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Last change
on this file since 3679 was 3529, checked in by bird, 4 years ago |
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Imported grep 3.7 from grep-3.7.tar.gz (sha256: c22b0cf2d4f6bbe599c902387e8058990e1eee99aef333a203829e5fd3dbb342), applying minimal auto-props.
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File size:
1007 bytes
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| 1 | # iswblank.m4 serial 5
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| 2 | dnl Copyright (C) 2011-2021 Free Software Foundation, Inc.
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| 3 | dnl This file is free software; the Free Software Foundation
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| 4 | dnl gives unlimited permission to copy and/or distribute it,
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| 5 | dnl with or without modifications, as long as this notice is preserved.
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| 6 |
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| 7 | AC_DEFUN([gl_FUNC_ISWBLANK],
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| 8 | [
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| 9 | AC_REQUIRE([gl_WCTYPE_H_DEFAULTS])
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| 10 | AC_REQUIRE([gl_WCTYPE_H])
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| 11 | dnl Persuade glibc <wctype.h> to declare iswblank().
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| 12 | AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
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| 13 | AC_CHECK_FUNCS_ONCE([iswblank])
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| 14 | AC_CHECK_DECLS([iswblank], , , [[
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| 15 | #include <wchar.h>
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| 16 | #include <wctype.h>
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| 17 | ]])
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| 18 | if test $ac_cv_func_iswblank = no; then
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| 19 | HAVE_ISWBLANK=0
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| 20 | if test $ac_cv_have_decl_iswblank = yes; then
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| 21 | REPLACE_ISWBLANK=1
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| 22 | fi
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| 23 | fi
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| 24 | if test $HAVE_ISWCNTRL = 0 || test $REPLACE_ISWCNTRL = 1; then
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| 25 | dnl Redefine all of iswcntrl, ..., towupper in <wctype.h>.
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| 26 | :
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| 27 | else
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| 28 | if test $HAVE_ISWBLANK = 0 || test $REPLACE_ISWBLANK = 1; then
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| 29 | dnl Redefine only iswblank.
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| 30 | :
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| 31 | fi
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| 32 | fi
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| 33 |
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| 34 | ])
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