2 # Construct makefile for libgcc.
3 # Copyright (C) 2000 Free Software Foundation, Inc.
5 # This file is part of GNU CC.
7 # Arguments, taken from the environment, since there are a lot
8 # of them, and positional args becomes quite ugly.
25 # EXTRA_MULTILIB_PARTS
32 # Make needs VPATH to be literal.
33 echo 'srcdir = @srcdir@'
34 echo 'VPATH = @srcdir@'
40 # Detect gcc as OLDCC. This indicates a target for which LIB1FUNCS
41 # is not needed. This is not quite the same as libgcc1.null, even
42 # on a target not using libgcc1-asm.a.
44 if [ "@build_canonical@" = "@target@" ]; then
51 if $OLDCC -E $tmp | grep yes > /dev/null 2>&1; then
57 # Disable SHLIB_LINK if shared libgcc not enabled.
58 if [ "@enable_shared@" = "no" ]; then
64 gcc_compile='$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) $(INCLUDES)'
65 oldcc_compile='$(OLDCC) -DIN_LIBGCC1 $(CCLIBFLAGS) $(INCLUDES)'
66 make_compile='$(MAKE) GCC_FOR_TARGET="$(GCC_FOR_TARGET)" \
67 AR_FOR_TARGET="$(AR_FOR_TARGET)" \
68 AR_CREATE_FOR_TARGET="$(AR_CREATE_FOR_TARGET)" \
69 AR_EXTRACT_FOR_TARGET="$(AR_EXTRACT_FOR_TARGET)" \
70 AR_FLAGS_FOR_TARGET="$(AR_FLAGS_FOR_TARGET)" \
71 CC="$(CC)" CFLAGS="$(CFLAGS)" \
72 HOST_PREFIX="$(HOST_PREFIX)" \
73 HOST_PREFIX_1="$(HOST_PREFIX_1)" \
74 LANGUAGES="$(LANGUAGES)"'
76 # Dependancies for libgcc1.c
77 libgcc1_c_dep='stmp-dirs $(srcdir)/libgcc1.c $(CONFIG_H)'
79 # Dependancies for libgcc2.c
80 libgcc2_c_dep='stmp-dirs $(srcdir)/libgcc2.c $(CONFIG_H) $(MACHMODE_H) longlong.h frame.h gbl-ctors.h config.status stmp-int-hdrs tsystem.h'
82 # Dependancies for fp-bit.c
83 fpbit_c_dep='stmp-dirs config.status tsystem.h'
86 # Build libgcc1 components.
96 echo "You must find a way to make libgcc1 components yourself" 1>&2
100 for name in $LIB1ASMFUNCS; do
101 for ml in $MULTILIBS; do
102 dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
103 flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
104 out="libgcc/${dir}/${name}${objext}"
106 echo ${out}: stmp-dirs '$(srcdir)/config/$(LIB1ASMSRC)'
107 echo " $gcc_compile" $flags -DL$name -xassembler-with-cpp \
108 -c '$(srcdir)/config/$(LIB1ASMSRC)' -o $out
110 # Remove any objects from LIB2FUNCS that are defined as optimized
111 # assembly code in LIB1ASMFUNCS.
112 LIB2FUNCS=`echo $LIB2FUNCS | sed -e 's/^'$name' //' \
113 -e 's/ '$name' / /' \
116 libgcc1_objs="$libgcc1_objs ${name}${objext}"
121 for name in $LIB1FUNCS; do
122 out="libgcc/${name}${objext}"
124 echo $out: $libgcc1_c_dep
125 if [ -z "@NO_MINUS_C_MINUS_O@" ]; then
126 echo " $oldcc_compile" -DL$name $flags -c '$(srcdir)/libgcc1.c' -o $out
128 echo " $oldcc_compile" -DL$name $flags -c '$(srcdir)/libgcc1.c'
129 echo " mv libgcc1${objext} $out"
132 libgcc1_objs="$libgcc1_objs ${name}${objext}"
135 for file in $LIB1FUNCS_EXTRA; do
136 name=`echo $file | sed -e 's/[.][cS]$//' -e 's/[.]asm$//'`
137 out="libgcc/${name}${objext}"
140 if [ ${name}.asm = $file ]; then
141 echo " cp $file ${name}.s"
145 if [ -z "@NO_MINUS_C_MINUS_O@" ]; then
146 echo " $oldcc_compile" -c $file -o $out
148 echo " $oldcc_compile" -c $file
149 tmp=`echo $file | sed -e 's/[.][cs]$/'${objext}/ -e 's,.*/,,'`
153 libgcc1_objs="$libgcc1_objs ${name}${objext}"
157 echo "I'm confused about libgcc1." 1>&2
163 # Build libgcc2 components.
