4],
[Undefine if you do not want LZ4 compression. By default this is defined.])
if test x"$enable_lz4" != x"no"; then
if test x"$ac_cv_header_lz4_h" = x"yes"; then
AC_MSG_RESULT(yes)
AC_SEARCH_LIBS(LZ4_compress_default, lz4,
[AC_DEFINE(SUPPORT_LZ4)],
[err_msg="$err_msg$nl- Failed to find LZ4_compress_default function in lz4 lib.";
no_lib="$no_lib lz4"])
else
AC_MSG_RESULT(no)
err_msg="$err_msg$nl- Failed to find lz4.h for lz4 compression support."
no_lib="$no_lib lz4"
fi
else
AC_MSG_RESULT(no)
fi
if test x"$no_lib" != x; then
echo ""
echo "Configure found the following issues:"
echo "$err_msg"
echo ""
echo "See the INSTALL file for hints on how to install the missing libraries and/or"
echo "how to generate (or fetch) manpages:"
echo " https://github.com/RsyncProject/rsync/blob/master/INSTALL.md"
echo ""
echo "To disable one or more features, the relevant configure options are:"
for lib in $no_lib; do
echo " --disable-$lib"
done
echo ""
AC_MSG_ERROR(Aborting configure run)
fi
AC_CACHE_CHECK([if makedev takes 3 args],rsync_cv_MAKEDEV_TAKES_3_ARGS,[
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef MAJOR_IN_MKDEV
#include <sys/mkdev.h>
# if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__)
# define makedev mkdev
# endif
#elif defined MAJOR_IN_SYSMACROS
#include <sys/sysmacros.h>
#endif
int main(void)
{
dev_t dev = makedev(0, 5, 7);
if (major(dev) != 5 || minor(dev) != 7)
return 1;
return 0;
}
]])],[rsync_cv_MAKEDEV_TAKES_3_ARGS=yes],[rsync_cv_MAKEDEV_TAKES_3_ARGS=no],[rsync_cv_MAKEDEV_TAKES_3_ARGS=no])])
if test x"$rsync_cv_MAKEDEV_TAKES_3_ARGS" = x"yes"; then
AC_DEFINE(MAKEDEV_TAKES_3_ARGS, 1, [Define to 1 if makedev() takes 3 args])
fi
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(long long)
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int16_t)
AC_CHECK_SIZEOF(uint16_t)
AC_CHECK_SIZEOF(int32_t)
AC_CHECK_SIZEOF(uint32_t)
AC_CHECK_SIZEOF(int64_t)
AC_CHECK_SIZEOF(off_t)
AC_CHECK_SIZEOF(off64_t)
AC_CHECK_SIZEOF(time_t)
AC_CHECK_SIZEOF(char*)
AC_C_INLINE
AC_TYPE_LONG_DOUBLE_WIDER
ac_cv_c_long_double=$ac_cv_type_long_double_wider
if test $ac_cv_c_long_double = yes; then
AC_DEFINE([HAVE_LONG_DOUBLE],[1],[Define to 1 if the type `long double' works and has more range or precision than `double'.])
fi
AC_TYPE_UID_T
AC_CHECK_TYPES([mode_t,off_t,size_t,pid_t,id_t])
if test "$cross_compiling" = no; then
AC_TYPE_GETGROUPS
else
AC_DEFINE([GETGROUPS_T],[gid_t],[Define to the type of elements in the array set by `getgroups'. Usually this is either `int' or `gid_t'.])
fi
AC_CHECK_MEMBERS([struct stat.st_rdev,
struct stat.st_mtimensec,
struct stat.st_mtimespec.tv_nsec,
struct stat.st_mtim.tv_nsec],,,[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif])
TYPE_SOCKLEN_T
AC_CACHE_CHECK([for errno in errno.h],rsync_cv_errno, [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <errno.h>]], [[int i = errno]])],[rsync_cv_errno=yes],[rsync_cv_have_errno_decl=no])])
if test x"$rsync_cv_errno" = x"yes"; then
AC_DEFINE(HAVE_ERRNO_DECL, 1, [Define to 1 if errno is declared in errno.h])
fi
# The following test taken from the cvs sources
# If we can't find connect, try looking in -lsocket, -lnsl, and -linet.
# These need checks to be before checks for any other functions that
# might be in the same libraries.
# The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has
# libsocket.so which has a bad implementation of gethostbyname (it
# only looks in /etc/hosts), so we only look for -lsocket if we need
# it.
AC_CHECK_FUNCS(connect)
if test x"$ac_cv_func_connect" = x"no"; then
case "$LIBS" in
*-lnsl*) ;;
*) AC_CHECK_LIB(nsl_s, printf) ;;
esac
case "$LIBS" in
*-lnsl*) ;;
*) AC_CHECK_LIB(nsl, printf) ;;
esac
case "$LIBS" in
*-lsocket*) ;;
*) AC_CHECK_LIB(socket, connect) ;;
esac
case "$LIBS" in
*-linet*) ;;
*) AC_CHECK_LIB(inet, connect) ;;
esac
dnl We can't just call AC_CHECK_FUNCS(connect) here, because the value
dnl has been cached.
