ack ----- Original Message ----- > Signed-off-by: Jeremy White <jwhite@xxxxxxxxxxxxxxx> > --- > m4/ax_append_link_flags.m4 | 63 +++++++++++++++++++++++++++++++++++++++ > m4/ax_check_link_flag.m4 | 74 > ++++++++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 137 insertions(+) > create mode 100644 m4/ax_append_link_flags.m4 > create mode 100644 m4/ax_check_link_flag.m4 > > diff --git a/m4/ax_append_link_flags.m4 b/m4/ax_append_link_flags.m4 > new file mode 100644 > index 0000000..c73ddaf > --- /dev/null > +++ b/m4/ax_append_link_flags.m4 > @@ -0,0 +1,63 @@ > +# > =========================================================================== > +# http://www.gnu.org/software/autoconf-archive/ax_append_link_flags.html > +# > =========================================================================== > +# > +# SYNOPSIS > +# > +# AX_APPEND_LINK_FLAGS([FLAG1 FLAG2 ...], [FLAGS-VARIABLE], [EXTRA-FLAGS]) > +# > +# DESCRIPTION > +# > +# For every FLAG1, FLAG2 it is checked whether the linker works with the > +# flag. If it does, the flag is added FLAGS-VARIABLE > +# > +# If FLAGS-VARIABLE is not specified, the linker's flags (LDFLAGS) is > +# used. During the check the flag is always added to the linker's flags. > +# > +# If EXTRA-FLAGS is defined, it is added to the linker's default flags > +# when the check is done. The check is thus made with the flags: "LDFLAGS > +# EXTRA-FLAGS FLAG". This can for example be used to force the linker to > +# issue an error when a bad flag is given. > +# > +# NOTE: This macro depends on the AX_APPEND_FLAG and AX_CHECK_LINK_FLAG. > +# Please keep this macro in sync with AX_APPEND_COMPILE_FLAGS. > +# > +# LICENSE > +# > +# Copyright (c) 2011 Maarten Bosmans <mkbosmans@xxxxxxxxx> > +# > +# 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. > + > +#serial 4 > + > +AC_DEFUN([AX_APPEND_LINK_FLAGS], > +[AX_REQUIRE_DEFINED([AX_CHECK_LINK_FLAG]) > +AX_REQUIRE_DEFINED([AX_APPEND_FLAG]) > +for flag in $1; do > + AX_CHECK_LINK_FLAG([$flag], [AX_APPEND_FLAG([$flag], [m4_default([$2], > [LDFLAGS])])], [], [$3]) > +done > +])dnl AX_APPEND_LINK_FLAGS > diff --git a/m4/ax_check_link_flag.m4 b/m4/ax_check_link_flag.m4 > new file mode 100644 > index 0000000..eb01a6c > --- /dev/null > +++ b/m4/ax_check_link_flag.m4 > @@ -0,0 +1,74 @@ > +# > =========================================================================== > +# http://www.gnu.org/software/autoconf-archive/ax_check_link_flag.html > +# > =========================================================================== > +# > +# SYNOPSIS > +# > +# AX_CHECK_LINK_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], > [EXTRA-FLAGS], [INPUT]) > +# > +# DESCRIPTION > +# > +# Check whether the given FLAG works with the linker or gives an error. > +# (Warnings, however, are ignored) > +# > +# ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on > +# success/failure. > +# > +# If EXTRA-FLAGS is defined, it is added to the linker's default flags > +# when the check is done. The check is thus made with the flags: "LDFLAGS > +# 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. > +# > +# LICENSE > +# > +# Copyright (c) 2008 Guido U. Draheim <guidod@xxxxxx> > +# Copyright (c) 2011 Maarten Bosmans <mkbosmans@xxxxxxxxx> > +# > +# 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. > + > +#serial 4 > + > +AC_DEFUN([AX_CHECK_LINK_FLAG], > +[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([m4_default([$5],[AC_LANG_PROGRAM()])], > + [AS_VAR_SET(CACHEVAR,[yes])], > + [AS_VAR_SET(CACHEVAR,[no])]) > + LDFLAGS=$ax_check_save_flags]) > +AS_VAR_IF(CACHEVAR,yes, > + [m4_default([$2], :)], > + [m4_default([$3], :)]) > +AS_VAR_POPDEF([CACHEVAR])dnl > +])dnl AX_CHECK_LINK_FLAGS > -- > 2.1.4 > > _______________________________________________ > Spice-devel mailing list > Spice-devel@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/spice-devel > _______________________________________________ Spice-devel mailing list Spice-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/spice-devel