boehm-gc/configure.in

   1 dnl Process this file with autoconf to produce configure.
   2
   3 AC_INIT(gc_mark.h)
   4
   5 dnl Can't be done in BOEHM_CONFIGURE because that confuses automake.
   6 AC_CONFIG_AUX_DIR(..)
   7
   8 AC_CANONICAL_SYSTEM
   9
  10 BOEHM_CONFIGURE(.)
  11
  12 AM_PROG_LIBTOOL
  13
  14 dnl We use these options to decide which functions to include.
  15 AC_ARG_WITH(target-subdir,
  16 [  --with-target-subdir=SUBDIR
  17                           configuring with a cross compiler])
  18 AC_ARG_WITH(cross-host,
  19 [  --with-cross-host=HOST  configuring with a cross compiler])
  20
  21 AM_MAINTAINER_MODE
  22 # automake wants to see AC_EXEEXT.  But we don't need it.  And having
  23 # it is actually a problem, because the compiler we're passed can't
  24 # necessarily do a full link.  So we fool automake here.
  25 if test "x" = "y"; then
  26    AC_EXEEXT
  27 fi
  28
  29 AC_MSG_CHECKING([for threads package to use])
  30 AC_ARG_ENABLE(threads, [  --enable-threads=TYPE   choose threading package],
  31   THREADS=$enableval,
  32   dnl FIXME: figure out native threads to use here.
  33   THREADS=no)
  34
  35 if test "$THREADS" = yes; then
  36    case "$host" in
  37     *-*-vxworks*)
  38        THREADS=vxworks
  39        ;;
  40     *-*-linux*)
  41        # FIXME: this isn't correct in all cases.
  42        THREADS=posix
  43        ;;
  44     *-*-win*)
  45        THREADS=win32
  46        ;;
  47     *-*-irix*)
  48        # FIXME: for now, choose POSIX, because we implement that.
  49        # Later, choose irix threads.
  50        THREADS=posix
  51        ;;
  52     *-*-solaris*)
  53        # FIXME: for now, choose POSIX, because we implement that.
  54        # Later, choose solaris threads.
  55        THREADS=posix
  56        ;;
  57     *)
  58        # For now.
  59        THREADS=none
  60        ;;
  61    esac
  62 fi
  63
  64 INCLUDES=
  65 THREADLIB=
  66 case "$THREADS" in
  67  no | none | single)
  68     THREADS=none
  69     ;;
  70  posix | pthreads)
  71     THREADS=posix
  72     case "$host" in
  73      *-*-linux*)
  74         AC_DEFINE(LINUX_THREADS)
  75         AC_DEFINE(_REENTRANT)
  76         ;;
  77      *-*-solaris*)
  78         AC_DEFINE(SOLARIS_THREADS)
  79         AC_DEFINE(_SOLARIS_PTHREADS)
  80         ;;
  81      *-*-irix*)
  82         AC_DEFINE(IRIX_THREADS)
  83         ;;
  84     esac
  85     THREADLIB=-lpthread
  86     ;;
  87  decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks)
  88     AC_MSG_ERROR(thread package $THREADS not yet supported)
  89     ;;
  90  *)
  91     AC_MSG_ERROR($THREADS is an unknown thread package)
  92     ;;
  93 esac
  94 AC_MSG_RESULT($THREADS)
  95 AC_SUBST(THREADLIB)
  96
  97 AC_ARG_ENABLE(java-gc,
  98 changequote(<<,>>)dnl
  99 <<  --enable-java-gc=TYPE   choose garbage collector [boehm]>>,
 100 changequote([,])
 101   GC=$enableval,
 102   GC=boehm)
 103 target_all=
 104 if test "$GC" = "boehm"; then
 105    target_all=libgcjgc.la
 106 fi
 107 AC_SUBST(target_all)
 108
 109 dnl If the target is an eCos system, use the appropriate eCos
 110 dnl I/O routines.
 111 dnl FIXME: this should not be a local option but a global target
 112 dnl system; at present there is no eCos target.
