dnl Process this file with autoconf to produce a configure script.
-AC_INIT([rsync],[3.1.4dev],[http://rsync.samba.org/bugzilla.html])
+AC_INIT([rsync],[3.2.2dev],[https://rsync.samba.org/bugtracking.html])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_SRCDIR([byteorder.h])
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_PROG_CC_STDC
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])
CFLAGS="$CFLAGS -pg"
fi
+AC_MSG_CHECKING([if md2man can create man pages])
+if test x"$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 md2man for man page 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"$md2man_works" = x"no"; then
+ AC_MSG_ERROR(You need python3 and the cmarkgfm OR commonmark python3 lib in order to build man pages.
+You can specify --disable-md2man if you want to skip building them.)
+ fi
+ fi
+ MAKE_MAN=man
+else
+ AC_MSG_RESULT(no)
+ MAKE_MAN=''
+fi
# Specifically, this turns on panic_action handling.
AC_ARG_ENABLE(maintainer-mode,
CFLAGS="$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="$CFLAGS -DHAVE_CONFIG_H"
fi
AC_DEFINE_UNQUOTED(RSYNC_RSH, "$RSYNC_RSH", [default -e command])
-AC_CHECK_PROG(HAVE_YODL2MAN, yodl2man, 1, 0)
-if test x$HAVE_YODL2MAN = x1; then
- MAKE_MAN=man
-else
- MAKE_MAN=man-copy
-fi
-
# Some programs on solaris are only found in /usr/xpg4/bin (or work better than others versions).
AC_PATH_PROG(SHELL_PATH, sh, /bin/sh, [/usr/xpg4/bin$PATH_SEPARATOR$PATH])
AC_PATH_PROG(FAKEROOT_PATH, fakeroot, /usr/bin/fakeroot, [/usr/xpg4/bin$PATH_SEPARATOR$PATH])
AC_DEFINE_UNQUOTED(NOBODY_USER, "nobody", [unprivileged user--e.g. nobody])
AC_DEFINE_UNQUOTED(NOBODY_GROUP, "$NOBODY_GROUP", [unprivileged group for unprivileged user])
+# SIMD optimizations
+SIMD=
+
+AC_MSG_CHECKING([whether to enable SIMD optimizations])
+AC_ARG_ENABLE(simd,
+ AS_HELP_STRING([--disable-simd],[disable SIMD optimizations (requires c++)]))
+
+# Clag is crashing with -g -O2, so we'll get rid of -g for now.
+CXXFLAGS=`echo "$CXXFLAGS" | sed 's/-g //'`
+
+if test x"$enable_simd" != x"no"; then
+ # For x86-64 SIMD, g++ >=5 or clang++ >=7 is required
+ if test x"$build_cpu" = x"x86_64"; then
+ AC_LANG(C++)
+ AC_RUN_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>
+#include <immintrin.h>
+__attribute__ ((target("default"))) int test_ssse3(int x) { return x; }
+__attribute__ ((target("default"))) int test_sse2(int x) { return x; }
+__attribute__ ((target("default"))) int test_avx2(int x) { return x; }
+__attribute__ ((target("ssse3"))) int test_ssse3(int x) { return x; }
+__attribute__ ((target("sse2"))) int test_sse2(int x) { return x; }
+__attribute__ ((target("avx2"))) int test_avx2(int x) { return x; }
+typedef long long __m128i_u __attribute__((__vector_size__(16), __may_alias__, __aligned__(1)));
+typedef long long __m256i_u __attribute__((__vector_size__(32), __may_alias__, __aligned__(1)));
+__attribute__ ((target("default"))) void more_testing(char* buf, int len) { }
+__attribute__ ((target("ssse3"))) void more_testing(char* buf, int len)
+{
+ int i;
+ for (i = 0; i < (len-32); i+=32) {
+ __m128i in8_1, in8_2;
+ in8_1 = _mm_lddqu_si128((__m128i_u*)&buf[i]);
+ in8_2 = _mm_lddqu_si128((__m128i_u*)&buf[i + 16]);
+ }
+}
+]], [[if (test_ssse3(42) != 42 || test_sse2(42) != 42 || test_avx2(42) != 42) exit(1);]])],[CXX_OK=yes],[CXX_OK=no])
+ AC_LANG(C)
+ if test x"$CXX_OK" = x"yes"; then
+ # AC_MSG_RESULT() is called below.
+ SIMD="x86_64"
+ elif test x"$enable_simd" = x"yes"; then
+ AC_MSG_RESULT(error)
+ AC_MSG_ERROR(The SIMD compilation test failed.
+Omit --enable-simd to continue without it.)
