59
# Get the directory component of the given path, and save it in the
60
# global variables '$dir'. Note that this directory component will
61
# be either empty or ending with a '/' character. This is deliberate.
65
*/*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
70
# Get the suffix-stripped basename of the given path, and save it the
71
# global variable '$base'.
74
base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
77
# If no dependency file was actually created by the compiler invocation,
78
# we still have to create a dummy depfile, to avoid errors with the
79
# Makefile "include basename.Plo" scheme.
82
echo "#dummy" > "$depfile"
85
# Factor out some common post-processing of the generated depfile.
86
# Requires the auxiliary global variable '$tmpdepfile' to be set.
87
aix_post_process_depfile ()
89
# If the compiler actually managed to produce a dependency file,
91
if test -f "$tmpdepfile"; then
92
# Each line is of the form 'foo.o: dependency.h'.
93
# Do two passes, one to just change these to
94
# $object: dependency.h
95
# and one to simply output
97
# which is needed to avoid the deleted-header problem.
98
{ sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
99
sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
107
# A tabulation character.
109
# A newline character.
112
# Character ranges might be problematic outside the C locale.
113
# These definitions help.
114
upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
115
lower=abcdefghijklmnopqrstuvwxyz
117
alpha=${upper}${lower}
60
119
if test -z "$depmode" || test -z "$source" || test -z "$object"; then
61
120
echo "depcomp: Variables source, object and depmode must be set" 1>&2
82
144
if test "$depmode" = dashXmstdout; then
83
# This is just like dashmstdout with a different argument.
145
# This is just like dashmstdout with a different argument.
88
150
cygpath_u="cygpath -u -f -"
89
151
if test "$depmode" = msvcmsys; then
90
# This is just like msvisualcpp but w/o cygpath translation.
91
# Just convert the backslash-escaped backslashes to single forward
92
# slashes to satisfy depend.m4
93
cygpath_u="sed s,\\\\\\\\,/,g"
152
# This is just like msvisualcpp but w/o cygpath translation.
153
# Just convert the backslash-escaped backslashes to single forward
154
# slashes to satisfy depend.m4
155
cygpath_u='sed s,\\\\,/,g'
159
if test "$depmode" = msvc7msys; then
160
# This is just like msvc7 but w/o cygpath translation.
161
# Just convert the backslash-escaped backslashes to single forward
162
# slashes to satisfy depend.m4
163
cygpath_u='sed s,\\\\,/,g'
167
if test "$depmode" = xlc; then
168
# IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
169
gccflag=-qmakedep=gcc,-MF
97
173
case "$depmode" in
138
217
"$@" -Wp,"$gccflag$tmpdepfile"
140
if test $stat -eq 0; then :
219
if test $stat -ne 0; then
142
220
rm -f "$tmpdepfile"
146
224
echo "$object : \\" > "$depfile"
