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f0569246 AC |
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) | |
35695fd6 | 13 | # AC_CONFIG_HEADER(config.h:config.in) |
f0569246 | 14 | # |
35695fd6 | 15 | # sinclude(../common/aclocal.m4) |
f0569246 AC |
16 | # sinclude(../common/common.m4) |
17 | # | |
18 | # ... target specific stuff ... | |
19 | ||
f0569246 AC |
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= | |
e85e3205 | 42 | ZW_GNU_GETTEXT_SISTER_DIR(../../intl) |
f0569246 AC |
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 | ||
199 | dnl Types used by common code | |
200 | AC_TYPE_SIGNAL | |
201 | ||
202 | dnl Detect exe extension | |
203 | AC_EXEEXT | |
204 | ||
205 | dnl These are available to append to as desired. | |
206 | sim_link_files= | |
207 | sim_link_links= | |
208 | ||
209 | dnl Create tconfig.h either from simulator's tconfig.in or default one | |
210 | dnl in common. | |
211 | sim_link_links=tconfig.h | |
212 | if test -f ${srcdir}/tconfig.in | |
213 | then | |
214 | sim_link_files=tconfig.in | |
215 | else | |
216 | sim_link_files=../common/tconfig.in | |
217 | fi | |
218 | ||
219 | # targ-vals.def points to the libc macro description file. | |
220 | case "${target}" in | |
221 | *-*-*) TARG_VALS_DEF=../common/nltvals.def ;; | |
222 | esac | |
223 | sim_link_files="${sim_link_files} ${TARG_VALS_DEF}" | |
224 | sim_link_links="${sim_link_links} targ-vals.def" |