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author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-13 15:45:43 +0900 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-13 15:45:43 +0900 |
commit | 5cbb3d216e2041700231bcfc383ee5f8b7fc8b74 (patch) | |
tree | a738fa82dbcefa9bd283c08bc67f38827be63937 /kernel/gcov/Makefile | |
parent | 9bc9ccd7db1c9f043f75380b5a5b94912046a60e (diff) | |
parent | 4e9b45a19241354daec281d7a785739829b52359 (diff) | |
download | op-kernel-dev-5cbb3d216e2041700231bcfc383ee5f8b7fc8b74.zip op-kernel-dev-5cbb3d216e2041700231bcfc383ee5f8b7fc8b74.tar.gz |
Merge branch 'akpm' (patches from Andrew Morton)
Merge first patch-bomb from Andrew Morton:
"Quite a lot of other stuff is banked up awaiting further
next->mainline merging, but this batch contains:
- Lots of random misc patches
- OCFS2
- Most of MM
- backlight updates
- lib/ updates
- printk updates
- checkpatch updates
- epoll tweaking
- rtc updates
- hfs
- hfsplus
- documentation
- procfs
- update gcov to gcc-4.7 format
- IPC"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (269 commits)
ipc, msg: fix message length check for negative values
ipc/util.c: remove unnecessary work pending test
devpts: plug the memory leak in kill_sb
./Makefile: export initial ramdisk compression config option
init/Kconfig: add option to disable kernel compression
drivers: w1: make w1_slave::flags long to avoid memory corruption
drivers/w1/masters/ds1wm.cuse dev_get_platdata()
drivers/memstick/core/ms_block.c: fix unreachable state in h_msb_read_page()
drivers/memstick/core/mspro_block.c: fix attributes array allocation
drivers/pps/clients/pps-gpio.c: remove redundant of_match_ptr
kernel/panic.c: reduce 1 byte usage for print tainted buffer
gcov: reuse kbasename helper
kernel/gcov/fs.c: use pr_warn()
kernel/module.c: use pr_foo()
gcov: compile specific gcov implementation based on gcc version
gcov: add support for gcc 4.7 gcov format
gcov: move gcov structs definitions to a gcc version specific file
kernel/taskstats.c: return -ENOMEM when alloc memory fails in add_del_listener()
kernel/taskstats.c: add nla_nest_cancel() for failure processing between nla_nest_start() and nla_nest_end()
kernel/sysctl_binary.c: use scnprintf() instead of snprintf()
...
Diffstat (limited to 'kernel/gcov/Makefile')
-rw-r--r-- | kernel/gcov/Makefile | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/kernel/gcov/Makefile b/kernel/gcov/Makefile index e97ca59..52aa7e8 100644 --- a/kernel/gcov/Makefile +++ b/kernel/gcov/Makefile @@ -1,3 +1,33 @@ ccflags-y := -DSRCTREE='"$(srctree)"' -DOBJTREE='"$(objtree)"' -obj-$(CONFIG_GCOV_KERNEL) := base.o fs.o gcc_3_4.o +# if-lt +# Usage VAR := $(call if-lt, $(a), $(b)) +# Returns 1 if (a < b) +if-lt = $(shell [ $(1) -lt $(2) ] && echo 1) + +ifeq ($(CONFIG_GCOV_FORMAT_3_4),y) + cc-ver := 0304 +else ifeq ($(CONFIG_GCOV_FORMAT_4_7),y) + cc-ver := 0407 +else +# Use cc-version if available, otherwise set 0 +# +# scripts/Kbuild.include, which contains cc-version function, is not included +# during make clean "make -f scripts/Makefile.clean obj=kernel/gcov" +# Meaning cc-ver is empty causing if-lt test to fail with +# "/bin/sh: line 0: [: -lt: unary operator expected" error mesage. +# This has no affect on the clean phase, but the error message could be +# confusing/annoying. So this dummy workaround sets cc-ver to zero if cc-version +# is not available. We can probably move if-lt to Kbuild.include, so it's also +# not defined during clean or to include Kbuild.include in +# scripts/Makefile.clean. But the following workaround seems least invasive. + cc-ver := $(if $(call cc-version),$(call cc-version),0) +endif + +obj-$(CONFIG_GCOV_KERNEL) := base.o fs.o + +ifeq ($(call if-lt, $(cc-ver), 0407),1) + obj-$(CONFIG_GCOV_KERNEL) += gcc_3_4.o +else + obj-$(CONFIG_GCOV_KERNEL) += gcc_4_7.o +endif |