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authorJan Beulich <jbeulich@novell.com>2006-01-30 10:04:27 +0100
committerSam Ravnborg <sam@mars.ravnborg.org>2006-02-19 09:51:21 +0100
commit6176aa9ae4b83e1957d3031774f8a8e59ff97420 (patch)
tree7b44789ab8d87f721c5d9fcd10a9a5cb0e5d65d1 /scripts
parent20a468b51325b3636785a8ca0047ae514b39cbd5 (diff)
kbuild: consolidate command line escaping
While the recent change to also escape # symbols when storing C-file compilation command lines was helpful, it should be in effect for all command lines, as much as the dollar escaping should be in effect for C-source compilation commands. Additionally, for better readability and maintenance, consolidating all the escaping (single quotes, dollars, and now sharps) was also desirable. Signed-Off-By: Jan Beulich <jbeulich@novell.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/Kbuild.include15
-rw-r--r--scripts/Makefile.build8
-rw-r--r--scripts/basic/fixdep.c14
3 files changed, 12 insertions, 25 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 92ce94b58bd..3e7e0b278b9 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -88,8 +88,7 @@ cc-ifversion = $(shell if [ $(call cc-version, $(CC)) $(1) $(2) ]; then \
build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj
# If quiet is set, only print short version of command
-cmd = @$(if $($(quiet)cmd_$(1)),\
- echo ' $(call escsq,$($(quiet)cmd_$(1)))' &&) $(cmd_$(1))
+cmd = @$(echo-cmd) $(cmd_$(1))
# Add $(obj)/ for paths that is not absolute
objectify = $(foreach o,$(1),$(if $(filter /%,$(o)),$(o),$(obj)/$(o)))
@@ -112,24 +111,24 @@ endif
echo-cmd = $(if $($(quiet)cmd_$(1)), \
echo ' $(call escsq,$($(quiet)cmd_$(1)))';)
+make-cmd = $(subst \#,\\\#,$(subst $$,$$$$,$(call escsq,$(cmd_$(1)))))
+
# function to only execute the passed command if necessary
# >'< substitution is for echo to work, >$< substitution to preserve $ when reloading .cmd file
# note: when using inline perl scripts [perl -e '...$$t=1;...'] in $(cmd_xxx) double $$ your perl vars
#
if_changed = $(if $(strip $? $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ), \
@set -e; \
- $(echo-cmd) \
- $(cmd_$(1)); \
- echo 'cmd_$@ := $(subst $$,$$$$,$(call escsq,$(cmd_$(1))))' > $(@D)/.$(@F).cmd)
+ $(echo-cmd) $(cmd_$(1)); \
+ echo 'cmd_$@ := $(make-cmd)' > $(@D)/.$(@F).cmd)
# execute the command and also postprocess generated .d dependencies
# file
if_changed_dep = $(if $(strip $? $(filter-out FORCE $(wildcard $^),$^)\
$(call arg-check, $(cmd_$(1)), $(cmd_$@)) ), \
@set -e; \
- $(echo-cmd) \
- $(cmd_$(1)); \
- scripts/basic/fixdep $(depfile) $@ '$(subst $$,$$$$,$(call escsq,$(cmd_$(1))))' > $(@D)/.$(@F).tmp; \
+ $(echo-cmd) $(cmd_$(1)); \
+ scripts/basic/fixdep $(depfile) $@ '$(make-cmd)' > $(@D)/.$(@F).tmp; \
rm -f $(depfile); \
mv -f $(@D)/.$(@F).tmp $(@D)/.$(@F).cmd)
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 2737765f2fb..6ac96ea92bf 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -178,12 +178,10 @@ cmd_modversions = \
endif
define rule_cc_o_c
- $(if $($(quiet)cmd_checksrc),echo ' $($(quiet)cmd_checksrc)';) \
- $(cmd_checksrc) \
- $(if $($(quiet)cmd_cc_o_c),echo ' $(call escsq,$($(quiet)cmd_cc_o_c))';) \
- $(cmd_cc_o_c); \
+ $(call echo-cmd,checksrc) $(cmd_checksrc) \
+ $(call echo-cmd,cc_o_c) $(cmd_cc_o_c); \
$(cmd_modversions) \
- scripts/basic/fixdep $(depfile) $@ '$(call escsq,$(cmd_cc_o_c))' > $(@D)/.$(@F).tmp; \
+ scripts/basic/fixdep $(depfile) $@ '$(call make-cmd,cc_o_c)' > $(@D)/.$(@F).tmp; \
rm -f $(depfile); \
mv -f $(@D)/.$(@F).tmp $(@D)/.$(@F).cmd
endef
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index 679124b11e1..668a11a8b38 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -132,20 +132,10 @@ void usage(void)
/*
* Print out the commandline prefixed with cmd_<target filename> :=
- * If commandline contains '#' escape with '\' so make to not see
- * the '#' as a start-of-comment symbol
- **/
+ */
void print_cmdline(void)
{
- char *p = cmdline;
-
- printf("cmd_%s := ", target);
- for (; *p; p++) {
- if (*p == '#')
- printf("\\");
- printf("%c", *p);
- }
- printf("\n\n");
+ printf("cmd_%s := %s\n\n", target, cmdline);
}
char * str_config = NULL;