+# LICENSE
+#
+# The MIT License (MIT)
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+# Taken from the libxml2 repository
+#
+# Configure paths for LIBXML2
+# Mike Hommey 2004-06-19
+# use CPPFLAGS instead of CFLAGS
+# Toshio Kuratomi 2001-04-21
+# Adapted from:
+# Configure paths for GLIB
+# Owen Taylor 97-11-3
+
+dnl AM_PATH_XML2([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
+dnl Test for XML, and define XML_CPPFLAGS and XML_LIBS
+dnl
+AC_DEFUN([AM_PATH_XML2],[
+AC_ARG_WITH(xml-prefix,
+ [ --with-xml-prefix=PFX Prefix where libxml is installed (optional)],
+ xml_config_prefix="$withval", xml_config_prefix="")
+AC_ARG_WITH(xml-exec-prefix,
+ [ --with-xml-exec-prefix=PFX Exec prefix where libxml is installed (optional)],
+ xml_config_exec_prefix="$withval", xml_config_exec_prefix="")
+AC_ARG_ENABLE(xmltest,
+ [ --disable-xmltest Do not try to compile and run a test LIBXML program],,
+ enable_xmltest=yes)
+
+ if test x$xml_config_exec_prefix != x ; then
+ xml_config_args="$xml_config_args"
+ if test x${XML2_CONFIG+set} != xset ; then
+ XML2_CONFIG=$xml_config_exec_prefix/bin/xml2-config
+ fi
+ fi
+ if test x$xml_config_prefix != x ; then
+ xml_config_args="$xml_config_args --prefix=$xml_config_prefix"
+ if test x${XML2_CONFIG+set} != xset ; then
+ XML2_CONFIG=$xml_config_prefix/bin/xml2-config
+ fi
+ fi
+
+ AC_PATH_PROG(XML2_CONFIG, xml2-config, no)
+ min_xml_version=ifelse([$1], ,2.0.0,[$1])
+ AC_MSG_CHECKING(for libxml - version >= $min_xml_version)
+ no_xml=""
+ if test "$XML2_CONFIG" = "no" ; then
+ no_xml=yes
+ else
+ XML_CPPFLAGS=`$XML2_CONFIG $xml_config_args --cflags`
+ XML_LIBS=`$XML2_CONFIG $xml_config_args --libs`
+ xml_config_major_version=`$XML2_CONFIG $xml_config_args --version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+ xml_config_minor_version=`$XML2_CONFIG $xml_config_args --version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+ xml_config_micro_version=`$XML2_CONFIG $xml_config_args --version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+ if test "x$enable_xmltest" = "xyes" ; then
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ ac_save_LIBS="$LIBS"
+ CPPFLAGS="$CPPFLAGS $XML_CPPFLAGS"
+ LIBS="$XML_LIBS $LIBS"
+dnl
+dnl Now check if the installed libxml is sufficiently new.
+dnl (Also sanity checks the results of xml2-config to some extent)
+dnl
+ rm -f conf.xmltest
+ AC_TRY_RUN([
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <libxml/xmlversion.h>
+
+int
+main()
+{
+ int xml_major_version, xml_minor_version, xml_micro_version;
+ int major, minor, micro;
+ char *tmp_version;
+
+ system("touch conf.xmltest");
+
+ /* Capture xml2-config output via autoconf/configure variables */
+ /* HP/UX 9 (%@#!) writes to sscanf strings */
+ tmp_version = (char *)strdup("$min_xml_version");
+ if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
+ printf("%s, bad version string from xml2-config\n", "$min_xml_version");
+ exit(1);
+ }
+ free(tmp_version);
+
+ /* Capture the version information from the header files */
+ tmp_version = (char *)strdup(LIBXML_DOTTED_VERSION);
+ if (sscanf(tmp_version, "%d.%d.%d", &xml_major_version, &xml_minor_version, &xml_micro_version) != 3) {
+ printf("%s, bad version string from libxml includes\n", "LIBXML_DOTTED_VERSION");
+ exit(1);
+ }
+ free(tmp_version);
+
+ /* Compare xml2-config output to the libxml headers */
+ if ((xml_major_version != $xml_config_major_version) ||
+ (xml_minor_version != $xml_config_minor_version) ||
+ (xml_micro_version != $xml_config_micro_version))
+ {
+ printf("*** libxml header files (version %d.%d.%d) do not match\n",
+ xml_major_version, xml_minor_version, xml_micro_version);
+ printf("*** xml2-config (version %d.%d.%d)\n",
+ $xml_config_major_version, $xml_config_minor_version, $xml_config_micro_version);
+ return 1;
+ }
+/* Compare the headers to the library to make sure we match */
+ /* Less than ideal -- doesn't provide us with return value feedback,
+ * only exits if there's a serious mismatch between header and library.
