AC_DEFUN([AC_PATH_GENERIC], [dnl dnl we're going to need uppercase, lowercase and user-friendly versions of the dnl string `LIBRARY' pushdef([UP], translit([$1], [a-z], [A-Z]))dnl pushdef([DOWN], translit([$1], [A-Z], [a-z]))dnl dnl dnl Get the cflags and libraries from the LIBRARY-config script dnl AC_ARG_WITH(DOWN-prefix,[ --with-]DOWN[-prefix=PFX Prefix where $1 is installed (optional)], DOWN[]_config_prefix="$withval", DOWN[]_config_prefix="") AC_ARG_WITH(DOWN-exec-prefix,[ --with-]DOWN[-exec-prefix=PFX Exec prefix where $1 is installed (optional)], DOWN[]_config_exec_prefix="$withval", DOWN[]_config_exec_prefix="") if test x$DOWN[]_config_exec_prefix != x ; then DOWN[]_config_args="$DOWN[]_config_args --exec-prefix=$DOWN[]_config_exec_prefix" if test x${UP[]_CONFIG+set} != xset ; then UP[]_CONFIG=$DOWN[]_config_exec_prefix/bin/DOWN-config fi fi if test x$DOWN[]_config_prefix != x ; then DOWN[]_config_args="$DOWN[]_config_args --prefix=$DOWN[]_config_prefix" if test x${UP[]_CONFIG+set} != xset ; then UP[]_CONFIG=$DOWN[]_config_prefix/bin/DOWN-config fi fi AC_PATH_PROG(UP[]_CONFIG, DOWN-config, no) ifelse([$2], , AC_MSG_CHECKING(for $1), AC_MSG_CHECKING(for $1 - version >= $2) ) no_[]DOWN="" if test "$UP[]_CONFIG" = "no" ; then no_[]DOWN=yes else UP[]_CFLAGS="`$UP[]_CONFIG $DOWN[]_config_args --cflags`" UP[]_LIBS="`$UP[]_CONFIG $DOWN[]_config_args --libs`" ifelse([$2], , ,[ DOWN[]_config_major_version=`$UP[]_CONFIG $DOWN[]_config_args \ --version | sed 's/[[^0-9]]*\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` DOWN[]_config_minor_version=`$UP[]_CONFIG $DOWN[]_config_args \ --version | sed 's/[[^0-9]]*\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` DOWN[]_config_micro_version=`$UP[]_CONFIG $DOWN[]_config_args \ --version | sed 's/[[^0-9]]*\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` DOWN[]_wanted_major_version="regexp($2, [\<\([0-9]*\)], [\1])" DOWN[]_wanted_minor_version="regexp($2, [\<\([0-9]*\)\.\([0-9]*\)], [\2])" DOWN[]_wanted_micro_version="regexp($2, [\<\([0-9]*\).\([0-9]*\).\([0-9]*\)], [\3])" # Compare wanted version to what config script returned. # If I knew what library was being run, i'd probably also compile # a test program at this point (which also extracted and tested # the version in some library-specific way) if test "$DOWN[]_config_major_version" -lt \ "$DOWN[]_wanted_major_version" \ -o \( "$DOWN[]_config_major_version" -eq \ "$DOWN[]_wanted_major_version" \ -a "$DOWN[]_config_minor_version" -lt \ "$DOWN[]_wanted_minor_version" \) \ -o \( "$DOWN[]_config_major_version" -eq \ "$DOWN[]_wanted_major_version" \ -a "$DOWN[]_config_minor_version" -eq \ "$DOWN[]_wanted_minor_version" \ -a "$DOWN[]_config_micro_version" -lt \ "$DOWN[]_wanted_micro_version" \) ; then # older version found no_[]DOWN=yes echo -n "*** An old version of $1 " echo -n "($DOWN[]_config_major_version" echo -n ".$DOWN[]_config_minor_version" echo ".$DOWN[]_config_micro_version) was found." echo -n "*** You need a version of $1 newer than " echo -n "$DOWN[]_wanted_major_version" echo -n ".$DOWN[]_wanted_minor_version" echo ".$DOWN[]_wanted_micro_version." echo "***" echo "*** If you have already installed a sufficiently new version, this error" echo "*** probably means that the wrong copy of the DOWN-config shell script is" echo "*** being found. The easiest way to fix this is to remove the old version" echo "*** of $1, but you can also set the UP[]_CONFIG environment to point to the" echo "*** correct copy of DOWN-config. (In this case, you will have to" echo "*** modify your LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf" echo "*** so that the correct libraries are found at run-time)" fi ]) fi if test "x$no_[]DOWN" = x ; then AC_MSG_RESULT(yes) ifelse([$3], , :, [$3]) else AC_MSG_RESULT(no) if test "$UP[]_CONFIG" = "no" ; then echo "*** The DOWN-config script installed by $1 could not be found" echo "*** If $1 was installed in PREFIX, make sure PREFIX/bin is in" echo "*** your path, or set the UP[]_CONFIG environment variable to the" echo "*** full path to DOWN-config." fi UP[]_CFLAGS="" UP[]_LIBS="" ifelse([$4], , :, [$4]) fi AC_SUBST(UP[]_CFLAGS) AC_SUBST(UP[]_LIBS) popdef([UP]) popdef([DOWN]) ])