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56 lines
1.9 KiB
Plaintext
56 lines
1.9 KiB
Plaintext
# iconv_h.m4 serial 11
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dnl Copyright (C) 2007-2019 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([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 ICONV_H may be set by other
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dnl 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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])
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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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AC_REQUIRE([gl_ICONV_H_DEFAULTS])
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ICONV_H='iconv.h'
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AM_CONDITIONAL([GL_GENERATE_ICONV_H], [test -n "$ICONV_H"])
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])
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AC_DEFUN([gl_ICONV_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_ICONV_H_DEFAULTS])
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gl_MODULE_INDICATOR_SET_VARIABLE([$1])
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])
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AC_DEFUN([gl_ICONV_H_DEFAULTS],
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[
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m4_ifdef([gl_ANSI_CXX], [AC_REQUIRE([gl_ANSI_CXX])])
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GNULIB_ICONV=0; AC_SUBST([GNULIB_ICONV])
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dnl Assume proper GNU behavior unless another module says otherwise.
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ICONV_CONST=; AC_SUBST([ICONV_CONST])
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REPLACE_ICONV=0; AC_SUBST([REPLACE_ICONV])
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REPLACE_ICONV_OPEN=0; AC_SUBST([REPLACE_ICONV_OPEN])
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REPLACE_ICONV_UTF=0; AC_SUBST([REPLACE_ICONV_UTF])
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ICONV_H=''; AC_SUBST([ICONV_H])
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m4_ifdef([gl_POSIXCHECK],
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[ICONV_H='iconv.h'],
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[if m4_ifdef([gl_ANSI_CXX], [test "$CXX" != no], [false]); then
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dnl Override <fnmatch.h> always, to support the C++ GNULIB_NAMESPACE.
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ICONV_H='iconv.h'
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fi
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])
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AM_CONDITIONAL([GL_GENERATE_ICONV_H], [test -n "$ICONV_H"])
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])
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