diff options
| -rw-r--r-- | m4/dvdnav.m4 | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/m4/dvdnav.m4 b/m4/dvdnav.m4 index a394bce37..5c33a0b63 100644 --- a/m4/dvdnav.m4 +++ b/m4/dvdnav.m4 @@ -52,7 +52,7 @@ AC_ARG_ENABLE(dvdnavtest, fi fi - min_dvdnav_version=ifelse([$1], ,0.5.0,$1) + min_dvdnav_version=ifelse([$1], ,0.0.0,$1) if test "x$enable_dvdnavtest" != "xyes" ; then AC_MSG_CHECKING([for DVDNAV-LIB version >= $min_dvdnav_version]) else @@ -96,7 +96,34 @@ main () system ("touch conf.dvdnavtest"); - return 0; + /* HP/UX 9 (%@#!) writes to sscanf strings */ + tmp_version = (char *) strdup("$min_dvdnav_version"); + if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &sub) != 3) { + printf("%s, bad version string\n", "$min_dvdnav_version"); + exit(1); + } + + if (($dvdnav_config_major_version > major) || + (($dvdnav_config_major_version == major) && ($dvdnav_config_minor_version > minor)) || + (($dvdnav_config_major_version == major) && ($dvdnav_config_minor_version == minor) && ($dvdnav_config_sub_version >= sub))) { + return 0; + } else { + printf("\n*** An old version of libdvdnav (%d.%d.%d) was found.\n", + $dvdnav_config_major_version, $dvdnav_config_minor_version, $dvdnav_config_sub_version); + printf("*** You need a version of libdvdnav newer than %d.%d.%d. The latest version of\n", + major, minor, sub); + printf("*** libdvdnav is always available from:\n"); + printf("*** http://dvd.sourceforge.net\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 dvdnav-config shell script is\n"); + printf("*** being found. The easiest way to fix this is to remove the old version\n"); + printf("*** of libdvdnav, but you can also set the DVDNAV_CONFIG environment to point to the\n"); + printf("*** correct copy of dvdnav-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_dvdnav=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) CFLAGS="$ac_save_CFLAGS" |