147
alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
148
## The second -e expression handles DOS-style file names with drive letters.
225
# The second -e expression handles DOS-style file names with drive
149
227
sed -e 's/^[^:]*: / /' \
150
228
-e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
151
## This next piece of magic avoids the `deleted header file' problem.
229
## This next piece of magic avoids the "deleted header file" problem.
152
230
## The problem is that when a header file which appears in a .P file
153
231
## is deleted, the dependency causes make to die (because there is
154
232
## typically no way to rebuild the header). We avoid this by adding
155
233
## dummy dependencies for each header file. Too bad gcc doesn't do
156
234
## this for us directly.
159
## Some versions of gcc put a space before the `:'. On the theory
235
## Some versions of gcc put a space before the ':'. On the theory
160
236
## that the space means something, we add a space to the output as
237
## well. hp depmode also adds that space, but also prefixes the VPATH
238
## to the object. Take care to not repeat it in the output.
162
239
## Some versions of the HPUX 10.20 sed can't process this invocation
163
240
## correctly. Breaking it into two sed invocations is a workaround.
164
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
241
tr ' ' "$nl" < "$tmpdepfile" \
242
| sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
243
| sed -e 's/$/ :/' >> "$depfile"
165
244
rm -f "$tmpdepfile"
189
267
if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
190
268
echo "$object : \\" > "$depfile"
192
269
# Clip off the initial element (the dependent). Don't try to be
193
270
# clever and replace this with sed code, as IRIX sed won't handle
194
271
# lines with more than a fixed number of characters (4096 in
195
272
# IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
196
# the IRIX cc adds comments like `#:fec' to the end of the
273
# the IRIX cc adds comments like '#:fec' to the end of the
197
274
# dependency line.
200
| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
275
tr ' ' "$nl" < "$tmpdepfile" \
276
| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
277
| tr "$nl" ' ' >> "$depfile"
203
278
echo >> "$depfile"
205
279
# The second pass generates a dummy entry for each header file.
208
| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
280
tr ' ' "$nl" < "$tmpdepfile" \
281
| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
211
# The sourcefile does not contain any dependencies, so just
212
# store a dummy comment line, to avoid errors with the Makefile
213
# "include basename.Plo" scheme.
214
echo "#dummy" > "$depfile"
216
286
rm -f "$tmpdepfile"
290
# This case exists only to let depend.m4 do its work. It works by
291
# looking at the text of this script. This case will never be run,
292
# since it is checked for above.
220
297
# The C for AIX Compiler uses -M and outputs the dependencies
221
298
# in a .u file. In older versions, this file always lives in the
222
# current directory. Also, the AIX compiler puts `$object:' at the
299
# current directory. Also, the AIX compiler puts '$object:' at the
223
300
# start of each line; $object doesn't have directory information.
224
301
# Version 6 uses the directory in both cases.
225
dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
226
test "x$dir" = "x$object" && dir=
227
base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
302
set_dir_from "$object"
303
set_base_from "$object"
228
304
if test "$libtool" = yes; then
229
305
tmpdepfile1=$dir$base.u
230
306
tmpdepfile2=$base.u
249
323
test -f "$tmpdepfile" && break
251
if test -f "$tmpdepfile"; then
252
# Each line is of the form `foo.o: dependent.h'.
253
# Do two passes, one to just change these to
254
# `$object: dependent.h' and one to simply `dependent.h:'.
255
sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
256
# That's a tab and a space in the [].
257
sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
259
# The sourcefile does not contain any dependencies, so just
260
# store a dummy comment line, to avoid errors with the Makefile
261
# "include basename.Plo" scheme.
262
echo "#dummy" > "$depfile"
325
aix_post_process_depfile
329
# tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
330
# FIXME: That version still under development at the moment of writing.
331
# Make that this statement remains true also for stable, released
333
# It will wrap lines (doesn't matter whether long or short) with a
334
# trailing '\', as in:
340
# It will put a trailing '\' even on the last line, and will use leading
341
# spaces rather than leading tabs (at least since its commit 0394caf7
342
# "Emit spaces for -MD").
343
"$@" -MD -MF "$tmpdepfile"
345
if test $stat -ne 0; then
350
# Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
351
# We have to change lines of the first kind to '$object: \'.
352
sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
353
# And for each line of the second kind, we have to emit a 'dep.h:'
354
# dummy dependency, to avoid the deleted-header problem.
355
sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
264
356
rm -f "$tmpdepfile"