+ fi
+ elif test x"$enable_simd" = x"yes"; then
+ AC_MSG_RESULT(unavailable)
+ AC_MSG_ERROR(The SIMD optimizations are currently x86_64 only.
+Omit --enable-simd to continue without it.)
+ fi
+fi
+
+if test x"$SIMD" != x""; then
+ AC_MSG_RESULT([yes ($SIMD)])
+ AC_DEFINE(HAVE_SIMD, 1, [Define to 1 to enable SIMD optimizations])
+ SIMD='$(SIMD_'"$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(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="$OLD_CFLAGS"
+AC_SUBST(NOEXECSTACK)
+
+ASM=
+
+AC_MSG_CHECKING([whether to enable ASM optimizations])
+AC_ARG_ENABLE(asm,
+ AS_HELP_STRING([--disable-asm],[disable ASM optimizations]))
+
+if test x"$enable_asm" != x"no"; then
+ if test x"$build_cpu" = x"x86_64"; then
+ ASM="$build_cpu"
+ elif test x"$enable_asm" = x"yes"; then
+ AC_MSG_RESULT(unavailable)
+ AC_MSG_ERROR(The ASM optimizations are currently x86_64 only.
+Omit --enable-asm to continue without it.)
+ fi
+fi
+
+if test x"$ASM" != x""; then
+ AC_MSG_RESULT([yes ($ASM)])
+ AC_DEFINE(HAVE_ASM, 1, [Define to 1 to enable ASM optimizations])
+ ASM='$(ASM_'"$ASM)"
+else
+ AC_MSG_RESULT(no)
+fi
+
+AC_SUBST(ASM)
+
# arrgh. libc in some old debian version screwed up the largefile
# stuff, getting byte range locking wrong
AC_CACHE_CHECK([for broken largefile support],rsync_cv_HAVE_BROKEN_LARGEFILE,[
#include <fcntl.h>
#include <sys/types.h>
#include <sys/wait.h>
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
int main(void)
{
}
wait(&status);
unlink(tpl);
- exit(WEXITSTATUS(status));
+ return WEXITSTATUS(status);
}
]])],[rsync_cv_HAVE_BROKEN_LARGEFILE=yes],[rsync_cv_HAVE_BROKEN_LARGEFILE=no],[rsync_cv_HAVE_BROKEN_LARGEFILE=cross])])
if test x"$rsync_cv_HAVE_BROKEN_LARGEFILE" != x"yes"; then
ipv6trylibc=yes
AC_ARG_ENABLE(ipv6,
- AS_HELP_STRING([--disable-ipv6],[do not even try to use IPv6]))
+ AS_HELP_STRING([--disable-ipv6],[turn off IPv6 support]))
if test x"$enable_ipv6" != x"no"; then
AC_MSG_CHECKING([ipv6 stack type])
for i in inria kame linux-glibc linux-inet6 solaris toshiba v6d zeta cygwin; do
netdb.h malloc.h float.h limits.h iconv.h libcharset.h langinfo.h \
sys/acl.h acl/libacl.h attr/xattr.h sys/xattr.h sys/extattr.h \
popt.h popt/popt.h linux/falloc.h netinet/in_systm.h netinet/ip.h \
- zlib.h)
-AC_HEADER_MAJOR
+ zlib.h xxhash.h openssl/md4.h openssl/md5.h zstd.h lz4.h)
+AC_HEADER_MAJOR_FIXED
+
+AC_MSG_CHECKING([whether to enable use of openssl crypto library])
+AC_ARG_ENABLE([openssl],
+ AS_HELP_STRING([--disable-openssl],[disable openssl crypto library]))
+AH_TEMPLATE([USE_OPENSSL],
+[Undefine if you do not want to use openssl crypto library. By default this is defined.])
+if test x"$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(MD5_Init, crypto,
+ [AC_DEFINE(USE_OPENSSL)],
+ [AC_MSG_ERROR(Failed to find MD5_Init function in openssl crypto lib.
+Use --disable-openssl to continue without openssl crypto lib support.)])
+ else
+ AC_MSG_RESULT(no)
+ AC_MSG_ERROR(Failed to find openssl/md4.h and openssl/md5.h for openssl crypto lib support.
+Use --disable-openssl to continue without it.)
+ fi
+else
+ AC_MSG_RESULT(no)
+fi
+
+AC_MSG_CHECKING([whether to enable xxhash checksum support])
+AC_ARG_ENABLE([xxhash],
+ AS_HELP_STRING([--disable-xxhash],[disable 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)],
+ [AC_MSG_ERROR(Failed to find XXH64_createState function in xxhash lib.
