1 # FIXME: We temporarily define our own version of AC_PROG_CC. This is
2 # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
3 # are probably using a cross compiler, which will not be able to fully
4 # link an executable. This should really be fixed in autoconf
7 AC_DEFUN(LIBGCJ_CONFIGURE,
9 dnl Default to --enable-multilib
10 AC_ARG_ENABLE(multilib,
11 [ --enable-multilib build many library versions (default)],
12 [case "${enableval}" in
15 *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
16 esac], [multilib=yes])dnl
18 dnl We may get other options which we dont document:
19 dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
21 if test "[$]{srcdir}" = "."; then
22 if test "[$]{with_target_subdir}" != "."; then
23 libgcj_basedir="[$]{srcdir}/[$]{with_multisrctop}../$1"
25 libgcj_basedir="[$]{srcdir}/[$]{with_multisrctop}$1"
28 libgcj_basedir="[$]{srcdir}/$1"
30 AC_SUBST(libgcj_basedir)
34 dnl version is pulled out to make it a bit easier to change using sed.
36 dnl Still use "libjava" here to placate dejagnu.
37 AM_INIT_AUTOMAKE(libjava, $version)
39 # FIXME: We temporarily define our own version of AC_PROG_CC. This is
40 # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
41 # are probably using a cross compiler, which will not be able to fully
42 # link an executable. This should really be fixed in autoconf
45 AC_DEFUN(LIB_AC_PROG_CC,
46 [AC_BEFORE([$0], [AC_PROG_CPP])dnl
47 dnl Fool anybody using AC_PROG_CC.
48 AC_PROVIDE([AC_PROG_CC])
49 AC_CHECK_PROG(CC, gcc, gcc)
50 if test -z "$CC"; then
51 AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
52 test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
57 if test $ac_cv_prog_gcc = yes; then
59 dnl Check whether -g works, even if CFLAGS is set, in case the package
60 dnl plays around with CFLAGS (such as to build both debugging and
61 dnl normal versions of a library), tasteless as that idea is.
62 ac_test_CFLAGS="${CFLAGS+set}"
63 ac_save_CFLAGS="$CFLAGS"
66 if test "$ac_test_CFLAGS" = set; then
67 CFLAGS="$ac_save_CFLAGS"
68 elif test $ac_cv_prog_cc_g = yes; then
75 test "${CFLAGS+set}" = set || CFLAGS="-g"
81 # Likewise for AC_PROG_CXX.
82 AC_DEFUN(LIB_AC_PROG_CXX,
83 [AC_BEFORE([$0], [AC_PROG_CXXCPP])dnl
84 dnl Fool anybody using AC_PROG_CXX.
85 AC_PROVIDE([AC_PROG_CXX])
86 AC_CHECK_PROGS(CXX, $CCC c++ g++ gcc CC cxx cc++, gcc)
87 test -z "$CXX" && AC_MSG_ERROR([no acceptable c++ found in \$PATH])
91 if test $ac_cv_prog_gxx = yes; then
93 dnl Check whether -g works, even if CXXFLAGS is set, in case the package
94 dnl plays around with CXXFLAGS (such as to build both debugging and
95 dnl normal versions of a library), tasteless as that idea is.
96 ac_test_CXXFLAGS="${CXXFLAGS+set}"
97 ac_save_CXXFLAGS="$CXXFLAGS"
100 if test "$ac_test_CXXFLAGS" = set; then
101 CXXFLAGS="$ac_save_CXXFLAGS"
102 elif test $ac_cv_prog_cxx_g = yes; then
109 test "${CXXFLAGS+set}" = set || CXXFLAGS="-g"
115 # AC_CHECK_TOOL does AC_REQUIRE (AC_CANONICAL_BUILD). If we dont
116 # run it explicitly here, it will be run implicitly before
117 # LIBGCJ_CONFIGURE, which doesn't work because that means that it will
118 # be run before AC_CANONICAL_HOST.
121 AC_CHECK_TOOL(AS, as)
122 AC_CHECK_TOOL(AR, ar)
123 AC_CHECK_TOOL(RANLIB, ranlib, :)
129 # We need AC_EXEEXT to keep automake happy in cygnus mode. However,
130 # at least currently, we never actually build a program, so we never
131 # need to use $(EXEEXT). Moreover, the test for EXEEXT normally
132 # fails, because we are probably configuring with a cross compiler
133 # which cant create executables. So we include AC_EXEEXT to keep
134 # automake happy, but we dont execute it, since we dont care about
140 # configure.host sets the following important variables
141 # libgcj_cflags - host specific C compiler flags
142 # libgcj_cxxflags - host specific C++ compiler flags
143 # libgcj_javaflags - host specific Java compiler flags
149 . [$]{libgcj_basedir}/configure.host
151 case [$]{libgcj_basedir} in
152 /* | [A-Za-z]:[/\\]*) libgcj_flagbasedir=[$]{libgcj_basedir} ;;
153 *) libgcj_flagbasedir='[$](top_builddir)/'[$]{libgcj_basedir} ;;
156 LIBGCJ_CFLAGS="[$]{libgcj_cflags}"
157 LIBGCJ_CXXFLAGS="[$]{libgcj_cxxflags}"
158 LIBGCJ_JAVAFLAGS="[$]{libgcj_javaflags}"
159 AC_SUBST(LIBGCJ_CFLAGS)
160 AC_SUBST(LIBGCJ_CXXFLAGS)
161 AC_SUBST(LIBGCJ_JAVAFLAGS)