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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.
24 lines
513 B
Plaintext
24 lines
513 B
Plaintext
#serial 3
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dnl From Paul Eggert.
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AC_DEFUN(AC_C_BACKSLASH_A,
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[
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AC_CACHE_CHECK([whether backslash-a works in strings], ac_cv_c_backslash_a,
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[AC_TRY_COMPILE([],
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[
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#if '\a' == 'a'
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syntax error;
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#endif
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char buf['\a' == 'a' ? -1 : 1];
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buf[0] = '\a';
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return buf[0] != "\a"[0];
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],
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ac_cv_c_backslash_a=yes,
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ac_cv_c_backslash_a=no)])
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if test $ac_cv_c_backslash_a = yes; then
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AC_DEFINE(HAVE_C_BACKSLASH_A, 1,
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[Define if backslash-a works in C strings.])
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fi
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])
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