diff options
Diffstat (limited to 'vpp/vpp-api/java/m4/ax_java_check_class.m4')
| -rw-r--r-- | vpp/vpp-api/java/m4/ax_java_check_class.m4 | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/vpp/vpp-api/java/m4/ax_java_check_class.m4 b/vpp/vpp-api/java/m4/ax_java_check_class.m4 new file mode 100644 index 00000000..917638ae --- /dev/null +++ b/vpp/vpp-api/java/m4/ax_java_check_class.m4 @@ -0,0 +1,85 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_java_check_class.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_JAVA_CHECK_CLASS(<class>,<action-if-found>,<action-if-not-found>) +# +# DESCRIPTION +# +# Test if a Java class is available. Based on AX_PROG_JAVAC_WORKS. This +# version uses a cache variable which is both compiler, options and +# classpath dependent (so if you switch from javac to gcj it correctly +# notices and redoes the test). +# +# The macro tries to compile a minimal program importing <class>. Some +# newer compilers moan about the failure to use this but fail or produce a +# class file anyway. All moaing is sunk to /dev/null since I only wanted +# to know if the class could be imported. This is a recommended followup +# to AX_CHECK_JAVA_PLUGIN with classpath appropriately adjusted. +# +# LICENSE +# +# Copyright (c) 2008 Duncan Simpson <dps@simpson.demon.co.uk> +# +# 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 2 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 9 + +AU_ALIAS([DPS_JAVA_CHECK_CLASS], [AX_JAVA_CHECK_CLASS]) +AC_DEFUN([AX_JAVA_CHECK_CLASS],[ +m4_define([cache_val],[m4_translit(ax_cv_have_java_class_$1, " ." ,"__")]) +if test "x$CLASSPATH" != "x"; then +xtra=" with classpath ${CLASSPATH}" +xopts=`echo ${CLASSPATH} | ${SED} 's/^ *://'` +xopts="-classpath $xopts" +else xtra=""; xopts=""; fi +cache_var="cache_val"AS_TR_SH([_Jc_${JAVAC}_Cp_${CLASSPATH}]) +AC_CACHE_CHECK([if the $1 class is available$xtra], [$cache_var], [ +JAVA_TEST=Test.java +CLASS_TEST=Test.class +cat << \EOF > $JAVA_TEST +/* [#]xline __oline__ "configure" */ +import $1; +public class Test { +} +EOF +if AC_TRY_COMMAND($JAVAC $JAVACFLAGS $xopts $JAVA_TEST) >/dev/null 2>&1; then + eval "${cache_var}=yes" +else + eval "${cache_var}=no" + echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD + cat $JAVA_TEST >&AS_MESSAGE_LOG_FD +fi +rm -f $JAVA_TEST $CLASS_TEST +]) +if eval 'test "x$'${cache_var}'" = "xyes"'; then +$2 +true; else +$3 +false; fi]) |