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2b778ceb40
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
130 lines
4.2 KiB
Bash
130 lines
4.2 KiB
Bash
#! /bin/sh
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# Copyright (C) 2016-2021 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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#
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, see
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# <https://www.gnu.org/licenses/>.
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# For each installed header, confirm that it's possible to compile a
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# file that includes that header and does nothing else, in several
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# different compilation modes.
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# These compilation switches assume GCC or compatible, which is probably
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# fine since we also assume that when _building_ glibc.
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c_modes="-std=c89 -std=gnu89 -std=c11 -std=gnu11"
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cxx_modes="-std=c++98 -std=gnu++98 -std=c++11 -std=gnu++11"
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# An exhaustive test of feature selection macros would take far too long.
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# These are probably the most commonly used three.
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lib_modes="-D_DEFAULT_SOURCE=1 -D_GNU_SOURCE=1 -D_XOPEN_SOURCE=700"
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if [ $# -lt 3 ]; then
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echo "usage: $0 c|c++ \"compile command\" header header header..." >&2
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exit 2
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fi
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case "$1" in
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(c)
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lang_modes="$c_modes"
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cih_test_c=$(mktemp ${TMPDIR-/tmp}/cih_test_XXXXXX.c)
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;;
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(c++)
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lang_modes="$cxx_modes"
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cih_test_c=$(mktemp ${TMPDIR-/tmp}/cih_test_XXXXXX.cc)
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;;
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(*)
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echo "usage: $0 c|c++ \"compile command\" header header header..." >&2
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exit 2;;
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esac
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shift
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cc_cmd="$1"
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shift
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trap "rm -f '$cih_test_c'" 0
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failed=0
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is_x86_64=unknown
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for header in "$@"; do
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# Skip various headers for which this test gets a false failure.
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case "$header" in
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# bits/* are not meant to be included directly and usually #error
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# out if you try it.
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# regexp.h is a stub containing only an #error.
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# Sun RPC's .x files are traditionally installed in
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# $prefix/include/rpcsvc, but they are not C header files.
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(bits/* | regexp.h | rpcsvc/*.x)
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continue;;
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# All extant versions of sys/elf.h contain nothing more than an
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# exhortation (either a #warning or an #error) to use sys/procfs.h
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# instead, plus an inclusion of that header.
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(sys/elf.h)
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continue;;
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# Skip Fortran headers.
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(finclude/*)
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continue;;
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# sys/vm86.h is "unsupported on x86-64" and errors out on that target.
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(sys/vm86.h)
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case "$is_x86_64" in
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(yes) continue;;
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(no) ;;
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(unknown)
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cat >"$cih_test_c" <<EOF
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#if defined __x86_64__ && __x86_64__
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#error "is x86-64"
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#endif
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EOF
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if $cc_cmd -fsyntax-only "$cih_test_c" > /dev/null 2>&1
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then
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is_x86_64=no
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else
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is_x86_64=yes
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continue
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fi
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;;
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esac
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;;
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esac
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echo :: "$header"
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for lang_mode in "" $lang_modes; do
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for lib_mode in "" $lib_modes; do
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echo :::: $lang_mode $lib_mode
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if [ -z "$lib_mode" ]; then
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expanded_lib_mode='/* default library mode */'
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else
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expanded_lib_mode=$(echo : $lib_mode | \
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sed 's/^: -D/#define /; s/=/ /')
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fi
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cat >"$cih_test_c" <<EOF
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/* These macros may have been defined on the command line. They are
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inappropriate for this test. */
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#undef _LIBC
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#undef _GNU_SOURCE
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/* The library mode is selected here rather than on the command line to
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ensure that this selection wins. */
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$expanded_lib_mode
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#include <$header>
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int avoid_empty_translation_unit;
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EOF
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if $cc_cmd -finput-charset=ascii -fsyntax-only $lang_mode \
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"$cih_test_c" 2>&1
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then :
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else failed=1
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fi
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done
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done
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done
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exit $failed
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