libjava/acinclude.m4

   1 sinclude(../config/accross.m4)
   2
   3 AC_DEFUN(LIBGCJ_CONFIGURE,
   4 [
   5 dnl Default to --enable-multilib
   6 AC_ARG_ENABLE(multilib,
   7 [  --enable-multilib       build many library versions (default)],
   8 [case "${enableval}" in
   9   yes) multilib=yes ;;
  10   no)  multilib=no ;;
  11   *)   AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
  12  esac], [multilib=yes])dnl
  13
  14 dnl We may get other options which we don't document:
  15 dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
  16
  17 # When building with srcdir == objdir, links to the source files will
  18 # be created in directories within the target_subdir.  We have to
  19 # adjust toplevel_srcdir accordingly, so that configure finds
  20 # install-sh and other auxiliary files that live in the top-level
  21 # source directory.
  22 if test "${srcdir}" = "."; then
  23   if test -z "${with_target_subdir}"; then
  24     toprel=".."
  25   else
  26     if test "${with_target_subdir}" != "."; then
  27       toprel="${with_multisrctop}../.."
  28     else
  29       toprel="${with_multisrctop}.."
  30     fi
  31   fi
  32 else
  33   toprel=".."
  34 fi
  35
  36 libgcj_basedir=$srcdir/$toprel/$1/libjava
  37 AC_SUBST(libgcj_basedir)
  38
  39 AC_CONFIG_AUX_DIR(${srcdir}/$toprel)
  40 if :; then :; else
  41   # This overrides the previous occurrence for automake, but not for
  42   # autoconf, which is exactly what we want.
  43   AC_CONFIG_AUX_DIR(..)
  44 fi
  45
  46 # This works around an automake problem.
  47 mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs"
  48 AC_SUBST(mkinstalldirs)
  49
  50 AC_CANONICAL_SYSTEM
  51
  52 dnl This shouldn't be needed, as long as top-level dependencies are
  53 dnl defined correctly and shared-library paths are set up so that
  54 dnl execution tests succeed.  FIXME.
  55 define([AC_PROG_CC_WORKS],[])
  56 define([AC_PROG_CXX_WORKS],[])
  57
  58 AC_PROG_CC
  59
  60 # We use the libstdc++-v3 version of LIB_AC_PROG_CXX, but use
  61 # glibjava_CXX instead of glibcpp_CXX.  That's because we're passed a
  62 # different definition of CXX than other directories, since we don't
  63 # depend on libstdc++-v3 having already been built.
  64 AC_DEFUN(LIB_AC_PROG_CXX,
  65 [AC_BEFORE([$0], [AC_PROG_CXXCPP])dnl
  66 dnl Fool anybody using AC_PROG_CXX.
  67 AC_PROVIDE([AC_PROG_CXX])
  68 # Use glibjava_CXX so that we do not cause CXX to be cached with the
  69 # flags that come in CXX while configuring libjava.  They're different
  70 # from those used for all other target libraries.  If CXX is set in
  71 # the environment, respect that here.
  72 glibjava_CXX=$CXX
  73 AC_CHECK_PROGS(glibjava_CXX, $CCC c++ g++ gcc CC cxx cc++, gcc)
  74 AC_SUBST(CXX)
  75 CXX=$glibjava_CXX
  76 test -z "$glibjava_CXX" && AC_MSG_ERROR([no acceptable c++ found in \$PATH])
  77
  78 AC_PROG_CXX_GNU
  79
  80 if test $ac_cv_prog_gxx = yes; then
  81   GXX=yes
  82 dnl Check whether -g works, even if CXXFLAGS is set, in case the package
  83 dnl plays around with CXXFLAGS (such as to build both debugging and
  84 dnl normal versions of a library), tasteless as that idea is.
  85   ac_test_CXXFLAGS="${CXXFLAGS+set}"
  86   ac_save_CXXFLAGS="$CXXFLAGS"
  87   CXXFLAGS=
  88   AC_PROG_CXX_G
  89   if test "$ac_test_CXXFLAGS" = set; then
  90     CXXFLAGS="$ac_save_CXXFLAGS"
  91   elif test $ac_cv_prog_cxx_g = yes; then
  92     CXXFLAGS="-g -O2"
  93   else
  94     CXXFLAGS="-O2"
  95   fi
  96 else
  97   GXX=
  98   test "${CXXFLAGS+set}" = set || CXXFLAGS="-g"
  99 fi
 100 ])
 101
 102 LIB_AC_PROG_CXX
 103
 104 dnl version is pulled out to make it a bit easier to change using sed.
