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From:   Rolf Eike Beer <eb@emlix.com>
To:     Linux Kernel Developers List <linux-kernel@vger.kernel.org>
Cc:     David Howells <dhowells@redhat.com>,
        David Woodhouse <dwmw2@infradead.org>, keyrings@vger.kernel.org
Subject: [PATCH] scripts: use pkg-config to locate libcrypto
Date:   Thu, 22 Nov 2018 16:45:09 +0100
Message-ID: <3861016.XCek94Sdvs@devpool21>
Organization: emlix GmbH
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Sender: linux-kernel-owner@vger.kernel.org
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Otherwise build fails if the headers are not in the default location. While at
it also ask pkg-config for the libs, with fallback to the existing value.

Signed-off-by: Rolf Eike Beer <eb@emlix.com>
Cc: stable@vger.kernel.org
---
 scripts/Makefile | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/scripts/Makefile b/scripts/Makefile
index ece52ff20171..a303f478a65b 100644
--- a/scripts/Makefile
+++ b/scripts/Makefile
@@ -8,6 +8,8 @@
 # conmakehash:   Create chartable
 # conmakehash:	 Create arrays for initializing the kernel console tables
 
+PKG_CONFIG?= pkg-config
+
 HOST_EXTRACFLAGS += -I$(srctree)/tools/include
 
 hostprogs-$(CONFIG_BUILD_BIN2C)  += bin2c
@@ -23,8 +25,9 @@ hostprogs-$(CONFIG_SYSTEM_EXTRA_CERTIFICATE) += insert-sys-cert
 
 HOSTCFLAGS_sortextable.o = -I$(srctree)/tools/include
 HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include
-HOSTLDLIBS_sign-file = -lcrypto
-HOSTLDLIBS_extract-cert = -lcrypto
+HOSTLDLIBS_sign-file = $(shell $(PKG_CONFIG) --libs libcrypto 2> /dev/null || -lcrypto)
+HOSTCFLAGS_extract-cert.o = $(shell $(PKG_CONFIG) --cflags libcrypto 2> /dev/null)
+HOSTLDLIBS_extract-cert = $(shell $(PKG_CONFIG) --libs libcrypto 2> /dev/null || -lcrypto)
 
 always		:= $(hostprogs-y) $(hostprogs-m)
 
-- 
2.19.1


-- 
Rolf Eike Beer, emlix GmbH, http://www.emlix.com
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