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Subject[tip:perf/core] perf s390: Always build with -fPIC
Commit-ID:  1dc4ddf112a408e607a073d951b962b6c6e2bd6c
Gitweb: https://git.kernel.org/tip/1dc4ddf112a408e607a073d951b962b6c6e2bd6c
Author: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
AuthorDate: Thu, 30 Nov 2017 09:49:25 +0100
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Tue, 5 Dec 2017 10:24:32 -0300

perf s390: Always build with -fPIC

On s390, object files must be compiled with position-indepedent code in
order to be incrementally linked or linked to shared libraries.
Therefore, add -fPIC to the CFLAGS for s390 to ensure each object file
is built properly.

Reported-by: Jonathan Hermann <jonathan.hermann@de.ibm.com>
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Thomas Richter <tmricht@linux.vnet.ibm.com>
Cc: linux s390 list <linux-s390@vger.kernel.org>
LPU-Reference: 1512031765-9382-1-git-send-email-brueckner@linux.vnet.ibm.com
Link: https://lkml.kernel.org/n/tip-a8wga8hrl0d0r84cal96fmgv@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/Makefile.config | 1 +
1 file changed, 1 insertion(+)

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 2c437ba..bf86c09 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -41,6 +41,7 @@ ifeq ($(SRCARCH),x86)
LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
endif
NO_PERF_REGS := 0
+ CFLAGS += -fPIC
endif

ifeq ($(SRCARCH),arm)
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