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2019-07-05Fix header installation for recent 64-only archYann Sionneau
Summary: Recent arch do not support Legacy. Thus they don't define ARCH_HAS_DEPRECATED_SYSCALLS But this led to per-arch headers not being installed and common-generic ones taking precedence. So it was impossible to declare arch-specific statfs.h for instance, to force 64-bit mode only. This was leading to the following situation to happen: 1/ an application compiles (say without -D_FILE_OFFSET_BITS set) it therefore uses struct statfs from libc/sysdeps/linux/common-generic/bits/statfs.h where f_type and f_bsize fields are U32: https://elixir.bootlin.com/uclibc-ng/latest/source/libc/sysdeps/linux/common-generic/bits/statfs.h#L18 2/ application calls "statfs" 3/ uClibc issues "statfs64" syscall (because __NR_statfs64 is defined and __NR_statfs is undefined): https://elixir.bootlin.com/uclibc-ng/latest/source/libc/sysdeps/linux/common/statfs.c#L14 4/ if Linux kernel port is not defining CONFIG_COMPAT, it calls do_statfs_native https://elixir.bootlin.com/linux/latest/source/fs/statfs.c#L195 5/ it does copy_to_user of the size of struct statfs defined in the kernel source tree: https://elixir.bootlin.com/linux/latest/source/fs/statfs.c#L161 6/ Generic struct statfs in the kernel is defined like this: https://elixir.bootlin.com/linux/latest/source/include/uapi/asm-generic/statfs.h#L23 f_type and f_bsize fields are long (64 bits) for 64-bit archs. 7/ memory corruption occurs because of this mismatch Solution: Allow to not define __ARCH_HAS_DEPRECATED_SYSCALLS__ *and* declare its own arch-specific statfs.h header, matching the kernel one. (for instance with f_type and f_bsize defined as long) Does this change break other archs? This change allows headers in libc/sysdeps/linux/<ARCH>/bits/ to override ones in libc/sysdeps/linux/common-generic/bits/ The only arch which does not define __ARCH_HAS_DEPRECATED_SYSCALLS__ *and* has a header in libc/sysdeps/linux/<ARCH>/bits/ which can conflict with one in libc/sysdeps/linux/common-generic/bits/ is c6x. The file that can override is ../libc/sysdeps/linux/c6x/bits/kernel_stat.h This, btw, means that, today, this file is there and is not used (during compilation, GNU Make overrides the rule): Makefile.in:152: warning: overriding recipe for target `include/bits/kernel_stat.h' Makefile.in:148: warning: ignoring old recipe for target `include/bits/kernel_stat.h' I was not able to compile uClibc with the only binary toolchain I found for c6x arch (gcc-4.5.1 from code sourcery: https://sourcery.mentor.com/GNUToolchain/release1882) However, I can tell that c6x's kernel_stat.h only defines two structs: kernel_stat and kernel_stat64: https://elixir.bootlin.com/uclibc-ng/latest/source/libc/sysdeps/linux/c6x/bits/kernel_stat.h And I can also tell that those structs are only used when using xstat conversion functions (__xstat32_conv / xstat_conv) which are only used and present in the __ARCH_HAS_DEPRECATED_SYSCALLS__ == y case. However, c6x does not define __ARCH_HAS_DEPRECATED_SYSCALLS__ So I think I can say that this change does not affect c6x nor other archs.
2017-04-22remove unused HP_TIMING_AVAIL and headerWaldemar Brodkorb
cleanup unused and unsupported code.
2017-03-20remove RPC implementationWaldemar Brodkorb
The included RPC implementation is ipv4 only. Other C library projects have either deprecated the internal RPC implementation (GNU C Library) or never implemented such functionality (musl C Library). The latest rpcbind release (0.2.4) checks for libtirpc and does not allow to be build with uClibc-ng RPC without patching. The common use case for RPC nowadays is to use rpcbind together with nfs-utils to provide NFS server or client support to a system. The included RPC implementation does create issues with duplicate symbol failures when statically compiling with RPC enabled.
2017-01-17Makefile.in: Fix removal of libintl.hBernd Kuhls
A wrong filename was present in Makefile.in leaving libintl.h installed even if libintl support is disabled leading to wrong configure checks by other packages. Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
2016-12-28do not remove iconv.h when UCLIBC_HAS_LOCALE is not setWaldemar Brodkorb
2016-12-21remove obstack supportWaldemar Brodkorb
Remove __UCLIBC_HAS_OBSTACK__ as it isn't very uptodate and maintained part. It shouldn't be required for any software and mostly shipped with stuff which use it. (f.e. binutils-gdb)
2016-12-20add stub implementation for libintl/gettextWaldemar Brodkorb
These adds the stubs from gettext-tiny 0.0.5 from here: https://github.com/sabotage-linux/gettext-tiny
2016-12-14add libiconv-tiny implementationWaldemar Brodkorb
To use it enable UCLIBC_HAS_LIBICONV, then iconv_open/iconv_close should be available.
