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 . ${srcdir}/../../bfd/configure.host
  58
  59 dnl Standard (and optional) simulator options.
  60 dnl Eventually all simulators will support these.
  61 dnl Do not add any here that cannot be supported by all simulators.
  62 dnl Do not add similar but different options to a particular simulator,
  63 dnl all shall eventually behave the same way.
  64
  65
  66 dnl We don't use automake, but we still want to support
  67 dnl --enable-maintainer-mode.
  68 USE_MAINTAINER_MODE=no
  69 AC_ARG_ENABLE(maintainer-mode,
  70 [  --enable-maintainer-mode             Enable developer functionality.],
  71 [case "${enableval}" in
  72   yes)  MAINT="" USE_MAINTAINER_MODE=yes ;;
  73   no)   MAINT="#" ;;
  74   *)    AC_MSG_ERROR("--enable-maintainer-mode does not take a value"); MAINT="#" ;;
  75 esac
  76 if test x"$silent" != x"yes" && test x"$MAINT" = x""; then
  77   echo "Setting maintainer mode" 6>&1
  78 fi],[MAINT="#"])dnl
  79 AC_SUBST(MAINT)
  80
  81
  82 dnl This is a generic option to enable special byte swapping
  83 dnl insns on *any* cpu.
  84 AC_ARG_ENABLE(sim-bswap,
  85 [  --enable-sim-bswap                   Use Host specific BSWAP instruction.],
  86 [case "${enableval}" in
  87   yes)  sim_bswap="-DWITH_BSWAP=1 -DUSE_BSWAP=1";;
  88   no)   sim_bswap="-DWITH_BSWAP=0";;
  89   *)    AC_MSG_ERROR("--enable-sim-bswap does not take a value"); sim_bswap="";;
  90 esac
  91 if test x"$silent" != x"yes" && test x"$sim_bswap" != x""; then
  92   echo "Setting bswap flags = $sim_bswap" 6>&1
  93 fi],[sim_bswap=""])dnl
  94 AC_SUBST(sim_bswap)
  95
  96
  97 AC_ARG_ENABLE(sim-cflags,
  98 [  --enable-sim-cflags=opts             Extra CFLAGS for use in building simulator],
  99 [case "${enableval}" in
 100   yes)   sim_cflags="-O2 -fomit-frame-pointer";;
 101   trace) AC_MSG_ERROR("Please use --enable-sim-debug instead."); sim_cflags="";;
 102   no)    sim_cflags="";;
 103   *)     sim_cflags=`echo "${enableval}" | sed -e "s/,/ /g"`;;
 104 esac
 105 if test x"$silent" != x"yes" && test x"$sim_cflags" != x""; then
 106   echo "Setting sim cflags = $sim_cflags" 6>&1
 107 fi],[sim_cflags=""])dnl
 108 AC_SUBST(sim_cflags)
 109
 110
 111 dnl --enable-sim-debug is for developers of the simulator
 112 dnl the allowable values are work-in-progress
 113 AC_ARG_ENABLE(sim-debug,
 114 [  --enable-sim-debug=opts              Enable debugging flags],
 115 [case "${enableval}" in
 116   yes) sim_debug="-DDEBUG=7 -DWITH_DEBUG=7";;
 117   no)  sim_debug="-DDEBUG=0 -DWITH_DEBUG=0";;
 118   *)   sim_debug="-DDEBUG='(${enableval})' -DWITH_DEBUG='(${enableval})'";;
 119 esac
 120 if test x"$silent" != x"yes" && test x"$sim_debug" != x""; then
 121   echo "Setting sim debug = $sim_debug" 6>&1
 122 fi],[sim_debug=""])dnl
 123 AC_SUBST(sim_debug)
 124
 125
 126 dnl --enable-sim-stdio is for users of the simulator
 127 dnl It determines if IO from the program is routed through STDIO (buffered)
 128 AC_ARG_ENABLE(sim-stdio,
 129 [  --enable-sim-stdio                   Specify whether to use stdio for console input/output.],
 130 [case "${enableval}" in
 131   yes)  sim_stdio="-DWITH_STDIO=DO_USE_STDIO";;
 132   no)   sim_stdio="-DWITH_STDIO=DONT_USE_STDIO";;
 133   *)    AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-stdio"); sim_stdio="";;
 134 esac
 135 if test x"$silent" != x"yes" && test x"$sim_stdio" != x""; then
 136   echo "Setting stdio flags = $sim_stdio" 6>&1
 137 fi],[sim_stdio=""])dnl
 138 AC_SUBST(sim_stdio)
 139
 140
 141 dnl --enable-sim-trace is for users of the simulator
 142 dnl The argument is either a bitmask of things to enable [exactly what is
 143 dnl up to the simulator], or is a comma separated list of names of tracing
 144 dnl elements to enable.  The latter is only supported on simulators that
 145 dnl use WITH_TRACE.
