[dpdk-dev] [PATCH v3] crypto/openssl: add openssl path for cross compile

[Akhil Goyal]

OPENSSL_PATH should be defined in case openssl
driver is cross compiled

Signed-off-by: Akhil Goyal <akhil.goyal at nxp.com>
---
changes in v3:
make OPENSSL_PATH usage conditional if it is not set as suggested by Pablo
 doc/guides/cryptodevs/openssl.rst | 4 ++++
 drivers/crypto/openssl/Makefile   | 7 +++++++
 mk/rte.app.mk                     | 4 ++++
 3 files changed, 15 insertions(+)

diff --git a/doc/guides/cryptodevs/openssl.rst b/doc/guides/cryptodevs/openssl.rst
index f18a456..08cc9ba 100644
--- a/doc/guides/cryptodevs/openssl.rst
+++ b/doc/guides/cryptodevs/openssl.rst
@@ -88,6 +88,10 @@ sudo apt-get install libc6-dev-i386 (for i686-native-linuxapp-gcc target)
 This code was also verified on Fedora 24.
 This code was NOT yet verified on FreeBSD.
 
+In case openssl is cross compiled, openssl can be installed separately
+and path for openssl install directory can be given as
+export OPENSSL_PATH=<openssl install dir>
+
 Initialization
 --------------
 
diff --git a/drivers/crypto/openssl/Makefile b/drivers/crypto/openssl/Makefile
index e5fdfb5..a6f13e0 100644
--- a/drivers/crypto/openssl/Makefile
+++ b/drivers/crypto/openssl/Makefile
@@ -35,6 +35,9 @@ LIB = librte_pmd_openssl.a
 
 # build flags
 CFLAGS += -O3
+ifneq ($(OPENSSL_PATH),)
+CFLAGS += -I${OPENSSL_PATH}/include/
+endif
 CFLAGS += $(WERROR_FLAGS)
 
 # library version
@@ -44,7 +47,11 @@ LIBABIVER := 1
 EXPORT_MAP := rte_pmd_openssl_version.map
 
 # external library dependencies
+ifneq ($(OPENSSL_PATH),)
+LDLIBS += -L${OPENSSL_PATH}/lib/ -lcrypto
+else
 LDLIBS += -lcrypto
+endif
 
 # library source files
 SRCS-$(CONFIG_RTE_LIBRTE_PMD_OPENSSL) += rte_openssl_pmd.c
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index c25fdd9..799aa99 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -151,7 +151,11 @@ _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_AESNI_MB)    += -lrte_pmd_aesni_mb
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_AESNI_MB)    += -L$(AESNI_MULTI_BUFFER_LIB_PATH) -lIPSec_MB
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_AESNI_GCM)   += -lrte_pmd_aesni_gcm
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_AESNI_GCM)   += -L$(AESNI_MULTI_BUFFER_LIB_PATH) -lIPSec_MB
+ifeq ($(OPENSSL_PATH),)
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_OPENSSL)     += -lrte_pmd_openssl -lcrypto
+else
+_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_OPENSSL)     += -L${OPENSSL_PATH}/lib -lrte_pmd_openssl -lcrypto
+endif # ($(OPENSSL_PATH),)
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_NULL_CRYPTO) += -lrte_pmd_null_crypto
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_QAT)         += -lrte_pmd_qat -lcrypto
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_SNOW3G)      += -lrte_pmd_snow3g
-- 
2.9.3