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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.
22 lines
723 B
Plaintext
22 lines
723 B
Plaintext
# Test whether O_CLOEXEC is defined.
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dnl Copyright 2017-2020 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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AC_DEFUN([gl_PREPROC_O_CLOEXEC],
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[
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AC_CACHE_CHECK([for O_CLOEXEC],
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[gl_cv_macro_O_CLOEXEC],
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([[#include <fcntl.h>
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#ifndef O_CLOEXEC
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choke me;
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#endif
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]],
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[[return O_CLOEXEC;]])],
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[gl_cv_macro_O_CLOEXEC=yes],
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[gl_cv_macro_O_CLOEXEC=no])])
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])
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