if test x"$ac_cv_lib_socket_connect" = x"yes" ||
test x"$ac_cv_lib_inet_connect" = x"yes"; then
# ac_cv_func_connect=yes
# don't! it would cause AC_CHECK_FUNC to succeed next time configure is run
AC_DEFINE(HAVE_CONNECT, 1, [Define to 1 if you have the "connect" function])
fi
fi
AC_SEARCH_LIBS(inet_ntop, resolv)
# For OS X, Solaris, HP-UX, etc.: figure out if -liconv is needed. We'll
# accept either iconv_open or libiconv_open, since some include files map
# the former to the latter.
AC_SEARCH_LIBS(iconv_open, iconv)
AC_SEARCH_LIBS(libiconv_open, iconv)
AC_MSG_CHECKING([for iconv declaration])
AC_CACHE_VAL(am_cv_proto_iconv, [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#if HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include <iconv.h>
extern
#ifdef __cplusplus
"C"
#endif
#if defined(__STDC__) || defined(__cplusplus)
size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
#else
size_t iconv();
#endif
]], [[]])],[am_cv_proto_iconv_arg1=""],[am_cv_proto_iconv_arg1="const"])
am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed 's/( /(/'`
AC_MSG_RESULT([$]{ac_t:-
}[$]am_cv_proto_iconv)
AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
[Define as const if the declaration of iconv() needs const.])
dnl AC_MSG_NOTICE([Looking in libraries: $LIBS])
AC_REPLACE_FUNCS([inet_ntop inet_pton])
AC_HAVE_TYPE([struct addrinfo], [#include <netdb.h>])
AC_HAVE_TYPE([struct sockaddr_storage], [
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif])
# Irix 6.5 has getaddrinfo but not the corresponding defines, so use
# builtin getaddrinfo if one of the defines don't exist
AC_CACHE_CHECK([whether defines needed by getaddrinfo exist],
rsync_cv_HAVE_GETADDR_DEFINES,[
AC_EGREP_CPP(yes, [
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#ifdef AI_PASSIVE
yes
#endif],
rsync_cv_HAVE_GETADDR_DEFINES=yes,
rsync_cv_HAVE_GETADDR_DEFINES=no)])
AS_IF([test x"$rsync_cv_HAVE_GETADDR_DEFINES" = x"yes" && test x"$ac_cv_type_struct_addrinfo" = x"yes"],[
# Tru64 UNIX has getaddrinfo() but has it renamed in libc as
# something else so we must include <netdb.h> to get the
# redefinition.
AC_CHECK_FUNCS(getaddrinfo, ,
[AC_MSG_CHECKING([for getaddrinfo by including <netdb.h>])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#include <netdb.h>]], [[getaddrinfo(NULL, NULL, NULL, NULL);]])],[AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_GETADDRINFO, 1,
[Define to 1 if you have the "getaddrinfo" function and required types.])],[AC_MSG_RESULT([no])
AC_LIBOBJ([getaddrinfo])])])
],[AC_LIBOBJ([getaddrinfo])])
AC_CHECK_MEMBER([struct sockaddr.sa_len],
[ AC_DEFINE(HAVE_SOCKADDR_LEN, 1, [Do we have sockaddr.sa_len?]) ],
[],
[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
])
AC_CHECK_MEMBER([struct sockaddr_in.sin_len],
[ AC_DEFINE(HAVE_SOCKADDR_IN_LEN, 1, [Do we have sockaddr_in.sin_len?]) ],
[],
[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#include <netinet/in.h>
])
AC_CHECK_MEMBER([struct sockaddr_un.sun_len],
[ AC_DEFINE(HAVE_SOCKADDR_UN_LEN, 1, [Do we have sockaddr_un.sun_len?]) ],
[],
[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#include <netinet/in.h>
])
AC_CHECK_MEMBER([struct sockaddr_in6.sin6_scope_id],
[ AC_DEFINE(HAVE_SOCKADDR_IN6_SCOPE_ID, 1, [Do we have sockaddr_in6.sin6_scope_id?]) ],
[],
[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#include <netinet/in.h>
])
AC_HAVE_TYPE([struct stat64], [#include <stdio.h>
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#if STDC_HEADERS
# include <stdlib.h>
# include <stddef.h>
#else
# if HAVE_STDLIB_H
# include <stdlib.h>
# endif
#endif
])
# if we can't find strcasecmp, look in -lresolv (for Unixware at least)
#
AC_CHECK_FUNCS(strcasecmp)
if test x"$ac_cv_func_strcasecmp" = x"no"; then
AC_CHECK_LIB(resolv, strcasecmp)
fi
AC_CHECK_FUNCS(aclsort)
if test x"$ac_cv_func_aclsort" = x"no"; then
AC_CHECK_LIB(sec, aclsort)
fi
dnl At the moment we don't test for a broken memcmp(), because all we
dnl need to do is test for equality, not comparison, and it seems that
dnl every platform has a memcmp that can do at least that.