+ */
+ LIBXML_TEST_VERSION;
+
+ /* Test that the library is greater than our minimum version */
+ if ((xml_major_version > major) ||
+ ((xml_major_version == major) && (xml_minor_version > minor)) ||
+ ((xml_major_version == major) && (xml_minor_version == minor) &&
+ (xml_micro_version >= micro)))
+ {
+ return 0;
+ }
+ else
+ {
+ printf("\n*** An old version of libxml (%d.%d.%d) was found.\n",
+ xml_major_version, xml_minor_version, xml_micro_version);
+ printf("*** You need a version of libxml newer than %d.%d.%d. The latest version of\n",
+ major, minor, micro);
+ printf("*** libxml is always available from ftp://ftp.xmlsoft.org.\n");
+ printf("***\n");
+ printf("*** If you have already installed a sufficiently new version, this error\n");
+ printf("*** probably means that the wrong copy of the xml2-config shell script is\n");
+ printf("*** being found. The easiest way to fix this is to remove the old version\n");
+ printf("*** of LIBXML, but you can also set the XML2_CONFIG environment to point to the\n");
+ printf("*** correct copy of xml2-config. (In this case, you will have to\n");
+ printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
+ printf("*** so that the correct libraries are found at run-time))\n");
+ }
+ return 1;
+}
+],, no_xml=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
+ CPPFLAGS="$ac_save_CPPFLAGS"
+ LIBS="$ac_save_LIBS"
+ fi
+ fi
+
+ if test "x$no_xml" = x ; then
+ AC_MSG_RESULT(yes (version $xml_config_major_version.$xml_config_minor_version.$xml_config_micro_version))
+ ifelse([$2], , :, [$2])
+ else
+ AC_MSG_RESULT(no)
+ if test "$XML2_CONFIG" = "no" ; then
+ echo "*** The xml2-config script installed by LIBXML could not be found"
+ echo "*** If libxml was installed in PREFIX, make sure PREFIX/bin is in"
+ echo "*** your path, or set the XML2_CONFIG environment variable to the"
+ echo "*** full path to xml2-config."
+ else
+ if test -f conf.xmltest ; then
+ :
+ else
+ echo "*** Could not run libxml test program, checking why..."
+ CPPFLAGS="$CPPFLAGS $XML_CPPFLAGS"
+ LIBS="$LIBS $XML_LIBS"
+ AC_TRY_LINK([
+#include <libxml/xmlversion.h>
+#include <stdio.h>
+], [ LIBXML_TEST_VERSION; return 0;],
+ [ echo "*** The test program compiled, but did not run. This usually means"
+ echo "*** that the run-time linker is not finding LIBXML or finding the wrong"
+ echo "*** version of LIBXML. If it is not finding LIBXML, you'll need to set your"
+ echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
+ echo "*** to the installed location Also, make sure you have run ldconfig if that"
+ echo "*** is required on your system"
+ echo "***"
+ echo "*** If you have an old version installed, it is best to remove it, although"
+ echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
+ [ echo "*** The test program failed to compile or link. See the file config.log for the"
+ echo "*** exact error that occured. This usually means LIBXML was incorrectly installed"
+ echo "*** or that you have moved LIBXML since it was installed. In the latter case, you"
+ echo "*** may want to edit the xml2-config script: $XML2_CONFIG" ])
+ CPPFLAGS="$ac_save_CPPFLAGS"
+ LIBS="$ac_save_LIBS"
+ fi
+ fi
+
+ XML_CPPFLAGS=""
+ XML_LIBS=""
+ ifelse([$3], , :, [$3])
+ fi
+ AC_SUBST(XML_CPPFLAGS)
+ AC_SUBST(XML_LIBS)
+ rm -f conf.xmltest
+])
projects / lttng-tools.git / commitdiff
