224 lines
7.1 KiB
Text
224 lines
7.1 KiB
Text
# This file contains common code used by all simulators.
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#
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# common.m4 invokes AC macros used by all simulators and by the common
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# directory. It is intended to be included before any target specific
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# stuff. SIM_AC_OUTPUT is a cover function to AC_OUTPUT to generate
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# the Makefile. It is intended to be invoked last.
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#
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# The simulator's configure.in should look like:
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#
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# dnl Process this file with autoconf to produce a configure script.
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# AC_PREREQ(2.5)dnl
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# AC_INIT(Makefile.in)
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# AC_CONFIG_HEADER(config.h:config.in)
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#
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# sinclude(../common/aclocal.m4)
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# sinclude(../common/common.m4)
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#
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# ... target specific stuff ...
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AC_CANONICAL_SYSTEM
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AC_ARG_PROGRAM
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AC_PROG_CC
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AC_PROG_INSTALL
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# Put a plausible default for CC_FOR_BUILD in Makefile.
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if test "x$cross_compiling" = "xno"; then
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CC_FOR_BUILD='$(CC)'
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else
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CC_FOR_BUILD=gcc
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fi
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AC_SUBST(CC_FOR_BUILD)
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AC_SUBST(CFLAGS)
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AC_SUBST(HDEFINES)
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AR=${AR-ar}
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AC_SUBST(AR)
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AC_PROG_RANLIB
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dnl We don't use gettext, but bfd does. So we do the appropriate checks
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dnl to see if there are intl libraries we should link against.
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ALL_LINGUAS=
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ZW_GNU_GETTEXT_SISTER_DIR(../../intl)
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# Check for common headers.
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# FIXME: Seems to me this can cause problems for i386-windows hosts.
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# At one point there were hardcoded AC_DEFINE's if ${host} = i386-*-windows*.
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AC_CHECK_HEADERS(stdlib.h string.h strings.h unistd.h time.h)
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AC_CHECK_HEADERS(sys/time.h sys/resource.h)
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AC_CHECK_HEADERS(fcntl.h fpu_control.h)
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AC_CHECK_HEADERS(dlfcn.h errno.h sys/stat.h)
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AC_CHECK_FUNCS(getrusage time sigaction __setfpucw)
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# Check for socket libraries
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AC_CHECK_LIB(socket, bind)
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AC_CHECK_LIB(nsl, gethostbyname)
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. ${srcdir}/../../bfd/configure.host
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dnl Standard (and optional) simulator options.
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dnl Eventually all simulators will support these.
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dnl Do not add any here that cannot be supported by all simulators.
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dnl Do not add similar but different options to a particular simulator,
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dnl all shall eventually behave the same way.
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dnl We don't use automake, but we still want to support
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dnl --enable-maintainer-mode.
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USE_MAINTAINER_MODE=no
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AC_ARG_ENABLE(maintainer-mode,
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[ --enable-maintainer-mode Enable developer functionality.],
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[case "${enableval}" in
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yes) MAINT="" USE_MAINTAINER_MODE=yes ;;
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no) MAINT="#" ;;
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*) AC_MSG_ERROR("--enable-maintainer-mode does not take a value"); MAINT="#" ;;
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esac
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if test x"$silent" != x"yes" && test x"$MAINT" = x""; then
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echo "Setting maintainer mode" 6>&1
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fi],[MAINT="#"])dnl
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AC_SUBST(MAINT)
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dnl This is a generic option to enable special byte swapping
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dnl insns on *any* cpu.
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AC_ARG_ENABLE(sim-bswap,
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[ --enable-sim-bswap Use Host specific BSWAP instruction.],
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[case "${enableval}" in
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yes) sim_bswap="-DWITH_BSWAP=1 -DUSE_BSWAP=1";;
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no) sim_bswap="-DWITH_BSWAP=0";;
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*) AC_MSG_ERROR("--enable-sim-bswap does not take a value"); sim_bswap="";;
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esac
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if test x"$silent" != x"yes" && test x"$sim_bswap" != x""; then
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echo "Setting bswap flags = $sim_bswap" 6>&1
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fi],[sim_bswap=""])dnl
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AC_SUBST(sim_bswap)
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AC_ARG_ENABLE(sim-cflags,
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[ --enable-sim-cflags=opts Extra CFLAGS for use in building simulator],
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[case "${enableval}" in
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yes) sim_cflags="-O2 -fomit-frame-pointer";;
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trace) AC_MSG_ERROR("Please use --enable-sim-debug instead."); sim_cflags="";;
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no) sim_cflags="";;
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*) sim_cflags=`echo "${enableval}" | sed -e "s/,/ /g"`;;
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esac
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if test x"$silent" != x"yes" && test x"$sim_cflags" != x""; then
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echo "Setting sim cflags = $sim_cflags" 6>&1
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fi],[sim_cflags=""])dnl
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AC_SUBST(sim_cflags)
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dnl --enable-sim-debug is for developers of the simulator
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dnl the allowable values are work-in-progress
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AC_ARG_ENABLE(sim-debug,
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[ --enable-sim-debug=opts Enable debugging flags],
