|
7aed0edf
|
2021-12-02T00:35:05
|
|
man: Add missing comma in .Dd for tree(3)
Reported-by: Thorsten Glaser <tg@mirbsd.de>
|
|
|
fafcc397
|
2021-11-30T04:00:54
|
|
man: Update tree(3) man page from OpenBSD
This man page has a BSD-3-clause-author license instead of the old
BSD-4-clause license.
|
|
|
48107fc8
|
2021-11-28T23:19:16
|
|
build: Clarify link-time warnings
Mention the involved function instead of stating an implicit "this
function". Mention libbsd when proposing using an alternative libmd
to make the context clear.
|
|
|
e7cf8c57
|
2021-11-28T22:44:08
|
|
Switch md5 compatibility logic back to direct linking
When using the recent dlsym() based wrapper, we are not requiring any
symbol from libmd, as we resolve those dynamically at run-time. We were
ending up linking against libmd because in another part of the code we
require (depending on the architecture) the SHA512 functions for the
getentropy() local implementation. But that function might be provided
by the system libc on some systems, which means we end up not linking
against libmd at all.
To solve this we go back to the previous simpler solution of linking
directly, which had the main drawback of then making programs fail to
link when not specifying -lmd (on platforms that need it). And then
switch the .so link point from a symlink to a linker script, so that we
can inject the -lmd library as-needed. This is similar to what glibc is
doing.
Fixes: commit 31f034e3862debda8615a449b1c11c4d6920dcc7
|
|
|
25d35625
|
2021-11-28T22:40:58
|
|
build: Split libmd dependency due to MD5 functions from SHA requirements
To be able to rework the md5 deprecation logic, we need to detangle when
we depend on libmd due to requiring MD5 functions, which might be
otherwise provided by libc, or when we require SHA functions for the
internal getentropy() implementation.
|
|
|
500b3080
|
2021-11-28T22:34:59
|
|
build: Add new libbsd_symver_weak() macro
We will use it for the reworked md5 deprecation logic.
|
|
|
8ad7570c
|
2021-11-27T21:07:00
|
|
getentropy: Add missing prototype for BSD variant
Warned-by: gcc
|
|
|
1eba4060
|
2021-11-27T21:09:18
|
|
test: Check that strdup() does not fail
Warned-by: gcc
|
|
|
43a82703
|
2021-11-27T20:26:05
|
|
nlist: Remove condition which is always true
The nlist() function is limited to handle ELF binaries of the same class
as size as the size_t of the architecture built.
In addition the SIZE_T_MAX macro is BSD specific, and was falling back
to the wrong constant on most 64-bit non-BSD systems.
Warned-by: gcc
|
|
|
6a71b24b
|
2021-11-27T22:52:28
|
|
build: Append __ after __attribute and __typeof keywords
Be consistent with other usages in the code base.
|
|
|
7389fe8d
|
2021-11-27T06:54:49
|
|
build: Ignore backup files
|
|
2716dfd0
|
2021-11-26T20:24:20
|
|
test: Explicitly mark symbols as used
Because some of the symbols are not otherwise referenced, GCC would like
to remove them.
Closes: !14
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
|
54f87456
|
2021-11-26T20:01:18
|
|
build: Enable .init_array support when building with LTO
Because these symbols are not otherwise referenced, GCC would like
to remove them.
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
|
1808d64b
|
2021-03-01T05:14:10
|
|
test: Fix pipe_feed() to allow checking fprintf format strings
Warned-by: gcc -W
|
|
|
beafad26
|
2021-03-07T00:22:59
|
|
build: Add missing proctitle unit test program
|
|
|
6145b561
|
2021-08-17T03:14:57
|
|
test: Do not pass NULL as the first funopen() argument
Warned-by: gcc -W
|
|
|
731b0a77
|
2021-08-17T02:59:59
|
|
build: Detect sed at configure time
Check whether sed is available and use the implementation matching the
requirements via the SED variable.
|
|
|
50b50a43
|
2021-03-02T05:18:04
|
|
vis: Add prototypes for strnvis() and strnunvis() variants
Warned-by: gcc
|
|
|
25e88f64
|
2021-03-02T00:48:31
|
|
test: Cast literal strings to (char *) on n_name assignment
The member is declared as n_name so we cannot directly assign a literal
string constant.
