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* Update copyright dates with scripts/update-copyrightsJoseph Myers2023-01-061-1/+1
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* Update copyright dates with scripts/update-copyrightsPaul Eggert2022-01-011-1/+1
| | | | | | | | | | | | | | | | | | | | | | | I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 7061 files FOO. I then removed trailing white space from math/tgmath.h, support/tst-support-open-dev-null-range.c, and sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following obscure pre-commit check failure diagnostics from Savannah. I don't know why I run into these diagnostics whereas others evidently do not. remote: *** 912-#endif remote: *** 913: remote: *** 914- remote: *** error: lines with trailing whitespace found ... remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines
* Remove "Contributed by" linesSiddhesh Poyarekar2021-09-031-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | We stopped adding "Contributed by" or similar lines in sources in 2012 in favour of git logs and keeping the Contributors section of the glibc manual up to date. Removing these lines makes the license header a bit more consistent across files and also removes the possibility of error in attribution when license blocks or files are copied across since the contributed-by lines don't actually reflect reality in those cases. Move all "Contributed by" and similar lines (Written by, Test by, etc.) into a new file CONTRIBUTED-BY to retain record of these contributions. These contributors are also mentioned in manual/contrib.texi, so we just maintain this additional record as a courtesy to the earlier developers. The following scripts were used to filter a list of files to edit in place and to clean up the CONTRIBUTED-BY file respectively. These were not added to the glibc sources because they're not expected to be of any use in future given that this is a one time task: https://gist.github.com/siddhesh/b5ecac94eabfd72ed2916d6d8157e7dc https://gist.github.com/siddhesh/15ea1f5e435ace9774f485030695ee02 Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* Update copyright dates with scripts/update-copyrightsPaul Eggert2021-01-021-1/+1
| | | | | | | | | | | | | | | | I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 6694 files FOO. I then removed trailing white space from benchtests/bench-pthread-locks.c and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this diagnostic from Savannah: remote: *** pre-commit check failed ... remote: *** error: lines with trailing whitespace found remote: error: hook declined to update refs/heads/master
* Update copyright dates with scripts/update-copyrights.Joseph Myers2020-01-011-1/+1
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* Prefer https to http for gnu.org and fsf.org URLsPaul Eggert2019-09-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Also, change sources.redhat.com to sourceware.org. This patch was automatically generated by running the following shell script, which uses GNU sed, and which avoids modifying files imported from upstream: sed -ri ' s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g ' \ $(find $(git ls-files) -prune -type f \ ! -name '*.po' \ ! -name 'ChangeLog*' \ ! -path COPYING ! -path COPYING.LIB \ ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \ ! -path manual/texinfo.tex ! -path scripts/config.guess \ ! -path scripts/config.sub ! -path scripts/install-sh \ ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \ ! -path INSTALL ! -path locale/programs/charmap-kw.h \ ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \ ! '(' -name configure \ -execdir test -f configure.ac -o -f configure.in ';' ')' \ ! '(' -name preconfigure \ -execdir test -f preconfigure.ac ';' ')' \ -print) and then by running 'make dist-prepare' to regenerate files built from the altered files, and then executing the following to cleanup: chmod a+x sysdeps/unix/sysv/linux/riscv/configure # Omit irrelevant whitespace and comment-only changes, # perhaps from a slightly-different Autoconf version. git checkout -f \ sysdeps/csky/configure \ sysdeps/hppa/configure \ sysdeps/riscv/configure \ sysdeps/unix/sysv/linux/csky/configure # Omit changes that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines git checkout -f \ sysdeps/powerpc/powerpc64/ppc-mcount.S \ sysdeps/unix/sysv/linux/s390/s390-64/syscall.S # Omit change that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
* Update copyright dates with scripts/update-copyrights.Joseph Myers2019-01-011-1/+1
| | | | | | | * All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
* Update copyright dates with scripts/update-copyrights.Joseph Myers2018-01-011-1/+1
| | | | | | | * All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
