While fixing myself the mktime conflict (which someone already merged), I also
improved a few comments. Merge them up.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[email protected]>
---
arch/um/Makefile | 14 +++++++++-----
1 files changed, 9 insertions(+), 5 deletions(-)
diff --git a/arch/um/Makefile b/arch/um/Makefile
index 45435ff..936fd72 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -47,13 +47,16 @@ ARCH_INCLUDE += -I$(srctree)/$(ARCH_DIR)
endif
SYS_DIR := $(ARCH_DIR)/include/sysdep-$(SUBARCH)
-# -Dvmap=kernel_vmap affects everything, and prevents anything from
-# referencing the libpcap.o symbol so named.
+# -Dvmap=kernel_vmap prevents anything from referencing the libpcap.o symbol so
+# named - it's a common symbol in libpcap, so we get a binary which crashes.
#
-# Same things for in6addr_loopback - found in libc.
+# Same things for in6addr_loopback and mktime - found in libc. For these two we
+# only get link-time error, luckily.
+#
+# These apply to USER_CFLAGS to.
-CFLAGS += $(CFLAGS-y) -D__arch_um__ -DSUBARCH=\"$(SUBARCH)\" \
- $(ARCH_INCLUDE) $(MODE_INCLUDE) -Dvmap=kernel_vmap \
+CFLAGS += $(CFLAGS-y) -D__arch_um__ -DSUBARCH=\"$(SUBARCH)\" \
+ $(ARCH_INCLUDE) $(MODE_INCLUDE) -Dvmap=kernel_vmap \
-Din6addr_loopback=kernel_in6addr_loopback
AFLAGS += $(ARCH_INCLUDE)
@@ -66,6 +69,7 @@ USER_CFLAGS := $(patsubst -D__KERNEL__,,
# kernel_errno to separate them from the libc errno. This allows -fno-common
# in CFLAGS. Otherwise, it would cause ld to complain about the two different
# errnos.
+# These apply to kernelspace only.
CFLAGS += -Derrno=kernel_errno -Dsigprocmask=kernel_sigprocmask \
-Dmktime=kernel_mktime
-
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