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b7d75fb5f6
(gl_USE_SYSTEM_EXTENSIONS): Call AC_BEFORE first, to avoid spurious warnings like "AC_RUN_IFELSE was called before gl_USE_SYSTEM_EXTENSIONS" from autoreconf.
30 lines
960 B
Plaintext
30 lines
960 B
Plaintext
# Enable extensions on systems that normally disable them.
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# Copyright (C) 2003 Free Software Foundation, Inc.
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# This file is free software, distributed under the terms of the GNU
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# General Public License. As a special exception to the GNU General
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# Public License, this file may be distributed as part of a program
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# that contains a configuration script generated by Autoconf, under
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# the same distribution terms as the rest of that program.
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# gl_USE_SYSTEM_EXTENSIONS
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# ------------------------
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# Enable extensions on systems that normally disable them,
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# typically due to standards-conformance issues.
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AC_DEFUN([gl_USE_SYSTEM_EXTENSIONS], [
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AC_BEFORE([$0], [AC_COMPILE_IFELSE])
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AC_BEFORE([$0], [AC_RUN_IFELSE])
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AC_REQUIRE([AC_GNU_SOURCE])
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AC_REQUIRE([AC_AIX])
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AC_REQUIRE([AC_MINIX])
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AH_VERBATIM([__EXTENSIONS__],
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[/* Enable extensions on Solaris. */
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#ifndef __EXTENSIONS__
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# undef __EXTENSIONS__
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#endif])
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AC_DEFINE([__EXTENSIONS__])
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])
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