diff --git a/macros/libxml2.m4 b/macros/libxml2.m4 index 68cd8242f..666ea4b44 100644 --- a/macros/libxml2.m4 +++ b/macros/libxml2.m4 @@ -133,7 +133,81 @@ main() } return 1; } -],, no_xml=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) +],, no_xml=yes, +AC_TRY_LINK([ +#include +#include +#include +#include +],[ + int xml_major_version, xml_minor_version, xml_micro_version; + int major, minor, micro; + char *tmp_version; + + system("touch conf.xmltest"); + + /* Capture xml2-config output via autoconf/configure variables */ + /* HP/UX 9 (%@#!) writes to sscanf strings */ + tmp_version = (char *)strdup("$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; +} +], [echo $ac_n "cross compiling; assumed OK... $ac_c"], no_xml=yes ) +) CPPFLAGS="$ac_save_CPPFLAGS" LIBS="$ac_save_LIBS" fi