+Use --disable-xxhash to continue without xxhash checksums.)])
+ else
+ AC_MSG_RESULT(no)
+ AC_MSG_ERROR(Failed to find xxhash.h for xxhash checksum support.
+Use --disable-xxhash to continue without it.)
+ fi
+else
+ AC_MSG_RESULT(no)
+fi
+
+AC_MSG_CHECKING([whether to enable zstd compression])
+AC_ARG_ENABLE([zstd],
+ AC_HELP_STRING([--disable-zstd], [disable 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)],
+ [AC_MSG_ERROR(Failed to find ZSTD_minCLevel function in zstd lib.
+Use --disable-zstd to continue without zstd compression.)])
+ else
+ AC_MSG_RESULT(no)
+ AC_MSG_ERROR(Failed to find zstd.h for zstd compression support.
+Use --disable-zstd to continue without it.)
+ fi
+else
+ AC_MSG_RESULT(no)
+fi
+
+AC_MSG_CHECKING([whether to enable LZ4 compression])
+AC_ARG_ENABLE([lz4],
+ AC_HELP_STRING([--disable-lz4], [disable 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)],
+ [AC_MSG_ERROR(Failed to find LZ4_compress_default function in lz4 lib.
+Use --disable-lz4 to continue without lz4 compression.)])
+ else
+ AC_MSG_RESULT(no)
+ AC_MSG_ERROR(Failed to find lz4.h for lz4 compression support.
+Use --disable-lz4 to continue without it.)
+ fi
+else
+ AC_MSG_RESULT(no)
+fi
AC_CACHE_CHECK([if makedev takes 3 args],rsync_cv_MAKEDEV_TAKES_3_ARGS,[
AC_RUN_IFELSE([AC_LANG_SOURCE([[
{
dev_t dev = makedev(0, 5, 7);
if (major(dev) != 5 || minor(dev) != 7)
- exit(1);
+ 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])])
AC_CHECK_SIZEOF(off_t)
AC_CHECK_SIZEOF(off64_t)
AC_CHECK_SIZEOF(time_t)
+AC_CHECK_SIZEOF(char*)
AC_C_INLINE
#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 -e 's/( /(/'`
+ 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, $am_cv_proto_iconv_arg1,
AC_FUNC_ALLOCA
AC_CHECK_FUNCS(waitpid wait4 getcwd strdup chown chmod lchmod mknod mkfifo \
fchmod fstat ftruncate strchr readlink link utime utimes lutimes strftime \
+ chflags getattrlist \
memmove lchown vsnprintf snprintf vasprintf asprintf setsid strpbrk \
strlcat strlcpy strtol mallinfo getgroups setgroups geteuid getegid \
setlocale setmode open64 lseek64 mkstemp64 mtrace va_copy __va_copy \
AC_CACHE_CHECK([for SYS_fallocate],rsync_cv_have_sys_fallocate,[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/syscall.h>
+#include <unistd.h>
#include <sys/types.h>]], [[syscall(SYS_fallocate, 0, 0, (loff_t)0, (loff_t)0);]])],[rsync_cv_have_sys_fallocate=yes],[rsync_cv_have_sys_fallocate=no])])
if test x"$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])
AS_HELP_STRING([--disable-iconv],[disable rsync's --iconv option]),
[], [enable_iconv=$enable_iconv_open])
AH_TEMPLATE([ICONV_OPTION],
-[Define if you want the --iconv option. Specifing a value will set the
+[Define if you want the --iconv option. Specifying a value will set the
default iconv setting (a NULL means no --iconv processing by default).])
if test x"$enable_iconv" != x"no"; then
if test x"$enable_iconv" = x"yes"; then
#endif
#include <stdlib.h>
#include <errno.h>
- main() {
+int main(void) {
char const *dangling_symlink = "conftest.dangle";
unlink(dangling_symlink);
if (symlink("conftest.no-such", dangling_symlink) < 0) abort();
- if (chown(dangling_symlink, getuid(), getgid()) < 0 && errno == ENOENT) exit(1);
- exit(0);
+ if (chown(dangling_symlink, getuid(), getgid()) < 0 && errno == ENOENT) return 1;
+ return 0;
}]])],[rsync_cv_chown_modifies_symlink=yes],[rsync_cv_chown_modifies_symlink=no],[rsync_cv_chown_modifies_symlink=no])])
if test $rsync_cv_chown_modifies_symlink = yes; then
AC_DEFINE(CHOWN_MODIFIES_SYMLINK, 1, [Define to 1 if chown modifies symlinks.])
