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85 lines
2.5 KiB
Plaintext
85 lines
2.5 KiB
Plaintext
dnl @synopsis AX_JAVAC_AND_JAVA
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dnl
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dnl Test for the presence of a JDK.
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dnl
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dnl If "JAVA" is defined in the environment, that will be the only
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dnl java command tested. Otherwise, a hard-coded list will be used.
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dnl Similarly for "JAVAC".
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dnl
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dnl This macro does not currenly support testing for a particular
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dnl Java version, the presence of a particular class, testing for
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dnl only one of "java" and "javac", or compiling or running
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dnl user-provided Java code.
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dnl
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dnl After AX_JAVAC_AND_JAVA runs, the shell variables "success" and
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dnl "ax_javac_and_java" are set to "yes" or "no", and "JAVAC" and
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dnl "JAVA" are set to the appropriate commands.
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dnl
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dnl @category Java
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dnl @version 2009-02-09
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dnl @license AllPermissive
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dnl
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dnl Copyright (C) 2009 David Reiss
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dnl Copying and distribution of this file, with or without modification,
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dnl are permitted in any medium without royalty provided the copyright
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dnl notice and this notice are preserved.
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AC_DEFUN([AX_JAVAC_AND_JAVA],
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[
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dnl Hard-coded default commands to test.
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JAVAC_PROGS="javac,jikes,gcj -C"
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JAVA_PROGS="java,kaffe"
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dnl Allow the user to specify an alternative.
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if test -n "$JAVAC" ; then
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JAVAC_PROGS="$JAVAC"
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fi
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if test -n "$JAVA" ; then
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JAVA_PROGS="$JAVA"
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fi
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AC_MSG_CHECKING(for javac and java)
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echo "public class configtest_ax_javac_and_java { public static void main(String args@<:@@:>@) { } }" > configtest_ax_javac_and_java.java
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success=no
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oIFS="$IFS"
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IFS=","
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for JAVAC in $JAVAC_PROGS ; do
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IFS="$oIFS"
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echo "Running \"$JAVAC configtest_ax_javac_and_java.java\"" >&AS_MESSAGE_LOG_FD
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if $JAVAC configtest_ax_javac_and_java.java >&AS_MESSAGE_LOG_FD 2>&1 ; then
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IFS=","
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for JAVA in $JAVA_PROGS ; do
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IFS="$oIFS"
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echo "Running \"$JAVA configtest_ax_javac_and_java\"" >&AS_MESSAGE_LOG_FD
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if $JAVA configtest_ax_javac_and_java >&AS_MESSAGE_LOG_FD 2>&1 ; then
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success=yes
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break 2
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fi
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done
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fi
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done
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rm -f configtest_ax_javac_and_java.java configtest_ax_javac_and_java.class
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if test "$success" != "yes" ; then
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AC_MSG_RESULT(no)
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JAVAC=""
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JAVA=""
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else
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AC_MSG_RESULT(yes)
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fi
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ax_javac_and_java="$success"
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])
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