Merge tag 'kbuild-fixes-v4.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - fix missed rebuild of TRIM_UNUSED_KSYMS

 - fix rpm-pkg for GNU tar >= 1.29

 - include scripts/dtc/include-prefixes/* to kernel header deb-pkg

 - add -no-integrated-as option ealier to fix building with Clang

 - fix netfilter Makefile for parallel building

* tag 'kbuild-fixes-v4.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  netfilter: nf_nat_snmp_basic: add correct dependency to Makefile
  kbuild: rpm-pkg: Support GNU tar >= 1.29
  builddeb: Fix header package regarding dtc source links
  kbuild: set no-integrated-as before incl. arch Makefile
  kbuild: make scripts/adjust_autoksyms.sh robust against timestamp races

5 files changed, 12 insertions, 5 deletions

diff --git a/Makefile b/Makefile
index 7ba478ab8c82..9f77440dcdfe 100644
--- a/Makefile
+++ b/Makefile
@@ -487,6 +487,8 @@ CLANG_GCC_TC	:= --gcc-toolchain=$(GCC_TOOLCHAIN)
 endif
 KBUILD_CFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC)
 KBUILD_AFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC)
+KBUILD_CFLAGS += $(call cc-option, -no-integrated-as)
+KBUILD_AFLAGS += $(call cc-option, -no-integrated-as)
 endif
 
 RETPOLINE_CFLAGS_GCC := -mindirect-branch=thunk-extern -mindirect-branch-register
@@ -743,8 +745,6 @@ KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare)
 # See modpost pattern 2
 KBUILD_CFLAGS += $(call cc-option, -mno-global-merge,)
 KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior)
-KBUILD_CFLAGS += $(call cc-option, -no-integrated-as)
-KBUILD_AFLAGS += $(call cc-option, -no-integrated-as)
 else
 
 # These warnings generated too much noise in a regular build.
diff --git a/net/ipv4/netfilter/Makefile b/net/ipv4/netfilter/Makefile
index 2dad20eefd26..9bd19cd18849 100644
--- a/net/ipv4/netfilter/Makefile
+++ b/net/ipv4/netfilter/Makefile
@@ -29,7 +29,7 @@ obj-$(CONFIG_NF_NAT_H323) += nf_nat_h323.o
 obj-$(CONFIG_NF_NAT_PPTP) += nf_nat_pptp.o
 
 nf_nat_snmp_basic-y := nf_nat_snmp_basic-asn1.o nf_nat_snmp_basic_main.o
-nf_nat_snmp_basic-y : nf_nat_snmp_basic-asn1.h nf_nat_snmp_basic-asn1.c
+$(obj)/nf_nat_snmp_basic_main.o: $(obj)/nf_nat_snmp_basic-asn1.h
 obj-$(CONFIG_NF_NAT_SNMP_BASIC) += nf_nat_snmp_basic.o
 clean-files := nf_nat_snmp_basic-asn1.c nf_nat_snmp_basic-asn1.h
 
diff --git a/scripts/adjust_autoksyms.sh b/scripts/adjust_autoksyms.sh
index 513da1a4a2da..d67830e6e360 100755
--- a/scripts/adjust_autoksyms.sh
+++ b/scripts/adjust_autoksyms.sh
@@ -84,6 +84,13 @@ while read sympath; do
         depfile="include/config/ksym/${sympath}.h"
         mkdir -p "$(dirname "$depfile")"
         touch "$depfile"
+        # Filesystems with coarse time precision may create timestamps
+        # equal to the one from a file that was very recently built and that
+        # needs to be rebuild. Let's guard against that by making sure our
+        # dep files are always newer than the first file we created here.
+        while [ ! "$depfile" -nt "$new_ksyms_file" ]; do
+                touch "$depfile"
+        done
         echo $((count += 1))
 done | tail -1 )
 changed=${changed:-0}
diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index b4f0f2b3f8d2..13fabb1f81db 100755
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -313,7 +313,7 @@ fi
 
 # Build kernel header package
 (cd $srctree; find . -name Makefile\* -o -name Kconfig\* -o -name \*.pl) > "$objtree/debian/hdrsrcfiles"
-(cd $srctree; find arch/*/include include scripts -type f) >> "$objtree/debian/hdrsrcfiles"
+(cd $srctree; find arch/*/include include scripts -type f -o -type l) >> "$objtree/debian/hdrsrcfiles"
 (cd $srctree; find arch/$SRCARCH -name module.lds -o -name Kbuild.platforms -o -name Platform) >> "$objtree/debian/hdrsrcfiles"
 (cd $srctree; find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f) >> "$objtree/debian/hdrsrcfiles"
 if grep -q '^CONFIG_STACK_VALIDATION=y' $KCONFIG_CONFIG ; then
diff --git a/scripts/package/mkspec b/scripts/package/mkspec
index 280027fad991..61427c6f2209 100755
--- a/scripts/package/mkspec
+++ b/scripts/package/mkspec
@@ -98,7 +98,7 @@ $M	make %{?_smp_mflags} INSTALL_MOD_PATH=%{buildroot} KBUILD_SRC= modules_instal
 $S$M    rm -f %{buildroot}/lib/modules/$KERNELRELEASE/build
 $S$M    rm -f %{buildroot}/lib/modules/$KERNELRELEASE/source
 $S$M    mkdir -p %{buildroot}/usr/src/kernels/$KERNELRELEASE
-$S$M    tar cf - . $EXCLUDES | tar xf - -C %{buildroot}/usr/src/kernels/$KERNELRELEASE
+$S$M    tar cf - $EXCLUDES . | tar xf - -C %{buildroot}/usr/src/kernels/$KERNELRELEASE
 $S$M    cd %{buildroot}/lib/modules/$KERNELRELEASE
 $S$M    ln -sf /usr/src/kernels/$KERNELRELEASE build
 $S$M    ln -sf /usr/src/kernels/$KERNELRELEASE source