| Patrick Williams | b48b7b4 | 2016-08-17 15:04:38 -0500 | [diff] [blame] | 1 | Get linux kernel version from Makefile of kernel source |
| 2 | |
| 3 | We get below messages while building iscsitarget, |
| 4 | |
| 5 | -- snip -- |
| 6 | x86_64-poky-linux-gcc: error: |
| 7 | /CGE7_SHDD/project_yocto_1.8/poky/build/tmp/work-shared/qemux86-64/kernel-source/include/linux/version.h: |
| 8 | No such file or directory |
| 9 | x86_64-poky-linux-gcc: fatal error: no input files |
| 10 | compilation terminated. |
| 11 | /bin/sh: line 0: [: too many arguments |
| 12 | /bin/sh: line 0: [: too many arguments |
| 13 | /bin/sh: line 0: [: too many arguments |
| 14 | /bin/sh: line 0: [: too many arguments |
| 15 | /bin/sh: line 0: [: too many arguments |
| 16 | /bin/sh: line 0: [: too many arguments |
| 17 | /bin/sh: line 0: [: too many arguments |
| 18 | /bin/sh: line 0: [: too many arguments |
| 19 | /bin/sh: line 0: [: too many arguments |
| 20 | /bin/sh: line 0: [: too many arguments |
| 21 | /bin/sh: line 0: [: too many arguments |
| 22 | /bin/sh: line 0: [: too many arguments |
| 23 | -- CUT -- |
| 24 | |
| 25 | These messages are due to absence of include/linux/version.h file in |
| 26 | kernel source directory and failed to compute linux kernel version. |
| 27 | So, use kernel source Makefile ( i.e $(KSRC)/Makefile) to find out |
| 28 | actual kernel version. |
| 29 | |
| 30 | Upstream-Status: Pending |
| 31 | |
| 32 | Signed-off-by: Jagadeesh Krishnanjanappa <jkrishnanjanappa@mvista.com> |
| 33 | |
| 34 | --- iscsitarget-1.4.20.3+svn499_org/Makefile 2014-01-27 00:00:45.000000000 +0530 |
| 35 | +++ iscsitarget-1.4.20.3+svn499/Makefile 2015-07-23 10:44:47.013600285 +0530 |
| 36 | @@ -18,27 +18,11 @@ ifeq ($(KSRC),) |
| 37 | endif |
| 38 | |
| 39 | |
| 40 | -ifneq ($(wildcard $(KSRC)/include/generated/utsrelease.h),) |
| 41 | - VERSION_FILE := $(KSRC)/include/generated/utsrelease.h |
| 42 | -else |
| 43 | - ifneq ($(wildcard $(KSRC)/include/linux/utsrelease.h),) |
| 44 | - VERSION_FILE := $(KSRC)/include/linux/utsrelease.h |
| 45 | - else |
| 46 | - VERSION_FILE := $(KSRC)/include/linux/version.h |
| 47 | - endif |
| 48 | -endif |
| 49 | - |
| 50 | -KVER := $(shell $(CC) $(CFLAGS) $(LDFLAGS) -E -dM $(VERSION_FILE) | \ |
| 51 | - grep UTS_RELEASE | awk '{ print $$3 }' | sed 's/\"//g') |
| 52 | - |
| 53 | KMOD := /lib/modules/$(KVER)/extra |
| 54 | - |
| 55 | -KMAJ := $(shell echo $(KVER) | \ |
| 56 | - sed -e 's/^\([0-9][0-9]*\)\.[0-9][0-9]*\.[0-9][0-9]*.*/\1/') |
| 57 | -KMIN := $(shell echo $(KVER) | \ |
| 58 | - sed -e 's/^[0-9][0-9]*\.\([0-9][0-9]*\)\.[0-9][0-9]*.*/\1/') |
| 59 | -KREV := $(shell echo $(KVER) | \ |
| 60 | - sed -e 's/^[0-9][0-9]*\.[0-9][0-9]*\.\([0-9][0-9]*\).*/\1/') |
| 61 | +KMAJ := $(shell cat $(KSRC)/Makefile | grep ^VERSION | gawk -F " " '{ print $$NF }') |
| 62 | +KMIN := $(shell cat $(KSRC)/Makefile | grep ^PATCHLEVEL | gawk -F " " '{ print $$NF }') |
| 63 | +KREV := $(shell cat $(KSRC)/Makefile | grep ^SUBLEVEL | gawk -F " " '{ print $$NF }') |
| 64 | +KVER := ${KMAJ}.${KMIN}.${KREV} |
| 65 | |
| 66 | kver_eq = $(shell [ $(KMAJ) -eq $(1) -a $(KMIN) -eq $(2) -a $(KREV) -eq $(3) ] && \ |
| 67 | echo 1 || echo 0) |