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Use __uint32_t to avoid the use of GCC-specific _ST_INT32.
Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
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Introduce internal type __ino_t.
Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
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Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
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Newlib defines defaults for internal types via <sys/_types.h> and uses
<machine/_types.h> to let targets define their own type if necessary.
Previously for example
#ifndef __dev_t_defined
typedef short __dev_t;
#endif
However, the __*_t_defined pattern conflicts with the glibc type guard
pattern for user types, e.g. dev_t in this example. Introduce a
__machine_*_t_defined pattern for internal types (defined by
<machine/_types.h>, used by <sys/_types.h>). For example
#ifndef __machine_dev_t_defined
typedef short __dev_t;
#endif
Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
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Remove off_t typedef from cygwin/types.h thus relying on sys/types.h.
Introduce winsup/cygwin/machine/_types.h and move some types shared
with newlib into it. Get rid of their definition in cygwin/types.h.
Add same handling for __key_t/key_t as for the other types.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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This change solves a glibc/BSD compatibility problem.
glibc and BSD use double underscore types for internal types. The Linux
port of Newlib uses some glibc provided internal type definitions which
are not protected by guard defines, e.g. __off_t. To avoid a conflict
Newlib uses single underscore types for some internal types, e.g.
_off_t. However, for BSD compatibility we have to define the internal
types with double underscore names in <sys/_types.h>.
The header file <machine/types.h> is Newlib-specific. It was used
instead of <sys/_types.h> to provide the internal type definitions
_CLOCK_T, _TIME_T_, _CLOCKID_T_, _TIMER_T_, and __suseconds_t. Move
these definitions to <sys/_types.h> (there exist two instances of this
file, one for Linux and one for all other targets). This makes the
_HAVE_SYSTYPES configuration define obsolete (could possibly break the
__RDOS__ target). Use the standard <sys/_types.h> include throughout.
Move __loff_t defintion to default (non-Linux) <sys/_types.h>. Define
it via _off64_t to avoid a dependency on the compiler.
Provide the __off_t definition via default (non-Linux) <sys/_types.h>
based on _off_t for all systems except Cygwin. For Cygwin use _off64_t.
Define off_t via __off_t.
Provide the __pid_t definition via default (non-Linux) <sys/_types.h>.
This prevents a potential __pid_t and pid_t incompatibility. Add BSD
guard defines for pid_t.
Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
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Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Cygwin's strxfrm/wcsfrm treated a too short output buffer as an error
condition and always returned the size value provided as third parameter.
This is not as it's documented in POSIX.1-2008. Rather, the only error
condition is an invalid input string(*).
Other than that, the functions are supposed to return the length of the
resulting sort key, even if the output buffer is too small. In the latter
case the content of the output array is unspecified, but it's the job
of the application to check that the return value is greater or equal to
the provided buffer size.
(*) We have to make an exception in Cygwin: strxfrm has to call the
UNICODE function LCMapStringW for reasons outlined in a source comment.
If the incoming multibyte string is so large that we fail to malloc
the space required to convert it to a wchar_t string, we have to
ser errno as well since we have nothing to call LCMapStringW with.
* nlsfuncs.cc (wcsxfrm): Fix expression computing offset of
trailing wchar_t NUL. Compute correct return value even if
output buffer is too small.
(strxfrm): Handle failing malloc. Compute correct return value
even if output buffer is too small.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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In 7346568 (Make requested console reports work, 2016-03-16), code was
introduced to report the current cursor position. It works by using a
pointer that either points to the next byte in the readahead buffer, or
to a NUL byte if the buffer is depleted, or the pointer is NULL.
These conditions are heeded in the fhandler_console::read() method, but
the condition that the pointer can point at the end of the readahead
buffer was not handled properly in the get_cons_readahead_valid()
method.
This poses a problem e.g. in Git for Windows (which uses a slightly
modified MSYS2 runtime which is in turn a slightly modified Cygwin
runtime) when vim queries the cursor position and immediately goes on to
read console input, erroneously thinking that the readahead buffer is
valid when it is already depleted instead. This condition results in an
apparent freeze that can be helped only by pressing keys repeatedly.
The full Git for Windows bug report is here:
https://github.com/git-for-windows/git/issues/711
Let's just teach the get_cons_readahead_valid() method to handle a
depleted readahead buffer correctly.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
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Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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This reverts commit 0008bdea02b690ab19ffe997499cb9a96ee5a66d.
This patch introduced a regression. Calling FOO=$(...) in zsh hangs
indefinitely and has to be killed forcefully.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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POSIX spawn and thread barriers have since been added. Also fix a typo in
_POSIX2_C_DEV (result is the same).
Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
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glibc returns -1 for negative infinity:
http://man7.org/linux/man-pages/man3/isinfl.3.html
https://sourceware.org/bugzilla/show_bug.cgi?id=15367
Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
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As a Cygwin-specific header, there is no need to guard functions based on
capability macros. Instead, guard several blocks based on additions or
removals in later versions of POSIX.1, along with a few which are only
XSI or GNU extensions.
Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
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G++ 6.0 asserts that the "this" pointer is non-null for member
functions.
Refactor methods that check if "this" is non-null to resolve this.
winsup/cygwin/ChangeLog:
external.cc (cygwin_internal): Check for a null pinfo before calling
cmdline.
fhandler_dsp.cc (Audio::blockSize): Make static.
fhandler_dsp.cc (Audio_in): add default_buf_info.
fhandler_dsp.cc (Audio_out): Ditto.
fhandler_dsp.cc (Audio_out::buf_info): Refactor method to call
default_buf_info if dev_ is null.
fhandler_dsp.cc (Audio_in::buf_info): Ditto.
fhandler_dsp.cc (fhandler_dev_dsp::_ioctl): Call Audio_out::default_buf_info if audio_out_ is null.
fhandler_dsp.cc (fhandler_dev_dsp::_ioctl): Call Audio_in::default_buf_info if audio_in_ is null.
fhandler_process.cc (format_process_fd): Check if pinfo is null.
fhandler_process.cc (format_process_root): Ditto.
fhandler_process.cc (format_process_cwd): Ditto.
fhandler_process.cc (format_process_cmdline): Ditto.
signal.cc (tty_min::kill_pgrp): Ditto.
signal.cc (_pinfo::kill0): Ditto.
sigproc.cc (pid_exists): Ditto.
sigproc.cc (remove_proc): Ditto.
times.cc (clock_gettime): Ditto.
times.cc (clock_getcpuclockid): Ditto.
path.cc (cwdstuff::override_win32_cwd): Check if old_cwd is null.
path.cc (fcwd_access_t::Free): Factor null check of "this" out to
caller(s).
pinfo.cc (_pinfo::exists): Ditto.
pinfo.cc (_pinfo::fd): Ditto.
pinfo.cc (_pinfo::fds): Ditto.
pinfo.cc (_pinfo::root): Ditto.
pinfo.cc (_pinfo::cwd): Ditto.
pinfo.cc (_pinfo::cmdline): Ditto.
signal.cc (_pinfo::kill): Ditto.
pinfo.cc (_pinfo::commune_request): remove non-null check on "this", as
this method is only called from pinfo.cc after null checks
pinfo.cc (_pinfo::pipe_fhandler): remove non-null check on "this", as
this method is only called from pipe.cc (fhandler_pipe::open) after a null check.
Signed-off-by: Peter Foley <pefoley2@pefoley.com>
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Rename without-mingw-progs to with-cross-bootstrap, since it now
disables additional checks that are problematic for cross-compilers.
When cross-compiling a toolchain targeting cygwin, building cygwin1.dll
requires libgcc.
However, building libgcc requires the cygwin headers to be
installed.
Configuring cygwin requries the mingw-crt libraries, which require the
cygwin headers to be installed.
Work around this circular dependency by making the
--with-cross-bootstrap configure option skip cygwin's configure checks
for valid mingw-crt libraries. Cygwin will still properly link against
these libraries if they exist, but this allows configure to succeed even
if the libraries have not been built yet.
Since the mingw-crt libraries only require the cygwin headers to be
installed, this allows us to successfully configure cygwin so that we
can only install the headers without trying to build any
libraries.
winsup/ChangeLog
configure.ac: rename without-mingw-progs option to with-cross-bootstrap
configure: regenerate
winsup/cygserver/ChangeLog
configure.ac: don't check AC_WINDOWS_LIBS when using with-cross-bootstrap
configure: regenerate
winsup/cygwin/ChangeLog
configure.ac: don't check AC_WINDOWS_LIBS when using with-cross-bootstrap
configure: regenerate
Signed-off-by: Peter Foley <pefoley2@pefoley.com>
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MALLOC_CHECK got useless with commit b259af5. Remove it throughout.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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MALLOC_DEBUG and NEWVFORK haven't been defined since 2008 (46162537516c5e5fbb).
