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a8dce6197a
Continuing the use of generic macros for defining libm function aliases, in preparation for adding more _FloatN / _FloatNx function names, this patch makes the lgamma_r functions use such macros. declare_mgen_alias_r becomes a standard macro in math-type-macros.h instead of being locally defined in w_lgamma_r_templace.c. This in turn must be defined by each math-type-macros-<type>.h. Rather than providing an unused default in math-type-macros.h, that header is made to give an error if math-type-macros-<type>.h failed to define declare_mgen_alias or declare_mgen_alias_r. The compat lgamma_r wrappers are updated similarly. The ldbl-opt versions are removed as no longer needed. Tested for x86_64, and with build-many-glibcs.py. Installed stripped shared libraries are unchanged except for powerpc64le (where the usual issue applies that an ldbl-opt long double function previously used long_double_symbol unconditionally and now the symbol versions on powerpc64le mean weak_alias is used instead, resulting in the same symbol versions in the final shared library but still enough difference in the input objects for that library not to be byte-identical). * sysdeps/generic/math-type-macros.h [!declare_mgen_alias]: Give error. Remove default definition of declare_mgen_alias. [!declare_mgen_alias_r]: Likewise. * sysdeps/generic/math-type-macros-double.h [!declare_mgen_alias_r] (declare_mgen_alias_r): New macro. * sysdeps/generic/math-type-macros-float.h [!declare_mgen_alias_r] (declare_mgen_alias_r): Likewise. * sysdeps/generic/math-type-macros-float128.h [!declare_mgen_alias_r] (declare_mgen_alias_r): Likewise. * sysdeps/generic/math-type-macros-ldouble.h [!declare_mgen_alias_r] (declare_mgen_alias_r): Likewise. * math/w_lgamma_r_template.c (declare_mgen_alias_r_x): Remove macro. (declare_mgen_alias_r_s): Likewise. (declare_mgen_alias_r): Likewise. * math/w_lgamma_r_compat.c: Include <libm-alias-double.h>. (lgamma_r): Define using libm_alias_double_r. * math/w_lgammaf_r_compat.c: Include <libm-alias-float.h>. (lgammaf_r): Define using libm_alias_float_r. * math/w_lgammal_r_compat.c: Include <libm-alias-ldouble.h>. (lgammal_r): Define using libm_alias_ldouble_r. * sysdeps/ieee754/ldbl-opt/w_lgamma_r_compat.c: Remove file. * sysdeps/ieee754/ldbl-opt/w_lgammal_r_compat.c: Likewise. |
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| version.h | ||
This directory contains the sources of the GNU C Library. See the file "version.h" for what release version you have. The GNU C Library is the standard system C library for all GNU systems, and is an important part of what makes up a GNU system. It provides the system API for all programs written in C and C-compatible languages such as C++ and Objective C; the runtime facilities of other programming languages use the C library to access the underlying operating system. In GNU/Linux systems, the C library works with the Linux kernel to implement the operating system behavior seen by user applications. In GNU/Hurd systems, it works with a microkernel and Hurd servers. The GNU C Library implements much of the POSIX.1 functionality in the GNU/Hurd system, using configurations i[4567]86-*-gnu. The current GNU/Hurd support requires out-of-tree patches that will eventually be incorporated into an official GNU C Library release. When working with Linux kernels, this version of the GNU C Library requires Linux kernel version 3.2 or later. Also note that the shared version of the libgcc_s library must be installed for the pthread library to work correctly. The GNU C Library supports these configurations for using Linux kernels: aarch64*-*-linux-gnu alpha*-*-linux-gnu arm-*-linux-gnueabi hppa-*-linux-gnu Not currently functional without patches. i[4567]86-*-linux-gnu x86_64-*-linux-gnu Can build either x86_64 or x32 ia64-*-linux-gnu m68k-*-linux-gnu microblaze*-*-linux-gnu mips-*-linux-gnu mips64-*-linux-gnu powerpc-*-linux-gnu Hardware or software floating point, BE only. powerpc64*-*-linux-gnu Big-endian and little-endian. s390-*-linux-gnu s390x-*-linux-gnu sh[34]-*-linux-gnu sparc*-*-linux-gnu sparc64*-*-linux-gnu tilegx-*-linux-gnu tilepro-*-linux-gnu If you are interested in doing a port, please contact the glibc maintainers; see http://www.gnu.org/software/libc/ for more information. See the file INSTALL to find out how to configure, build, and install the GNU C Library. You might also consider reading the WWW pages for the C library at http://www.gnu.org/software/libc/. The GNU C Library is (almost) completely documented by the Texinfo manual found in the `manual/' subdirectory. The manual is still being updated and contains some known errors and omissions; we regret that we do not have the resources to work on the manual as much as we would like. For corrections to the manual, please file a bug in the `manual' component, following the bug-reporting instructions below. Please be sure to check the manual in the current development sources to see if your problem has already been corrected. Please see http://www.gnu.org/software/libc/bugs.html for bug reporting information. We are now using the Bugzilla system to track all bug reports. This web page gives detailed information on how to report bugs properly. The GNU C Library is free software. See the file COPYING.LIB for copying conditions, and LICENSES for notices about a few contributions that require these additional notices to be distributed. License copyright years may be listed using range notation, e.g., 1996-2015, indicating that every year in the range, inclusive, is a copyrightable year that would otherwise be listed individually.