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These files have been created by running ./build-aux/bootstrap with Gnulib as at commit 99ce3a004a2974c71f510f5df5bc6be7e2811d30 (with a date stamp of Tue Jan 2 09:19:44 2024 -0800), Autoconf 2.71, Automake 1.16.5, Gettext 0.21 and pkgconf 1.8.1.
71 lines
2.4 KiB
Plaintext
71 lines
2.4 KiB
Plaintext
# iconv_h.m4 serial 16
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dnl Copyright (C) 2007-2024 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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AC_DEFUN_ONCE([gl_ICONV_H],
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[
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AC_REQUIRE([gl_ICONV_H_DEFAULTS])
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dnl Execute this unconditionally, because GL_GENERATE_ICONV_H may be set to
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dnl true by other modules, after this code is executed.
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gl_CHECK_NEXT_HEADERS([iconv.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, and which is not
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dnl guaranteed by C89.
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gl_WARN_ON_USE_PREPARE([[#include <iconv.h>
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]], [iconv iconv_open])
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AC_REQUIRE([AC_C_RESTRICT])
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])
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dnl Unconditionally enables the replacement of <iconv.h>.
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AC_DEFUN([gl_REPLACE_ICONV_H],
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[
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gl_ICONV_H_REQUIRE_DEFAULTS
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GL_GENERATE_ICONV_H=true
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])
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# gl_ICONV_MODULE_INDICATOR([modulename])
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# sets the shell variable that indicates the presence of the given module
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# to a C preprocessor expression that will evaluate to 1.
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# This macro invocation must not occur in macros that are AC_REQUIREd.
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AC_DEFUN([gl_ICONV_MODULE_INDICATOR],
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[
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dnl Ensure to expand the default settings once only.
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gl_ICONV_H_REQUIRE_DEFAULTS
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gl_MODULE_INDICATOR_SET_VARIABLE([$1])
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])
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# Initializes the default values for AC_SUBSTed shell variables.
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# This macro must not be AC_REQUIREd. It must only be invoked, and only
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# outside of macros or in macros that are not AC_REQUIREd.
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AC_DEFUN([gl_ICONV_H_REQUIRE_DEFAULTS],
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[
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m4_defun(GL_MODULE_INDICATOR_PREFIX[_ICONV_H_MODULE_INDICATOR_DEFAULTS], [
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ICONV])
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])
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m4_require(GL_MODULE_INDICATOR_PREFIX[_ICONV_H_MODULE_INDICATOR_DEFAULTS])
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AC_REQUIRE([gl_ICONV_H_DEFAULTS])
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])
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AC_DEFUN([gl_ICONV_H_DEFAULTS],
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[
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m4_ifdef([gl_ANSI_CXX], [AC_REQUIRE([gl_ANSI_CXX])])
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dnl Assume proper GNU behavior unless another module says otherwise.
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ICONV_CONST=; AC_SUBST([ICONV_CONST])
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REPLACE_ICONV=0; AC_SUBST([REPLACE_ICONV])
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REPLACE_ICONV_OPEN=0; AC_SUBST([REPLACE_ICONV_OPEN])
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REPLACE_ICONV_UTF=0; AC_SUBST([REPLACE_ICONV_UTF])
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GL_GENERATE_ICONV_H=false
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m4_ifdef([gl_POSIXCHECK],
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[GL_GENERATE_ICONV_H=true],
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[if m4_ifdef([gl_ANSI_CXX], [test "$CXX" != no], [false]); then
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dnl Override <fnmatch.h> always, to support the C++ GNULIB_NAMESPACE.
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GL_GENERATE_ICONV_H=true
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fi
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])
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])
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