Remove all references to tem.
winsup/cygwin/ChangeLog:
acconfig.h: delete
dcrt0.cc (dll_crt0_1): remove NEWVFORK code.
dcrt0.cc (do_exit): ditto.
debug.h: ditto.
dtable.h: ditto.
winsup.h: ditto.
globals.cc: ditto.
malloc_wrapper.cc: ditto.
malloc_wrapper.cc (malloc_init): ditto.
spawn.cc (spawnve): ditto.
syscalls.cc (setsid): ditto.
Signed-off-by: Peter Foley <pefoley2@pefoley.com>
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Use the 3-arg form of AC_DEFINE.
winsup/cygwin/ChangeLog:
acconfig.h: Remove DEBUGGING define.
configure.ac: Add description to DEBUGGING define.
config.h.in: Regenerate.
configure: Ditto.
Signed-off-by: Peter Foley <pefoley2@pefoley.com>
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HAVE_BUILTIN_MEMTEST and AC_ALLOCA were removed in 4bd8eb7d1b.
Cleanup leftover references.
winsup/cygwin/ChangeLog
acconfig.h: remove HAVE_BUILTIN_MEMTEST
config.h.in: regenerate
Signed-off-by: Peter Foley <pefoley2@pefoley.com>
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Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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When building cygwin in a combined tree with binutils,
the just-built windres cannot find the just-buit gcc automatically.
Parse the CC env variable to use the correct compiler, rather then
falling back to the build-system's gcc which does not define the proper
preprocessor macros.
winsup/cygwin/ChangeLog
mkvers.sh: Manually specify preprocessor based on $CC
Signed-off-by: Peter Foley <pefoley2@pefoley.com>
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The type for the ip_tos member was typoed, fix it.
winsup/cygwin/ChangeLog:
include/netinet/ip.h: fix type of ip_tos
Signed-off-by: Peter Foley <pefoley2@pefoley.com>
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After `make clean', the build can fail because the dependencies don't
require the tlsoffsets file to exist before building obejct files.
This patch fixes it.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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On Linux and in Mingw-w64, fexcept_t is defined as type unsigned short.
There are packages in the wild which rely on the fact that fexcept_t is
an integral type. We're changing the internal handling to use the bits
just as in GLibc, so only the 6 lowest bits are used to reflect the hw
bits. We even change the header file guard to reflect GLibc for compatibility.
* include/fenv.h (_FENV_H): Rename from _FENV_H_ and set to 1 as in
GLibc's header.
(fexcept_t): Change to __uint16_t to be an integral type as in GLibc.
* fenv.cc (fegetexceptflag): Align to the *flagp's type change.
(fesetexceptflag): Ditto.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* Makefile.in (MATH_OFILES): Add nanl.o.
* common.din (nanl): Export.
* math/nanl.c: New file.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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This patch adds the long double functions missing in newlib to Cygwin.
Apart from some self-written additions (exp10l, finite{f,l}, isinf{f,l},
isnan{f,l}, pow10l) the files are taken from the Mingw-w64 math lib.
Minor changes were required, e.g. substitue _WIN64 with __x86_64__ and
fixing __FLT_RPT_DOMAIN/__FLT_RPT_ERANGE for Cygwin.
Cygwin:
* math: New subdir with math functions.
* Makefile.in (VPATH): Add math subdir.
(MATH_OFILES): List of object files collected from building files in
math subdir.
(DLL_OFILES): Add $(MATH_OFILES).
${CURDIR}/libm.a: Add $(MATH_OFILES) to build.
* common.din: Add new functions from math subdir.
* i686.din: Align to new math subdir. Remove functions now commonly
available.
* x86_64.din: Ditto.
* math.h: math.h wrapper to define mingw structs used in some files in
math subdir.
* include/cygwin/version.h: Bump API minor version.
newlib:
* libc/include/complex.h: Add prototypes for complex long double
functions. Only define for Cygwin.
* libc/include/math.h: Additionally enable prototypes of long double
functions for Cygwin. Add Cygwin-only prototypes for dreml, sincosl,
exp10l and pow10l. Explain why we don't add them to newlib.
* libc/include/tgmath.h: Enable long double handling on Cygwin.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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setstate is supposed to take a char *, not a const char *.
* random.cc (setstate): Unconstify parameter to align to stdlib.h.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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The inclusion of <sys/cygwin.h> by <sys/shm.h>, besides causing namespace
pollution, also makes it very difficult to get the WINVER-dependent parts
of the former. This affects code (such as x11vnc -unixpw_nis) which use
both SysV shared memory (e.g. the X11 MIT-SHM extension) and user password
authentication.
getpagesize is the simplest function to retreive this information, but it
is a legacy function and would also pollute the global namespace. The LSB
lists another form which is in the implementation-reserved namespace:
http://refspecs.linuxfoundation.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/baselib---getpagesize.html
Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
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Prototypes also added for initstate() and setstate() but they
were not implemented in the shared newlib code.