Warned-by: gcc
|
|
|
04a8fb24
|
2021-03-02T00:48:02
|
|
Add missing prototypes to functions
Warned-by: gcc
|
|
|
4f68a88f
|
2021-02-19T06:55:17
|
|
build: Add compiler warnings support
Detect as many warnings as possible during configure and enable them
if the user did not supply any, so that any such problem can be spotted
and fixed.
|
|
|
428be9e0
|
2021-10-07T23:08:42
|
|
man: Fix .Nx macro usage
Its arguments are used as version numbers, so we need continue the
content on the next line.
|
|
c7a5d780
|
2021-09-30T03:39:57
|
|
build: Allow building with -flto on gcc-10 and newer
Global asm statements (like .symver directives) do not work reliably
in gcc with link time optimization. Use the symver attribute introduced
with gcc-10 to set symbol versions instead, if available.
[guillem@hadrons.org:
- Simplify by using __has_attribute fallback from <sys/cdefs.h>.
- Coding style changes. ]
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
|
8f59221c
|
2021-02-19T06:51:18
|
|
nlist: Remove repeated shadowing variable declaration
Warned-by: gcc
|
|
|
72a82ee2
|
2021-02-20T22:22:54
|
|
getentropy: Fix function cast for getauxval()
Warned-by: gcc
|
|
|
3c305f28
|
2021-02-19T06:49:53
|
|
test: Add proper prototypes for main() function
Warned-by: gcc
|
|
|
25278891
|
2021-02-19T06:49:24
|
|
Mark local functions as static
Warned-by: gcc
|
|
|
e35d9141
|
2021-02-11T04:41:46
|
|
Add link-time warnings to MD5 wrapper functions
Let's get the word out that these functions are deprecated and should be
switched away from.
|
|
|
4feda870
|
2021-02-11T04:40:48
|
|
Require a semicolon for libbsd_link_warning() macro
Remove the semicolon in the macro definition to force adding one on the
call sites, to make the code look like an actual function.
|
|
|
d563a174
|
2021-02-18T23:38:30
|
|
man: Call the libbsd-ctor library by its name instead of bsd-ctor
|
|
|
785cf9d1
|
2021-02-18T23:38:30
|
|
man: Fix pkg-config(1) references in libbsd(7) man page
|
|
|
15bd284b
|
2021-02-28T05:16:01
|
|
build: Add code coverage support in the GitLab CI
|
|
|
a9fc2859
|
2021-02-28T05:14:54
|
|
build: Use apt-get instead of apt in the GitLab CI
The former is to be used programmatically, while the latter is intended
for interactive use.
|
|
|
c0d86a64
|
2021-02-09T08:35:36
|
|
build: Add a Libs.private field to overlay pkg-config file
We need to list all internal libraries there so that we can statically
link.
Fixes: commit 2374f409defb380d0c5c07f28b9c166ef8bdc742
|
|
|
1fb25b7d
|
2021-02-09T06:14:25
|
|
Release libbsd 0.11.3
|
|
|
31f034e3
|
2021-02-09T05:57:37
|
|
Switch libmd wrapper to use dlsym()
Switch from the previous versioned symbol implementation which required
users to also link against the message digest provider explicitly, or
they would fail to find the symbols, to an implementation that loads
the symbols from the linked library providing the functions using
dlsym(), thus preserving backwards compatibility.
|
|
|
2374f409
|
2021-02-09T05:56:49
|
|
build: Add a Libs.private field to pkg-config file
We need to list all internal libraries there so that we can statically
link.
|
|
|
a4e0db2b
|
2021-02-09T06:04:38
|
|
build: Use a single variable to track libraries to link against
Using various variables means we have to keep these in sync in various
places. Just use a single variable that we can use anywhere where this
is needed.
|
|
|
43d34c9d
|
2021-02-09T06:02:46
|
|
build: Fix message digest library checks
They were not failing when not finding the SHA-2 functions and
were hardcoding -lmd regardless of what library had been found.
|
|
|
1c3ff616
|
2021-02-09T02:46:49
|
|
Use uintptr_t and size_t instead of __-prefixed types in <sys/cdefs.h>
The __-prefixed types cannot be assumed to be defined. Use the standard
types instead.
