diff options
Diffstat (limited to 'Makefile')
-rw-r--r-- | Makefile | 74 |
1 files changed, 3 insertions, 71 deletions
@@ -309,6 +309,9 @@ cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh \ | |||
309 | # Look for make include files relative to root of kernel src | 309 | # Look for make include files relative to root of kernel src |
310 | MAKEFLAGS += --include-dir=$(srctree) | 310 | MAKEFLAGS += --include-dir=$(srctree) |
311 | 311 | ||
312 | # We need some generic definitions | ||
313 | include scripts/Kbuild.include | ||
314 | |||
312 | # For maximum performance (+ possibly random breakage, uncomment | 315 | # For maximum performance (+ possibly random breakage, uncomment |
313 | # the following) | 316 | # the following) |
314 | 317 | ||
@@ -367,11 +370,6 @@ export AFLAGS AFLAGS_KERNEL AFLAGS_MODULE | |||
367 | # even be read-only. | 370 | # even be read-only. |
368 | export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions | 371 | export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions |
369 | 372 | ||
370 | # The temporary file to save gcc -MD generated dependencies must not | ||
371 | # contain a comma | ||
372 | comma := , | ||
373 | depfile = $(subst $(comma),_,$(@D)/.$(@F).d) | ||
374 | |||
375 | # Files to ignore in find ... statements | 373 | # Files to ignore in find ... statements |
376 | 374 | ||
377 | RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS -o -name .pc \) -prune -o | 375 | RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS -o -name .pc \) -prune -o |
@@ -1285,72 +1283,6 @@ ifneq ($(cmd_files),) | |||
1285 | include $(cmd_files) | 1283 | include $(cmd_files) |
1286 | endif | 1284 | endif |
1287 | 1285 | ||
1288 | # Execute command and generate cmd file | ||
1289 | if_changed = $(if $(strip $? \ | ||
1290 | $(filter-out $(cmd_$(1)),$(cmd_$@))\ | ||
1291 | $(filter-out $(cmd_$@),$(cmd_$(1)))),\ | ||
1292 | @set -e; \ | ||
1293 | $(if $($(quiet)cmd_$(1)),echo ' $(subst ','\'',$($(quiet)cmd_$(1)))';) \ | ||
1294 | $(cmd_$(1)); \ | ||
1295 | echo 'cmd_$@ := $(subst $$,$$$$,$(subst ','\'',$(cmd_$(1))))' > $(@D)/.$(@F).cmd) | ||
1296 | |||
1297 | |||
1298 | # execute the command and also postprocess generated .d dependencies | ||
1299 | # file | ||
1300 | if_changed_dep = $(if $(strip $? $(filter-out FORCE $(wildcard $^),$^)\ | ||
1301 | $(filter-out $(cmd_$(1)),$(cmd_$@))\ | ||
1302 | $(filter-out $(cmd_$@),$(cmd_$(1)))),\ | ||
1303 | $(Q)set -e; \ | ||
1304 | $(if $($(quiet)cmd_$(1)),echo ' $(subst ','\'',$($(quiet)cmd_$(1)))';) \ | ||
1305 | $(cmd_$(1)); \ | ||
1306 | scripts/basic/fixdep $(depfile) $@ '$(subst $$,$$$$,$(subst ','\'',$(cmd_$(1))))' > $(@D)/.$(@F).tmp; \ | ||
1307 | rm -f $(depfile); \ | ||
1308 | mv -f $(@D)/.$(@F).tmp $(@D)/.$(@F).cmd) | ||
1309 | |||
1310 | # Usage: $(call if_changed_rule,foo) | ||
1311 | # will check if $(cmd_foo) changed, or any of the prequisites changed, | ||
1312 | # and if so will execute $(rule_foo) | ||
1313 | |||
1314 | if_changed_rule = $(if $(strip $? \ | ||
1315 | $(filter-out $(cmd_$(1)),$(cmd_$(@F)))\ | ||
1316 | $(filter-out $(cmd_$(@F)),$(cmd_$(1)))),\ | ||
1317 | $(Q)$(rule_$(1))) | ||
1318 | |||
1319 | # If quiet is set, only print short version of command | ||
1320 | |||
1321 | cmd = @$(if $($(quiet)cmd_$(1)),echo ' $($(quiet)cmd_$(1))' &&) $(cmd_$(1)) | ||
1322 | |||
1323 | # filechk is used to check if the content of a generated file is updated. | ||
1324 | # Sample usage: | ||
1325 | # define filechk_sample | ||
1326 | # echo $KERNELRELEASE | ||
1327 | # endef | ||
1328 | # version.h : Makefile | ||
1329 | # $(call filechk,sample) | ||
1330 | # The rule defined shall write to stdout the content of the new file. | ||
1331 | # The existing file will be compared with the new one. | ||
1332 | # - If no file exist it is created | ||
1333 | # - If the content differ the new file is used | ||
1334 | # - If they are equal no change, and no timestamp update | ||
1335 | |||
1336 | define filechk | ||
1337 | @set -e; \ | ||
1338 | echo ' CHK $@'; \ | ||
1339 | mkdir -p $(dir $@); \ | ||
1340 | $(filechk_$(1)) < $< > $@.tmp; \ | ||
1341 | if [ -r $@ ] && cmp -s $@ $@.tmp; then \ | ||
1342 | rm -f $@.tmp; \ | ||
1343 | else \ | ||
1344 | echo ' UPD $@'; \ | ||
1345 | mv -f $@.tmp $@; \ | ||
1346 | fi | ||
1347 | endef | ||
1348 | |||
1349 | # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj=dir | ||
1350 | # Usage: | ||
1351 | # $(Q)$(MAKE) $(build)=dir | ||
1352 | build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj | ||
1353 | |||
1354 | # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir | 1286 | # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir |
1355 | # Usage: | 1287 | # Usage: |
1356 | # $(Q)$(MAKE) $(clean)=dir | 1288 | # $(Q)$(MAKE) $(clean)=dir |