mirror of
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bd4255680d
They're not just used, or supposed to be just used, for library-related arguments, so they deserve to have their own separate file.
387 lines
11 KiB
Plaintext
387 lines
11 KiB
Plaintext
dnl
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dnl virt-lib.m4: Helper macros for checking for libraries
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dnl
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dnl Copyright (C) 2012-2014 Red Hat, Inc.
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dnl
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dnl This library is free software; you can redistribute it and/or
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dnl modify it under the terms of the GNU Lesser General Public
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dnl License as published by the Free Software Foundation; either
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dnl version 2.1 of the License, or (at your option) any later version.
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dnl
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dnl This library is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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dnl Lesser General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU Lesser General Public
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dnl License along with this library. If not, see
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dnl <http://www.gnu.org/licenses/>.
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dnl
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dnl Probe for existence of libXXXX and set WITH_XXX
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dnl config header var, WITH_XXXX make conditional and
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dnl with_XXX configure shell var.
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dnl
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dnl LIBVIRT_CHECK_LIB([CHECK_NAME], [LIBRARY_NAME],
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dnl [FUNCTION_NAME], [HEADER_NAME],
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dnl [FAIL_ACTION])
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dnl
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dnl CHECK_NAME: Suffix/prefix used for variables / flags, in uppercase.
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dnl Used to set
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dnl config.h: WITH_XXX macro
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dnl Makefile: WITH_XXX conditional
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dnl Makefile: XXX_CFLAGS, XXX_LIBS variables
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dnl configure: --with-xxx argument
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dnl configure: with_xxx variable
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dnl
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dnl LIBRARY_NAME: base name of library to check for eg libXXX.so
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dnl FUNCTION_NAME: function to check for in libXXX.so
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dnl HEADER_NAME: header file to check for
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dnl FAIL_ACTION: overrides the default fail action
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dnl
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dnl
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dnl e.g.
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dnl
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dnl LIBVIRT_CHECK_LIB([SELINUX], [selinux],
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dnl [getfilecon], [selinux/selinux.h])
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dnl LIBVIRT_CHECK_LIB([SANLOCK], [sanlock_client],
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dnl [sanlock_init], [sanlock.h])
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dnl LIBVIRT_CHECK_LIB([LIBATTR], [attr],
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dnl [getxattr], [attr/attr.h])
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dnl
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AC_DEFUN([LIBVIRT_CHECK_LIB],[
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m4_pushdef([check_name], [$1])
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m4_pushdef([library_name], [$2])
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m4_pushdef([function_name], [$3])
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m4_pushdef([header_name], [$4])
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m4_pushdef([fail_action], [$5])
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m4_pushdef([check_name_lc], m4_tolower(check_name))
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m4_pushdef([config_var], [WITH_]check_name)
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m4_pushdef([make_var], [WITH_]check_name)
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m4_pushdef([cflags_var], check_name[_CFLAGS])
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m4_pushdef([libs_var], check_name[_LIBS])
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m4_pushdef([with_var], [with_]check_name_lc)
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old_LIBS=$LIBS
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old_CFLAGS=$CFLAGS
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cflags_var=
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libs_var=
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fail=0
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if test "x$with_var" != "xno" ; then
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if test "x$with_var" != "xyes" && test "x$with_var" != "xcheck" ; then
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cflags_var="-I$with_var/include"
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libs_var="-L$with_var/lib"
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fi
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CFLAGS="$CFLAGS $cflags_var"
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LIBS="$LIBS $libs_var"
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AC_CHECK_LIB(library_name, function_name, [],[
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if test "x$with_var" != "xcheck"; then
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fail=1
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fi
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with_var=no
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])
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if test "$fail" = "0" && test "x$with_var" != "xno" ; then
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AC_CHECK_HEADER(header_name, [
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with_var=yes
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],[
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if test "x$with_var" != "xcheck"; then
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fail=1
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fi
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with_var=no
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])
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fi
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fi
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LIBS=$old_LIBS
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CFLAGS=$old_CFLAGS
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if test $fail = 1; then
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m4_default(fail_action,
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[AC_MSG_ERROR([You must install the lib]library_name[ library & headers to compile libvirt])])
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else
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if test "x$with_var" = "xyes" ; then
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if test "x$libs_var" = 'x' ; then
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libs_var="-l[]library_name"
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else
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libs_var="$libs_var -l[]library_name"
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fi
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AC_DEFINE_UNQUOTED(config_var, 1, [whether lib]library_name[ is available])
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fi
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AM_CONDITIONAL(make_var, [test "x$with_var" = "xyes"])
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AC_SUBST(cflags_var)
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AC_SUBST(libs_var)
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fi
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m4_popdef([with_var])
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m4_popdef([libs_var])
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m4_popdef([cflags_var])
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m4_popdef([make_var])
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m4_popdef([config_var])
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m4_popdef([check_name_lc])
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m4_popdef([fail_action])
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m4_popdef([header_name])
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m4_popdef([function_name])
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m4_popdef([library_name])
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m4_popdef([check_name])
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])
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dnl Probe for existence of libXXXX and set WITH_XXX
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dnl config header var, WITH_XXXX make conditional and
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dnl with_XXX configure shell var.