Closes: #6
|
|
|
edea268c
|
2021-02-08T03:59:56
|
|
Release libbsd 0.11.2
|
|
|
e832b768
|
2021-02-08T03:45:06
|
|
closefrom: Use close_range() on Linux when available
Closes: !11
Based-on-patch-by: cptpcrd <cptpcrd.git@gmail.com>
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
c4fca5bb
|
2021-02-07T14:22:21
|
|
closefrom: Handle lowfd < 0 properly
More important if close_range() is going to be used, since casting
negative values to 'unsigned int' might hide the errors.
[guillem@hadrons.org: Minor coding style fix. ]
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
|
a1f79978
|
2021-02-08T02:52:50
|
|
closefrom: Import some changes from sudo
Take most of the changes done in sudo, but preserve the existing local
changes and refactoring.
In addition, refactor pstat implementation into closefrom_pstat(), so
that the code is easier to read, and requires no conditional
declarations.
|
|
46760262
|
2021-02-07T20:47:00
|
|
Update <sys/queue.h> from FreeBSD
This brings <sys/queue.h> to the most up-to-date version from FreeBSD,
incorporating 18 commits from the past 5 years (2015-02-24 - 2021-01-25):
$ git log --oneline 9090a24aed70..8d55837dc133 sys/sys/queue.h share/man/man3/queue.3
Only minimal changes compared to the FreeBSD version have been applied
(queue.3 -> queue.3bsd, _LIBBSD_ prefix).
[guillem@hadrons.org: Remove reference to kernel mode in man page. ]
Closes: !12
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
|
25f9b306
|
2021-02-07T23:24:51
|
|
test: Improve code coverage for strnstr(3) unit tests
|
|
|
18ebabf2
|
2021-02-07T10:56:51
|
|
man: Update libbsd(7) man page with updates in 0.11.0
|
|
|
4ab11c7f
|
2021-02-07T10:37:18
|
|
build: Install libmd-dev in the gitlab CI
|
|
|
766c883e
|
2021-02-07T10:35:57
|
|
build: Switch gitlab CI to use a Debian buster
|
|
|
a4de4d95
|
2021-02-07T02:03:59
|
|
Release libbsd 0.11.1
|
|
|
233cab9d
|
2021-02-06T23:28:42
|
|
Add support for new LIBBSD_VIS_OPENBSD selection macro
This will make it possible to explicitly select the OpenBSD vis
implementation (the current default) for code of OpenBSD origins.
|
|
|
2462cd88
|
2021-02-07T00:23:43
|
|
Release libbsd 0.11.0
|
|
|
d54ceb37
|
2021-02-07T00:09:45
|
|
Update copyright claims
|
|
|
847e682f
|
2021-02-07T00:09:30
|
|
Use libmd hashing function implementations instead of embedding our own
This splits the implementation responsibilities, and reduces embedded
code copies, which was one of the driving points with this project to
start with, so it's nice to give a good example.
|
|
68f980c9
|
2018-07-05T14:47:47
|
|
Provide a default progname on Windows
[guillem@hadrons.org:
- Remove .exe extension from default program name.
- Call reallocarray() once by switching to a «do {} while» loop.
