Age | Commit message (Collapse) | Author |
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Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
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Some really old platforms (eg SunOS4) segfault on fflush(NULL) so check
for and work around. With klausz at haus-gisela.de.
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Some platforms don't have strndup, which includes Solaris 10, NetBSD 3
and FreeBSD 6.
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Some compilers (gcc 2.9.53, 3.0 and probably others, see gcc bug #3481)
do not accept __attribute__ on function pointer prototype args. Check for
this and hide them if they're not accepted.
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Also a couple of minor changes: fail if we can't lock instead of
silently succeeding, and apply a couple of minor style fixes.
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AC_FUNC_GETPGRP tests if getpgrp(0) works, which it does if it's not
declared. Instead, test if the zero-arg version we want to use works.
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Configure assumes that if malloc(0) returns null then calloc(0,n)
also does. On some old platforms (SunOS4) malloc behaves as expected
(as determined by AC_FUNC_MALLOC) but calloc doesn't. Test for this
at configure time and activate the replacement function if found, plus
handle this case in rpl_calloc.
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Since explicit_bzero uses it via an indirect it needs to be a function
not just a macro.
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BindInterface required getifaddr and friends so disable if not available
(eg Solaris 10). We should be able to add support for some systems with
a bit more work but this gets the building again.
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On some older platforms (at least sunos4, probably others) sys/audit.h
requires some other headers. Patch from klausz at haus-gisela.de.
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getrusage was used in ssh-rand-helper but that's now long gone.
Patch from klauszh at haus-gisela.de.
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The code required to support it is quite invasive to the mainline
code that is synced with upstream and is an ongoing maintenance burden.
Both the hardware and software are literal museum pieces these days and
we could not find anyone still running OpenSSH on one.
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Prevents configure-time "present but cannot be compiled" warning.
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This adds checks for gcc and clang flags for mitigations for Spectre
variant 2, ie "retpoline". It'll automatically enabled if the compiler
supports it as part of toolchain hardening flag. ok djm@
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The configure checks that populated $SCARD_MSG were removed in commits
7ea845e4 and d8f60022 when the smartcard support was replaced with
PKCS#11.
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Adds a .depend file containing dependency information generated by
makedepend, which is appended to the generated Makefile by configure.
You can regen the file with "make -f Makefile.in depend" if necessary,
but we'll be looking at some way to automatically keep this up to date.
"no objection" djm@
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When ldns-config is not found, configure would check the wrong variable.
ok djm@
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Check for MIKDIR_P and use it instead of mkinstalldirs. Should fix "mkdir:
cannot create directory:... File exists" during "make install".
Patch from eb at emlix.com.
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musl libc doesn't seem to have linux/if.h, so check for its presence
before enabling rdomain support on Linux.
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On at least older OpenBSDs, sys/sysctl.h and net/route.h require
sys/types and, in the case of sys/sysctl.h, sys/param.h for MAXLOGNAME.
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We don't support openssl-1.1.x yet (see multiple threads on the
openssh-unix-dev@ mailing list for the reason), but previously
./configure would accept it and the compilation would subsequently
fail. This makes ./configure display an explicit error message and
abort.
ok dtucker@
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On some platforms (AIX, maybe others) allocating zero bytes of memory
via the various *alloc functions returns NULL, which is permitted
by the standards. Autoconf has some macros for detecting this (with
the exception of calloc for some reason) so use these and if necessary
activate shims for them. ok djm@
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ok dtucker@
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It's still on by default, but now it's possible to turn it off using
--without-hardening. This is useful since it's known to cause problems
with some -fsanitize options. ok dtucker@
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Some CFLAGS/LDFLAGS may disrupt the configure script's operation,
in particular santization and fuzzer options that break assumptions
about memory and file descriptor dispositions.
This adds two flags to configure --with-cflags-after and
--with-ldflags-after that allow specifying additional compiler and
linker options that are added to the resultant Makefiles but not
used in the configure run itself.
E.g.
env CC=clang-3.9 ./configure \
--with-cflags-after=-fsantize=address \
--with-ldflags-after="-g -fsanitize=address"
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FreeBSD's <sys/capability.h> was renamed to <sys/capsicum.h> in 2014 to
avoid future conflicts with POSIX capabilities (the last release that
didn't have it was 9.3) so switch to that. Patch from des at des.no.
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UnixWare needs BROKEN_TCGETATTR_ICANON like Solaris
Analysis by Robbie Zhang
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Include replacement timespeccmp() for systems that lack it.
Support time_t struct stat->st_mtime in addition to
timespec stat->st_mtim, as well as unsorted fallback.
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recallocarray() needs getpagesize() so add a tiny replacement for that.
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The cross-compiling fallback message says it's assuming the test
passed, but it didn't actually set the cache var which causes
later tests to fail.
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Speeds up configure and build by a couple of percent. ok djm@
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We no longer support OpenSSL < 1.0.1 so remove check for unreliable ECC
in OpenSSL < 0.9.8g.
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Actually enable ldns when attempting to use ldns-config. bz#2697, patch
from fredrik at fornwall.net.
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