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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.
76 lines
2.4 KiB
Plaintext
76 lines
2.4 KiB
Plaintext
# fnmatch_h.m4 serial 4
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dnl Copyright (C) 2009-2020 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_FNMATCH_H],
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[
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AC_REQUIRE([gl_FNMATCH_H_DEFAULTS])
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m4_ifdef([gl_ANSI_CXX], [AC_REQUIRE([gl_ANSI_CXX])])
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AC_CHECK_HEADERS_ONCE([fnmatch.h])
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gl_CHECK_NEXT_HEADERS([fnmatch.h])
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dnl Persuade glibc <fnmatch.h> to declare FNM_CASEFOLD etc.
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dnl This is only needed if gl_fnmatch_required = GNU. It would be possible
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dnl to avoid this dependency for gl_FUNC_FNMATCH_POSIX by putting
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dnl gl_FUNC_FNMATCH_GNU into a separate .m4 file.
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AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
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if test $ac_cv_header_fnmatch_h = yes; then
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HAVE_FNMATCH_H=1
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else
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HAVE_FNMATCH_H=0
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fi
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AC_SUBST([HAVE_FNMATCH_H])
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m4_ifdef([gl_POSIXCHECK],
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[FNMATCH_H=fnmatch.h],
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[FNMATCH_H=''
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if m4_ifdef([gl_ANSI_CXX], [test "$CXX" != no], [false]); then
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dnl Override <fnmatch.h> always, to support the C++ GNULIB_NAMESPACE.
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FNMATCH_H=fnmatch.h
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else
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if test $ac_cv_header_fnmatch_h != yes; then
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dnl Provide a substitute <fnmatch.h> file.
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FNMATCH_H=fnmatch.h
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fi
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fi
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])
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AC_SUBST([FNMATCH_H])
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AM_CONDITIONAL([GL_GENERATE_FNMATCH_H], [test -n "$FNMATCH_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 <fnmatch.h>
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]],
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[fnmatch])
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])
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dnl Unconditionally enables the replacement of <fnmatch.h>.
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AC_DEFUN([gl_REPLACE_FNMATCH_H],
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[
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AC_REQUIRE([gl_FNMATCH_H_DEFAULTS])
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FNMATCH_H='fnmatch.h'
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AM_CONDITIONAL([GL_GENERATE_FNMATCH_H], [test -n "$FNMATCH_H"])
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])
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AC_DEFUN([gl_FNMATCH_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_FNMATCH_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_FNMATCH_H_DEFAULTS],
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[
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GNULIB_FNMATCH=0; AC_SUBST([GNULIB_FNMATCH])
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dnl Assume POSIX behavior unless another module says otherwise.
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HAVE_FNMATCH=1; AC_SUBST([HAVE_FNMATCH])
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REPLACE_FNMATCH=0; AC_SUBST([REPLACE_FNMATCH])
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])
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