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From:   Xiaoyao Li <xiaoyao.li@intel.com>
To:     Shuah Khan <shuah@kernel.org>, Paolo Bonzini <pbonzini@redhat.com>,
        linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org,
        kvm@vger.kernel.org
Cc:     Xiaoyao Li <xiaoyao.li@intel.com>
Subject: [PATCH 1/2] kvm: selftests: Fix no directory error when OUTPUT specified
Date:   Sun, 15 Mar 2020 17:34:24 +0800
Message-Id: <20200315093425.33600-2-xiaoyao.li@intel.com>
In-Reply-To: <20200315093425.33600-1-xiaoyao.li@intel.com>
References: <20200315093425.33600-1-xiaoyao.li@intel.com>
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When build kvm selftests to an specified directory with

	make OUTPUT=~/kvm-selftests

it encouters following error：

/usr/bin/ld: cannot open output file
/home/lxy/kvm-selftests/x86_64/cr4_cpuid_sync_test: No such file or
directory
collect2: error: ld returned 1 exit status
make: *** [../lib.mk:141:
/home/lxy/kvm-selftests/x86_64/cr4_cpuid_sync_test] Error 1

Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
---
 tools/testing/selftests/kvm/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile
index d91c53b726e6..86797e0242d4 100644
--- a/tools/testing/selftests/kvm/Makefile
+++ b/tools/testing/selftests/kvm/Makefile
@@ -66,6 +66,7 @@ LDFLAGS += -pthread $(no-pie-option) $(pgste-option)
 # After inclusion, $(OUTPUT) is defined and
 # $(TEST_GEN_PROGS) starts with $(OUTPUT)/
 include ../lib.mk
+x := $(shell mkdir -p $(sort $(dir $(TEST_GEN_PROGS))))
 
 STATIC_LIBS := $(OUTPUT)/libkvm.a
 LIBKVM_OBJ := $(patsubst %.c, $(OUTPUT)/%.o, $(LIBKVM))
-- 
2.20.1