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## $Id$ |
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# |
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# Copyright (C) 2021 Peter Johansson |
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# |
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# This file is part of the yat library, https://dev.thep.lu.se/yat |
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# |
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# The yat library is free software; you can redistribute it and/or |
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# modify it under the terms of the GNU General Public License as |
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# published by the Free Software Foundation; either version 3 of the |
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# License, or (at your option) any later version. |
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# |
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# The yat library is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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# General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with yat. If not, see <https://www.gnu.org/licenses/>. |
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# |
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|
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# |
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# serial 1 (yat 0.20) |
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# |
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|
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# YAT_CHECK_FUNC(function, [prologue], [body], [action-if-found], |
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# [action-if-not-found]) |
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# ========================================================== |
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# Wrapper around AC_CACHE_CHECK and AC_COMPILE_IFELSE. Try to compile |
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# program with prologue 'prologue' and body 'body'. If successful, run |
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# shell commands action-if-found, otherwise |
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# action-if-not-found. Result is cached in variable |
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# $yat_cv_func_<function> |
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AC_DEFUN([YAT_CHECK_FUNC], |
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[ |
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AS_VAR_PUSHDEF([yat_CACHE], [AS_TR_SH([yat_cv_func_$1])])dnl |
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AC_CACHE_CHECK([if $CXX supports $1], [yat_CACHE], [ |
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([$2], [$3])], |
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[yat_CACHE=yes], |
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[yat_CACHE=no]) |
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]) |
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AS_VAR_IF([yat_CACHE], [yes], [$4], [$5]) |
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AS_VAR_POPDEF([yat_CACHE])dnl |
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]) |