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