2016-12-02remove libintl stub and libintl.h headerWaldemar Brodkorb
As __UCLIBC_HAS_GETTEXT_AWARENESS__ is never defined, this is mostly dead code. It is planned to integrate libiconv-tiny and gettext-tiny into uClibc-ng after the next release, so that more software packages can be used without modification. Remove any _/_N macro usage.
2016-11-29remove libresolv stubWaldemar Brodkorb
2016-11-27remove libnsl stubWaldemar Brodkorb
2016-11-17Fix extra/locale/gen_wc_8bit error with out-of-tree buildsAnton Kolesov
If uClibc is built outside of the source tree, then there is an error: make[1]: *** No rule to make target `/home/akolesov/build-uclibc/extra/locale', needed by `/home/akolesov/build-uclibc/extra/locale/gen_wc8bit'. Stop. The rule to create $(top_builddir)/extra/locale is defined in top-level Makefile.in. Same Makefile.in also invokes extra/locale/Makefile.in to build various tools. Those tools have $(top_builddir)/extra/locale as a dependency, but this makefile doesn't include top-level Makefile.in, therefore rule to create dependant directory is absent in this submake invocation. To avoid this problem this patch defines $(top_builddir)/extra/locale as a dependency for "headers" target, which invokes extra/locale/Makefile.in, thus making sure that prerequisite directory is created in advance. This problem doesn't occur when building in the source tree, since $(top_builddir) == $(top_srcdir), so this directory already exists. Signed-off-by: Anton Kolesov <Anton.Kolesov@synopsys.com>
2016-10-28test: remove test suiteWaldemar Brodkorb
The test suite is now a developed in a separate git repository. See here: http://cgit.uclibc-ng.org/cgi/cgit/uclibc-ng-test.git The test suite should be just like every other software compiled with the cross-toolchain. In the past strange problems where found when the test suite got build in the toolchain creation step.
2016-10-19create empty static files conditionallyWaldemar Brodkorb
2016-09-26use a single libc and deduplicate threading codeWaldemar Brodkorb
Similar to musl libc a single libc has many benefits and solves some open issues with uClibc-ng. - no pthread_mutex_* weak symbols exported anymore - applications no longer failing to link when either -lrt or -lpthread are missing for dynamic and static linking mode - smaller C library - slightly better runtime performance
2016-06-01remove MJN only debug messagesWaldemar Brodkorb
2016-05-18remove linuxthreads.new, rename linuxthreads.oldWaldemar Brodkorb
Linuxthreads.new isn't really useful with the existence of NPTL/TLS for well supported architectures. There is no reason to use LT.new for ARM/MIPS or other architectures supporting NPTL/TLS. It is not available for noMMU architectures like Blackfin or FR-V. To simplify the live of the few uClibc-ng developers, LT.new is removed and LT.old is renamed to LT. LINUXTHREADS_OLD -> UCLIBC_HAS_LINUXTHREADS
2016-01-01Add argp implementationSalvatore Cro
Argp is an advanced support for parsing unix-style argument vectors. In addition to the common getopt interface, it provides automatic response to `--help' and `--version' options and use of custom parser in conjunction with argp native option parser, among others. Argp support is required by elfutils package and prelink. In uClibc argp functionalities has been moved from C library to libuargp.so Further the libc.so linker script contains an AS_NEEDED entry so that it doesn't need to link libuargp.so explicitely. Disable argp test if feature disabled. Signed-off-by: Salvatore Cro <salvatore.cro@st.com> Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com> Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com> Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
2015-07-05fix parallel build issue when LOCALES are enabledWaldemar Brodkorb
2015-06-10buildsys: pregen depends on xlocaleBernhard Reutner-Fischer
pt-initfini eventually depends on xlocale Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-06-10buildsys: Tweak pregen wrt headers_depBernhard Reutner-Fischer
Required for !NPTL, !context-funcs for example. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-05-25implement experimental pure-sh testsuite runner and generationmirabilos
2015-04-13buildsys: Do not build crt upon pregenBernhard Reutner-Fischer
No need to build crt when just generating headers Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-04-13buildsys: tweak ucontext_i.h prerequisitesBernhard Reutner-Fischer
ucontext_i.h too depends on uClibc_config.h. Update it to look like the other MANGLE generated files and tweak prereqs Fixes: make realclean ; make -j libc/misc/internals/__uClibc_main.i Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-29merge uClibc git masterWaldemar Brodkorb
2015-03-24buildsys: HAS_UTMP (XPG2, SVr4 compat) knobBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-22libc: add getrandom(2)Bernhard Reutner-Fischer
Introduce a <sys/random.h> for it. /* FIXME: aren't there a couple of __restrict and const missing ? */ extern int getrandom(void *__buf, size_t count, unsigned int flags) __nonnull ((1)) __wur; Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-08Makefile.in: add missing dependency on bits/sysnum.h to $(pregen-headers-y)Max Filippov
This fixes the following build error: GEN include/bits/sysnum.h GEN libpthread/nptl/sysdeps/unix/sysv/linux/structsem.h GEN libpthread/nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.h GEN libpthread/nptl/sysdeps/unix/sysv/linux/lowlevelbarrier.h GEN libpthread/nptl/sysdeps/unix/sysv/linux/structsem.h GEN libpthread/nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.h GEN libpthread/nptl/sysdeps/unix/sysv/linux/pthread-pi-defines.h GEN libpthread/nptl/sysdeps/unix/sysv/linux/lowlevelbarrier.h GEN libpthread/nptl/sysdeps/unix/sysv/linux/pthread-pi-defines.h In file included from ./libpthread/nptl/pthreadP.h:25:0, from <stdin>:2: ./include/sys/syscall.h:24:25: fatal error: bits/sysnum.h: No such file or directory #include <bits/sysnum.h> ^ compilation terminated. GEN libpthread/nptl/sysdeps/unix/sysv/linux/lowlevelcond.h make[1]: *** [libpthread/nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.h] Error 1 Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2015-02-14Revert "resolve merge"Waldemar Brodkorb
This reverts commit 6b6ede3d15f04fe825cfa9f697507457e3640344.