168 for name in $LIB2FUNCS; do
169 for ml in $MULTILIBS; do
170 dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
171 flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
172 out="libgcc/${dir}/${name}${objext}"
174 echo $out: $libgcc2_c_dep
175 echo " $gcc_compile" '$(MAYBE_USE_COLLECT2)' $flags -DL$name \
176 -c '$(srcdir)/libgcc2.c' -o $out
178 libgcc2_objs="$libgcc2_objs ${name}${objext}"
181 for name in $LIB2FUNCS_EH; do
182 for ml in $MULTILIBS; do
183 dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
184 flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
185 out="libgcc/${dir}/${name}${objext}"
187 echo $out: $libgcc2_c_dep
188 echo " $gcc_compile" '$(MAYBE_USE_COLLECT2)' -fexceptions \
189 $flags -DL$name -c '$(srcdir)/libgcc2.c' -o $out
191 libgcc2_objs="$libgcc2_objs ${name}${objext}"
194 if [ "$FPBIT" ]; then
195 for name in $FPBIT_FUNCS; do
196 for ml in $MULTILIBS; do
197 dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
198 flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
199 out="libgcc/${dir}/${name}${objext}"
201 echo $out: $FPBIT $fpbit_c_dep
202 echo " $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
205 libgcc2_objs="$libgcc2_objs ${name}${objext}"
209 if [ "$DPBIT" ]; then
210 for name in $DPBIT_FUNCS; do
211 for ml in $MULTILIBS; do
212 dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
213 flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
214 out="libgcc/${dir}/${name}${objext}"
216 echo $out: $DPBIT $fpbit_c_dep
217 echo " $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
220 libgcc2_objs="$libgcc2_objs ${name}${objext}"
224 for file in $LIB2ADD; do
225 name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//' -e 's/[.]txt$//'`
226 oname=`echo $name | sed -e 's,.*/,,'`
228 if [ ${name}.txt = ${file} ]; then
232 lastout="stmp-dirs $file"
233 for ml in $MULTILIBS; do
234 dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
235 flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
236 out="libgcc/${dir}/${f}"
238 # Depend on previous out to serialize all sub-makes of this
239 # target file. This because ./$f is used as a temporary in
240 # each case before being moved to libgcc/$dir/.
242 echo " $make_compile" \\
243 echo ' LIBGCC2_CFLAGS="$(LIBGCC2_CFLAGS)' $flags '" ' \\
244 echo ' MULTILIB_CFLAGS="'$flags'"' $f
250 libgcc2_objs="$libgcc2_objs $f"
253 for ml in $MULTILIBS; do
254 dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
255 flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
256 out="libgcc/${dir}/${oname}${objext}"
257 if [ ${name}.asm = ${file} ]; then
258 flags="$flags -xassembler-with-cpp"
261 echo $out: stmp-dirs $file
262 echo " $gcc_compile" $flags -c $file -o $out
264 libgcc2_objs="$libgcc2_objs ${oname}${objext}"
270 for ml in $MULTILIBS; do
271 dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
272 flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
275 for o in $libgcc1_objs; do
276 if [ "$LIBGCC1" = libgcc1-asm.a ]; then
277 libgcc_objs="$libgcc_objs libgcc/${dir}/$o"
279 libgcc_objs="$libgcc_objs libgcc/$o"
282 for o in $libgcc2_objs; do
283 libgcc_objs="$libgcc_objs libgcc/${dir}/$o"
285 shlib_deps="$libgcc_objs"
287 if [ "$SHLIB_LINK" -a "$SHLIB_MKMAP" -a -z "$mapfile" ]; then
290 echo "${mapfile}: $SHLIB_MKMAP $SHLIB_MAPFILES $libgcc_objs"
291 echo ' { $(NM_FOR_TARGET) -pg'" $libgcc_objs; echo %%; cat $SHLIB_MAPFILES; } | "'$(AWK)'" -f $SHLIB_MKMAP > "'tmp-$@'
294 shlib_deps="$shlib_deps $mapfile"
296 # Depend on EXTRA_MULTILIB_PARTS, since that's where crtbegin/end
297 # usually are put in a true multilib situation.
