pth.m4

Linux下的中文输入法

        fi
    fi
    _AC_PTH_VERBOSE([+ Determined Location:])
    _AC_PTH_VERBOSE([    o path: $_pth_location])
    _AC_PTH_VERBOSE([    o type: $_pth_type])
    if test ".$_pth_version" = .; then
        if test ".$with_pth" != .yes; then
             _AC_PTH_ERROR([dnl
             Unable to locate GNU Pth under $with_pth.
             Please specify the correct path to either a GNU Pth installation tree
             (use --with-pth=DIR if you used --prefix=DIR for installing GNU Pth in
             the past) or to a GNU Pth source tree (use --with-pth=DIR if DIR is a
             path to a pth-X.Y.Z/ directory; but make sure the package is already
             built, i.e., the "configure; make" step was already performed there).])
        else
             _AC_PTH_ERROR([dnl
             Unable to locate GNU Pth in any system-wide location (see \$PATH).
             Please specify the correct path to either a GNU Pth installation tree
             (use --with-pth=DIR if you used --prefix=DIR for installing GNU Pth in
             the past) or to a GNU Pth source tree (use --with-pth=DIR if DIR is a
             path to a pth-X.Y.Z/ directory; but make sure the package is already
             built, i.e., the "configure; make" step was already performed there).])
        fi
    fi
    dnl #
    dnl #  Check whether the found version is sufficiently new
    dnl #
    _req_version="ifelse([$1],,1.0.0,$1)"
    for _var in _pth_version _req_version; do
        eval "_val=\"\$${_var}\""
        _major=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\1/'`
        _minor=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\2/'`
        _rtype=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\3/'`
        _micro=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\4/'`
        case $_rtype in
            "a" ) _rtype=0 ;;
            "b" ) _rtype=1 ;;
            "." ) _rtype=2 ;;
        esac
        _hex=`echo dummy | awk '{ printf("%d%02d%1d%02d", major, minor, rtype, micro); }' \
              "major=$_major" "minor=$_minor" "rtype=$_rtype" "micro=$_micro"`
        eval "${_var}_hex=\"\$_hex\""
    done
    _AC_PTH_VERBOSE([+ Determined Versions:])
    _AC_PTH_VERBOSE([    o existing: $_pth_version -> 0x$_pth_version_hex])
    _AC_PTH_VERBOSE([    o required: $_req_version -> 0x$_req_version_hex])
    _ok=0
    if test ".$_pth_version_hex" != .; then
        if test ".$_req_version_hex" != .; then
            if test $_pth_version_hex -ge $_req_version_hex; then
                _ok=1
            fi
        fi
    fi
    if test ".$_ok" = .0; then
        _AC_PTH_ERROR([dnl
        Found Pth version $_pth_version, but required at least version $_req_version.
        Upgrade Pth under $_pth_location to $_req_version or higher first, please.])
    fi
    dnl #
    dnl #   Perform Pth Sanity Compile Check
    dnl #
    if test ".$with_pth_test" = .yes; then
        _ac_save_CPPFLAGS="$CPPFLAGS"
        _ac_save_CFLAGS="$CFLAGS"
        _ac_save_LDFLAGS="$LDFLAGS"
        _ac_save_LIBS="$LIBS"
        CPPFLAGS="$CPPFLAGS $_pth_cppflags"
        CFLAGS="$CFLAGS $_pth_cflags"
        LDFLAGS="$LDFLAGS $_pth_ldflags"
        LIBS="$LIBS $_pth_libs"
        _AC_PTH_VERBOSE([+ Test Build Environment:])
        _AC_PTH_VERBOSE([    o CPPFLAGS=\"$CPPFLAGS\"])
        _AC_PTH_VERBOSE([    o CFLAGS=\"$CFLAGS\"])
        _AC_PTH_VERBOSE([    o LDFLAGS=\"$LDFLAGS\"])
        _AC_PTH_VERBOSE([    o LIBS=\"$LIBS\"])
        cross_compile=no
        m4_define(_code1, [dnl
        #include <stdio.h>
        #include <pth.h>
        ])
        m4_define(_code2, [dnl
        int main(int argc, char *argv[])
        {
            FILE *fp;
            if (!(fp = fopen("conftestval", "w")))
                exit(1);
            fprintf(fp, "hmm");
            fclose(fp);
            pth_init();
            pth_kill();
            if (!(fp = fopen("conftestval", "w")))
                exit(1);
            fprintf(fp, "yes");
            fclose(fp);
            exit(0);
        }
        ])
        _AC_PTH_VERBOSE([+ Performing Sanity Checks:])
        _AC_PTH_VERBOSE([    o pre-processor test])
        AC_TRY_CPP(_code1, _ok=yes, _ok=no)
        if test ".$_ok" != .yes; then
            _AC_PTH_ERROR([dnl
            Found GNU Pth $_pth_version under $_pth_location, but
            was unable to perform a sanity pre-processor check. This means
            the GNU Pth header pth.h was not found.
