btrfs: fix build when using M=fs/btrfs

[sfrench/cifs-2.6.git] / fs / btrfs / Makefile

diff --git a/fs/btrfs/Makefile b/fs/btrfs/Makefile
index b634c42115ead9a256f7c261ef76b0fa4e1e7c59..b4fb997eda16257bf1bb126b51e0383aa36fa64f 100644 (file)
--- a/fs/btrfs/Makefile
+++ b/fs/btrfs/Makefile
@@ -7,10 +7,12 @@ subdir-ccflags-y += -Wmissing-format-attribute
 subdir-ccflags-y += -Wmissing-prototypes
 subdir-ccflags-y += -Wold-style-definition
 subdir-ccflags-y += -Wmissing-include-dirs
-subdir-ccflags-y += $(call cc-option, -Wunused-but-set-variable)
-subdir-ccflags-y += $(call cc-option, -Wunused-const-variable)
-subdir-ccflags-y += $(call cc-option, -Wpacked-not-aligned)
-subdir-ccflags-y += $(call cc-option, -Wstringop-truncation)
+condflags := \
+       $(call cc-option, -Wunused-but-set-variable)            \
+       $(call cc-option, -Wunused-const-variable)              \
+       $(call cc-option, -Wpacked-not-aligned)                 \
+       $(call cc-option, -Wstringop-truncation)
+subdir-ccflags-y += $(condflags)
 # The following turn off the warnings enabled by -Wextra
 subdir-ccflags-y += -Wno-missing-field-initializers
 subdir-ccflags-y += -Wno-sign-compare