mirror of git://gcc.gnu.org/git/gcc.git
51 lines
1.9 KiB
Plaintext
51 lines
1.9 KiB
Plaintext
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AC_DEFUN([AC_LIB_ANTLR],[
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AC_MSG_CHECKING([for the ANTLR parser generator JAR file])
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if test -z "$ANTLR_JAR"; then
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for antlr_lib_home in `ls -d /usr/local/share/antlr* 2> /dev/null` \
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/usr/share/antlr/lib /usr/share/java /usr/lib;
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do
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if test -f "$antlr_lib_home/antlr.jar"; then
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ANTLR_JAR="$antlr_lib_home/antlr.jar"
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break
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fi
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done
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fi
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test -f $ANTLR_JAR || AC_MSG_ERROR([specified ANTLR jar file $ANTLR_JAR not found.]) \
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&& AC_MSG_RESULT([$ANTLR_JAR])
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AC_SUBST(ANTLR_JAR)
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AC_PROVIDE([$0])dnl
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])
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AC_DEFUN([AC_PROG_ANTLR],[
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AC_REQUIRE([AC_PROG_JAVA])dnl
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AC_CHECK_TOOLS([ANTLR], [cantlr runantlr antlr])
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if test "x$ANTLR" = x; then
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if test -z "$JAVA"; then
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AC_MSG_ERROR(Failed to find either an antlr binary or a suitable Java runtime for ANTLR.)
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else
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if test -z "$ANTLR_JAR"; then
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AC_MSG_ERROR(Failed to find either an antlr binary or a suitable antlr jar file.)
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else
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ANTLR="$JAVA -classpath $ANTLR_JAR antlr.Tool"
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fi
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fi
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fi
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AC_SUBST(ANTLR)
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AC_MSG_CHECKING([for antlr $1.$2.$3 or better])
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antlr_version_str=`$ANTLR 2>&1 | head -n 1 | sed '/.*Version */!d; s///;q'`
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if test "$antlr_version_str"; then
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antlr_version_regex='s/\([[[:digit:]]]\+\)\.\([[[:digit:]]]\+\)\.\([[[:digit:]]]\+\).*$/'
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antlr_version_major=`echo $antlr_version_str | sed "$antlr_version_regex\\1/"`
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antlr_version_minor=`echo $antlr_version_str | sed "$antlr_version_regex\\2/"`
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antlr_version_micro=`echo $antlr_version_str | sed "$antlr_version_regex\\3/"`
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(test $antlr_version_major -gt $1 || \
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(test $antlr_version_major -eq $1 && \
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test $antlr_version_minor -gt $2) || \
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(test $antlr_version_major -eq $1 && \
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test $antlr_version_minor -eq $2 && \
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test $antlr_version_micro -ge $3))
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fi
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AC_MSG_RESULT($antlr_version_major.$antlr_version_minor.$antlr_version_micro)
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])
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