Merge tag 'copy-struct-from-user-v5.4-rc4' of gitolite.kernel.org:pub/scm/linux/kerne...

[linux-2.6-microblaze.git] / scripts / Makefile.modpost

diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index 26e6574..952fff4 100644 (file)
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -15,15 +15,13 @@
 # 2) modpost is then used to
 # 3)  create one <module>.mod.c file pr. module
 # 4)  create one Module.symvers file with CRC for all exported symbols
-# 5) compile all <module>.mod.c files
-# 6) final link of the module to a <module.ko> file
 
 # Step 3 is used to place certain information in the module's ELF
 # section, including information such as:
 #   Version magic (see include/linux/vermagic.h for full details)
 #     - Kernel release
 #     - SMP is CONFIG_SMP
-#     - PREEMPT is CONFIG_PREEMPT
+#     - PREEMPT is CONFIG_PREEMPT[_RT]
 #     - GCC Version
 #   Module info
 #     - Module version (MODULE_VERSION)
@@ -56,17 +54,15 @@ MODPOST = scripts/mod/modpost                                               \
        $(if $(KBUILD_EXTMOD),$(addprefix -e ,$(KBUILD_EXTRA_SYMBOLS))) \
        $(if $(KBUILD_EXTMOD),-o $(modulesymfile))                      \
        $(if $(CONFIG_SECTION_MISMATCH_WARN_ONLY),,-E)                  \
-       $(if $(KBUILD_MODPOST_WARN),-w)
+       $(if $(KBUILD_MODPOST_WARN),-w)                                 \
+       $(if $(filter nsdeps,$(MAKECMDGOALS)),-d)
 
 ifdef MODPOST_VMLINUX
 
-__modpost: vmlinux.o
+quiet_cmd_modpost = MODPOST vmlinux.o
+      cmd_modpost = $(MODPOST) vmlinux.o
 
-quiet_cmd_modpost = MODPOST $@
-      cmd_modpost = $(MODPOST) $@
-
-PHONY += vmlinux.o
-vmlinux.o:
+__modpost:
        $(call cmd,modpost)
 
 else
@@ -83,73 +79,24 @@ include $(if $(wildcard $(KBUILD_EXTMOD)/Kbuild), \
              $(KBUILD_EXTMOD)/Kbuild, $(KBUILD_EXTMOD)/Makefile)
 endif
 
-include scripts/Makefile.lib
+MODPOST += $(subst -i,-n,$(filter -i,$(MAKEFLAGS))) -s -T - $(wildcard vmlinux)
 
 # find all modules listed in modules.order
 modules := $(sort $(shell cat $(MODORDER)))
 
-# Stop after building .o files if NOFINAL is set. Makes compile tests quicker
-__modpost: $(if $(KBUILD_MODPOST_NOFINAL), $(modules:.ko:.o),$(modules))
-       @:
-
-MODPOST += $(subst -i,-n,$(filter -i,$(MAKEFLAGS))) -s -T - $(wildcard vmlinux)
-
-# We can go over command line length here, so be careful.
+# Read out modules.order instead of expanding $(modules) to pass in modpost.
+# Otherwise, allmodconfig would fail with "Argument list too long".
 quiet_cmd_modpost = MODPOST $(words $(modules)) modules
       cmd_modpost = sed 's/ko$$/o/' $(MODORDER) | $(MODPOST)
 
-PHONY += modules-modpost
-modules-modpost:
+__modpost:
+       @$(kecho) '  Building modules, stage 2.'
        $(call cmd,modpost)
+ifneq ($(KBUILD_MODPOST_NOFINAL),1)
+       $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modfinal
+endif
 
-# Declare generated files as targets for modpost
-$(modules:.ko=.mod.c): modules-modpost
-
-# Step 5), compile all *.mod.c files
-
-# modname is set to make c_flags define KBUILD_MODNAME
-modname = $(notdir $(@:.mod.o=))
-
-quiet_cmd_cc_o_c = CC      $@
-      cmd_cc_o_c = $(CC) $(c_flags) $(KBUILD_CFLAGS_MODULE) $(CFLAGS_MODULE) \
-                  -c -o $@ $<
-
-$(modules:.ko=.mod.o): %.mod.o: %.mod.c FORCE
-       $(call if_changed_dep,cc_o_c)
-
-targets += $(modules:.ko=.mod.o)
-
-ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
-
-# Step 6), final link of the modules with optional arch pass after final link
-quiet_cmd_ld_ko_o = LD [M]  $@
-      cmd_ld_ko_o =                                                     \
-       $(LD) -r $(KBUILD_LDFLAGS)                                      \
-                 $(KBUILD_LDFLAGS_MODULE) $(LDFLAGS_MODULE)             \
-                 -o $@ $(real-prereqs) ;                                \
-       $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
-
-$(modules): %.ko :%.o %.mod.o FORCE
-       +$(call if_changed,ld_ko_o)
-
-targets += $(modules)
-
-
-# Add FORCE to the prequisites of a target to force it to be always rebuilt.
-# ---------------------------------------------------------------------------
-
-PHONY += FORCE
-
-FORCE:
-
-# Read all saved command lines and dependencies for the $(targets) we
-# may be building above, using $(if_changed{,_dep}). As an
-# optimization, we don't need to read them if the target does not
-# exist, we will rebuild anyway in that case.
-
-existing-targets := $(wildcard $(sort $(targets)))
-
--include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd)
+nsdeps: __modpost
 
 endif