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dnl
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dnl LIBVIRT_CHECK_LIB_ALT([CHECK_NAME], [LIBRARY_NAME],
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dnl [FUNCTION_NAME], [HEADER_NAME],
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dnl [CHECK_NAME_ALT, [LIBRARY_NAME_ALT],
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dnl [FUNCTION_NAME_ALT], [HEADER_NAME_ALT],
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dnl [FAIL_ACTION])
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dnl
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dnl CHECK_NAME: Suffix/prefix used for variables / flags, in uppercase.
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dnl Used to set
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dnl config.h: WITH_XXX macro
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dnl Makefile: WITH_XXX conditional
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dnl Makefile: XXX_CFLAGS, XXX_LIBS variables
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dnl configure: --with-xxx argument
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dnl configure: with_xxx variable
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dnl
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dnl LIBRARY_NAME: base name of library to check for eg libXXX.so
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dnl FUNCTION_NAME: function to check for in libXXX.so
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dnl HEADER_NAME: header file to check for
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dnl
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dnl CHECK_NAME_ALT: Suffix/prefix used to set additional
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dnl variables if alternative check succeeds
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dnl config.h: WITH_XXX macro
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dnl Makefile: WITH_XXX conditional
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dnl NB all vars for CHECK_NAME are also set
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dnl LIBRARY_NAME_ALT: alternative library name to check for
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dnl FUNCTION_NAME_ALT: alternative function name to check for
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dnl HEADER_NAME_ALT: alternative header file to check for
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dnl FAIL_ACTION: overrides the default fail action
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dnl
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dnl e.g.
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dnl
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dnl LIBVIRT_CHECK_LIB([YAJL], [yajl],
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dnl [yajl_parse_complete], [yajl/yajl_common.h],
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dnl [YAJL2], [yajl],
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dnl [yajl_tree_parse], [yajl/yajl_common.h])
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dnl
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AC_DEFUN([LIBVIRT_CHECK_LIB_ALT],[
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m4_pushdef([check_name], [$1])
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m4_pushdef([library_name], [$2])
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m4_pushdef([function_name], [$3])
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m4_pushdef([header_name], [$4])
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m4_pushdef([check_name_alt], [$5])
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m4_pushdef([library_name_alt], [$6])
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m4_pushdef([function_name_alt], [$7])
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m4_pushdef([header_name_alt], [$8])
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m4_pushdef([fail_action], [$9])
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m4_pushdef([check_name_lc], m4_tolower(check_name))
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m4_pushdef([config_var], [WITH_]check_name)
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m4_pushdef([make_var], [WITH_]check_name)
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m4_pushdef([cflags_var], check_name[_CFLAGS])
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m4_pushdef([libs_var], check_name[_LIBS])
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m4_pushdef([with_var], [with_]check_name_lc)
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m4_pushdef([config_var_alt], [WITH_]check_name_alt)
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m4_pushdef([make_var_alt], [WITH_]check_name_alt)
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old_LIBS=$LIBS
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old_CFLAGS=$CFLAGS
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cflags_var=
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libs_var=
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fail=0
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alt=0
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if test "x$with_var" != "xno" ; then
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if test "x$with_var" != "xyes" && test "x$with_var" != "xcheck" ; then
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cflags_var="-I$with_var/include"
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libs_var="-L$with_var/lib"
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fi
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CFLAGS="$CFLAGS $cflags_var"
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LIBS="$LIBS $libs_var"
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AC_CHECK_LIB(library_name, function_name, [],[
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AC_CHECK_LIB(library_name_alt, function_name_alt, [
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alt=1
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],[
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if test "x$with_var" != "xcheck"; then
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fail=1
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fi
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with_var=no
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])
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])
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if test "$fail" = "0" && test "x$with_var" != "xno" ; then
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AC_CHECK_HEADER(header_name, [
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with_var=yes
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],[
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AC_CHECK_HEADER(header_name_alt, [
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with_var=yes
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],[
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if test "x$with_var" != "xcheck"; then
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fail=1
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fi
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with_var=no
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])
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])
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fi
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fi
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LIBS=$old_LIBS
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CFLAGS=$old_CFLAGS
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if test $fail = 1; then
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m4_default(fail_action,
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[AC_MSG_ERROR([You must install the lib]library_name[ library & headers to compile libvirt])])
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else
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if test "x$with_var" = "xyes" ; then
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if test "x$libs_var" = 'x' ; then
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libs_var="-l[]library_name"
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else
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libs_var="$libs_var -l[]library_name"
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fi
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AC_DEFINE_UNQUOTED(config_var, 1, [whether lib]library_name[ is available])
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if test "$alt" = "1" ; then
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AC_DEFINE_UNQUOTED(config_var_alt, 1, [whether lib]library_name[ is available])
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fi
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fi
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AM_CONDITIONAL(make_var, [test "x$with_var" = "xyes"])
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AM_CONDITIONAL(make_var_alt, [test "x$with_var" = "xyes" && test "$alt" = "1"])
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AC_SUBST(cflags_var)
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AC_SUBST(libs_var)
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fi
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m4_popdef([make_var_alt])
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m4_popdef([config_var_alt])
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m4_popdef([with_var])
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m4_popdef([libs_var])
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m4_popdef([cflags_var])
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m4_popdef([make_var])
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m4_popdef([config_var])
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m4_popdef([check_name_lc])
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m4_popdef([fail_action])
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m4_popdef([header_name_alt])
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m4_popdef([function_name_alt])
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m4_popdef([library_name_alt])
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m4_popdef([header_name])
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m4_popdef([function_name])
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m4_popdef([library_name])
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m4_popdef([check_name])
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])
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dnl
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dnl Probe for existence of libXXXX and set WITH_XXX
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dnl config header var, WITH_XXXX make conditional and
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dnl with_XXX configure shell var.
