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67 lines
2.8 KiB
Plaintext
Executable File
67 lines
2.8 KiB
Plaintext
Executable File
# ================================================================================
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# https://www.gnu.org/software/autoconf-archive/ax_not_enable_frame_pointer.html
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# ================================================================================
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#
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# SYNOPSIS
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#
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# AX_NOT_ENABLE_FRAME_POINTER ([shellvar])
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#
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# DESCRIPTION
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#
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# add --enable-frame-pointer option, the default will add the gcc
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# -fomit-frame-pointer option to the shellvar (per default CFLAGS) and
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# remove the " -g " debuginfo option from it. In other words, the default
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# is "--disable-frame-pointer"
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#
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# LICENSE
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#
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# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
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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 3 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 9
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AC_DEFUN([AX_NOT_ENABLE_FRAME_POINTER],[dnl
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AS_VAR_PUSHDEF([VAR],[enable_frame_pointer])dnl
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AC_MSG_CHECKING([m4_ifval($1,$1,CFLAGS) frame-pointer])
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AC_ARG_ENABLE([frame-pointer], AS_HELP_STRING(
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[--enable-frame-pointer],[enable callframe generation for debugging]))
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case ".$VAR" in
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.|.no|.no,*) test ".$VAR" = "." && VAR="no"
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m4_ifval($1,$1,CFLAGS)=`echo dnl
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" $m4_ifval($1,$1,CFLAGS) " | sed -e 's/ -g / /'`
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if test ".$GCC" = ".yes" ; then
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m4_ifval($1,$1,CFLAGS)="$m4_ifval($1,$1,CFLAGS) -fomit-frame-pointer"
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AC_MSG_RESULT([$VAR, -fomit-frame-pointer added])
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else
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AC_MSG_RESULT([$VAR, -g removed])
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fi ;;
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*) AC_MSG_RESULT([$VAR, kept]) ;;
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esac
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AS_VAR_POPDEF([VAR])dnl
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])
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