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2de413db32
More macro updates from the pa_autoconf library. Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
15 lines
663 B
Plaintext
15 lines
663 B
Plaintext
dnl --------------------------------------------------------------------------
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dnl PA_SHSYM(...)
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dnl
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dnl Convert a (semi-) arbitrary string to a shell symbol
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dnl Convert non-shell characters to underscores, except + which is converted
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dnl to x (so C++ -> cxx). Unlike PA_SYM(), do not compact multiple
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dnl underscores.
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dnl
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dnl This currently differs from PA_CSYM only in not doing case conversion.
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dnl --------------------------------------------------------------------------
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AC_DEFUN([PA_SHSYM],
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[m4_bpatsubsts(m4_quote(m4_normalize([$*])),
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[[ ]+],[],[\+],[x],[[^abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]],[_],
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[^._\(.*\)_.$],[[[\1]]])])
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