dnl AC_FUNC_MEMCMP
AC_FUNC_UTIME_NULL
AC_FUNC_ALLOCA
AC_CHECK_FUNCS(waitpid wait4 getcwd chown chmod lchmod mknod mkfifo \
fchmod fstat ftruncate strchr readlink link utime utimes lutimes strftime \
chflags getattrlist mktime innetgr linkat \
memmove lchown vsnprintf snprintf vasprintf asprintf setsid strpbrk \
strlcat strlcpy stpcpy strtol mallinfo mallinfo2 getgroups setgroups geteuid getegid \
setlocale setmode open64 lseek64 mkstemp64 mtrace va_copy __va_copy \
seteuid strerror putenv iconv_open locale_charset nl_langinfo getxattr \
extattr_get_link sigaction sigprocmask setattrlist getgrouplist \
initgroups utimensat posix_fallocate attropen setvbuf nanosleep usleep \
setenv unsetenv)
dnl cygwin iconv.h defines iconv_open as libiconv_open
if test x"$ac_cv_func_iconv_open" != x"yes"; then
AC_CHECK_FUNC(libiconv_open, [ac_cv_func_iconv_open=yes; AC_DEFINE(HAVE_ICONV_OPEN, 1)])
fi
dnl Preallocation stuff (also fallocate, posix_fallocate function tests above):
AC_CACHE_CHECK([for useable fallocate],rsync_cv_have_fallocate,[
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <fcntl.h>
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif]], [[fallocate(0, 0, 0, 0);]])],[rsync_cv_have_fallocate=yes],[rsync_cv_have_fallocate=no])])
if test x"$rsync_cv_have_fallocate" = x"yes"; then
AC_DEFINE(HAVE_FALLOCATE, 1, [Define to 1 if you have the fallocate function and it compiles and links without error])
fi
AC_MSG_CHECKING([for FALLOC_FL_PUNCH_HOLE])
AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
#define _GNU_SOURCE 1
#include <linux/falloc.h>
#ifndef FALLOC_FL_PUNCH_HOLE
#error FALLOC_FL_PUNCH_HOLE is missing
#endif
]])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_FALLOC_FL_PUNCH_HOLE], [1], [Define if FALLOC_FL_PUNCH_HOLE is available.])
], [
AC_MSG_RESULT([no])
]
)
AC_MSG_CHECKING([for FALLOC_FL_ZERO_RANGE])
AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
#define _GNU_SOURCE 1
#include <linux/falloc.h>
#ifndef FALLOC_FL_ZERO_RANGE
#error FALLOC_FL_ZERO_RANGE is missing
#endif
]])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_FALLOC_FL_ZERO_RANGE], [1], [Define if FALLOC_FL_ZERO_RANGE is available.])
], [
AC_MSG_RESULT([no])
]
)
AC_CACHE_CHECK([for SYS_fallocate],rsync_cv_have_sys_fallocate,[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/syscall.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif]], [[syscall(SYS_fallocate, 0, 0, (loff_t)0, (loff_t)0);]])],[rsync_cv_have_sys_fallocate=yes],[rsync_cv_have_sys_fallocate=no])])
if test x"$rsync_cv_have_sys_fallocate" = x"yes"; then
AC_DEFINE(HAVE_SYS_FALLOCATE, 1, [Define to 1 if you have the SYS_fallocate syscall number])
fi
if test x"$ac_cv_func_posix_fallocate" = x"yes"; then
AC_MSG_CHECKING([whether posix_fallocate is efficient])
case $host_os in
*cygwin*)
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_EFFICIENT_POSIX_FALLOCATE, 1,
[Define if posix_fallocate is efficient (Cygwin)])
;;
*)
AC_MSG_RESULT(no)
;;
esac
fi
dnl End of preallocation stuff
AC_CHECK_FUNCS(getpgrp tcgetpgrp)
if test $ac_cv_func_getpgrp = yes; then
AC_FUNC_GETPGRP
fi
AC_ARG_ENABLE(iconv-open,
AS_HELP_STRING([--disable-iconv-open],[disable to avoid all use of iconv_open()]),
[], [enable_iconv_open=$ac_cv_func_iconv_open])
if test x"$enable_iconv_open" != x"no"; then
AC_DEFINE(USE_ICONV_OPEN, 1, [Define to 1 if you want rsync to make use of iconv_open()])
fi
AC_ARG_ENABLE(iconv,
AS_HELP_STRING([--disable-iconv],[disable to omit the --iconv option]),
[], [enable_iconv=$enable_iconv_open])
AH_TEMPLATE([ICONV_OPTION],
[Define if you want the --iconv option. Specifying a value will set the
default iconv setting (a NULL means no --iconv processing by default).])
if test x"$enable_iconv" != x"no"; then
if test x"$enable_iconv" = x"yes"; then
AC_DEFINE(ICONV_OPTION, NULL)
else
AC_DEFINE_UNQUOTED(ICONV_OPTION, "$enable_iconv")
fi
AC_DEFINE(UTF8_CHARSET, "UTF-8", [String to pass to iconv() for the UTF-8 charset.])
fi