 113 TARGET_ECOS="no"
 114 AC_ARG_WITH(ecos,
 115 [  --with-ecos             enable runtime eCos target support],
 116 TARGET_ECOS="$with_ecos"
 117 )
 118
 119 addobjs=
 120 CXXINCLUDES=
 121 case "$TARGET_ECOS" in
 122    no)
 123       ;;
 124    *)
 125       AC_DEFINE(ECOS)
 126       CXXINCLUDES="-I${TARGET_ECOS}/include"
 127       addobjs="$addobjs ecos.lo"
 128       ;;
 129 esac
 130 AC_SUBST(CXX)
 131
 132 AC_SUBST(INCLUDES)
 133 AC_SUBST(CXXINCLUDES)
 134
 135 machdep=
 136 case "$host" in
 137  alpha*-*-*)
 138     machdep="alpha_mach_dep.lo"
 139     ;;
 140  mipstx39-*-elf*)
 141     machdep="mips_ultrix_mach_dep.lo"
 142     AC_DEFINE(STACKBASE, __stackbase)
 143     AC_DEFINE(DATASTART_IS_ETEXT)
 144     ;;
 145  mips-dec-ultrix*)
 146     machdep="mips_ultrix_mach-dep.lo"
 147     ;;
 148  mips-*-*)
 149     machdep="mips_sgi_mach_dep.lo"
 150     AC_DEFINE(NO_EXECUTE_PERMISSION)
 151     ;;
 152  sparc-sun-solaris2.3*)
 153     AC_DEFINE(SUNOS53_SHARED_LIB)
 154     ;;
 155 esac
 156 if test x"$machdep" = x; then
 157    machdep="mach_dep.lo"
 158 fi
 159 addobjs="$addobjs $machdep"
 160 AC_SUBST(addobjs)
 161
 162 dnl As of 4.13a2, the collector will not properly work on Solaris when
 163 dnl built with gcc and -O.  So we remove -O in the appropriate case.
 164 case "$host" in
 165  sparc-sun-solaris2*)
 166     if test "$GCC" = yes; then
 167        new_CFLAGS=
 168        for i in $CFLAGS; do
 169           case "$i" in
 170            -O*)
 171               ;;
 172            *)
 173               new_CFLAGS="$new_CFLAGS $i"
 174               ;;
 175           esac
 176        done
 177        CFLAGS="$new_CFLAGS"
 178     fi
 179     ;;
 180 esac
 181
 182 dnl We need to override the top-level CFLAGS.  This is how we do it.
 183 MY_CFLAGS="$CFLAGS"
 184 AC_SUBST(MY_CFLAGS)
 185
 186 dnl Define a few things to retarget the library towards
 187 dnl embedded Java.
 188 AC_DEFINE(SILENT)
 189 AC_DEFINE(NO_SIGNALS)
 190 AC_DEFINE(NO_DEBUGGING)
 191 AC_DEFINE(JAVA_FINALIZATION)
 192
 193 dnl This is something of a hack.  When cross-compiling we turn off
 194 dnl some functionality.  We also enable the "small" configuration.
 195 dnl These is only correct when targetting an embedded system.  FIXME.
 196 if test -n "${with_cross_host}"; then
 197    AC_DEFINE(NO_SIGSET)
 198    AC_DEFINE(NO_CLOCK)
 199    AC_DEFINE(SMALL_CONFIG)
 200 fi
 201
 202 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
 203
 204 if test "${multilib}" = "yes"; then
 205   multilib_arg="--enable-multilib"
 206 else
 207   multilib_arg=
 208 fi
 209
 210 AC_OUTPUT(Makefile,
 211 [
 212 dnl Put all the -D options in a file.  These are required before
 213 dnl boehm-config.h can be included.  This is a huge hack brought
 214 dnl about by overall poor structuring of this entire library.
 215 echo "$DEFS" > boehm-cflags
 216
 217 if test -n "$CONFIG_FILES"; then
 218   ac_file=Makefile . ${boehm_gc_basedir}/../config-ml.in
 219 fi],
 220 srcdir=${srcdir}
 221 host=${host}
 222 target=${target}
 223 with_multisubdir=${with_multisubdir}
 224 ac_configure_args="${multilib_arg} ${ac_configure_args}"
 225 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
 226 boehm_gc_basedir=${boehm_gc_basedir}
 227 CC="${CC}"
 228 DEFS="$DEFS"
 229 )