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[dm-devel] [PATCH]: multipath-tools: check header file instead of intalled lib



Hi,
attached patch checks the header file instead of an installed lib for
dm_task_struct. Since distros have this lib add different patchs the
check should be more reliable.
Cheers,
 -- Guido
From: =?UTF-8?q?Guido=20G=C3=BCnther?= <agx sigxcpu org>
Date: Sun, 30 Aug 2009 13:38:55 +0200
Subject: [PATCH] check header file for defintion of dm_task_no_flush

instead of checking the so for the symbol (which seems to be hard to
find).
---
 libmultipath/Makefile |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libmultipath/Makefile b/libmultipath/Makefile
index 13178bd..d59e2f3 100644
--- a/libmultipath/Makefile
+++ b/libmultipath/Makefile
@@ -14,7 +14,7 @@ OBJS = memory.o parser.o vector.o devmapper.o callout.o \
        log.o configure.o structs_vec.o sysfs.o prio.o checkers.o \
        lock.o waiter.o
 
-LIBDM_API_FLUSH = $(shell if test -d /lib64 ; then objdump -T /lib64/libdevmapper.so* ; else objdump -T /lib/libdevmapper.so.* ; fi | grep -c dm_task_no_flush)
+LIBDM_API_FLUSH = $(shell grep -Ecs '^[a-z]*[[:space:]]+dm_task_no_flush' /usr/include/libdevmapper.h)
 
 ifneq ($(strip $(LIBDM_API_FLUSH)),0)
 	CFLAGS += -DLIBDM_API_FLUSH -D_GNU_SOURCE
-- 

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