sim/common/common.m4

   1 # This file contains common code used by all simulators.
   2 #
   3 # common.m4 invokes AC macros used by all simulators and by the common
   4 # directory.  It is intended to be included before any target specific
   5 # stuff.  SIM_AC_OUTPUT is a cover function to AC_OUTPUT to generate
   6 # the Makefile.  It is intended to be invoked last.
   7 #
   8 # The simulator's configure.in should look like:
   9 #
  10 # dnl Process this file with autoconf to produce a configure script.
  11 # AC_PREREQ(2.5)dnl
  12 # AC_INIT(Makefile.in)
  13 # AC_CONFIG_HEADER(config.h:config.in)
  14 #
  15 # sinclude(../common/aclocal.m4)
  16 # sinclude(../common/common.m4)
  17 #
  18 # ... target specific stuff ...
  19
  20 AC_CANONICAL_SYSTEM
  21 AC_ARG_PROGRAM
  22 AC_PROG_CC
  23 AC_PROG_INSTALL
  24
  25 # Put a plausible default for CC_FOR_BUILD in Makefile.
  26 if test "x$cross_compiling" = "xno"; then
  27   CC_FOR_BUILD='$(CC)'
  28 else
  29   CC_FOR_BUILD=gcc
  30 fi
  31 AC_SUBST(CC_FOR_BUILD)
  32
  33 AC_SUBST(CFLAGS)
  34 AC_SUBST(HDEFINES)
  35 AR=${AR-ar}
  36 AC_SUBST(AR)
  37 AC_PROG_RANLIB
  38
  39 dnl We don't use gettext, but bfd does.  So we do the appropriate checks
  40 dnl to see if there are intl libraries we should link against.
  41 ALL_LINGUAS=
  42 ZW_GNU_GETTEXT_SISTER_DIR(../../intl)
  43
  44 # Check for common headers.
  45 # FIXME: Seems to me this can cause problems for i386-windows hosts.
  46 # At one point there were hardcoded AC_DEFINE's if ${host} = i386-*-windows*.
  47 AC_CHECK_HEADERS(stdlib.h string.h strings.h unistd.h time.h)
  48 AC_CHECK_HEADERS(sys/time.h sys/resource.h)
  49 AC_CHECK_HEADERS(fcntl.h fpu_control.h)
  50 AC_CHECK_HEADERS(dlfcn.h errno.h sys/stat.h)
  51 AC_CHECK_FUNCS(getrusage time sigaction __setfpucw)
  52
  53 # Check for socket libraries
  54 AC_CHECK_LIB(socket, bind)
  55 AC_CHECK_LIB(nsl, gethostbyname)
  56
  57 # BFD conditionally uses zlib, so we must link it in if libbfd does, by
  58 # using the same condition.
  59 AM_ZLIB
  60
  61 . ${srcdir}/../../bfd/configure.host
  62
  63 dnl Standard (and optional) simulator options.
  64 dnl Eventually all simulators will support these.
  65 dnl Do not add any here that cannot be supported by all simulators.
  66 dnl Do not add similar but different options to a particular simulator,
  67 dnl all shall eventually behave the same way.
  68
  69
  70 dnl We don't use automake, but we still want to support
  71 dnl --enable-maintainer-mode.
  72 USE_MAINTAINER_MODE=no
  73 AC_ARG_ENABLE(maintainer-mode,
  74 [  --enable-maintainer-mode             Enable developer functionality.],
  75 [case "${enableval}" in
  76   yes)  MAINT="" USE_MAINTAINER_MODE=yes ;;
  77   no)   MAINT="#" ;;
  78   *)    AC_MSG_ERROR("--enable-maintainer-mode does not take a value"); MAINT="#" ;;
  79 esac
  80 if test x"$silent" != x"yes" && test x"$MAINT" = x""; then
  81   echo "Setting maintainer mode" 6>&1
  82 fi],[MAINT="#"])dnl
  83 AC_SUBST(MAINT)
  84
  85
  86 dnl This is a generic option to enable special byte swapping
  87 dnl insns on *any* cpu.
