diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/Makefile.lib | 17 | ||||
| -rw-r--r-- | scripts/basic/fixdep.c | 93 |
2 files changed, 68 insertions, 42 deletions
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 07125e697d7..3e73dfd838c 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -156,9 +156,9 @@ cpp_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) \ ld_flags = $(LDFLAGS) $(ldflags-y) -dtc_cpp_flags = -Wp,-MD,$(depfile) -nostdinc \ +dtc_cpp_flags = -Wp,-MD,$(depfile).pre -nostdinc \ -I$(srctree)/arch/$(SRCARCH)/boot/dts \ - -I$(srctree)/arch/$(SRCARCH)/include/dts \ + -I$(srctree)/arch/$(SRCARCH)/boot/dts/include \ -undef -D__DTS__ # Finds the multi-part object the current object will be linked into @@ -269,20 +269,17 @@ $(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) -d $(depfile) $< +cmd_dtc = $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ + $(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 \ + -i $(srctree)/arch/$(SRCARCH)/boot/dts $(DTC_FLAGS) \ + -d $(depfile).dtc $(dtc-tmp) ; \ + cat $(depfile).pre $(depfile).dtc > $(depfile) $(obj)/%.dtb: $(src)/%.dts FORCE $(call if_changed_dep,dtc) dtc-tmp = $(subst $(comma),_,$(dot-target).dts) -quiet_cmd_dtc_cpp = DTC+CPP $@ -cmd_dtc_cpp = $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ - $(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 $(DTC_FLAGS) $(dtc-tmp) - -$(obj)/%.dtb: $(src)/%.dtsp FORCE - $(call if_changed_dep,dtc_cpp) - # Bzip2 # --------------------------------------------------------------------------- diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c index 7f6425e24ce..078fe1d64e7 100644 --- a/scripts/basic/fixdep.c +++ b/scripts/basic/fixdep.c @@ -320,49 +320,78 @@ static void parse_dep_file(void *map, size_t len) char *end = m + len; char *p; char s[PATH_MAX]; - int first; - - p = strchr(m, ':'); - if (!p) { - fprintf(stderr, "fixdep: parse error\n"); - exit(1); - } - memcpy(s, m, p-m); s[p-m] = 0; - m = p+1; + int is_target; + int saw_any_target = 0; + int is_first_dep = 0; clear_config(); - first = 1; while (m < end) { + /* Skip any "white space" */ while (m < end && (*m == ' ' || *m == '\\' || *m == '\n')) m++; + /* Find next "white space" */ p = m; - while (p < end && *p != ' ') p++; - if (p == end) { - do p--; while (!isalnum(*p)); + while (p < end && *p != ' ' && *p != '\\' && *p != '\n') p++; + /* Is the token we found a target name? */ + is_target = (*(p-1) == ':'); + /* Don't write any target names into the dependency file */ + if (is_target) { + /* The /next/ file is the first dependency */ + is_first_dep = 1; + } else { + /* Save this token/filename */ + memcpy(s, m, p-m); + s[p - m] = 0; + + /* Ignore certain dependencies */ + if (strrcmp(s, "include/generated/autoconf.h") && + strrcmp(s, "arch/um/include/uml-config.h") && + strrcmp(s, "include/linux/kconfig.h") && + strrcmp(s, ".ver")) { + /* + * Do not list the source file as dependency, + * so that kbuild is not confused if a .c file + * is rewritten into .S or vice versa. Storing + * it in source_* is needed for modpost to + * compute srcversions. + */ + if (is_first_dep) { + /* + * If processing the concatenation of + * multiple dependency files, only + * process the first target name, which + * will be the original source name, + * and ignore any other target names, + * which will be intermediate temporary + * files. + */ + if (!saw_any_target) { + saw_any_target = 1; + printf("source_%s := %s\n\n", + target, s); + printf("deps_%s := \\\n", + target); + } + is_first_dep = 0; + } else + printf(" %s \\\n", s); + do_config_file(s); + } } - memcpy(s, m, p-m); s[p-m] = 0; - if (strrcmp(s, "include/generated/autoconf.h") && - strrcmp(s, "arch/um/include/uml-config.h") && - strrcmp(s, "include/linux/kconfig.h") && - strrcmp(s, ".ver")) { - /* - * Do not list the source file as dependency, so that - * kbuild is not confused if a .c file is rewritten - * into .S or vice versa. Storing it in source_* is - * needed for modpost to compute srcversions. - */ - if (first) { - printf("source_%s := %s\n\n", target, s); - printf("deps_%s := \\\n", target); - } else - printf(" %s \\\n", s); - do_config_file(s); - } - first = 0; + /* + * Start searching for next token immediately after the first + * "whitespace" character that follows this token. + */ m = p + 1; } + + if (!saw_any_target) { + fprintf(stderr, "fixdep: parse error; no targets found\n"); + exit(1); + } + printf("\n%s: $(deps_%s)\n\n", target, target); printf("$(deps_%s):\n", target); } |