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author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-16 14:34:54 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-16 14:34:54 -0800 |
commit | c63dbbd5268c397f051e0e0f665799ef64a1f3a4 (patch) | |
tree | 3d832ca143858fd601869a1e2dbe553bd513d854 /scripts | |
parent | 53999bf34d55981328f8ba9def558d3e104d6e36 (diff) | |
parent | 7c43185138cf523b0810ffd2c9e18e2ecb356730 (diff) | |
download | lwn-c63dbbd5268c397f051e0e0f665799ef64a1f3a4.tar.gz lwn-c63dbbd5268c397f051e0e0f665799ef64a1f3a4.zip |
Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
Kbuild: Use dtc's -d (dependency) option
dtc: Implement -d option to write out a dependency file
kbuild: Fix comment in Makefile.lib
scripts/genksyms: clean lex/yacc generated files
kbuild: Correctly deal with make options which contain an "s"
Diffstat (limited to 'scripts')
-rw-r--r-- | scripts/Makefile.lib | 8 | ||||
-rw-r--r-- | scripts/dtc/dtc.c | 21 | ||||
-rw-r--r-- | scripts/dtc/srcpos.c | 4 | ||||
-rw-r--r-- | scripts/dtc/srcpos.h | 1 | ||||
-rw-r--r-- | scripts/genksyms/Makefile | 1 |
5 files changed, 30 insertions, 5 deletions
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 5d986d9adf1b..00c368c6e996 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -93,9 +93,9 @@ obj-dirs := $(addprefix $(obj)/,$(obj-dirs)) # already # $(modname_flags) #defines KBUILD_MODNAME as the name of the module it will # end up in (or would, if it gets compiled in) -# Note: It's possible that one object gets potentially linked into more -# than one module. In that case KBUILD_MODNAME will be set to foo_bar, -# where foo and bar are the name of the modules. +# Note: Files that end up in two or more modules are compiled without the +# KBUILD_MODNAME definition. The reason is that any made-up name would +# differ in different configs. name-fix = $(subst $(comma),_,$(subst -,_,$1)) basename_flags = -D"KBUILD_BASENAME=KBUILD_STR($(call name-fix,$(basetarget)))" modname_flags = $(if $(filter 1,$(words $(modname))),\ @@ -264,7 +264,7 @@ $(obj)/%.dtb.S: $(obj)/%.dtb $(call cmd,dt_S_dtb) quiet_cmd_dtc = DTC $@ -cmd_dtc = $(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 $(DTC_FLAGS) $< +cmd_dtc = $(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 $(DTC_FLAGS) -d $(depfile) $< # Bzip2 # --------------------------------------------------------------------------- diff --git a/scripts/dtc/dtc.c b/scripts/dtc/dtc.c index cbc0193098e4..451c92d31b19 100644 --- a/scripts/dtc/dtc.c +++ b/scripts/dtc/dtc.c @@ -71,6 +71,7 @@ static void __attribute__ ((noreturn)) usage(void) fprintf(stderr, "\t\t\tasm - assembler source\n"); fprintf(stderr, "\t-V <output version>\n"); fprintf(stderr, "\t\tBlob version to produce, defaults to %d (relevant for dtb\n\t\tand asm output only)\n", DEFAULT_FDT_VERSION); + fprintf(stderr, "\t-d <output dependency file>\n"); fprintf(stderr, "\t-R <number>\n"); fprintf(stderr, "\t\tMake space for <number> reserve map entries (relevant for \n\t\tdtb and asm output only)\n"); fprintf(stderr, "\t-S <bytes>\n"); @@ -99,6 +100,7 @@ int main(int argc, char *argv[]) const char *inform = "dts"; const char *outform = "dts"; const char *outname = "-"; + const char *depname = NULL; int force = 0, check = 0, sort = 0; const char *arg; int opt; @@ -111,7 +113,8 @@ int main(int argc, char *argv[]) minsize = 0; padsize = 0; - while ((opt = getopt(argc, argv, "hI:O:o:V:R:S:p:fcqb:vH:s")) != EOF) { + while ((opt = getopt(argc, argv, "hI:O:o:V:d:R:S:p:fcqb:vH:s")) + != EOF) { switch (opt) { case 'I': inform = optarg; @@ -125,6 +128,9 @@ int main(int argc, char *argv[]) case 'V': outversion = strtol(optarg, NULL, 0); break; + case 'd': + depname = optarg; + break; case 'R': reservenum = strtol(optarg, NULL, 0); break; @@ -188,6 +194,14 @@ int main(int argc, char *argv[]) fprintf(stderr, "DTC: %s->%s on file \"%s\"\n", inform, outform, arg); + if (depname) { + depfile = fopen(depname, "w"); + if (!depfile) + die("Couldn't open dependency file %s: %s\n", depname, + strerror(errno)); + fprintf(depfile, "%s:", outname); + } + if (streq(inform, "dts")) bi = dt_from_source(arg); else if (streq(inform, "fs")) @@ -197,6 +211,11 @@ int main(int argc, char *argv[]) else die("Unknown input format \"%s\"\n", inform); + if (depfile) { + fputc('\n', depfile); + fclose(depfile); + } + if (cmdline_boot_cpuid != -1) bi->boot_cpuid_phys = cmdline_boot_cpuid; diff --git a/scripts/dtc/srcpos.c b/scripts/dtc/srcpos.c index 2dbc874288ca..36a38e9f1a2c 100644 --- a/scripts/dtc/srcpos.c +++ b/scripts/dtc/srcpos.c @@ -40,6 +40,7 @@ static char *dirname(const char *path) return NULL; } +FILE *depfile; /* = NULL */ struct srcfile_state *current_srcfile; /* = NULL */ /* Detect infinite include recursion. */ @@ -67,6 +68,9 @@ FILE *srcfile_relative_open(const char *fname, char **fullnamep) strerror(errno)); } + if (depfile) + fprintf(depfile, " %s", fullname); + if (fullnamep) *fullnamep = fullname; else diff --git a/scripts/dtc/srcpos.h b/scripts/dtc/srcpos.h index bd7966e56a53..ce980cafe588 100644 --- a/scripts/dtc/srcpos.h +++ b/scripts/dtc/srcpos.h @@ -30,6 +30,7 @@ struct srcfile_state { struct srcfile_state *prev; }; +extern FILE *depfile; /* = NULL */ extern struct srcfile_state *current_srcfile; /* = NULL */ FILE *srcfile_relative_open(const char *fname, char **fullnamep); diff --git a/scripts/genksyms/Makefile b/scripts/genksyms/Makefile index a5510903e874..aca33b98bf63 100644 --- a/scripts/genksyms/Makefile +++ b/scripts/genksyms/Makefile @@ -11,3 +11,4 @@ HOSTCFLAGS_lex.lex.o := -I$(src) # dependencies on generated files need to be listed explicitly $(obj)/lex.lex.o: $(obj)/keywords.hash.c $(obj)/parse.tab.h +clean-files := keywords.hash.c lex.lex.c parse.tab.c parse.tab.h |