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172 Commits

Author SHA1 Message Date
Joseph Myers 3f2e46a494 Remove --disable-versioning. 2013-09-04 15:25:42 +00:00
Carlos O'Donell e4608715e6 CVE-2013-2207, BZ #15755: Disable pt_chown. 
The helper binary pt_chown tricked into granting access to another
user's pseudo-terminal.

Pre-conditions for the attack:

 * Attacker with local user account
 * Kernel with FUSE support
 * "user_allow_other" in /etc/fuse.conf
 * Victim with allocated slave in /dev/pts

Using the setuid installed pt_chown and a weak check on whether a file
descriptor is a tty, an attacker could fake a pty check using FUSE and
trick pt_chown to grant ownership of a pty descriptor that the current
user does not own.  It cannot access /dev/pts/ptmx however.

In most modern distributions pt_chown is not needed because devpts
is enabled by default. The fix for this CVE is to disable building
and using pt_chown by default. We still provide a configure option
to enable hte use of pt_chown but distributions do so at their own
risk.
 2013-07-21 15:39:55 -04:00
Joseph Myers bef0b50749 Move system-specific settings out of toplevel configure.in and config.make.in. 2013-03-20 22:37:06 +00:00
Andreas Schwab aaa8cb4b43 Add support for rtld directory different from slib directory 2013-03-19 12:07:26 +01:00
Joseph Myers daaa7713e9 Remove bounded-pointers build system support. 2013-02-15 15:07:54 +00:00
H.J. Lu 740b3dbee8 Add --enable-hardcoded-path-in-tests configure option 2013-01-11 07:14:18 -08:00
Joseph Myers 8b748aed2a Support --with-pkgversion and --with-bugurl. 2012-11-09 22:13:45 +00:00
Jim Blandy aba759841b Use $(NM) not nm in tst-cancel-wrappers. 2012-10-21 22:38:34 +00:00
H.J. Lu 6551399088 Remove $(have-cpp-asm-debuginfo) check 2012-09-15 13:08:45 -07:00
Roland McGrath c53d909c80 Add --disable-build-nscd configure option. 2012-08-22 13:35:55 -07:00
Roland McGrath 3cc3ef96d6 BZ#13696: Add --disable-nscd configure option. 2012-08-22 13:31:12 -07:00
Roland McGrath c91c505f22 Make sysheaders available in config.make. 2012-08-17 14:05:53 -07:00
Roland McGrath 4248b1b1cf Respect --localstatedir for /var/db parent directory. 2012-06-22 10:11:07 -07:00
Roland McGrath 30b99d798f BZ#10375: Configure magic to use -fno-stack-protector if needed. 2012-05-16 16:22:50 -07:00
Roland McGrath 61653dfb81 BZ#10375: Configure magic to use -U_FORTIFY_SOURCE if needed. 2012-05-16 16:20:59 -07:00
Andreas Jaeger 021db4be6f Make sunrpc code usable again 
New configure option --enable-obsolete-rpc makes the deprecated RPC
  headers and functions available at compile time as they were before
  version 2.14.  This option will be removed at some time in the future
  after the TI-RPC library becomes fully sufficient for the needs of
  existing applications.
 2012-05-10 20:19:53 +02:00
Roland McGrath 82a79e7d18 Do check-textrel test using readelf rather than a build-time C program. 2012-05-01 13:27:11 -07:00
Andreas Jaeger ecf0ebfb04 Always run check-abi 
Remove the configure options for running of check-abi and always
run it as part of the testsuite
 2012-04-29 06:36:30 +02:00
Joseph Myers a3cc4f48e9 Remove --as-needed configure test. 2012-04-25 17:02:33 +00:00
Joseph Myers 3a533ca370 Don't handle libgcc_s suffixes. 2012-04-24 10:22:45 +00:00
Andreas Schwab 7998fa7899 Disable use of FMA instructions in branred 2012-03-21 23:58:50 +01:00
David S. Miller eae47a3618 Add framework for using sparc VIS3 instructions, use it for copysign/signbit. 
* sysdeps/sparc/configure.in: New file.
	* sysdeps/sparc/configure: Generate.
	* configure.in (libc_cv_sparc_as_vis3): Substitute.
	* configure: Regenerate.
	* config.h.in (HAVE_AS_VIS3_SUPPORT): New.
	* config.make.in (have-as-vis3): New.
	* sysdeps/sparc/sparc32/sparcv9/Makefile (ASFLAGS-*): If VIS3 is
	available use -Av9d instead of -Av9a.
	* sysdeps/sparc/sparc64/Makefile: Likewise.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysign-vis3.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysign.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysignf-vis3.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysignf.S: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/Makefile: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_signbit-vis3.S: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_signbit.S: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_signbitf-vis3.S: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_signbitf.S: New file.
 2012-03-14 16:43:09 -07:00
Andreas Schwab 26ecc33a02 Remove have-initfini and need-nopic-initfini 2012-02-08 20:31:55 +01:00
Joseph Myers 3b1004624e Fix makefile/configure problems with sse2avx changes. 2012-01-30 19:55:15 +00:00