268
# Intel's C compiler understands `-MD -MF file'. However on
269
# icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
270
# ICC 7.0 will fill foo.d with something like
273
# which is wrong. We want:
274
# sub/foo.o: sub/foo.c
275
# sub/foo.o: sub/foo.h
278
# ICC 7.1 will output
359
## The order of this option in the case statement is important, since the
360
## shell code in configure will try each of these formats in the order
361
## listed in this file. A plain '-MD' option would be understood by many
362
## compilers, so we must ensure this comes after the gcc and icc options.
364
# Portland's C compiler understands '-MD'.
365
# Will always output deps to 'file.d' where file is the root name of the
366
# source file under compilation, even if file resides in a subdirectory.
367
# The object file name does not affect the name of the '.d' file.
368
# pgcc 10.2 will output
279
369
# foo.o: sub/foo.c sub/foo.h
280
# and will wrap long lines using \ :
370
# and will wrap long lines using '\' :
281
371
# foo.o: sub/foo.c ... \
282
372
# sub/foo.h ... \
285
"$@" -MD -MF "$tmpdepfile"
287
if test $stat -eq 0; then :
374
set_dir_from "$object"
375
# Use the source, not the object, to determine the base name, since
376
# that's sadly what pgcc will do too.
377
set_base_from "$source"
380
# For projects that build the same source file twice into different object
381
# files, the pgcc approach of using the *source* file root name can cause
382
# problems in parallel builds. Use a locking strategy to avoid stomping on
383
# the same $tmpdepfile.
386
echo '$0: caught signal, cleaning up...' >&2
392
while test $i -gt 0; do
393
# mkdir is a portable test-and-set.
394
if mkdir "$lockdir" 2>/dev/null; then
395
# This process acquired the lock.
402
# If the lock is being held by a different process, wait
403
# until the winning process is done or we timeout.
404
while test -d "$lockdir" && test $i -gt 0; do
412
if test $i -le 0; then
413
echo "$0: failed to acquire lock after $numtries attempts" >&2
414
echo "$0: check lockdir '$lockdir'" >&2
418
if test $stat -ne 0; then
289
419
rm -f "$tmpdepfile"
333
461
test -f "$tmpdepfile" && break
335
463
if test -f "$tmpdepfile"; then
336
sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
337
# Add `dependent.h:' lines.
464
sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
465
# Add 'dependent.h:' lines.
343
}' "$tmpdepfile" >> "$depfile"
471
}' "$tmpdepfile" >> "$depfile"
345
echo "#dummy" > "$depfile"
347
475
rm -f "$tmpdepfile" "$tmpdepfile2"
351
# The Tru64 compiler uses -MD to generate dependencies as a side
352
# effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
353
# At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
354
# dependencies in `foo.d' instead, so we check for that too.
355
# Subdirectories are respected.
356
dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
357
test "x$dir" = "x$object" && dir=
358
base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
360
if test "$libtool" = yes; then
361
# With Tru64 cc, shared objects can also be used to make a
362
# static library. This mechanism is used in libtool 1.4 series to
363
# handle both shared and static libraries in a single compilation.
364
# With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
366
# With libtool 1.5 this exception was removed, and libtool now
367
# generates 2 separate objects for the 2 libraries. These two
368
# compilations output dependencies in $dir.libs/$base.o.d and
369
# in $dir$base.o.d. We have to check for both files, because
370
# one of the two compilations can be disabled. We should prefer
371
# $dir$base.o.d over $dir.libs/$base.o.d because the latter is
372
# automatically cleaned when .libs/ is deleted, while ignoring
373
# the former would cause a distcleancheck panic.
374
tmpdepfile1=$dir.libs/$base.lo.d # libtool 1.4
375
tmpdepfile2=$dir$base.o.d # libtool 1.5
376
tmpdepfile3=$dir.libs/$base.o.d # libtool 1.5
377
tmpdepfile4=$dir.libs/$base.d # Compaq CCC V6.2-504
380
tmpdepfile1=$dir$base.o.d
381
tmpdepfile2=$dir$base.d
382
tmpdepfile3=$dir$base.d
383
tmpdepfile4=$dir$base.d
388
if test $stat -eq 0; then :
390
rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
394
for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
396
test -f "$tmpdepfile" && break
398
if test -f "$tmpdepfile"; then
399
sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
400
# That's a tab and a space in the [].
401
sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
403
echo "#dummy" > "$depfile"
