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authorMichal Marek <mmarek@suse.com>2016-06-07 11:57:02 +0200
committerMichal Marek <mmarek@suse.com>2016-06-07 23:39:03 +0200
commitb36fad65d61fffe4b662d4bfb1ed673c455a36a2 (patch)
treeeb05dc1d758ff5c025ec39e0a19f1c8310b36e85
parent1a695a905c18548062509178b98bc91e67510864 (diff)
kbuild: Initialize exported variables
The NOSTDINC_FLAGS variable is exported, so it needs to be cleared to avoid duplicating its content when running make from within make (e.g. in the packaging targets). This became an issue after commit 9c8fa9bc08f6 ("kbuild: fix if_change and friends to consider argument order"), which no longer ignores the duplicate options. As Paulo Zanoni points out, the LDFLAGS_vmlinux variable has the same problem. Reported-by: "Zanoni, Paulo R" <paulo.r.zanoni@intel.com> Fixes: 9c8fa9bc08f6 ("kbuild: fix if_change and friends to consider argument order") Signed-off-by: Michal Marek <mmarek@suse.com>
-rw-r--r--Makefile2
1 files changed, 2 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 0f70de63cfdb..af0c463e908f 100644
--- a/Makefile
+++ b/Makefile
@@ -363,11 +363,13 @@ CHECK = sparse
CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
-Wbitwise -Wno-return-void $(CF)
+NOSTDINC_FLAGS =
CFLAGS_MODULE =
AFLAGS_MODULE =
LDFLAGS_MODULE =
CFLAGS_KERNEL =
AFLAGS_KERNEL =
+LDFLAGS_vmlinux =
CFLAGS_GCOV = -fprofile-arcs -ftest-coverage -fno-tree-loop-im -Wno-maybe-uninitialized
CFLAGS_KCOV = -fsanitize-coverage=trace-pc