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Subject[PATCH AUTOSEL 5.4 019/187] libtraceevent: Fix lib installation with O=
Date
From: Sudip Mukherjee <sudipm.mukherjee@gmail.com>

[ Upstream commit 587db8ebdac2c5eb3a8851e16b26f2e2711ab797 ]

When we use 'O=' with make to build libtraceevent in a separate folder
it fails to install libtraceevent.a and libtraceevent.so.1.1.0 with the
error:

INSTALL /home/sudip/linux/obj-trace/libtraceevent.a
INSTALL /home/sudip/linux/obj-trace/libtraceevent.so.1.1.0

cp: cannot stat 'libtraceevent.a': No such file or directory
Makefile:225: recipe for target 'install_lib' failed
make: *** [install_lib] Error 1

I used the command:

make O=../../../obj-trace DESTDIR=~/test prefix==/usr install

It turns out libtraceevent Makefile, even though it builds in a separate
folder, searches for libtraceevent.a and libtraceevent.so.1.1.0 in its
source folder.

So, add the 'OUTPUT' prefix to the source path so that 'make' looks for
the files in the correct place.

Signed-off-by: Sudipm Mukherjee <sudipm.mukherjee@gmail.com>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: linux-trace-devel@vger.kernel.org
Link: http://lore.kernel.org/lkml/20191115113610.21493-1-sudipm.mukherjee@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
tools/lib/traceevent/Makefile | 1 +
1 file changed, 1 insertion(+)

diff --git a/tools/lib/traceevent/Makefile b/tools/lib/traceevent/Makefile
index 5315f3787f8d..d008e64042ce 100644
--- a/tools/lib/traceevent/Makefile
+++ b/tools/lib/traceevent/Makefile
@@ -97,6 +97,7 @@ EVENT_PARSE_VERSION = $(EP_VERSION).$(EP_PATCHLEVEL).$(EP_EXTRAVERSION)

LIB_TARGET = libtraceevent.a libtraceevent.so.$(EVENT_PARSE_VERSION)
LIB_INSTALL = libtraceevent.a libtraceevent.so*
+LIB_INSTALL := $(addprefix $(OUTPUT),$(LIB_INSTALL))

INCLUDES = -I. -I $(srctree)/tools/include $(CONFIG_INCLUDES)

--
2.20.1
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