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authorMasahiro Yamada <yamada.masahiro@socionext.com>2018-12-05 16:38:35 +0900
committerMasahiro Yamada <yamada.masahiro@socionext.com>2018-12-08 10:52:26 +0900
commit257edce66d31a345dff8ca9f1fd30c46e0f14058 (patch)
tree55e6519a06b02a8524c278e21d7d0c6bb432bb62
parent5e34bd1d548d440015d5bee3326e9d74cdebecd6 (diff)
kbuild: exploit parallel building for CONFIG_HEADERS_CHECK
When CONFIG_HEADERS_CHECK is enabled, the headers_check is executed as a serialized task in the vmlinux recipe. Make it independent of vmlinux so that parallel building can process the headers_check and other build targets simultaneously. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
-rw-r--r--Makefile7
1 files changed, 4 insertions, 3 deletions
diff --git a/Makefile b/Makefile
index d4ac3cb9256c..00630cf04d84 100644
--- a/Makefile
+++ b/Makefile
@@ -1035,9 +1035,6 @@ cmd_link-vmlinux = \
$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
vmlinux: scripts/link-vmlinux.sh autoksyms_recursive $(vmlinux-deps) FORCE
-ifdef CONFIG_HEADERS_CHECK
- $(Q)$(MAKE) -f $(srctree)/Makefile headers_check
-endif
ifdef CONFIG_GDB_SCRIPTS
$(Q)ln -fsn $(abspath $(srctree)/scripts/gdb/vmlinux-gdb.py)
endif
@@ -1208,6 +1205,10 @@ headers_check: headers_install
$(Q)$(MAKE) $(hdr-inst)=include/uapi dst=include HDRCHECK=1
$(Q)$(MAKE) $(hdr-inst)=arch/$(SRCARCH)/include/uapi $(hdr-dst) HDRCHECK=1
+ifdef CONFIG_HEADERS_CHECK
+all: headers_check
+endif
+
# ---------------------------------------------------------------------------
# Kernel selftest