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139 lines
5.8 KiB
139 lines
5.8 KiB
17 years ago
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dnl @synopsis AC_PATH_GENERIC(LIBRARY [, MINIMUM-VERSION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
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dnl
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dnl Runs a LIBRARY-config script and defines LIBRARY_CFLAGS and LIBRARY_LIBS
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dnl
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dnl The script must support `--cflags' and `--libs' args.
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dnl If MINIMUM-VERSION is specified, the script must also support the
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dnl `--version' arg.
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dnl If the `--with-library-[exec-]prefix' arguments to ./configure are given,
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dnl it must also support `--prefix' and `--exec-prefix'.
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dnl (In other words, it must be like gtk-config.)
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dnl
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dnl For example:
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dnl
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dnl AC_PATH_GENERIC(Foo, 1.0.0)
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dnl
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dnl would run `foo-config --version' and check that it is at least 1.0.0
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dnl
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dnl If so, the following would then be defined:
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dnl
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dnl FOO_CFLAGS to `foo-config --cflags`
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dnl FOO_LIBS to `foo-config --libs`
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dnl
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dnl At present there is no support for additional "MODULES" (see AM_PATH_GTK)
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dnl (shamelessly stolen from gtk.m4 and then hacked around a fair amount)
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dnl
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dnl @author Angus Lees <gusl@cse.unsw.edu.au>
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AC_DEFUN([AC_PATH_GENERIC],
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[dnl
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dnl we're going to need uppercase, lowercase and user-friendly versions of the
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dnl string `LIBRARY'
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pushdef([UP], translit([$1], [a-z], [A-Z]))dnl
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pushdef([DOWN], translit([$1], [A-Z], [a-z]))dnl
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dnl
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dnl Get the cflags and libraries from the LIBRARY-config script
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dnl
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AC_ARG_WITH(DOWN-prefix,
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[ --with-]DOWN[-prefix=PFX Prefix where $1 is installed (optional)],
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DOWN[]_config_prefix="$withval", DOWN[]_config_prefix="")
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AC_ARG_WITH(DOWN-exec-prefix,
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[ --with-]DOWN[-exec-prefix=PFX Exec prefix where $1 is installed (optional)],
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DOWN[]_config_exec_prefix="$withval", DOWN[]_config_exec_prefix="")
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if test x$DOWN[]_config_exec_prefix != x ; then
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DOWN[]_config_args="$DOWN[]_config_args --exec-prefix=$DOWN[]_config_exec_prefix"
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if test x${UP[]_CONFIG+set} != xset ; then
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UP[]_CONFIG=$DOWN[]_config_exec_prefix/bin/DOWN-config
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fi
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fi
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if test x$DOWN[]_config_prefix != x ; then
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DOWN[]_config_args="$DOWN[]_config_args --prefix=$DOWN[]_config_prefix"
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if test x${UP[]_CONFIG+set} != xset ; then
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UP[]_CONFIG=$DOWN[]_config_prefix/bin/DOWN-config
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fi
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fi
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AC_PATH_PROG(UP[]_CONFIG, DOWN-config, no)
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ifelse([$2], ,
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AC_MSG_CHECKING(for $1),
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AC_MSG_CHECKING(for $1 - version >= $2)
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)
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no_[]DOWN=""
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if test "$UP[]_CONFIG" = "no" ; then
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no_[]DOWN=yes
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else
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UP[]_CFLAGS="`$UP[]_CONFIG $DOWN[]_config_args --cflags`"
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UP[]_LIBS="`$UP[]_CONFIG $DOWN[]_config_args --libs`"
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ifelse([$2], , ,[
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DOWN[]_config_major_version=`$UP[]_CONFIG $DOWN[]_config_args \
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--version | sed 's/[[^0-9]]*\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\).*/\1/'`
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DOWN[]_config_minor_version=`$UP[]_CONFIG $DOWN[]_config_args \
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--version | sed 's/[[^0-9]]*\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\).*/\2/'`
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DOWN[]_config_micro_version=`$UP[]_CONFIG $DOWN[]_config_args \
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--version | sed 's/[[^0-9]]*\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\).*/\3/'`
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DOWN[]_wanted_major_version="regexp($2, [\<\([0-9]*\)], [\1])"
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DOWN[]_wanted_minor_version="regexp($2, [\<\([0-9]*\)\.\([0-9]*\)], [\2])"
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DOWN[]_wanted_micro_version="regexp($2, [\<\([0-9]*\).\([0-9]*\).\([0-9]*\)], [\3])"
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# Compare wanted version to what config script returned.
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# If I knew what library was being run, i'd probably also compile
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# a test program at this point (which also extracted and tested
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# the version in some library-specific way)
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if test "$DOWN[]_config_major_version" -lt \
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"$DOWN[]_wanted_major_version" \
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-o \( "$DOWN[]_config_major_version" -eq \
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"$DOWN[]_wanted_major_version" \
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-a "$DOWN[]_config_minor_version" -lt \
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"$DOWN[]_wanted_minor_version" \) \
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-o \( "$DOWN[]_config_major_version" -eq \
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"$DOWN[]_wanted_major_version" \
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-a "$DOWN[]_config_minor_version" -eq \
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"$DOWN[]_wanted_minor_version" \
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-a "$DOWN[]_config_micro_version" -lt \
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"$DOWN[]_wanted_micro_version" \) ; then
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# older version found
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no_[]DOWN=yes
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echo -n "*** An old version of $1 "
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echo -n "($DOWN[]_config_major_version"
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echo -n ".$DOWN[]_config_minor_version"
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echo ".$DOWN[]_config_micro_version) was found."
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echo -n "*** You need a version of $1 newer than "
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echo -n "$DOWN[]_wanted_major_version"
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echo -n ".$DOWN[]_wanted_minor_version"
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echo ".$DOWN[]_wanted_micro_version."
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echo "***"
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echo "*** If you have already installed a sufficiently new version, this error"
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echo "*** probably means that the wrong copy of the DOWN-config shell script is"
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echo "*** being found. The easiest way to fix this is to remove the old version"
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echo "*** of $1, but you can also set the UP[]_CONFIG environment to point to the"
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echo "*** correct copy of DOWN-config. (In this case, you will have to"
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echo "*** modify your LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf"
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echo "*** so that the correct libraries are found at run-time)"
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fi
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])
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fi
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if test "x$no_[]DOWN" = x ; then
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AC_MSG_RESULT(yes)
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ifelse([$3], , :, [$3])
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else
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AC_MSG_RESULT(no)
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if test "$UP[]_CONFIG" = "no" ; then
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echo "*** The DOWN-config script installed by $1 could not be found"
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echo "*** If $1 was installed in PREFIX, make sure PREFIX/bin is in"
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echo "*** your path, or set the UP[]_CONFIG environment variable to the"
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echo "*** full path to DOWN-config."
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fi
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UP[]_CFLAGS=""
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UP[]_LIBS=""
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ifelse([$4], , :, [$4])
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fi
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AC_SUBST(UP[]_CFLAGS)
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AC_SUBST(UP[]_LIBS)
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popdef([UP])
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popdef([DOWN])
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])
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