#include <stdlib.h>
#include <errno.h>
#define FILENAME "conftest.dangle"
- main() {
+int main(void) {
unlink(FILENAME);
if (symlink("conftest.no-such", FILENAME) < 0) abort();
unlink(FILENAME "2");
- if (link(FILENAME, FILENAME "2") < 0) exit(1);
- exit(0);
+ if (link(FILENAME, FILENAME "2") < 0) return 1;
+ return 0;
}]])],[rsync_cv_can_hardlink_symlink=yes],[rsync_cv_can_hardlink_symlink=no],[rsync_cv_can_hardlink_symlink=no])])
if test $rsync_cv_can_hardlink_symlink = yes; then
AC_DEFINE(CAN_HARDLINK_SYMLINK, 1, [Define to 1 if link() can hard-link symlinks.])
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
+#ifdef HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
#include <stdlib.h>
#include <errno.h>
#define FILENAME "conftest.fifi"
- main() {
+int main(void) {
unlink(FILENAME);
if (mkfifo(FILENAME, 0777) < 0) abort();
unlink(FILENAME "2");
- if (link(FILENAME, FILENAME "2") < 0) exit(1);
- exit(0);
+ if (link(FILENAME, FILENAME "2") < 0) return 1;
+ return 0;
}]])],[rsync_cv_can_hardlink_special=yes],[rsync_cv_can_hardlink_special=no],[rsync_cv_can_hardlink_special=no])])
if test $rsync_cv_can_hardlink_special = yes; then
AC_DEFINE(CAN_HARDLINK_SPECIAL, 1, [Define to 1 if link() can hard-link special files.])
#include <sys/types.h>
#include <sys/socket.h>
-main() {
+int main(void) {
int fd[2];
- exit((socketpair(AF_UNIX, SOCK_STREAM, 0, fd) != -1) ? 0 : 1);
+ return (socketpair(AF_UNIX, SOCK_STREAM, 0, fd) != -1) ? 0 : 1;
}]])],[rsync_cv_HAVE_SOCKETPAIR=yes],[rsync_cv_HAVE_SOCKETPAIR=no],[rsync_cv_HAVE_SOCKETPAIR=cross])])
if test x"$rsync_cv_HAVE_SOCKETPAIR" = x"yes"; then
AC_DEFINE(HAVE_SOCKETPAIR, 1, [Define to 1 if you have the "socketpair" function])
AC_CACHE_CHECK([for broken readdir],rsync_cv_HAVE_BROKEN_READDIR,[
AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <sys/types.h>
#include <dirent.h>
-main() { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
+int main(void) { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
-di->d_name[0] == 0) exit(0); exit(1);} ]])],[rsync_cv_HAVE_BROKEN_READDIR=yes],[rsync_cv_HAVE_BROKEN_READDIR=no],[rsync_cv_HAVE_BROKEN_READDIR=cross])])
+di->d_name[0] == 0) return 0; return 1;} ]])],[rsync_cv_HAVE_BROKEN_READDIR=yes],[rsync_cv_HAVE_BROKEN_READDIR=no],[rsync_cv_HAVE_BROKEN_READDIR=cross])])
if test x"$rsync_cv_HAVE_BROKEN_READDIR" = x"yes"; then
AC_DEFINE(HAVE_BROKEN_READDIR, 1, [Define to 1 if readdir() is broken])
fi
AC_CACHE_CHECK([for utimbuf],rsync_cv_HAVE_STRUCT_UTIMBUF,[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
-#include <utime.h>]], [[struct utimbuf tbuf; tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));]])],[rsync_cv_HAVE_STRUCT_UTIMBUF=yes],[rsync_cv_HAVE_STRUCT_UTIMBUF=no])])
+#include <utime.h>]], [[struct utimbuf tbuf; tbuf.actime = 0; tbuf.modtime = 1; return utime("foo.c",&tbuf);]])],[rsync_cv_HAVE_STRUCT_UTIMBUF=yes],[rsync_cv_HAVE_STRUCT_UTIMBUF=no])])
if test x"$rsync_cv_HAVE_STRUCT_UTIMBUF" = x"yes"; then
AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if you have the "struct utimbuf" type])
fi
AC_CACHE_CHECK([if gettimeofday takes tz argument],rsync_cv_HAVE_GETTIMEOFDAY_TZ,[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/time.h>
-#include <unistd.h>]], [[struct timeval tv; exit(gettimeofday(&tv, NULL));]])],[rsync_cv_HAVE_GETTIMEOFDAY_TZ=yes],[rsync_cv_HAVE_GETTIMEOFDAY_TZ=no])])
