41 lines
1.2 KiB
Text
41 lines
1.2 KiB
Text
# obstack-printf.m4 serial 4
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dnl Copyright (C) 2008-2012 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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dnl From Eric Blake.
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dnl Test whether obstack_printf() exists. For now, we assume that
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dnl obstack_vprintf behaves identically, so we only test for one.
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AC_DEFUN([gl_FUNC_OBSTACK_PRINTF],
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[
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dnl Persuade glibc <stdio.h> to declare obstack_printf(), obstack_vprintf().
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AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
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AC_REQUIRE([gl_STDIO_H_DEFAULTS])
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AC_CHECK_FUNCS_ONCE([obstack_printf])
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if test $ac_cv_func_obstack_printf = no ; then
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gl_REPLACE_OBSTACK_PRINTF
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fi
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gl_DECL_OBSTACK_PRINTF
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])
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AC_DEFUN([gl_REPLACE_OBSTACK_PRINTF],
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[
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AC_REQUIRE([gl_STDIO_H_DEFAULTS])
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if test $ac_cv_func_obstack_printf = yes; then
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REPLACE_OBSTACK_PRINTF=1
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fi
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])
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dnl Ensure obstack_printf() and obstack_vprintf() are declared
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dnl (whether or not they are being replaced).
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AC_DEFUN([gl_DECL_OBSTACK_PRINTF],
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[
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AC_CHECK_DECLS_ONCE([obstack_printf])
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if test $ac_cv_have_decl_obstack_printf = no; then
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HAVE_DECL_OBSTACK_PRINTF=0
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fi
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])
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