1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
# gcj.m4 serial 2 (gettext-0.17)
dnl Copyright (C) 2002, 2006, 2015-2016 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
# Check for a Java compiler that creates executables.
# Assigns the variables GCJ and GCJFLAGS, and set HAVE_GCJ to nonempty,
# if found. Otherwise sets HAVE_GCJ to empty.
AC_DEFUN([gt_GCJ],
[
AC_ARG_VAR([GCJ], [Java native code compiler command])
AC_ARG_VAR([GCJFLAGS], [Java native code compiler flags])
AC_MSG_CHECKING([for Java to native code compiler])
# Search for the gcj command or use the one provided by the user.
if test -z "$GCJ"; then
pushdef([AC_MSG_CHECKING],[:])dnl
pushdef([AC_CHECKING],[:])dnl
pushdef([AC_MSG_RESULT],[:])dnl
AC_CHECK_TOOL([GCJ], [gcj], [none])
popdef([AC_MSG_RESULT])dnl
popdef([AC_CHECKING])dnl
popdef([AC_MSG_CHECKING])dnl
fi
# Choose GCJFLAGS or use the one provided by the user.
if test "$GCJ" != none; then
test "${GCJFLAGS+set}" != set || GCJFLAGS="-O2 -g"
fi
# Check whether the version is ok and it can create executables.
ac_gcj_link="$GCJ $GCJFLAGS conftest.java --main=conftest -o conftest$ac_exeext"
changequote(,)dnl
if test "$GCJ" != none \
&& $GCJ --version 2>/dev/null | sed -e 's,^[^0-9]*,,' -e 1q | grep '^[3-9]' >/dev/null \
&& (
# See if libgcj.so is well installed and if exception handling works.
cat > conftest.java <<EOF
public class conftest {
public static void main (String[] args) {
try {
java.util.ResourceBundle.getBundle("foobar");
} catch (Exception e) {
}
System.exit(0);
}
}
EOF
changequote([,])dnl
AC_TRY_EVAL([ac_gcj_link])
error=$?
if test $error = 0 && test "$cross_compiling" != yes; then
# Run conftest and catch its exit status, but silently.
error=`./conftest >/dev/null 2>&1; echo $?`
test $error = 0 || error=1
rm -f core conftest.core
fi
rm -f conftest.java conftest$ac_exeext
exit $error
); then
:
else
GCJ=none
fi
AC_MSG_RESULT($GCJ)
if test "$GCJ" != none; then
HAVE_GCJ=1
else
HAVE_GCJ=
fi
AC_SUBST(GCJ)
AC_SUBST(GCJFLAGS)
AC_SUBST(HAVE_GCJ)
])
|
