lvm2: tweak MODPROBE_CMD for cross compile

Lvm uses variable MODPROBE_CMD at runtime, so build time detection of modprobe
is incorrect.
------
|lvm lvcreate --thinpool wrl/pool00 --size 5556m --config  devices
{ preferred_names=["^/dev/mapper/", "^/dev/md/", "^/dev/sd"]
filter=["r|/loop1$|","r|/loop2$|","r|/loop3$|","r|/loop4$|","r|/loop5$|","r|/loop6$|","r|/loop7$|"] }
|tmp/sysroots/x86_64-linux/usr/bin/modprobe: execvp failed: No such file or directory
|tmp/sysroots/x86_64-linux/usr/bin/modprobe failed: 2
------

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

2 files changed, 41 insertions, 0 deletions

diff --git a/meta-oe/recipes-support/lvm2/lvm2.inc b/meta-oe/recipes-support/lvm2/lvm2.inc
index 3a5e1c46a..e452f11bf 100644
--- a/meta-oe/recipes-support/lvm2/lvm2.inc
+++ b/meta-oe/recipes-support/lvm2/lvm2.inc
@@ -11,6 +11,7 @@ SRC_URI = "ftp://sources.redhat.com/pub/lvm2/old/LVM2.${PV}.tgz \
            file://0002-use-PTHREAD_MUTEX_RECURSIVE-instead-of-PTHREAD_MUTEX.patch \
            file://0003-Guard-use-of-mallinfo-with-__GLIBC__.patch \
            file://0004-include-fcntl.h-for-O_-defines-and-fcntl-signature.patch \
+           file://0005-tweak-MODPROBE_CMD-for-cross-compile.patch \
            "
 
 S = "${WORKDIR}/LVM2.${PV}"
@@ -39,6 +40,8 @@ EXTRA_OECONF = "--with-user= \
                 --with-systemdsystemunitdir=${systemd_system_unitdir} \
 "
 
+CACHED_CONFIGUREVARS += "MODPROBE_CMD=${base_sbindir}/modprobe"
+
 do_install_append() {
     # Install machine specific configuration file
     install -m 0644 ${WORKDIR}/lvm.conf ${D}${sysconfdir}/lvm/lvm.conf
diff --git a/meta-oe/recipes-support/lvm2/lvm2/0005-tweak-MODPROBE_CMD-for-cross-compile.patch b/meta-oe/recipes-support/lvm2/lvm2/0005-tweak-MODPROBE_CMD-for-cross-compile.patch
new file mode 100644
index 000000000..8db320d5e
--- /dev/null
+++ b/meta-oe/recipes-support/lvm2/lvm2/0005-tweak-MODPROBE_CMD-for-cross-compile.patch
@@ -0,0 +1,38 @@
+From 72866782f83c8cf85b10017df461128af90cae6e Mon Sep 17 00:00:00 2001
+From: Hongxu Jia <hongxu.jia@windriver.com>
+Date: Tue, 30 Aug 2016 22:33:47 -0400
+Subject: [PATCH] tweak MODPROBE_CMD for cross compile
+
+Lvm uses variable MODPROBE_CMD at runtime, so build time detection of modprobe
+is incorrect.
+------
+|lvm lvcreate --thinpool wrl/pool00 --size 5556m --config  devices
+{ preferred_names=["^/dev/mapper/", "^/dev/md/", "^/dev/sd"]
+filter=["r|/loop1$|","r|/loop2$|","r|/loop3$|","r|/loop4$|","r|/loop5$|","r|/loop6$|","r|/loop7$|"] }
+|tmp/sysroots/x86_64-linux/usr/bin/modprobe: execvp failed: No such file or directory
+|tmp/sysroots/x86_64-linux/usr/bin/modprobe failed: 2
+------
+
+Upstream-Status: Inappropriate [oe specific]
+
+Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
+---
+ configure.in | 2 --
+ 1 file changed, 2 deletions(-)
+
+diff --git a/configure.in b/configure.in
+index 8e04782..77681b0 100644
+--- a/configure.in
++++ b/configure.in
+@@ -1779,8 +1779,6 @@ if test "$UDEV_SYNC" = yes; then
+ fi
+ 
+ ################################################################################
+-AC_PATH_TOOL(MODPROBE_CMD, modprobe)
+-
+ if test -n "$MODPROBE_CMD"; then
+        AC_DEFINE_UNQUOTED([MODPROBE_CMD], ["$MODPROBE_CMD"], [The path to 'modprobe', if available.])
+ fi
+-- 
+2.8.1
+