+#include <unistd.h>]], [[struct timeval tv; return gettimeofday(&tv, NULL);]])],[rsync_cv_HAVE_GETTIMEOFDAY_TZ=yes],[rsync_cv_HAVE_GETTIMEOFDAY_TZ=no])])
if test x"$rsync_cv_HAVE_GETTIMEOFDAY_TZ" != x"no"; then
AC_DEFINE(HAVE_GETTIMEOFDAY_TZ, 1, [Define to 1 if gettimeofday() takes a time-zone arg])
fi
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <sys/types.h>
#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
void foo(const char *format, ...) {
va_list ap;
int len;
- char buf[5];
+ static char buf[] = "12345678901234567890";
va_start(ap, format);
len = vsnprintf(0, 0, format, ap);
if (len != 5) exit(1);
if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(1);
-
- exit(0);
}
-main() { foo("hello"); }
+int main(void) { foo("hello"); return 0; }
]])],[rsync_cv_HAVE_C99_VSNPRINTF=yes],[rsync_cv_HAVE_C99_VSNPRINTF=no],[rsync_cv_HAVE_C99_VSNPRINTF=cross])])
if test x"$rsync_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
AC_DEFINE(HAVE_C99_VSNPRINTF, 1, [Define to 1 if vsprintf has a C99-compatible return value])
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
-main() {
+int main(void) {
struct stat st;
char tpl[20]="/tmp/test.XXXXXX";
int fd = mkstemp(tpl);
- if (fd == -1) exit(1);
+ if (fd == -1) return 1;
unlink(tpl);
- if (fstat(fd, &st) != 0) exit(1);
- if ((st.st_mode & 0777) != 0600) exit(1);
- exit(0);
+ if (fstat(fd, &st) != 0) return 1;
+ if ((st.st_mode & 0777) != 0600) return 1;
+ return 0;
}]])],[rsync_cv_HAVE_SECURE_MKSTEMP=yes],[rsync_cv_HAVE_SECURE_MKSTEMP=no],[rsync_cv_HAVE_SECURE_MKSTEMP=cross])])
if test x"$rsync_cv_HAVE_SECURE_MKSTEMP" = x"yes"; then
case $host_os in
#include <stdio.h>
#include <sys/stat.h>
#include <errno.h>
-main() { int rc, ec; char *fn = "fifo-test";
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+int main(void) { int rc, ec; char *fn = "fifo-test";
unlink(fn); rc = mknod(fn,S_IFIFO,0600); ec = errno; unlink(fn);
if (rc) {printf("(%d %d) ",rc,ec); return ec;}
return 0;}]])],[rsync_cv_MKNOD_CREATES_FIFOS=yes],[rsync_cv_MKNOD_CREATES_FIFOS=no],[rsync_cv_MKNOD_CREATES_FIFOS=cross])])
#include <stdio.h>
#include <sys/stat.h>
#include <errno.h>
-main() { int rc, ec; char *fn = "sock-test";
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+int main(void) { int rc, ec; char *fn = "sock-test";
unlink(fn); rc = mknod(fn,S_IFSOCK,0600); ec = errno; unlink(fn);
if (rc) {printf("(%d %d) ",rc,ec); return ec;}
return 0;}]])],[rsync_cv_MKNOD_CREATES_SOCKETS=yes],[rsync_cv_MKNOD_CREATES_SOCKETS=no],[rsync_cv_MKNOD_CREATES_SOCKETS=cross])])
AC_CACHE_CHECK([whether -c -o works],rsync_cv_DASHC_WORKS_WITH_DASHO,[
rm -rf conftest*
cat > conftest.$ac_ext <<EOF
-int main() { return 0; }
+int main(void) { return 0; }
EOF
${CC-cc} -c -o conftest..o conftest.$ac_ext
if test -f conftest..o; then
AC_SUBST(BUILD_ZLIB)
AC_SUBST(MAKE_MAN)
-AC_PATH_PROG([STUNNEL], [stunnel], [stunnel], [$PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin])
-AC_PATH_PROG([STUNNEL4], [stunnel4], [$STUNNEL], [$PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin])
-
AC_CHECK_FUNCS(_acl __acl _facl __facl)
#################################################
# check for ACL support
AC_MSG_RESULT()
AC_MSG_RESULT([ rsync ${RSYNC_VERSION} configuration successful])
AC_MSG_RESULT()
-if test x$HAVE_YODL2MAN != x1; then
- AC_MSG_RESULT([ Note that yodl2man was not found, so pre-existing manpage files will be])
- AC_MSG_RESULT([ used w/o change (if available) -- no .yo file changes will be used.])
- AC_MSG_RESULT()
-fi