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5df4cba632
This is mostly to get this commit from gnulib:
e22cd2677a4b7beacbf30b93bb0559f7b89f96ce
Add ‘extern "C"’ to count-one-bits.h etc.
... which fixes this compilation problem I observed with clang++:
CXXLD gdb
arch/arm-get-next-pcs.o:arm-get-next-pcs.c:function thumb_get_next_pcs_raw(arm_get_next_pcs*): error: undefined reference to 'count_one_bits(unsigned int)'
<more such undefined references>
I built-tested on GNU/Linux x86-64 (gcc-9 and clang-9) as well as with the
x86_64-w64-mingw32-gcc cross-compiler.
gnulib/ChangeLog:
* update-gnulib.sh (GNULIB_COMMIT_SHA1): Bump to
e22cd2677a4b7beacbf30b93bb0559f7b89f96ce.
* Makefile.in, config.in, configure, import/*: Re-generate.
73 lines
2.2 KiB
Plaintext
73 lines
2.2 KiB
Plaintext
# glob_h.m4 serial 5
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dnl Copyright (C) 2018-2020 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl From Bruno Haible.
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AC_DEFUN_ONCE([gl_GLOB_H],
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[
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AC_REQUIRE([gl_GLOB_H_DEFAULTS])
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m4_ifdef([gl_ANSI_CXX], [AC_REQUIRE([gl_ANSI_CXX])])
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AC_REQUIRE([AC_C_RESTRICT])
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AC_CHECK_HEADERS_ONCE([glob.h])
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gl_CHECK_NEXT_HEADERS([glob.h])
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if test $ac_cv_header_glob_h = yes; then
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HAVE_GLOB_H=1
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else
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HAVE_GLOB_H=0
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fi
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AC_SUBST([HAVE_GLOB_H])
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m4_ifdef([gl_POSIXCHECK],
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[GLOB_H=glob.h],
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[GLOB_H=''
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if m4_ifdef([gl_ANSI_CXX], [test "$CXX" != no], [false]); then
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dnl Override <glob.h> always, to support the C++ GNULIB_NAMESPACE.
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GLOB_H=glob.h
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else
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if test $ac_cv_header_glob_h != yes; then
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dnl Provide a substitute <glob.h> file.
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GLOB_H=glob.h
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fi
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fi
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])
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AC_SUBST([GLOB_H])
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AM_CONDITIONAL([GL_GENERATE_GLOB_H], [test -n "$GLOB_H"])
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dnl Check for declarations of anything we want to poison if the
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dnl corresponding gnulib module is not in use.
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gl_WARN_ON_USE_PREPARE([[#include <glob.h>
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]],
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[glob globfree glob_pattern_p])
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])
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dnl Unconditionally enables the replacement of <glob.h>.
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AC_DEFUN([gl_REPLACE_GLOB_H],
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[
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AC_REQUIRE([gl_GLOB_H_DEFAULTS])
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GLOB_H='glob.h'
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AM_CONDITIONAL([GL_GENERATE_GLOB_H], [test -n "$GLOB_H"])
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])
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AC_DEFUN([gl_GLOB_MODULE_INDICATOR],
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[
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dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
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AC_REQUIRE([gl_GLOB_H_DEFAULTS])
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gl_MODULE_INDICATOR_SET_VARIABLE([$1])
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dnl Define it also as a C macro, for the benefit of the unit tests.
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gl_MODULE_INDICATOR_FOR_TESTS([$1])
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])
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AC_DEFUN([gl_GLOB_H_DEFAULTS],
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[
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GNULIB_GLOB=0; AC_SUBST([GNULIB_GLOB])
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dnl Assume POSIX and GNU behavior unless another module says otherwise.
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HAVE_GLOB=1; AC_SUBST([HAVE_GLOB])
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HAVE_GLOB_PATTERN_P=1; AC_SUBST([HAVE_GLOB_PATTERN_P])
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REPLACE_GLOB=0; AC_SUBST([REPLACE_GLOB])
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REPLACE_GLOB_PATTERN_P=0; AC_SUBST([REPLACE_GLOB_PATTERN_P])
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])
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