 146 AC_ARG_ENABLE(sim-trace,
 147 [  --enable-sim-trace=opts              Enable tracing flags],
 148 [case "${enableval}" in
 149   yes)  sim_trace="-DTRACE=1 -DWITH_TRACE=-1";;
 150   no)   sim_trace="-DTRACE=0 -DWITH_TRACE=0";;
 151   [[-0-9]]*)
 152         sim_trace="-DTRACE='(${enableval})' -DWITH_TRACE='(${enableval})'";;
 153   [[a-z]]*)
 154         sim_trace=""
 155         for x in `echo "$enableval" | sed -e "s/,/ /g"`; do
 156           if test x"$sim_trace" = x; then
 157             sim_trace="-DWITH_TRACE='(TRACE_$x"
 158           else
 159             sim_trace="${sim_trace}|TRACE_$x"
 160           fi
 161         done
 162         sim_trace="$sim_trace)'" ;;
 163 esac
 164 if test x"$silent" != x"yes" && test x"$sim_trace" != x""; then
 165   echo "Setting sim trace = $sim_trace" 6>&1
 166 fi],[sim_trace=""])dnl
 167 AC_SUBST(sim_trace)
 168
 169
 170 dnl --enable-sim-profile
 171 dnl The argument is either a bitmask of things to enable [exactly what is
 172 dnl up to the simulator], or is a comma separated list of names of profiling
 173 dnl elements to enable.  The latter is only supported on simulators that
 174 dnl use WITH_PROFILE.
 175 AC_ARG_ENABLE(sim-profile,
 176 [  --enable-sim-profile=opts            Enable profiling flags],
 177 [case "${enableval}" in
 178   yes)  sim_profile="-DPROFILE=1 -DWITH_PROFILE=-1";;
 179   no)   sim_profile="-DPROFILE=0 -DWITH_PROFILE=0";;
 180   [[-0-9]]*)
 181         sim_profile="-DPROFILE='(${enableval})' -DWITH_PROFILE='(${enableval})'";;
 182   [[a-z]]*)
 183         sim_profile=""
 184         for x in `echo "$enableval" | sed -e "s/,/ /g"`; do
 185           if test x"$sim_profile" = x; then
 186             sim_profile="-DWITH_PROFILE='(PROFILE_$x"
 187           else
 188             sim_profile="${sim_profile}|PROFILE_$x"
 189           fi
 190         done
 191         sim_profile="$sim_profile)'" ;;
 192 esac
 193 if test x"$silent" != x"yes" && test x"$sim_profile" != x""; then
 194   echo "Setting sim profile = $sim_profile" 6>&1
 195 fi],[sim_profile="-DPROFILE=1 -DWITH_PROFILE=-1"])dnl
 196 AC_SUBST(sim_profile)
 197
 198 ACX_PKGVERSION([GDB])
 199 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
 200 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
 201 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
 202
 203 dnl Types used by common code
 204 AC_TYPE_SIGNAL
 205
 206 dnl Detect exe extension
 207 AC_EXEEXT
 208
 209 dnl These are available to append to as desired.
 210 sim_link_files=
 211 sim_link_links=
 212
 213 dnl Create tconfig.h either from simulator's tconfig.in or default one
 214 dnl in common.
 215 sim_link_links=tconfig.h
 216 if test -f ${srcdir}/tconfig.in
 217 then
 218   sim_link_files=tconfig.in
 219 else
 220   sim_link_files=../common/tconfig.in
 221 fi
 222
 223 # targ-vals.def points to the libc macro description file.
 224 case "${target}" in
 225 *-*-*) TARG_VALS_DEF=../common/nltvals.def ;;
 226 esac
 227 sim_link_files="${sim_link_files} ${TARG_VALS_DEF}"
 228 sim_link_links="${sim_link_links} targ-vals.def"