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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,10 +1,10 @@ | ||
| # =========================================================================== | ||
| # http://www.gnu.org/software/autoconf-archive/ax_check_compile_flag.html | ||
| # https://www.gnu.org/software/autoconf-archive/ax_check_compile_flag.html | ||
| # =========================================================================== | ||
| # | ||
| # SYNOPSIS | ||
| # | ||
| # AX_CHECK_COMPILE_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS]) | ||
| # AX_CHECK_COMPILE_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT]) | ||
| # | ||
| # DESCRIPTION | ||
| # | ||
|
|
@@ -19,6 +19,8 @@ | |
| # the flags: "CFLAGS EXTRA-FLAGS FLAG". This can for example be used to | ||
| # force the compiler to issue an error when a bad flag is given. | ||
| # | ||
| # INPUT gives an alternative input source to AC_COMPILE_IFELSE. | ||
| # | ||
| # NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this | ||
| # macro in sync with AX_CHECK_{PREPROC,LINK}_FLAG. | ||
| # | ||
|
|
@@ -27,46 +29,24 @@ | |
| # Copyright (c) 2008 Guido U. Draheim <[email protected]> | ||
| # Copyright (c) 2011 Maarten Bosmans <[email protected]> | ||
| # | ||
| # This program is free software: you can redistribute it and/or modify it | ||
| # under the terms of the GNU General Public License as published by the | ||
| # Free Software Foundation, either version 3 of the License, or (at your | ||
| # option) any later version. | ||
| # | ||
| # This program is distributed in the hope that it will be useful, but | ||
| # WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General | ||
| # Public License for more details. | ||
| # | ||
| # You should have received a copy of the GNU General Public License along | ||
| # with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| # | ||
| # As a special exception, the respective Autoconf Macro's copyright owner | ||
| # gives unlimited permission to copy, distribute and modify the configure | ||
| # scripts that are the output of Autoconf when processing the Macro. You | ||
| # need not follow the terms of the GNU General Public License when using | ||
| # or distributing such scripts, even though portions of the text of the | ||
| # Macro appear in them. The GNU General Public License (GPL) does govern | ||
| # all other use of the material that constitutes the Autoconf Macro. | ||
| # | ||
| # This special exception to the GPL applies to versions of the Autoconf | ||
| # Macro released by the Autoconf Archive. When you make and distribute a | ||
| # modified version of the Autoconf Macro, you may extend this special | ||
| # exception to the GPL to apply to your modified version as well. | ||
| # Copying and distribution of this file, with or without modification, are | ||
| # permitted in any medium without royalty provided the copyright notice | ||
| # and this notice are preserved. This file is offered as-is, without any | ||
| # warranty. | ||
|
|
||
| #serial 2 | ||
| #serial 6 | ||
|
|
||
| AC_DEFUN([AX_CHECK_COMPILE_FLAG], | ||
| [AC_PREREQ(2.59)dnl for _AC_LANG_PREFIX | ||
| [AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF | ||
| AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl | ||
| AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [ | ||
| ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS | ||
| _AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1" | ||
| AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], | ||
| [[char x[42U], fodder = 0;if (fodder > -1000 && fgets(x,1000,stdin)) puts(x)]])], | ||
| AC_COMPILE_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])], | ||
| [AS_VAR_SET(CACHEVAR,[yes])], | ||
| [AS_VAR_SET(CACHEVAR,[no])]) | ||
| _AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags]) | ||
| AS_IF([test x"AS_VAR_GET(CACHEVAR)" = xyes], | ||
| AS_VAR_IF(CACHEVAR,yes, | ||
| [m4_default([$2], :)], | ||
| [m4_default([$3], :)]) | ||
| AS_VAR_POPDEF([CACHEVAR])dnl | ||
|
|
||
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,10 +1,10 @@ | ||
| # =========================================================================== | ||
| # http://www.gnu.org/software/autoconf-archive/ax_check_link_flag.html | ||
| # https://www.gnu.org/software/autoconf-archive/ax_check_link_flag.html | ||
| # =========================================================================== | ||
| # | ||
| # SYNOPSIS | ||
| # | ||
| # AX_CHECK_LINK_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS]) | ||
| # AX_CHECK_LINK_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT]) | ||
| # | ||
| # DESCRIPTION | ||
| # | ||
|
|
@@ -19,6 +19,8 @@ | |
| # EXTRA-FLAGS FLAG". This can for example be used to force the linker to | ||
| # issue an error when a bad flag is given. | ||
| # | ||
| # INPUT gives an alternative input source to AC_LINK_IFELSE. | ||
| # | ||
| # NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this | ||
| # macro in sync with AX_CHECK_{PREPROC,COMPILE}_FLAG. | ||
| # | ||
|
|
@@ -27,44 +29,24 @@ | |
| # Copyright (c) 2008 Guido U. Draheim <[email protected]> | ||
| # Copyright (c) 2011 Maarten Bosmans <[email protected]> | ||
| # | ||
| # This program is free software: you can redistribute it and/or modify it | ||
| # under the terms of the GNU General Public License as published by the | ||
| # Free Software Foundation, either version 3 of the License, or (at your | ||
| # option) any later version. | ||
| # | ||
| # This program is distributed in the hope that it will be useful, but | ||
| # WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General | ||
| # Public License for more details. | ||
| # | ||
| # You should have received a copy of the GNU General Public License along | ||
| # with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| # | ||
| # As a special exception, the respective Autoconf Macro's copyright owner | ||
| # gives unlimited permission to copy, distribute and modify the configure | ||
| # scripts that are the output of Autoconf when processing the Macro. You | ||
| # need not follow the terms of the GNU General Public License when using | ||
| # or distributing such scripts, even though portions of the text of the | ||
| # Macro appear in them. The GNU General Public License (GPL) does govern | ||
| # all other use of the material that constitutes the Autoconf Macro. | ||
| # | ||
| # This special exception to the GPL applies to versions of the Autoconf | ||
| # Macro released by the Autoconf Archive. When you make and distribute a | ||
| # modified version of the Autoconf Macro, you may extend this special | ||
| # exception to the GPL to apply to your modified version as well. | ||
| # Copying and distribution of this file, with or without modification, are | ||
| # permitted in any medium without royalty provided the copyright notice | ||
| # and this notice are preserved. This file is offered as-is, without any | ||
| # warranty. | ||
|
|
||
| #serial 2 | ||
| #serial 6 | ||
|
|
||
| AC_DEFUN([AX_CHECK_LINK_FLAG], | ||
| [AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_ldflags_$4_$1])dnl | ||
| [AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF | ||
| AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_ldflags_$4_$1])dnl | ||
| AC_CACHE_CHECK([whether the linker accepts $1], CACHEVAR, [ | ||
| ax_check_save_flags=$LDFLAGS | ||
| LDFLAGS="$LDFLAGS $4 $1" | ||
| AC_LINK_IFELSE([AC_LANG_PROGRAM()], | ||
| AC_LINK_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])], | ||
| [AS_VAR_SET(CACHEVAR,[yes])], | ||
| [AS_VAR_SET(CACHEVAR,[no])]) | ||
| LDFLAGS=$ax_check_save_flags]) | ||
| AS_IF([test x"AS_VAR_GET(CACHEVAR)" = xyes], | ||
| AS_VAR_IF(CACHEVAR,yes, | ||
| [m4_default([$2], :)], | ||
| [m4_default([$3], :)]) | ||
| AS_VAR_POPDEF([CACHEVAR])dnl | ||
|
|
||
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