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Autoconf Macro: ac_prog_java_cc
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<h1>
ac_prog_java_cc
</h1>
<h2>
Synopsis
</h2>
<p class="indent" style="white-space:nowrap;">
<code>AC_PROG_JAVA_CC</code>
</p>
<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")
- 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>
Author
</h2>
<p class="indent">
Nic Ferrier <nferrier@tapsellferrier.co.uk>
</p>
<h2>
Last Modified
</h2>
<p class="indent">
2002-03-04
</p>
<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>
License
</h2>
<div class="indent">
<span style="white-space:nowrap;">Copyright © 2002 Nic Ferrier
<nferrier@tapsellferrier.co.uk></span>
<p>
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your option)
any later version.
</p>
<p>
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
</p>
<p>
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc., 59
Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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