Ulrich Drepper 2119dcfacc Static linking is always needed 2012-01-08 09:52:29 -05:00
Ulrich Drepper 121766a9d6 Remove pwd tst from configure 2012-01-08 09:31:02 -05:00
Ulrich Drepper a0da5fe1e4 More fallout from supporting only ELF 2012-01-08 00:45:01 -05:00
Ulrich Drepper 0269750ca6 Remove non-ELF support 2012-01-07 20:30:26 -05:00
Ulrich Drepper bdeba1354b Remove --enable-omitfp support 2012-01-07 11:29:31 -05:00
Ulrich Drepper af968f62f2 Optimize accurate 64-bit routines for FMA4 on x86-64 2011-10-24 20:19:17 -04:00
Mike Frysinger 1c3b002bbb Use CPPFLAGS from configure. 2011-09-19 12:41:04 -07:00
Ulrich Drepper 3ce1f29594 Cleanup of configuration options 
Make several tool features mandatory and simplify the code.
 2011-09-10 14:34:15 -04:00
Ulrich Drepper 92963737c4 Remove support for automatic cvs check-ins 
CVS use for glibc is long gone.
 2011-09-08 23:19:04 -04:00
Roland McGrath 5c55070081 Use linker --print-output-format option if available. 2011-07-14 20:50:17 -07:00
Roland McGrath 751eb97ef2 Default install_root value from DESTDIR. 2011-07-05 09:57:47 -07:00
Roland McGrath 1b74661a6b Explicitly remove .gnu.glibc-stub sections with objcopy when not using 
linker script.
 2011-07-02 15:21:27 -07:00
Roland McGrath f781ef4015 Add --with-default-link configure option. 2011-07-02 15:19:52 -07:00
Ulrich Drepper 9113ea1f3f Remove the --experimental-malloc option 
It's well tested, make it the default.
 2011-06-28 16:53:01 -04:00
Ulrich Drepper 5b27a807d5 No need for RANLIB make variable anymore 2011-05-31 00:09:58 -04:00
H.J. Lu 435b95ebd0 AVX audit test failures with gcc 4.6 2011-02-02 19:28:44 -05:00
Roland McGrath 1c7570ff36 BZ #11840: Fix config.cache usage for -fgnu89-inline check. 2010-07-26 12:45:17 -07:00
H.J. Lu 01f1f5ee8b Pass -mtune=i686 to assembler when compiling for i686 2010-03-04 21:30:17 -08:00
H.J. Lu b0ecde3a63 Add AVX support to ld.so auditing for x86-64. 2009-07-10 12:04:14 -07:00
H.J. Lu 06e51c8f3d Add SSE4.2 support for strcspn, strpbrk, and strspn on x86-64. 2009-07-03 02:48:56 -07:00
Ulrich Drepper 23b6b46646 [BZ #10118] 
2009-05-06  Ryan S. Arnold  <rsa@us.ibm.com>
	[BZ #10118]
	* Makeconfig (+asflags): New variable based upon ASFLAG or
	asflags-cpu.
	(ASFLAGS): Add override to set ASFLAGS to +asflags.
	* config.make.in (asflags-cpu): Add variable based upon
	@libc_cv_cc_submachine@ to propagate -mcpu=CPU from --with-cpu=CPU to
	the assembler.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/power6/fpu/setcontext.S:
	Remove unneeded file now that the assembler emits _ARCH_PWR6 and
	recognizes power6 instruction set due to passing -mcpu=power6 from
	--with-cpu=power6 when compiling .S files.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/power6/fpu/swapcontext.S:
	Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/power6/fpu/setcontext.S:
	Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/power6/fpu/swapcontext.S:
	Likewise.
 2009-05-09 15:59:55 +00:00
Ulrich Drepper 900d7961d4 Add nss-crypt entry. Rename pic_default to libc_cv_pic_default. 2009-04-02 16:59:01 +00:00
Ulrich Drepper 425ce2edb9 * config.h.in (USE_MULTIARCH): Define. 
* configure.in: Handle --enable-multi-arch.
	* elf/dl-runtime.c (_dl_fixup): Handle STT_GNU_IFUNC.
	(_dl_fixup_profile): Likewise.
	* elf/do-lookup.c (dl_lookup_x): Likewise.
	* sysdeps/x86_64/dl-machine.h: Handle STT_GNU_IFUNC.
	* elf/elf.h (STT_GNU_IFUNC): Define.
	* include/libc-symbols.h (libc_ifunc): Define.
	* sysdeps/x86_64/cacheinfo.c: If USE_MULTIARCH is defined, use the
	framework in init-arch.h to get CPUID values.
	* sysdeps/x86_64/multiarch/Makefile: New file.
	* sysdeps/x86_64/multiarch/init-arch.c: New file.
	* sysdeps/x86_64/multiarch/init-arch.h: New file.
	* sysdeps/x86_64/multiarch/sched_cpucount.c: New file.

	* config.make.in (experimental-malloc): Define.
	* configure.in: Handle --enable-experimental-malloc.
	* malloc/Makefile: Handle experimental-malloc flag.
	* malloc/malloc.c: Implement PER_THREAD and ATOMIC_FASTBINS features.
	* malloc/arena.c: Likewise.
	* malloc/hooks.c: Likewise.
	* malloc/malloc.h: Define M_ARENA_TEST and M_ARENA_MAX.
 2009-03-13 23:53:18 +00:00
Roland McGrath 2cf9ad5752 2008-08-18 Roland McGrath <roland@redhat.com> 
* configure.in (--with-cpu): Check compiler support for -march/-mcpu.
	* configure: Regenerated.
	* config.make.in (cflags-cpu): New substituted variable.
	(with-cpu): Variable removed.
	* Makeconfig (+cflags): Use $(cflags-cpu), not $(with-cpu).
 2008-08-18 09:42:17 +00:00
Ulrich Drepper f8f6ff5da2 * config.make.in (datarootdir): Add to shut up configure. 2007-08-25 22:25:32 +00:00
Ulrich Drepper e967d38583 * config.make.in: Likewise. 2007-06-08 05:28:54 +00:00