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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
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<title>Autoconf Macro: ac_prog_java_cc</title>
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<hr>
<h1>ac_prog_java_cc</h1>
<h2>Synopsis</h2>
<div class="indent">
<p style="text-align:left; white-space:nowrap;">
<code>AC_PROG_JAVA_CC</code></p>
</div>
<h2>Description</h2>
<div class="indent">
<p>Finds the appropriate java compiler on your path. By preference the java
compiler is gcj, then jikes then javac.</p>
<p>The macro can take one argument specifying a space separated list of
java compiler names.</p>
<p>For example:</p>
<pre>
AC_PROG_JAVA_CC(javac, gcj)
</pre>
<p>The macro also sets the compiler options variable: JAVA_CC_OPTS to
something sensible:</p>
<pre>
- for GCJ it sets it to: @GCJ_OPTS@
(if GCJ_OPTS is not yet defined then it is set to "-C")
</pre>
<pre>
- no other compiler has applicable options yet
</pre>
<p>Here's an example configure.in:</p>
<pre>
AC_INIT(Makefile.in)
AC_PROG_JAVA_CC()
AC_OUTPUT(Makefile)
dnl End.
</pre>
<p>And here's the start of the Makefile.in:</p>
<pre>
PROJECT_ROOT := @srcdir@
# Tool definitions.
JAVAC := @JAVA_CC@
JAVAC_OPTS := @JAVA_CC_OPTS@
JAR_TOOL := @jar_tool@
</pre>
</div>
<h2>Version</h2>
<div class="indent">
<p>1.1 (last modified: 2002-03-04)</p>
</div>
<h2>Author</h2>
<div class="indent">
<p>Nic Ferrier <nferrier@tapsellferrier.co.uk></p>
</div>
<h2>M4 Source Code</h2>
<div class="indent">
<pre class="m4source">
# AC_PROG_JAVA_CC([COMPILER ...])
# --------------------------
# COMPILER ... is a space separated list of java compilers to search for.
# This just gives the user an opportunity to specify an alternative
# search list for the java compiler.
AC_DEFUN([AC_PROG_JAVA_CC],
[AC_ARG_VAR([JAVA_CC], [java compiler command])dnl
AC_ARG_VAR([JAVA_CC_FLAGS], [java compiler flags])dnl
m4_ifval([$1],
[AC_CHECK_TOOLS(JAVA_CC, [$1])],
[AC_CHECK_TOOL(JAVA_CC, gcj)
if test -z "$JAVA_CC"; then
AC_CHECK_TOOL(JAVA_CC, javac)
fi
if test -z "$JAVA_CC"; then
AC_CHECK_TOOL(JAVA_CC, jikes)
fi
])
if test "$JAVA_CC" = "gcj"; then
if test "$GCJ_OPTS" = ""; then
AC_SUBST(GCJ_OPTS,-C)
fi
AC_SUBST(JAVA_CC_OPTS, @GCJ_OPTS@,
[Define the compilation options for GCJ])
fi
test -z "$JAVA_CC" && AC_MSG_ERROR([no acceptable java compiler found in \$PATH])
])# AC_PROG_JAVA_CC
</pre>
</div>
<h2>Copyright</h2>
<div class="indent">
<a href="COPYING.html">GNU General Public License</a> with this special
<a href="COPYING-Exception.html">exception</a>.
</div>
</body>
</html>
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