- Minor coding style fixes. ]
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
|
37a9b56c
|
2021-02-06T23:43:12
|
|
Import pwcache module from OpenBSD
|
|
|
45dd5229
|
2021-02-07T01:27:51
|
|
man: Remove empty line in reallocarray(3bsd)
Warned-by: lintian
Fixes: commit 01f0d1ea1e71f1018a009ebd9203dd48e6d90c45
|
|
|
01f0d1ea
|
2020-12-31T12:46:03
|
|
Add recallocarray() and freezero() from OpenBSD
Add recallocarray(), introduced in OpenBSD 6.1, and freezero(),
introduced in OpenBSD 6.2. The former is imported as-is from OpenBSD,
while the latter is the non-malloc-internal branch of the same code (and
also the OpenSSH portable variant).
Both of these originated in OpenBSD, but have also been implemented by
IllumOS, cf. https://www.illumos.org/issues/8546
Documentation for these functions is in malloc(3) upstream, the relevant
parts of which were previously imported in reallocarray(3bsd). Update
reallocarray(3bsd) with the changes that were introduced since, and add
the relevant bits for recallocarray() and freezero(), plus aliases.
[guillem@hadrons.org: Update copyright in COPYING. ]
Closes: !10
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
9c85d828
|
2019-11-14T07:26:41
|
|
Fix ELF detection on Intel compilers
The Intel compiler does not define __amd64__ on x86_64 platforms;
instead, like other compilers, it defines __x86_64__ .
Closes: !8
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
|
eac4ce0c
|
2020-09-20T03:30:20
|
|
man: Add a timespec(3bsd) alias to timeval(3bsd)
Even though man-pages project now includes man pages for system data
types, we still include these for any other system that does not have
them, to provide a self-contained project with code and documentation.
|
|
|
cfeafeab
|
2020-08-16T21:58:04
|
|
funopen: Fix memory leak in funopen_close() when closefn is NULL
We need to free the cookiewrap even when the closefn method is NULL.
Warned-by: gcc ASAN
|
|
|
5ecff0c9
|
2020-09-16T23:41:28
|
|
man: Add missing LIBRARY section
|
|
|
8c5a83d6
|
2020-09-20T03:32:57
|
|
Fix coding style
|
|
|
d5b04ab1
|
2020-08-16T22:01:42
|
|
test: Fix short lived memory leaks
These are non-issues, but having a clean ASAN test suite makes it
possible to detect actual problems in the tested code.
Warned-by: gcc ASAN
|
|
|
3d6b6ead
|
2019-11-16T00:04:18
|
|
build: Detect support for --version-script in ld
|
|
|
eb445425
|
2019-08-12T23:52:10
|
|
Do not define SIZE_T_MAX if already defined
|
|
|
59f6a956
|
2019-08-12T23:25:20
|
|
man: Add missing doc-operating-system-NetBSD string variable
Fixes: commit 99320b9168ffb0112def1a712e8d59441d1b46d9.
|
|
|
3548c5f6
|
2019-08-26T05:39:17
|
|
Add missing strnvisx() to the symbols script
Fixes: commit 2d7de186e9cb19a756c0630ee85cb3f2d29b3484.
|
|
|
a11c98a6
|
2019-08-07T18:34:09
|
|
Release libbsd 0.10.0
|
|
|
5745ca03
|
2019-08-06T15:49:41
|
|
err: Add err(), warn(), errx() and warnx() familiy of functions
Some systems such as Windows or musl-libc based ones do not have these
BSD extensions. In addition libbsd itself is making use of the warnx()
functions, so we better provide these interfaces in case they are
missing.
|
|
|
9628798d
|
2019-08-06T15:37:43
|
|
err: Rewrite warnc() and errc() family functions to be standalone
Do not depend on the system vwarn() and verr() functions to implement
the *c() variants, as the system might actually lack any of the <err.h>
BSD extensions.
|
|
|
f34a5f71
|
2019-08-06T15:29:54
|
|
err: Mark error functions as non-returning with __dead2
|
|
72c68868
|
2019-08-07T00:02:09
|
|
Add e2k support for nlist()
This is a Russian 64-bit LE VLIW architecture named Elbrus
(formerly Elbrus 2000).