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dnl
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dnl LIBVIRT_CHECK_PKG([CHECK_NAME], [PC_NAME], [PC_VERSION],
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dnl [FAIL_ACTION])
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dnl
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dnl CHECK_NAME: Suffix/prefix used for variables / flags, in uppercase.
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dnl Used to set
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dnl config.h: WITH_XXX macro
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dnl Makefile: WITH_XXX conditional
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dnl Makefile: XXX_CFLAGS, XXX_LIBS variables
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dnl configure: --with-xxx argument
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dnl configure: with_xxx variable
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dnl PC_NAME: Name of the pkg-config module
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dnl PC_VERSION: Version of the pkg-config module
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dnl FAIL_ACTION: overrides the default fail action
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dnl
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dnl eg
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dnl
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dnl LIBVIRT_CHECK_PKG([NETCF], [netcf], [0.1.4])
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dnl
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AC_DEFUN([LIBVIRT_CHECK_PKG],[
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m4_pushdef([check_name], [$1])
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m4_pushdef([pc_name], [$2])
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m4_pushdef([pc_version], [$3])
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m4_pushdef([fail_action], [$4])
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m4_pushdef([check_name_lc], m4_tolower(check_name))
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m4_pushdef([config_var], [WITH_]check_name)
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m4_pushdef([make_var], [WITH_]check_name)
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m4_pushdef([cflags_var], check_name[_CFLAGS])
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m4_pushdef([libs_var], check_name[_LIBS])
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m4_pushdef([with_var], [with_]check_name_lc)
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fail=0
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if test "x$with_var" != "xno" ; then
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PKG_CHECK_MODULES(check_name, pc_name[ >= ]pc_version, [
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with_var=yes
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],[
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if test "x$with_var" != "xcheck"; then
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fail=1
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fi
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with_var=no
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])
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fi
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if test $fail = 1; then
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m4_default(fail_action,
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[AC_MSG_ERROR([You must install the ]pc_name[ >= ]pc_version[ pkg-config module to compile libvirt])])
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fi
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if test "x$with_var" = "xyes" ; then
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AC_DEFINE_UNQUOTED(config_var, 1, [whether ]pc_name[ >= ]pc_version[ is available])
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fi
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AM_CONDITIONAL(make_var, [test "x$with_var" = "xyes"])
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m4_popdef([with_var])
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m4_popdef([libs_var])
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m4_popdef([cflags_var])
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m4_popdef([make_var])
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m4_popdef([config_var])
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m4_popdef([check_name_lc])
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m4_popdef([fail_action])
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m4_popdef([pc_version])
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m4_popdef([pc_name])
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m4_popdef([check_name])
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])
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dnl
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dnl To be used after a call to LIBVIRT_CHECK_LIB,
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dnl LIBVIRT_CHECK_LIB_ALT or LIBVIRT_CHECK_PKG
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dnl to print the result status
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dnl
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dnl LIBVIRT_RESULT_LIB([CHECK_NAME])
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dnl
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dnl CHECK_NAME: Suffix/prefix used for variables / flags, in uppercase.
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dnl
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dnl LIBVIRT_RESULT_LIB([SELINUX])
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dnl
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AC_DEFUN([LIBVIRT_RESULT_LIB],[
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m4_pushdef([check_name], [$1])
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m4_pushdef([check_name_lc], m4_tolower(check_name))
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m4_pushdef([cflags_var], check_name[_CFLAGS])
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m4_pushdef([libs_var], check_name[_LIBS])
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m4_pushdef([with_var], [with_]check_name_lc)
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LIBVIRT_RESULT(check_name_lc, [$with_var], [CFLAGS='$cflags_var' LIBS='$libs_var'])
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m4_popdef([with_var])
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m4_popdef([libs_var])
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m4_popdef([cflags_var])
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m4_popdef([check_name_lc])
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m4_popdef([check_name])
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])
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