 105 version=0.0.7
 106 dnl Still use "libjava" here to placate dejagnu.
 107 AM_INIT_AUTOMAKE(libjava, $version)
 108
 109 # AC_CHECK_TOOL does AC_REQUIRE (AC_CANONICAL_BUILD).  If we don't
 110 # run it explicitly here, it will be run implicitly before
 111 # LIBGCJ_CONFIGURE, which doesn't work because that means that it will
 112 # be run before AC_CANONICAL_HOST.
 113 AC_CANONICAL_BUILD
 114
 115 AC_CHECK_TOOL(AS, as)
 116 AC_CHECK_TOOL(AR, ar)
 117 AC_CHECK_TOOL(RANLIB, ranlib, :)
 118
 119 AC_PROG_INSTALL
 120
 121 AM_MAINTAINER_MODE
 122
 123 AC_EXEEXT
 124
 125 # configure.host sets the following important variables
 126 #       libgcj_cflags    - host specific C compiler flags
 127 #       libgcj_cxxflags  - host specific C++ compiler flags
 128 #       libgcj_javaflags - host specific Java compiler flags
 129
 130 libgcj_cflags=
 131 libgcj_cxxflags=
 132 libgcj_javaflags=
 133
 134 . [$]{srcdir}/configure.host
 135
 136 LIBGCJ_CFLAGS="[$]{libgcj_cflags}"
 137 LIBGCJ_CXXFLAGS="[$]{libgcj_cxxflags}"
 138 LIBGCJ_JAVAFLAGS="[$]{libgcj_javaflags}"
 139 AC_SUBST(LIBGCJ_CFLAGS)
 140 AC_SUBST(LIBGCJ_CXXFLAGS)
 141 AC_SUBST(LIBGCJ_JAVAFLAGS)
 142 ])dnl
 143
 144 sinclude(../libtool.m4)
 145 dnl The lines below arrange for aclocal not to bring libtool.m4
 146 dnl AM_PROG_LIBTOOL into aclocal.m4, while still arranging for automake
 147 dnl to add a definition of LIBTOOL to Makefile.in.
 148 ifelse(yes,no,[
 149 AC_DEFUN([AM_PROG_LIBTOOL],)
 150 AC_DEFUN([AC_LIBTOOL_DLOPEN],)
 151 AC_DEFUN([AC_LIBLTDL_CONVENIENCE],)
 152 AC_DEFUN([LT_AC_PROG_GCJ],)
 153 AC_SUBST(GCJ)
 154 AC_SUBST(LIBTOOL)
 155 ])
 156
 157 #serial AM2
 158
 159 dnl From Bruno Haible.
 160
 161 AC_DEFUN([AM_ICONV],
 162 [
 163   dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
 164   dnl those with the standalone portable GNU libiconv installed).