* Define and use libm_alias_double.Joseph Myers2017-09-131-4/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Continuing the process of setting up common macros for libm function aliases, with a view to using them to define _FloatN / _FloatNx aliases in future, this patch adds a libm_alias_double macro and uses it in the type-generic templates. This macro handles defining aliases for double, and for long double in the NO_LONG_DOUBLE case. It also handles defining compat symbols for long double = double for architectures that changed their long double format. By so doing, it eliminates the need for the M_LIBM_NEED_COMPAT and declare_mgen_libm_compat macros; the single declare_mgen_alias call in each template now suffices to define all required compat symbols. When used for more double functions (not based on type-generic templates), I expect it will eliminate the need for most ldbl-opt wrappers for such functions. A few special cases are needed. __clog10l is a public symbol (for historical reasons) so needs to be given appropriate compat versions for architectures that changed their long double format, but is not defined as an alias using the normal macros since __clog10* are *not* public symbols for _FloatN / _FloatNx types. For scalbn, scalbln and log1p, the changes adding errno setting support for those functions left compat symbols pointing directly to the non-errno-setting implementations. There is no requirement for the compat symbols not to set errno; that just made for the simplest patches at that time. Now, with these common macros, it's natural to redirect the compat symbols to the errno-setting wrappers, which I intend to do in a separate patch. Tested for x86_64, and with build-many-glibcs.py. For ldbl-opt platforms the stripped libm.so binaries are changed (disassembly unchanged) because the details of how the clog10l compat symbol is created mean it ceases to be weak as it was before; for other platforms, stripped libm.so binaries are unchanged. 2017-09-13 Joseph Myers <joseph@codesourcery.com> * sysdeps/generic/libm-alias-double.h: New file. * sysdeps/ieee754/ldbl-opt/libm-alias-double.h: Likewise. * sysdeps/generic/math-type-macros-double.h: Include <libm-alias-double.h>. [declare_mgen_alias] (declare_mgen_alias): Define to use libm_alias_double. * sysdeps/generic/math-type-macros.h [!M_LIBM_NEED_COMPAT] (M_LIBM_NEED_COMPAT): Remove macro. [!M_LIBM_NEED_COMPAT] (declare_mgen_libm_compat): Likewise. * sysdeps/ieee754/ldbl-opt/math-type-macros-double.h: Remove. * math/cabs_template.c [M_LIBM_NEED_COMPAT]: Remove conditional code. * math/carg_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/cimag_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/conj_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/creal_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_cacos_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_cacosh_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_casin_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_casinh_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_catan_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_catanh_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_ccos_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_ccosh_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_cexp_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_clog10_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_clog_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_cpow_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_cproj_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_csin_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_csinh_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_csqrt_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_ctan_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_ctanh_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_fdim_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_fmax_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_fmin_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_nan_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/w_ilogb_template.c [M_LIBM_NEED_COMPAT]: Likewise. * sysdeps/ieee754/ldbl-opt/s_clog10.c: New file. * sysdeps/ieee754/ldbl-opt/s_ldexp.c (M_LIBM_NEED_COMPAT): Remove macro. (declare_mgen_alias): New macro. * sysdeps/ieee754/ldbl-opt/w_log1p.c: New file. * sysdeps/ieee754/ldbl-opt/w_scalbln.c: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim-vis3.c (M_LIBM_NEED_COMPAT): Remove macro. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim.c [HAVE_AS_VIS3_SUPPORT]: Include <math_ldbl_opt.h> and <first-versions.h>. [HAVE_AS_VIS3_SUPPORT && LONG_DOUBLE_COMPAT (libm, FIRST_VERSION_libm_fdiml)]: Define fdiml as compat symbol.
* Update copyright dates with scripts/update-copyrights.Joseph Myers2017-01-011-1/+1
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* Support for type-generic libm function implementations libmPaul E. Murphy2016-08-171-0/+32
This defines a new classes of libm objects. The <func>_template.c file which is used in conjunction with the new makefile hooks to derive variants for each type supported by the target machine. The headers math-type-macros-TYPE.h are used to supply macros to a common implementation of a function in a file named FUNC_template.c and glued togethor via a generated file matching existing naming in the build directory. This has the properties of preserving the existing override mechanism and not requiring any arcane build system twiddling. Likewise, it enables machines to override these files without any additional work. I have verified the built objects for ppc64, x86_64, alpha, arm, and m68k do not change in any meaningful way with these changes using the Fedora cross toolchains. I have verified the x86_64 and ppc64 changes still run.
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