* newlib/libc/include/cygwin/stdlib.h: Prototypes added.
* winsup/cygwin/include/cygwin/stdlib.h: Prototypes removed.
* newlib/libc/stdlib/random.c: New file.
* newlib/libc/machine/epiphany/machine/stdlib.h: Removed
* newlib/libc/stdlib/Makefile.am: Added random.c.
* newlib/libc/stdlib/stdlib.tex: Added random.def.
* newlib/libc/stdlib/Makefile.in: Regenerated.
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Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Don't use u_char, u_short, u_int or u_long in Cygwin, unless it refers
to the Winsock types. Use u_intN_t in BSD-based sources, unsigned char
where strings are concerned, uintN_t otherwise. Also:
* net.cc: Fix comment, we're not using u_long anymore.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* net.cc (get_routedst): Correctly return in_addr_t.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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FIONBIO is defined in sys/termios.h and asm/socket.h. Align the comments.
Remove unused REAL_FIONBIO.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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u_char, u_short, u_int, u_long are BSD-only types. Remove them from
Cygwin headers which are supposed to be used in a non-BSD scenario.
Drop special Cygwin handling of those types in sys/types.h.
newlib:
* libc/include/sys/types.h (u_char,u_short,u_int,u_long): Drop
Cygwin exception.
cygwin:
* fhandler_socket.cc (fhandler_socket::ioctl): Accommodate change
in include/asm/socket.h. Continue using u_long since that's the
MS type here.
* include/asm/socket.h: Since the type given in _IOR/_IOW macros
is only used for its sizeof, replace u_long with equivalent long.
* netdb.h (getnetbyaddr): Fix prototype.
* netinet/ip.h: Replace old BSD-only types with generically defined
old BSD types (u_char -> u_int8_t, etc).
* netinet/tcp.h: Ditto.
* netinet/udp.h: Ditto.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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The u_intN_t types are BSD types but sanctioned by POSIX. They are
always defined when using Glibc headers so we follow suit.
newlib:
* libc/include/sys/types.h: Drop outdated __INTTYPES_DEFINED__
macro. Always define u_intN_t types.
cygwin:
* include/cygwin/types.h: Remove definition of u_intN_t types.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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So far any group in the user's token could be used as primary group.
Windows doesn't check if the primary group is enabled or not, it just
has no meaning. From a POSIXy point of view it can lead to weird
results though.
* uinfo.cc (check_token_membership): New static function.
(internal_getlogin): Only allow enabled groups as primary group.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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A user token can be up to 64K in size. Using 32K buffers for TOKEN_GROUPS
may be insufficient.
* uinfo.cc (get_logon_sid): Use 64K buffers for the TOKEN_GROUPS
array.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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A user token can be up to 64K in size. The group list might take a lot
of that so use tmp_pathbuf allocated space rather than stack space
allocted via alloca. In create_token the TOKEN_GROUP was allocated via
malloc, but the code is needlessly complicated. Simplify by using
tmp_pathbuf as well.
* sec_auth.cc (verify_token): Allocate TOKEN_GROUP via tmp_pathbuf.
(create_token): Ditto.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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As long as we're not building in C++14 mode, the definition of the
sized delete operator results in a compatibility warning.
* cxx.cc (operator delete): Disable C++14 warning for sized variant.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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When compiling with -std=c++14 (the default for gcc 6.0+), the sized
deallocation operator must be defined to prevent undefined symbols when
linking.
winsup/cygwin/ChangeLog:
cxx.cc (operator delete(void *p, size_t)): Define.
Signed-off-by: Peter Foley <pefoley2@pefoley.com>
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newlib:
* libc/include/stdlib.h (posix_memalign): Drop __rtmes__ guards.
cygwin:
* include/cygwin/stdlib.h (posix_memalign): Drop prototype.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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The latest version of the mingw headers have been updated to make
DnsRecordListFree an alias of DnsFree when targeting Windows XP or later.
Use DnsFree directly, avoiding the wrapper function.
/home/peter/cross/src/cygwin/winsup/cygwin/libc/minires-os-if.c:289:
undefined reference to `DnsFree'
winsup/cygwin/ChangeLog
autoload.cc: Load DnsFree rather then DnsRecordListFree
libc/minires-os-if.cc (cygwin_query): Use DnsFree rather then DnsRecordListFree
Signed-off-by: Peter Foley <pefoley2@pefoley.com>
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