            We used the following build environment:
            >> CPP="$CPP"
            >> CPPFLAGS="$CPPFLAGS"
            See config.log for possibly more details.])
        fi
        _AC_PTH_VERBOSE([    o link check])
        AC_TRY_LINK(_code1, _code2, _ok=yes, _ok=no)
        if test ".$_ok" != .yes; then
            _AC_PTH_ERROR([dnl
            Found GNU Pth $_pth_version under $_pth_location, but
            was unable to perform a sanity linker check. This means
            the GNU Pth library libpth.a was not found.
            We used the following build environment:
            >> CC="$CC"
            >> CFLAGS="$CFLAGS"
            >> LDFLAGS="$LDFLAGS"
            >> LIBS="$LIBS"
            See config.log for possibly more details.])
        fi
        _AC_PTH_VERBOSE([    o run-time check])
        AC_TRY_RUN(_code1 _code2, _ok=`cat conftestval`, _ok=no, _ok=no)
        if test ".$_ok" != .yes; then
            if test ".$_ok" = .no; then
                _AC_PTH_ERROR([dnl
                Found GNU Pth $_pth_version under $_pth_location, but
                was unable to perform a sanity execution check. This usually
                means that the GNU Pth shared library libpth.so is present
                but \$LD_LIBRARY_PATH is incomplete to execute a Pth test.
                In this case either disable this test via --without-pth-test,
                or extend \$LD_LIBRARY_PATH, or build GNU Pth as a static
                library only via its --disable-shared Autoconf option.
                We used the following build environment:
                >> CC="$CC"
                >> CFLAGS="$CFLAGS"
                >> LDFLAGS="$LDFLAGS"
                >> LIBS="$LIBS"
                See config.log for possibly more details.])
            else
                _AC_PTH_ERROR([dnl
                Found GNU Pth $_pth_version under $_pth_location, but
                was unable to perform a sanity run-time check. This usually
                means that the GNU Pth library failed to work and possibly
                caused a core dump in the test program. In this case it
                is strongly recommended that you re-install GNU Pth and this
                time make sure that it really passes its "make test" procedure.
                We used the following build environment:
                >> CC="$CC"
                >> CFLAGS="$CFLAGS"
                >> LDFLAGS="$LDFLAGS"
                >> LIBS="$LIBS"
                See config.log for possibly more details.])
            fi
        fi
        _extendvars="ifelse([$4],,yes,$4)"
        if test ".$_extendvars" != .yes; then
            CPPFLAGS="$_ac_save_CPPFLAGS"
            CFLAGS="$_ac_save_CFLAGS"
            LDFLAGS="$_ac_save_LDFLAGS"
            LIBS="$_ac_save_LIBS"
        fi
    else
        _extendvars="ifelse([$4],,yes,$4)"
        if test ".$_extendvars" = .yes; then
            if test ".$_pth_subdir" = .yes; then
                CPPFLAGS="$CPPFLAGS $_pth_cppflags"
                CFLAGS="$CFLAGS $_pth_cflags"
                LDFLAGS="$LDFLAGS $_pth_ldflags"
                LIBS="$LIBS $_pth_libs"
            fi
        fi
    fi
    PTH_CPPFLAGS="$_pth_cppflags"
    PTH_CFLAGS="$_pth_cflags"
    PTH_LDFLAGS="$_pth_ldflags"
    PTH_LIBS="$_pth_libs"
    AC_SUBST(PTH_CPPFLAGS)
    AC_SUBST(PTH_CFLAGS)
    AC_SUBST(PTH_LDFLAGS)
    AC_SUBST(PTH_LIBS)
    _AC_PTH_VERBOSE([+ Final Results:])
    _AC_PTH_VERBOSE([    o PTH_CPPFLAGS=\"$PTH_CPPFLAGS\"])
    _AC_PTH_VERBOSE([    o PTH_CFLAGS=\"$PTH_CFLAGS\"])
    _AC_PTH_VERBOSE([    o PTH_LDFLAGS=\"$PTH_LDFLAGS\"])
    _AC_PTH_VERBOSE([    o PTH_LIBS=\"$PTH_LIBS\"])
fi
if test ".$with_pth" != .no; then
    AC_MSG_RESULT([version $_pth_version, $_pth_type under $_pth_location])
    ifelse([$5], , :, [$5])
else
    AC_MSG_RESULT([no])
    ifelse([$6], , :, [$6])
fi
])