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67 lines
2.5 KiB
Plaintext
Executable File
67 lines
2.5 KiB
Plaintext
Executable File
# ===============================================================================
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# https://www.gnu.org/software/autoconf-archive/ax_cxx_function_try_blocks.html
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# ===============================================================================
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#
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# SYNOPSIS
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#
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# AX_CXX_FUNCTION_TRY_BLOCKS
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#
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# DESCRIPTION
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#
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# If the C++ compiler supports function try blocks, define
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# `HAVE_FUNCTION_TRY_BLOCKS'.
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#
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# LICENSE
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#
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# Copyright (c) 2008 Matthew D. Langston
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 2 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# 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 along
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# with this program. If not, see <https://www.gnu.org/licenses/>.
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#
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# As a special exception, the respective Autoconf Macro's copyright owner
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# gives unlimited permission to copy, distribute and modify the configure
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# scripts that are the output of Autoconf when processing the Macro. You
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# need not follow the terms of the GNU General Public License when using
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# or distributing such scripts, even though portions of the text of the
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# Macro appear in them. The GNU General Public License (GPL) does govern
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# all other use of the material that constitutes the Autoconf Macro.
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#
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# This special exception to the GPL applies to versions of the Autoconf
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# Macro released by the Autoconf Archive. When you make and distribute a
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# modified version of the Autoconf Macro, you may extend this special
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# exception to the GPL to apply to your modified version as well.
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#serial 5
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AU_ALIAS([MDL_CXX_FUNCTION_TRY_BLOCKS], [AX_CXX_FUNCTION_TRY_BLOCKS])
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AC_DEFUN([AX_CXX_FUNCTION_TRY_BLOCKS],
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[
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AC_REQUIRE([AC_PROG_CXX])
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changequote(,)dnl
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AC_MSG_CHECKING(whether ${CXX} supports function try blocks)
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changequote([,])dnl
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AC_CACHE_VAL(ax_cv_have_function_try_blocks,
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[
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_TRY_COMPILE([void foo() try{} catch( ... ){}],
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[foo();],
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ax_cv_have_function_try_blocks=yes,
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ax_cv_have_function_try_blocks=no)
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AC_LANG_RESTORE
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])
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AC_MSG_RESULT($ax_cv_have_function_try_blocks)
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if test "$ax_cv_have_function_try_blocks" = yes; then
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AC_DEFINE(HAVE_FUNCTION_TRY_BLOCKS)
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fi])
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