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List:       linux-keyrings
Subject:    [PATCH v3][RESEND] scripts: use pkg-config to locate libcrypto
From:       Rolf Eike Beer <eb () emlix ! com>
Date:       2019-09-10 6:41:01
Message-ID: 2010898.sAvVGPNi7W () devpool35
[Download RAW message or body]

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 | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/scripts/Makefile b/scripts/Makefile
index 16bcb8087899..1715adcd8f81 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 || echo -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)
 
-- 
2.23.0




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