 165
 166   am_cv_lib_iconv_ldpath=
 167   AC_ARG_WITH([libiconv-prefix],
 168 [  --with-libiconv-prefix=DIR  search for libiconv in DIR/include and DIR/lib], [
 169     for dir in `echo "$withval" | tr : ' '`; do
 170       if test -d $dir/include; then CPPFLAGS="$CPPFLAGS -I$dir/include"; fi
 171       if test -d $dir/lib; then am_cv_lib_iconv_ldpath="-L$dir/lib"; fi
 172     done
 173    ])
 174
 175   AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
 176     am_cv_func_iconv="no, consider installing GNU libiconv"
 177     am_cv_lib_iconv=no
 178     AC_TRY_LINK([#include <stdlib.h>
 179 #include <iconv.h>],
 180       [iconv_t cd = iconv_open("","");
 181        iconv(cd,NULL,NULL,NULL,NULL);
 182        iconv_close(cd);],
 183       am_cv_func_iconv=yes)
 184     if test "$am_cv_func_iconv" != yes; then
 185       am_save_LIBS="$LIBS"
 186       LIBS="$LIBS $am_cv_libiconv_ldpath -liconv"
 187       AC_TRY_LINK([#include <stdlib.h>
 188 #include <iconv.h>],
 189         [iconv_t cd = iconv_open("","");
 190          iconv(cd,NULL,NULL,NULL,NULL);
 191          iconv_close(cd);],
 192         am_cv_lib_iconv=yes
 193         am_cv_func_iconv=yes)
 194       LIBS="$am_save_LIBS"
 195     fi
 196   ])
 197   if test "$am_cv_func_iconv" = yes; then
 198     AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
 199     AC_MSG_CHECKING([for iconv declaration])
 200     AC_CACHE_VAL(am_cv_proto_iconv, [
 201       AC_TRY_COMPILE([
 202 #include <stdlib.h>
 203 #include <iconv.h>
 204 extern
 205 #ifdef __cplusplus
 206 "C"
 207 #endif
 208 #if defined(__STDC__) || defined(__cplusplus)
 209 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
 210 #else
 211 size_t iconv();
 212 #endif
 213 ], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")
 214       am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
 215     am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
 216     AC_MSG_RESULT([$]{ac_t:-
 217          }[$]am_cv_proto_iconv)
 218     AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
 219       [Define as const if the declaration of iconv() needs const.])
 220   fi
 221   LIBICONV=
 222   if test "$am_cv_lib_iconv" = yes; then
 223     LIBICONV="$am_cv_lib_iconv_ldpath -liconv"
 224   fi
 225   AC_SUBST(LIBICONV)
 226 ])
 227
 228 # Check whether LC_MESSAGES is available in <locale.h>.
 229 # Ulrich Drepper <drepper@cygnus.com>, 1995.
 230 #
 231 # This file can be copied and used freely without restrictions.  It can
 232 # be used in projects which are not available under the GNU General Public
 233 # License or the GNU Library General Public License but which still want
 234 # to provide support for the GNU gettext functionality.
 235 # Please note that the actual code of the GNU gettext library is covered
 236 # by the GNU Library General Public License, and the rest of the GNU
 237 # gettext package package is covered by the GNU General Public License.
 238 # They are *not* in the public domain.
 239
 240 # serial 2
 241
 242 AC_DEFUN([AM_LC_MESSAGES],
 243   [if test $ac_cv_header_locale_h = yes; then
 244     AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES,
 245       [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES],
 246        am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)])
 247     if test $am_cv_val_LC_MESSAGES = yes; then
 248       AC_DEFINE(HAVE_LC_MESSAGES, 1,
 249         [Define if your <locale.h> file defines LC_MESSAGES.])
 250     fi
 251   fi])
 252
 253 AC_DEFUN([CHECK_FOR_BROKEN_MINGW_LD],
 254 [
 255 AC_MSG_CHECKING(whether 'ld' is at least 2.13)
 256 LD_PROG=`$CC --print-prog-name=ld`
 257 LD_VERSION=`$LD_PROG --version`
 258 LD_VERSION_MAJOR=`echo "$LD_VERSION" | head -1 | cut -d '.' -f 1 | cut -d ' ' -f 4`
 259 LD_VERSION_MINOR=`echo "$LD_VERSION" | head -1 | cut -d '.' -f 2`
 260 if expr "$LD_VERSION_MAJOR" \> 2 > /dev/null; then
 261   LD_OK="ok"
 262 else
 263   if expr "$LD_VERSION_MAJOR" = 2 && expr "$LD_VERSION_MINOR" \>= 13 > /dev/null; then
 264     LD_OK="ok"
 265   fi
 266 fi
 267 if test "x$LD_OK" != x; then
 268   AC_MSG_RESULT([yes; major=$LD_VERSION_MAJOR, minor=$LD_VERSION_MINOR])
 269 else
 270   AC_MSG_RESULT([no; major=$LD_VERSION_MAJOR, minor=$LD_VERSION_MINOR])
 271   AC_MSG_WARN([ld <2.13 detected; enabling JV_LINKER_CANNOT_8BYTE_ALIGN_STATICS hack...])
 272   AC_DEFINE(JV_LINKER_CANNOT_8BYTE_ALIGN_STATICS, 1,
 273             [Indicate that linker is not able to 8-byte align static data])
 274 fi[]dnl
 275 ])# CHECK_FOR_BROKEN_MINGW_LD