[guillem@hadrons.org:
- Place the entry in alphabetical order. ]
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
a4323f2b
|
2019-05-28T16:04:54
|
|
Add AArch64 ILP32 support to nlist()
Closes: !7
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
4997efa5
|
2019-05-17T01:44:56
|
|
Add ARC support to nlist()
Closes: !6
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
|
96202c6c
|
2019-08-07T00:00:15
|
|
Add a comment to note the ELF entries are sorted alphabetically
This should help people wanting to add new entries.
|
|
61d378f5
|
2019-02-03T00:11:15
|
|
Re-allow direct use of nlist.n_name in <nlist.h>
Commit e8d340de ("Remove a.out support from nlist()") introduced a copy
of the definition of nlist from a.out.h. However, as well as having
n_name inside n_un, on the various BSDs n_name could also be accessed
as a direct member of nlist, and this is made use of by FreeBSD's
usr.bin/netstat/main.c. Thus we should also add the same enclosing
anonymous union.
[guillem@hadrons.org:
- Add a minimal unit test. ]
Closes: !4
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
|
9d917aad
|
2019-08-07T22:58:30
|
|
nlist: Fix out-of-bounds read on strtab
When doing a string comparison for a symbol name from the string table,
we should make sure we do a bounded comparison, otherwise a non-NUL
terminated string might make the code read out-of-bounds.
Warned-by: coverity
|
|
|
18662cad
|
2019-06-15T14:33:32
|
|
nlist: Fix unbounded malloc() calls
There are a couple of malloc() calls with unbounded size arguments,
coming from the parsed file. We need to make sure the size is not
larger than the file being parsed, otherwise we might end up with
out of memory conditions.
Reported-by: Daniel Hodson <daniel@elttam.com.au>
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
|
ce53f7c2
|
2019-06-15T14:33:32
|
|
nlist: Fix pread() return value check
We should check for partial reads, and not continue in those cases,
as we are not retrying them, otherwise we might end up operating on
uninitialized data.
Reported-by: Daniel Hodson <daniel@elttam.com.au>
Based-on-patch-by: Daniel Hodson <daniel@elttam.com.au>
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
|
24d1f4dd
|
2019-06-15T14:33:32
|
|
nlist: Check whether sh_link is within bounds
The sh_link members should be >= e_shnum, otherwise we might do out of
bounds read accesses on the shdr array.
Reported-by: Daniel Hodson <daniel@elttam.com.au>
Based-on-patch-by: Daniel Hodson <daniel@elttam.com.au>
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
|
e9529d9b
|
2019-06-15T14:33:32
|
|
nlist: Check that e_shnum and e_shentsize are within bounds
The e_shnum must not be 0, otherwise we will do a zero sized allocation
and further processing of the executable will lead to out of bounds
read/write accesses. The e_shentsize must be equal to sizeof(Elf_Shdr),
otherwise we will perform out of bounds read accesses on the shdr array.
Reported-by: Daniel Hodson <daniel@elttam.com.au>
Based-on-patch-by: Daniel Hodson <daniel@elttam.com.au>
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
|
3aaedb12
|
2019-06-15T14:33:32
|
|
nlist: Check whether the nl argument is not NULL
This prevents programming errors.
Reported-by: Daniel Hodson <daniel@elttam.com.au>
Based-on-patch-by: Daniel Hodson <daniel@elttam.com.au>
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
|
2c754f43
|
2019-07-31T03:49:43
|
|
man: Add man page sections to function references
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
ee4d2497
|
2019-03-10T10:03:12
|
|
man: Fix typo
Closes: !5
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
|
8d2afa3a
|
2019-07-31T03:49:24
|
|
man: Fix typos
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
|
e9f6faf3
|
2019-07-31T03:02:38
|
|
man: Replace references to a.out(5) with elf(5)
The a.out(5) support in nlist(3) got removed some time ago, and
there is now only elf(5) support.
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
|
99320b91
|
2019-06-13T23:43:57
|
|
man: Define doc-operating-system-NetBSD string variables
This way we do not depend on the installed groff being new enough.
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
|
71c710e9
|
2019-06-13T23:42:49
|
|
man: Use major.minor version for .Nx macros
The macro only recognizes this version form, and not just major alone.
