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ff4a34be27
* m4/prereq.m4, m4/c-bs-a.m4, m4/mbstate.m4: New files, from Fileutils 4.0.27. * src/main.c (printable_version): Remove. * src/lex.c, src/reader.c: Use `quote'. * lib/error.c, lib/error.h: New files, needed by xmalloc.c.
30 lines
852 B
Plaintext
30 lines
852 B
Plaintext
# serial 8
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# From Paul Eggert.
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# BeOS 5 has <wchar.h> but does not define mbstate_t,
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# so you can't declare an object of that type.
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# Check for this incompatibility with Standard C.
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# Include stdlib.h first, because otherwise this test would fail on Linux
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# (at least glibc-2.1.3) because the "_XOPEN_SOURCE 500" definition elicits
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# a syntax error in wchar.h due to the use of undefined __int32_t.
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AC_DEFUN(AC_MBSTATE_T,
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[
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AC_CHECK_HEADERS(stdlib.h)
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AC_CACHE_CHECK([for mbstate_t], ac_cv_type_mbstate_t,
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[AC_TRY_COMPILE([
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#if HAVE_STDLIB_H
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# include <stdlib.h>
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#endif
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#include <wchar.h>],
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[mbstate_t x; return sizeof x;],
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ac_cv_type_mbstate_t=yes,
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ac_cv_type_mbstate_t=no)])
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if test $ac_cv_type_mbstate_t = no; then
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AC_DEFINE(mbstate_t, int,
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[Define to a type if <wchar.h> does not define.])
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fi])
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