479
# The Tru64 compiler uses -MD to generate dependencies as a side
480
# effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
481
# At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
482
# dependencies in 'foo.d' instead, so we check for that too.
483
# Subdirectories are respected.
484
set_dir_from "$object"
485
set_base_from "$object"
487
if test "$libtool" = yes; then
488
# Libtool generates 2 separate objects for the 2 libraries. These
489
# two compilations output dependencies in $dir.libs/$base.o.d and
490
# in $dir$base.o.d. We have to check for both files, because
491
# one of the two compilations can be disabled. We should prefer
492
# $dir$base.o.d over $dir.libs/$base.o.d because the latter is
493
# automatically cleaned when .libs/ is deleted, while ignoring
494
# the former would cause a distcleancheck panic.
495
tmpdepfile1=$dir$base.o.d # libtool 1.5
496
tmpdepfile2=$dir.libs/$base.o.d # Likewise.
497
tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504
500
tmpdepfile1=$dir$base.d
501
tmpdepfile2=$dir$base.d
502
tmpdepfile3=$dir$base.d
507
if test $stat -ne 0; then
508
rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
512
for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
514
test -f "$tmpdepfile" && break
516
# Same post-processing that is required for AIX mode.
517
aix_post_process_depfile
521
if test "$libtool" = yes; then
522
showIncludes=-Wc,-showIncludes
524
showIncludes=-showIncludes
526
"$@" $showIncludes > "$tmpdepfile"
528
grep -v '^Note: including file: ' "$tmpdepfile"
529
if test $stat -ne 0; then
534
echo "$object : \\" > "$depfile"
535
# The first sed program below extracts the file names and escapes
536
# backslashes for cygpath. The second sed program outputs the file
537
# name when reading, but also accumulates all include files in the
538
# hold buffer in order to output them again at the end. This only
539
# works with sed implementations that can handle large buffers.
540
sed < "$tmpdepfile" -n '
541
/^Note: including file: *\(.*\)/ {
545
}' | $cygpath_u | sort -u | sed -n '
547
s/\(.*\)/'"$tab"'\1 \\/p
555
echo >> "$depfile" # make sure the fragment doesn't end with a backslash
560
# This case exists only to let depend.m4 do its work. It works by
561
# looking at the text of this script. This case will never be run,
562
# since it is checked for above.
409
567
# This comment above is used by automake to tell side-effect
444
602
test -z "$dashmflag" && dashmflag=-M
445
# Require at least two characters before searching for `:'
603
# Require at least two characters before searching for ':'
446
604
# in the target name. This is to cope with DOS-style filenames:
447
# a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
605
# a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
448
606
"$@" $dashmflag |
449
sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile"
607
sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
451
609
cat < "$tmpdepfile" > "$depfile"
453
' < "$tmpdepfile" | \
454
## Some versions of the HPUX 10.20 sed can't process this invocation
455
## correctly. Breaking it into two sed invocations is a workaround.
456
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
610
# Some versions of the HPUX 10.20 sed can't process this sed invocation
611
# correctly. Breaking it into two sed invocations is a workaround.
612
tr ' ' "$nl" < "$tmpdepfile" \
613
| sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
614
| sed -e 's/$/ :/' >> "$depfile"
457
615
rm -f "$tmpdepfile"
503
661
touch "$tmpdepfile"
504
662
${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
506
cat < "$tmpdepfile" > "$depfile"
507
sed '1,2d' "$tmpdepfile" | tr ' ' '
509
## Some versions of the HPUX 10.20 sed can't process this invocation
510
## correctly. Breaking it into two sed invocations is a workaround.
511
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
664
# makedepend may prepend the VPATH from the source file name to the object.
665
# No need to regex-escape $object, excess matching of '.' is harmless.
666
sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
667
# Some versions of the HPUX 10.20 sed can't process the last invocation
668
# correctly. Breaking it into two sed invocations is a workaround.
669
sed '1,2d' "$tmpdepfile" \
671
| sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
672
| sed -e 's/$/ :/' >> "$depfile"
512
673
rm -f "$tmpdepfile" "$tmpdepfile".bak