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Subject[PATCH v2 RESEND] scripts: use pkg-config to locate libcrypto
Date
From cca931322233827dc21c7609f21f4042d78f220e Mon Sep 17 00:00:00 2001
From: Rolf Eike Beer <eb@emlix.com>
Date: Thu, 22 Nov 2018 16:40:49 +0100
Subject: scripts: use pkg-config to locate libcrypto

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 # 4.19.x
---
scripts/Makefile | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)

Last time I got notice about a build error with 4.19.3, but it works fine for
me on top of both 4.19 and 4.19.48.

diff --git a/scripts/Makefile b/scripts/Makefile
index 9d442ee050bd..bd2a30b43f28 100644
--- a/scripts/Makefile
+++ b/scripts/Makefile
@@ -8,7 +8,11 @@
# conmakehash: Create chartable
# conmakehash: Create arrays for initializing the kernel console tables

+PKG_CONFIG?= pkg-config
+
HOST_EXTRACFLAGS += -I$(srctree)/tools/include
+CRYPTO_LIBS = $(shell $(PKG_CONFIG) --libs libcrypto 2> /dev/null || -lcrypto)
+CRYPTO_CFLAGS = $(shell $(PKG_CONFIG) --cflags libcrypto 2> /dev/null)

hostprogs-$(CONFIG_BUILD_BIN2C) += bin2c
hostprogs-$(CONFIG_KALLSYMS) += kallsyms
@@ -23,8 +27,9 @@ 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 = $(CRYPTO_LIBS)
+HOSTCFLAGS_extract-cert.o = $(CRYPTO_CFLAGS)
+HOSTLDLIBS_extract-cert = $(CRYPTO_LIBS)

always := $(hostprogs-y) $(hostprogs-m)

--
2.21.0



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