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authorRich Felker <dalias@aerifal.cx>2016-01-20 02:49:32 +0000
committerRich Felker <dalias@aerifal.cx>2016-01-20 02:49:32 +0000
commit0f814a4e57e80d2512934820b878211e9d71c93e (patch)
treef65db3ca06f8c58589cc2d41a6c3f1e3ba8b4595
parentb6363bb70aad402be7c548a7ec053b124db076d9 (diff)
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remove support for subarch .sub files from the makefile
as of commit af21a82ccc8687aa16e85def7db95efeae4cf72e, .sub files are
no longer in use. removing the makefile machinery to handle them not
only cleans up and simplifies the makefile, but also significantly
reduces make's startup time.
-rw-r--r--Makefile18
1 files changed, 2 insertions, 16 deletions
diff --git a/Makefile b/Makefile
index 7f11d637..a451a841 100644
--- a/Makefile
+++ b/Makefile
@@ -19,9 +19,9 @@ syslibdir = /lib
 
 BASE_SRCS = $(sort $(wildcard $(srcdir)/src/*/*.c $(srcdir)/arch/$(ARCH)/src/*.[csS]))
 BASE_OBJS = $(patsubst $(srcdir)/%,%.o,$(basename $(BASE_SRCS)))
-ARCH_SRCS = $(wildcard $(srcdir)/src/*/$(ARCH)/*.[csS] $(srcdir)/src/*/$(ARCH)$(ASMSUBARCH)/*.sub)
+ARCH_SRCS = $(wildcard $(srcdir)/src/*/$(ARCH)/*.[csS])
 ARCH_OBJS = $(patsubst $(srcdir)/%,%.o,$(basename $(ARCH_SRCS)))
-REPLACED_OBJS = $(sort $(subst /$(ARCH)$(ASMSUBARCH)/,/,$(subst /$(ARCH)/,/,$(ARCH_OBJS))) $(subst /$(ARCH)$(ASMSUBARCH)/,/$(ARCH)/,$(subst /$(ARCH)/,/,$(ARCH_OBJS))))
+REPLACED_OBJS = $(sort $(subst /$(ARCH)/,/,$(ARCH_OBJS)))
 OBJS = $(addprefix obj/, $(filter-out $(REPLACED_OBJS), $(sort $(BASE_OBJS) $(ARCH_OBJS))))
 LOBJS = $(OBJS:.o=.lo)
 GENH = obj/include/bits/alltypes.h
@@ -128,14 +128,6 @@ $(NOSSP_SRCS:%.c=obj/%.o) $(NOSSP_SRCS:%.c=obj/%.lo): CFLAGS_ALL += $(CFLAGS_NOS
 
 $(CRT_LIBS:lib/%=obj/crt/%): CFLAGS_ALL += -DCRT
 
-# This incantation ensures that changes to any subarch asm files will
-# force the corresponding object file to be rebuilt, even if the implicit
-# rule below goes indirectly through a .sub file.
-define mkasmdep
-$(patsubst $(srcdir)/%,obj/%,$(dir $(patsubst %/,%,$(dir $(1))))$(ARCH)$(ASMSUBARCH)/$(notdir $(1:.s=.o))): $(1)
-endef
-$(foreach s,$(wildcard $(srcdir)/src/*/$(ARCH)*/*.s),$(eval $(call mkasmdep,$(s))))
-
 $(LOBJS): CFLAGS_ALL += -fPIC -DSHARED
 
 # Choose invocation of assembler to be used
@@ -146,9 +138,6 @@ else
 	AS_CMD = $(CC) $(CFLAGS_ALL) -c -o $@ $<
 endif
 
-obj/%.o: $(srcdir)/%.sub
-	$(CC) $(CFLAGS_ALL) -c -o $@ $(dir $<)$$(cat $<)
-
 obj/%.o: $(srcdir)/%.s
 	$(AS_CMD) $(CFLAGS_ALL)
 
@@ -158,9 +147,6 @@ obj/%.o: $(srcdir)/%.S
 obj/%.o: $(srcdir)/%.c $(GENH) $(IMPH)
 	$(CC) $(CFLAGS_ALL) -c -o $@ $<
 
-obj/%.lo: $(srcdir)/%.sub
-	$(CC) $(CFLAGS_ALL) -c -o $@ $(dir $<)$$(cat $<)
-
 obj/%.lo: $(srcdir)/%.s
 	$(AS_CMD) $(CFLAGS_ALL)