  88 AC_ARG_ENABLE(sim-bswap,
  89 [  --enable-sim-bswap                   Use Host specific BSWAP instruction.],
  90 [case "${enableval}" in
  91   yes)  sim_bswap="-DWITH_BSWAP=1 -DUSE_BSWAP=1";;
  92   no)   sim_bswap="-DWITH_BSWAP=0";;
  93   *)    AC_MSG_ERROR("--enable-sim-bswap does not take a value"); sim_bswap="";;
  94 esac
  95 if test x"$silent" != x"yes" && test x"$sim_bswap" != x""; then
  96   echo "Setting bswap flags = $sim_bswap" 6>&1
  97 fi],[sim_bswap=""])dnl
  98 AC_SUBST(sim_bswap)
  99
 100
 101 AC_ARG_ENABLE(sim-cflags,
 102 [  --enable-sim-cflags=opts             Extra CFLAGS for use in building simulator],
 103 [case "${enableval}" in
 104   yes)   sim_cflags="-O2 -fomit-frame-pointer";;
 105   trace) AC_MSG_ERROR("Please use --enable-sim-debug instead."); sim_cflags="";;
 106   no)    sim_cflags="";;
 107   *)     sim_cflags=`echo "${enableval}" | sed -e "s/,/ /g"`;;
 108 esac
 109 if test x"$silent" != x"yes" && test x"$sim_cflags" != x""; then
 110   echo "Setting sim cflags = $sim_cflags" 6>&1
 111 fi],[sim_cflags=""])dnl
 112 AC_SUBST(sim_cflags)
 113
 114
 115 dnl --enable-sim-debug is for developers of the simulator
 116 dnl the allowable values are work-in-progress
 117 AC_ARG_ENABLE(sim-debug,
 118 [  --enable-sim-debug=opts              Enable debugging flags],
 119 [case "${enableval}" in
 120   yes) sim_debug="-DDEBUG=7 -DWITH_DEBUG=7";;
 121   no)  sim_debug="-DDEBUG=0 -DWITH_DEBUG=0";;
 122   *)   sim_debug="-DDEBUG='(${enableval})' -DWITH_DEBUG='(${enableval})'";;
 123 esac
 124 if test x"$silent" != x"yes" && test x"$sim_debug" != x""; then
 125   echo "Setting sim debug = $sim_debug" 6>&1
 126 fi],[sim_debug=""])dnl
 127 AC_SUBST(sim_debug)
 128
 129
 130 dnl --enable-sim-stdio is for users of the simulator
 131 dnl It determines if IO from the program is routed through STDIO (buffered)
 132 AC_ARG_ENABLE(sim-stdio,
 133 [  --enable-sim-stdio                   Specify whether to use stdio for console input/output.],
 134 [case "${enableval}" in
 135   yes)  sim_stdio="-DWITH_STDIO=DO_USE_STDIO";;
 136   no)   sim_stdio="-DWITH_STDIO=DONT_USE_STDIO";;
 137   *)    AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-stdio"); sim_stdio="";;
 138 esac
 139 if test x"$silent" != x"yes" && test x"$sim_stdio" != x""; then
 140   echo "Setting stdio flags = $sim_stdio" 6>&1
 141 fi],[sim_stdio=""])dnl
 142 AC_SUBST(sim_stdio)
 143
 144
 145 dnl --enable-sim-trace is for users of the simulator
 146 dnl The argument is either a bitmask of things to enable [exactly what is
 147 dnl up to the simulator], or is a comma separated list of names of tracing
 148 dnl elements to enable.  The latter is only supported on simulators that
 149 dnl use WITH_TRACE.
 150 AC_ARG_ENABLE(sim-trace,
 151 [  --enable-sim-trace=opts              Enable tracing flags],
 152 [case "${enableval}" in
 153   yes)  sim_trace="-DTRACE=1 -DWITH_TRACE=-1";;
 154   no)   sim_trace="-DTRACE=0 -DWITH_TRACE=0";;
 155   [[-0-9]]*)
 156         sim_trace="-DTRACE='(${enableval})' -DWITH_TRACE='(${enableval})'";;
 157   [[a-z]]*)
 158         sim_trace=""
 159         for x in `echo "$enableval" | sed -e "s/,/ /g"`; do
 160           if test x"$sim_trace" = x; then
 161             sim_trace="-DWITH_TRACE='(TRACE_$x"
 162           else
 163             sim_trace="${sim_trace}|TRACE_$x"
 164           fi
 165         done
 166         sim_trace="$sim_trace)'" ;;
 167 esac
 168 if test x"$silent" != x"yes" && test x"$sim_trace" != x""; then
 169   echo "Setting sim trace = $sim_trace" 6>&1
 170 fi],[sim_trace=""])dnl
 171 AC_SUBST(sim_trace)
 172
 173
 174 dnl --enable-sim-profile
 175 dnl The argument is either a bitmask of things to enable [exactly what is
 176 dnl up to the simulator], or is a comma separated list of names of profiling
 177 dnl elements to enable.  The latter is only supported on simulators that
 178 dnl use WITH_PROFILE.
 179 AC_ARG_ENABLE(sim-profile,
 180 [  --enable-sim-profile=opts            Enable profiling flags],
 181 [case "${enableval}" in
 182   yes)  sim_profile="-DPROFILE=1 -DWITH_PROFILE=-1";;
 183   no)   sim_profile="-DPROFILE=0 -DWITH_PROFILE=0";;
 184   [[-0-9]]*)
 185         sim_profile="-DPROFILE='(${enableval})' -DWITH_PROFILE='(${enableval})'";;
 186   [[a-z]]*)
 187         sim_profile=""
 188         for x in `echo "$enableval" | sed -e "s/,/ /g"`; do
 189           if test x"$sim_profile" = x; then
 190             sim_profile="-DWITH_PROFILE='(PROFILE_$x"
 191           else
 192             sim_profile="${sim_profile}|PROFILE_$x"
 193           fi
 194         done
 195         sim_profile="$sim_profile)'" ;;
 196 esac
 197 if test x"$silent" != x"yes" && test x"$sim_profile" != x""; then
 198   echo "Setting sim profile = $sim_profile" 6>&1
 199 fi],[sim_profile="-DPROFILE=1 -DWITH_PROFILE=-1"])dnl
 200 AC_SUBST(sim_profile)
 201
 202 ACX_PKGVERSION([GDB])
 203 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
 204 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
 205 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
 206
 207 dnl Types used by common code
 208 AC_TYPE_SIGNAL
 209
 210 dnl Detect exe extension
 211 AC_EXEEXT
 212
 213 dnl These are available to append to as desired.
 214 sim_link_files=
 215 sim_link_links=
 216
 217 dnl Create tconfig.h either from simulator's tconfig.in or default one
 218 dnl in common.
 219 sim_link_links=tconfig.h
 220 if test -f ${srcdir}/tconfig.in
 221 then
 222   sim_link_files=tconfig.in
 223 else
 224   sim_link_files=../common/tconfig.in
 225 fi
 226
 227 # targ-vals.def points to the libc macro description file.
 228 case "${target}" in
 229 *-*-*) TARG_VALS_DEF=../common/nltvals.def ;;
 230 esac
 231 sim_link_files="${sim_link_files} ${TARG_VALS_DEF}"
 232 sim_link_links="${sim_link_links} targ-vals.def"