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[case "${enableval}" in
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yes) sim_debug="-DDEBUG=7 -DWITH_DEBUG=7";;
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no) sim_debug="-DDEBUG=0 -DWITH_DEBUG=0";;
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*) sim_debug="-DDEBUG='(${enableval})' -DWITH_DEBUG='(${enableval})'";;
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esac
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if test x"$silent" != x"yes" && test x"$sim_debug" != x""; then
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echo "Setting sim debug = $sim_debug" 6>&1
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fi],[sim_debug=""])dnl
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AC_SUBST(sim_debug)
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dnl --enable-sim-stdio is for users of the simulator
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dnl It determines if IO from the program is routed through STDIO (buffered)
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AC_ARG_ENABLE(sim-stdio,
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[ --enable-sim-stdio Specify whether to use stdio for console input/output.],
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[case "${enableval}" in
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yes) sim_stdio="-DWITH_STDIO=DO_USE_STDIO";;
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no) sim_stdio="-DWITH_STDIO=DONT_USE_STDIO";;
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*) AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-stdio"); sim_stdio="";;
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esac
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if test x"$silent" != x"yes" && test x"$sim_stdio" != x""; then
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echo "Setting stdio flags = $sim_stdio" 6>&1
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fi],[sim_stdio=""])dnl
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AC_SUBST(sim_stdio)
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dnl --enable-sim-trace is for users of the simulator
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dnl The argument is either a bitmask of things to enable [exactly what is
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dnl up to the simulator], or is a comma separated list of names of tracing
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dnl elements to enable. The latter is only supported on simulators that
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dnl use WITH_TRACE.
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AC_ARG_ENABLE(sim-trace,
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[ --enable-sim-trace=opts Enable tracing flags],
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[case "${enableval}" in
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yes) sim_trace="-DTRACE=1 -DWITH_TRACE=-1";;
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no) sim_trace="-DTRACE=0 -DWITH_TRACE=0";;
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[[-0-9]]*)
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sim_trace="-DTRACE='(${enableval})' -DWITH_TRACE='(${enableval})'";;
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[[a-z]]*)
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sim_trace=""
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for x in `echo "$enableval" | sed -e "s/,/ /g"`; do
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if test x"$sim_trace" = x; then
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sim_trace="-DWITH_TRACE='(TRACE_$x"
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else
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sim_trace="${sim_trace}|TRACE_$x"
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fi
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done
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sim_trace="$sim_trace)'" ;;
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esac
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if test x"$silent" != x"yes" && test x"$sim_trace" != x""; then
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echo "Setting sim trace = $sim_trace" 6>&1
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fi],[sim_trace=""])dnl
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AC_SUBST(sim_trace)
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dnl --enable-sim-profile
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dnl The argument is either a bitmask of things to enable [exactly what is
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dnl up to the simulator], or is a comma separated list of names of profiling
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dnl elements to enable. The latter is only supported on simulators that
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dnl use WITH_PROFILE.
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AC_ARG_ENABLE(sim-profile,
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[ --enable-sim-profile=opts Enable profiling flags],
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[case "${enableval}" in
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yes) sim_profile="-DPROFILE=1 -DWITH_PROFILE=-1";;
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no) sim_profile="-DPROFILE=0 -DWITH_PROFILE=0";;
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[[-0-9]]*)
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sim_profile="-DPROFILE='(${enableval})' -DWITH_PROFILE='(${enableval})'";;
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[[a-z]]*)
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sim_profile=""
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for x in `echo "$enableval" | sed -e "s/,/ /g"`; do
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if test x"$sim_profile" = x; then
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sim_profile="-DWITH_PROFILE='(PROFILE_$x"
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else
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sim_profile="${sim_profile}|PROFILE_$x"
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fi
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done
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sim_profile="$sim_profile)'" ;;
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esac
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if test x"$silent" != x"yes" && test x"$sim_profile" != x""; then
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echo "Setting sim profile = $sim_profile" 6>&1
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fi],[sim_profile="-DPROFILE=1 -DWITH_PROFILE=-1"])dnl
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AC_SUBST(sim_profile)
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dnl Types used by common code
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AC_TYPE_SIGNAL
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dnl Detect exe extension
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AC_EXEEXT
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dnl These are available to append to as desired.
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sim_link_files=
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sim_link_links=
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dnl Create tconfig.h either from simulator's tconfig.in or default one
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dnl in common.
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sim_link_links=tconfig.h
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if test -f ${srcdir}/tconfig.in
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then
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sim_link_files=tconfig.in
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else
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sim_link_files=../common/tconfig.in
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fi
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# targ-vals.def points to the libc macro description file.
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case "${target}" in
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*-*-*) TARG_VALS_DEF=../common/nltvals.def ;;
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esac
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sim_link_files="${sim_link_files} ${TARG_VALS_DEF}"
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sim_link_links="${sim_link_links} targ-vals.def"
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