298 for f in $EXTRA_MULTILIB_PARTS; do
299 shlib_deps="$shlib_deps $dir/$f"
303 echo "${dir}/libgcc.a: $libgcc_objs"
304 echo " -rm -rf ${dir}/libgcc.a"
305 echo ' $(AR_CREATE_FOR_TARGET)' ${dir}/libgcc.a $libgcc_objs
306 echo ' if $(RANLIB_TEST_FOR_TARGET) ; then' \\
307 echo ' $(RANLIB_FOR_TARGET)' ${dir}/libgcc.a ';' \\
308 echo ' else true; fi;'
310 if [ "$SHLIB_LINK" ]; then
311 if [ -z "$SHLIB_MULTILIB" ]; then
312 if [ "$dir" = "." ]; then
313 shlib_base_name="libgcc_s";
315 shlib_base_name=libgcc_s_`echo $dir | sed s,/,_,g`
318 echo "${dir}/${shlib_base_name}${SHLIB_EXT}: $shlib_deps"
319 echo " $SHLIB_LINK" \
320 | sed -e "s%@multilib_flags@%$flags%g" \
321 -e "s%@multilib_dir@%$dir%g" \
322 -e "s%@shlib_objs@%$libgcc_objs%g" \
323 -e "s%@shlib_base_name@%$shlib_base_name%g" \
324 -e "s%@shlib_map_file@%$mapfile%g"
325 elif [ "$SHLIB_MULTILIB" = "$dir" ]; then
326 shlib_base_name="libgcc_s";
328 echo "${shlib_base_name}${SHLIB_EXT}: $shlib_deps"
329 echo " $SHLIB_LINK" \
330 | sed -e "s%@multilib_flags@%$flags%g" \
331 -e "s%@multilib_dir@%$dir%g" \
332 -e "s%@shlib_objs@%$libgcc_objs%g" \
333 -e "s%@shlib_base_name@%$shlib_base_name%g" \
334 -e "s%@shlib_map_file@%$mapfile%g"
340 for ml in $MULTILIBS; do
341 dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
342 if [ $dir != . ]; then
343 dirs="$dirs libgcc/${dir}"
347 echo 'libgcc-stage-start:'
348 echo ' for dir in '"${dirs}"'; do \'
349 echo ' if [ -d $(stage)/$$dir ]; then true; else mkdir $(stage)/$$dir; fi; \'
351 echo ' -for dir in '"${dirs}"'; do \'
352 echo ' mv $$dir/*'"${objext}"' $(stage)/$$dir; \'
359 for ml in $MULTILIBS; do
360 dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
361 if [ $dir != . ]; then
362 dirs="$dirs ${dir} libgcc/${dir}"
364 all="$all ${dir}/libgcc.a"
365 if [ "$SHLIB_LINK" ]; then
366 if [ -z "$SHLIB_MULTILIB" ]; then
367 if [ "$dir" = "." ]; then
370 suff=_`echo $dir | sed s,/,_,g`
372 all="$all ${dir}/libgcc_s${suff}${SHLIB_EXT}"
373 elif [ "$SHLIB_MULTILIB" = "$dir" ]; then
374 all="$all libgcc_s${SHLIB_EXT}"
379 echo 'stmp-dirs: force'
380 echo ' for d in '"$dirs"'; do \'
381 echo ' if [ -d $$d ]; then true; else mkdir $$d; fi \'
383 echo ' if [ -f stmp-dirs ]; then true; else touch stmp-dirs; fi'
385 for f in $EXTRA_MULTILIB_PARTS; do
386 lastout="stmp-dirs force"
387 for ml in $MULTILIBS; do
388 dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
389 flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
392 # Depend on previous out to serialize all sub-makes of this
393 # target file. This because ./$f is used as a temporary in
394 # each case before being moved to libgcc/$dir/.
396 echo " $make_compile" \\
397 echo ' LIBGCC2_CFLAGS="$(LIBGCC2_CFLAGS)' $flags '" ' \\
398 echo ' MULTILIB_CFLAGS="'$flags'"' T=t t$f