kbuild: implement modules.order

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / Makefile

diff --git a/Makefile b/Makefile
index fbb8dfc063d36070bc8b3336e7f696d0b15d3d61..f8d1fd525e175bb5f2a11ca71ae65dca06d8a62c 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 24
-EXTRAVERSION = -rc6
+EXTRAVERSION =
 NAME = Arr Matey! A Hairy Bilge Rat!
 
 # *DOCUMENTATION*
@@ -12,7 +12,7 @@ NAME = Arr Matey! A Hairy Bilge Rat!
 
 # Do not:
 # o  use make's built-in rules and variables
-#    (this increases performance and avoid hard-to-debug behavour);
+#    (this increases performance and avoids hard-to-debug behaviour);
 # o  print "Entering directory ...";
 MAKEFLAGS += -rR --no-print-directory
 
@@ -169,7 +169,7 @@ SUBARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
                                  -e s/arm.*/arm/ -e s/sa110/arm/ \
                                  -e s/s390x/s390/ -e s/parisc64/parisc/ \
                                  -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
-                                 -e s/sh[234].*/sh/ )
+                                 -e s/sh.*/sh/ )
 
 # Cross compiling and selecting different set of gcc/bin-utils
 # ---------------------------------------------------------------------------
@@ -1021,9 +1021,14 @@ ifdef CONFIG_MODULES
 all: modules
 
 #      Build modules
+#
+#      A module can be listed more than once in obj-m resulting in
+#      duplicate lines in modules.order files.  Those are removed
+#      using awk while concatenating to the final file.
 
 PHONY += modules
 modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux)
+       $(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order
        @echo '  Building modules, stage 2.';
        $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
 
@@ -1051,6 +1056,7 @@ _modinst_:
                rm -f $(MODLIB)/build ; \
                ln -s $(objtree) $(MODLIB)/build ; \
        fi
+       @cp -f $(objtree)/modules.order $(MODLIB)/
        $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst
 
 # This depmod is only for convenience to give the initial
@@ -1110,7 +1116,7 @@ clean: archclean $(clean-dirs)
        @find . $(RCS_FIND_IGNORE) \
                \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
                -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
-               -o -name '*.symtypes' \) \
+               -o -name '*.symtypes' -o -name 'modules.order' \) \
                -type f -print | xargs rm -f
 
 # mrproper - Delete all generated files, including .config
@@ -1188,6 +1194,8 @@ help:
        @echo  'Static analysers'
        @echo  '  checkstack      - Generate a list of stack hogs'
        @echo  '  namespacecheck  - Name space analysis on compiled kernel'
+       @echo  '  versioncheck    - Sanity check on version.h usage'
+       @echo  '  includecheck    - Check for duplicate included header files'
        @echo  '  export_report   - List the usages of all exported symbols'
        @if [ -r $(srctree)/include/asm-$(SRCARCH)/Kbuild ]; then \
         echo  '  headers_check   - Sanity check on exported headers'; \
@@ -1329,7 +1337,7 @@ else
 ALLINCLUDE_ARCHS := $(SRCARCH)
 endif
 else
-#Allow user to specify only ALLSOURCE_PATHS on the command line, keeping existing behavour.
+#Allow user to specify only ALLSOURCE_PATHS on the command line, keeping existing behaviour.
 ALLINCLUDE_ARCHS := $(ALLSOURCE_ARCHS)
 endif
 
@@ -1428,12 +1436,12 @@ tags: FORCE
 includecheck:
        find * $(RCS_FIND_IGNORE) \
                -name '*.[hcS]' -type f -print | sort \
-               | xargs $(PERL) -w scripts/checkincludes.pl
+               | xargs $(PERL) -w $(srctree)/scripts/checkincludes.pl
 
 versioncheck:
        find * $(RCS_FIND_IGNORE) \
                -name '*.[hcS]' -type f -print | sort \
-               | xargs $(PERL) -w scripts/checkversion.pl
+               | xargs $(PERL) -w $(srctree)/scripts/checkversion.pl
 
 namespacecheck:
        $(PERL) $(srctree)/scripts/namespace.pl