diff options
Diffstat (limited to 'csu/Makefile')
| -rw-r--r-- | csu/Makefile | 57 |
1 files changed, 52 insertions, 5 deletions
diff --git a/csu/Makefile b/csu/Makefile index da17b2c301..6d804f46aa 100644 --- a/csu/Makefile +++ b/csu/Makefile @@ -27,7 +27,7 @@ subdir := csu -routines = init-first libc-start +routines = init-first libc-start $(libc-init) sysdep version csu-dummies = $(filter-out $(start-installed-name),crt1.o Mcrt1.o) extra-objs = start.o gmon-start.o \ $(start-installed-name) g$(start-installed-name) \ @@ -36,17 +36,35 @@ omit-deps = $(patsubst %.o,%,$(start-installed-name) g$(start-installed-name) \ $(csu-dummies)) install-lib = $(start-installed-name) g$(start-installed-name) \ $(csu-dummies) -distribute = initfini.c gmon-start.c start.c defs.awk abi-note.S init.c +distribute = initfini.c gmon-start.c start.c defs.awk munch.awk \ + abi-note.S init.c +generated = version-info.h +before-compile = $(objpfx)version-info.h all: # Make this the default target; it will be defined in Rules. include ../Makeconfig -ifeq ($(elf),yes) -before-compile = $(objpfx)abi-tag.h +ifeq (yes,$(elf)) +before-compile += $(objpfx)abi-tag.h generated += abi-tag.h endif +ifeq (yes,$(gnu-ld)) +libc-init = set-init +else +libc-init = munch-init +$(objpfx)munch-init.c: munch.awk munch-tmpl.c $(+subdir_inits) + $(AWK) -f $< subdirs='$(+init_subdirs)' $(word 2,$^) > $@-t + mv -f $@-t $@ +generated += munch-init.c + +# All initialization source files. ++subdir_inits := $(wildcard $(foreach dir,$(subdirs),$(dir)/init-$(dir).c)) +# All subdirectories containing initialization source files. ++init_subdirs := $(patsubst %/,%,$(dir $(+subdir_inits))) +endif + ifeq ($(have-initfini),yes) CPPFLAGS += -DHAVE_INITFINI @@ -130,11 +148,12 @@ $(addprefix $(objpfx),$(filter-out $(start-installed-name),$(csu-dummies))): $(COMPILE.c) $(@:.o=.c) $(OUTPUT_OPTION) rm -f $(@:.o=.c) +# These headers are used by the startup code. / := $$/# bite me. $(objpfx)abi-tag.h: $(..)abi-tags $(make-target-directory) rm -f $@.new - sed 's/#.*$//;/^[ ]*$$/d' $< | while read conf tag; do \ + sed 's/#.*$//;/^[ ]*$/d' $< | while read conf tag; do \ test `expr '$(config-machine)-$(config-vendor)-$(config-os)' \ : "$$conf"` != 0 || continue; \ echo "$$tag" | sed > $@.new \ @@ -142,3 +161,31 @@ $(objpfx)abi-tag.h: $(..)abi-tags done if test -r $@.new; then mv -f $@.new $@; \ else echo >&2 'This configuration not matched in $<'; exit 1; fi + +all-Banner-files = $(wildcard $(addsuffix /Banner, \ + $(addprefix $(..), $(subdirs)))) +$(objpfx)version-info.h: $(common-objpfx)config.make $(all-Banner-files) + $(make-target-directory) + (case $(config-os) in \ + linux*) version=`(echo -e "#include <linux/version.h>\nUTS_RELEASE"\ + | $(CC) -E -P - | \ + sed -e 's/"\([^"]*\)".*/\1/p' -e d) 2>/dev/null`;\ + if [ -z "$$version" ]; then \ + if [ -r /proc/version ]; then \ + version=`sed 's/.*version \([^ ]*\) .*/>>\1<</' \ + < /proc/version`; \ + else \ + version=`uname -r`; \ + fi; \ + fi; \ + echo -n "\"Compiled on a Linux $$version system "; \ + echo "on `date +%Y-%m-%d`.\\n\"" ;; \ + *) ;; \ + esac; \ + files="$(all-Banner-files)"; \ + if test -n "$$files"; then \ + echo "\"Available extensions:"; \ + sed -e '/^#/d' -e 's/^[[:space:]]*/ /' $$files; \ + echo "\""; \ + fi) > $@T + mv -f $@T $@ |