Signed-off-by: Guillem Jover <guillem@hadrons.org>
|
|
|
21f4052c
|
2019-06-13T23:36:09
|
|
man: Add doc-str-Lb-libbsd aliases for str-Lb-libbsd
groff(1) has changed the internal layout for the .Lb doc strings, but to
preserve backwards compatibility we cannot simply rename them, we need
to create new aliases so that these will work with old and new macros.
Signed-off-by: Guillem Jover <guillem@hadrons.org>
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1899e2c5
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2019-07-31T02:58:01
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Update TODO
Signed-off-by: Guillem Jover <guillem@hadrons.org>
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48033408
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2018-06-14T11:38:32
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Provide a <sys/param.h> with MIN() and MAX()
Windows doesn't provide <sys/param.h>. Several libbsd sources require it
for MIN(), and these are useful non-system-specific macros anyway.
Signed-off-by: Guillem Jover <guillem@hadrons.org>
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f99b8ea5
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2018-06-14T11:38:33
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build: Disable CRT warnings on Windows
These warnings are not helpful for libbsd.
[guillem@hadrons.org:
- Rename WINDOWS conditional to OS_WINDOWS.
- Add a nil terminator to the AM_CPPFLAGS. ]
Signed-off-by: Guillem Jover <guillem@hadrons.org>
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4bed4839
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2018-06-14T11:38:32
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build: Detect Windows/MinGW at configure time
Extend the host OS checks to define an OS_WINDOWS automake conditional if
the host is MinGW-like. This will be useful for future Windows-specific
build tweaks.
[guillem@hadrons.org:
- Rename WINDOWS conditional to OS_WINDOWS. ]
Signed-off-by: Guillem Jover <guillem@hadrons.org>
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2e071c3c
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2019-08-06T19:14:29
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build: Support platforms without symbol versioning
The .symver directive is ELF-specific. On non-ELF platforms, work around
this with __attribute__((__alias__)) for the default symbol, and ignore
the variant versioned symbols.
Based-on-patch-by: Aaron Dierking <aarond@fb.com>
Signed-off-by: Guillem Jover <guillem@hadrons.org>
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890699a7
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2019-08-06T18:51:45
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build: Abstract symbol versioning via new libbsd_symver_* macros
This makes it more obvious what they are doing. It will make it easier
to make these directives more portable, as they are really ELF specific.
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b0ebb0d4
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2019-08-06T23:16:42
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build: Use __register_atfork() only if really available
This is a glibc-specific symbol that has no public declaration. But is
being used by the OpenBSD and this implementation as a hack to avoid
having to link against the pthread library. This interface is at least
included in LSB 5.0 [L], and using pthread_atfork() is otherwise
problematic anyway [P].
[L] <https://refspecs.linuxfoundation.org/LSB_5.0.0/LSB-Core-generic/LSB-Core-generic/baselib---register-atfork.html>
[P] <http://austingroupbugs.net/view.php?id=851>
One problem is that we were using it whenever __GLIBC__ is defined,
which is supposed to be defined only on an actual glibc, but uClibc
defines that macro, but it does not provide the symbol on its noMMU
variant.
We add a new configure check that will try to link a program that uses
that symbol to make sure it is present.
Closes: !2
Reported-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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73aea4f8
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2019-08-06T23:11:50
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build: Fix check for clock_gettime() within librt
The check was always setting the libraries to link to include -lrt,
as the success case includes the builtin one. Handle the various
values.
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7cfa2d45
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2018-06-14T11:38:31
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Correct Clang feature detection
Clang's __GNUC__ and __GNUC_MINOR__ definitions are not reliable and may
not be defined at all when targeting the MSVC ABI. Use feature-checking
macros when possible or check for __clang__.
[guillem@hadrons.org: Update for __ protected keyword change. ]
Signed-off-by: Guillem Jover <guillem@hadrons.org>
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574c7a13
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2018-06-18T00:36:44
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Protect C language extensions with two leading and trailing underscores
This should make their usage safer against user macros.
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