2015-02-14resolve mergeWaldemar Brodkorb
2014-12-12unistd: allow to turn off getopt_longBernhard Reutner-Fischer
The GNU variant of getopt() previously had no way to turn off getopt_long() support.
2014-06-12buildsys: Do not install atomic.hBernhard Reutner-Fischer
Gregory Fong noted that we'd better not install atomic.h Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-01-08buildsys: store savedefconfig to defconfig fileVineet Gupta
It now generated a file name defconfig in current directory Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-01-07buildsys: fixup unifdef state in skiphashBernhard Reutner-Fischer
attempt to fix unifdef swallowing -f defundefile lines Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-12-20buildsys: Fix error on config clean in realcleanBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-11-19buildsys: update unifdefBernhard Reutner-Fischer
sync up to 55501a61dd257e941d53f175350ee52fc6ff2866 (2.9 + refactor keyword and symbol matching) Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-11-11buildsys: on realclean, rm include/{config,generated}Bernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-11-06pull kconfig from linux-3.11Bernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-06-14config: UCLIBC_HAS_OBSTACK to optionally enable obstack supportAnthony G. Basile
Signed-off-by: Anthony G. Basile <blueness@gentoo.org> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-06-07eventfd.h: Use new "bits/" scheme for arch-specific flagsHiroaki KAWAI
As in timerfd.h, eventfd.h needs arch-specific definition files. alpha, mips and sparc needs separate file, all the other arch will use common definition. This problem is already fixed in glibc. Also sanitize and provide bits for hppa. Make sure not to install the new bits/eventfd unless eventfd support is enabled. Signed-off-by: Hiroaki KAWAI <kawai@stratosphere.co.jp> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-04-04buildsys: fix realcleanBernhard Reutner-Fischer
For anything but (toplevel) clean, CLEAN_%, we need .config Otherwise realclean would leave stuff behind that was not intended to survive. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-03-20test: fix non-O checkingBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-03-14test: add missing top_srcdirBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-03-14buildsys: remove calls to mktempBernhard Reutner-Fischer
Nowadays we should not be racy in this area anymore, so simplify generating temporary build-files. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-03-14buildsys: tweak KCONFIG_CONFIG exportBernhard Reutner-Fischer
0c3eb2da578bc7ba2e74d240e3249dce62ec725e moved KCONFIG_CONFIG around and that broke propagation of config-settings to the testsuite. Fix that. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-02-20Makefile.in: Use non-legacy interfaces for new architecturesMarkos Chandras
New architectures, which don't define ARCH_HAS_DEPRECATED syscalls, need to use the new interfaces from libc/sysdeps/linux/generic-syscalls/bits/ Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-01-26buildsys: gen_bits_syscall_h: remove top_builddir referencesMike Frysinger
This script hasn't used this var in a while (it writes to stdout), so drop all mention/usage of it. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2013-01-17socket.h: pull socket_type.h from eglibcBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-01-08buildsys: prevent make from searching for .configBernhard Reutner-Fischer
Fixes: make distclean mkdir /.config make -C test/API clean Reading makefile `../../.config' (search path) (don't care) (no ~ expansion)... make: *** ../../.config: Is a directory. Stop. write(1, "Reading makefile `../../.config'"..., 80) = 80 open("../../.config", O_RDONLY) = -1 ENOENT (No such file or directory) open("/usr/include/../../.config", O_RDONLY) = 6 fstat(6, {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 read(6, 0x7f2fe3bfc000, 4096) = -1 EISDIR (Is a directory) Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2012-06-18Revert: buildsys: clean up libubacktrace linker script handlingKevin Cernekee
Signed-off-by: Kevin Cernekee <cernekee@gmail.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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