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53 lines
1.6 KiB
Plaintext
53 lines
1.6 KiB
Plaintext
# Configure a replacement for <strings.h>.
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# serial 6
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# Copyright (C) 2007, 2009-2013 Free Software Foundation, Inc.
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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AC_DEFUN([gl_HEADER_STRINGS_H],
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[
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dnl Use AC_REQUIRE here, so that the default behavior below is expanded
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dnl once only, before all statements that occur in other macros.
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AC_REQUIRE([gl_HEADER_STRINGS_H_BODY])
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])
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AC_DEFUN([gl_HEADER_STRINGS_H_BODY],
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[
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AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS])
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gl_CHECK_NEXT_HEADERS([strings.h])
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if test $ac_cv_header_strings_h = yes; then
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HAVE_STRINGS_H=1
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else
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HAVE_STRINGS_H=0
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fi
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AC_SUBST([HAVE_STRINGS_H])
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dnl Check for declarations of anything we want to poison if the
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dnl corresponding gnulib module is not in use.
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gl_WARN_ON_USE_PREPARE([[
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/* Minix 3.1.8 has a bug: <sys/types.h> must be included before
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<strings.h>. */
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#include <sys/types.h>
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#include <strings.h>
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]], [ffs strcasecmp strncasecmp])
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])
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AC_DEFUN([gl_STRINGS_MODULE_INDICATOR],
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[
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dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
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AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS])
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gl_MODULE_INDICATOR_SET_VARIABLE([$1])
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])
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AC_DEFUN([gl_HEADER_STRINGS_H_DEFAULTS],
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[
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GNULIB_FFS=0; AC_SUBST([GNULIB_FFS])
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dnl Assume proper GNU behavior unless another module says otherwise.
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HAVE_FFS=1; AC_SUBST([HAVE_FFS])
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HAVE_STRCASECMP=1; AC_SUBST([HAVE_STRCASECMP])
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HAVE_DECL_STRNCASECMP=1; AC_SUBST([HAVE_DECL_STRNCASECMP])
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])
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