Re: [dpdk-dev] [PATCH 2/2] mk: clean up static link with DPAA libraries

[Hemant Agrawal <hemant.agrawal@nxp.com>]

Hi Thomas,
On 2/23/2018 4:23 AM, Thomas Monjalon wrote:
> The bus and mempool dependencies should be declared after the PMD
> libraries needing them.
> 
> Moreover there is no need to disable the PMDs at the Makefile level,
> in case the dependencies are not met.
> Such dependencies should be handled at configuration time.
> 
> The other side effect of this clean-up is to take into account
> the mempool option CONFIG_RTE_LIBRTE_DPAA2_MEMPOOL.
> 
> Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
> ---
>   mk/rte.app.mk | 20 ++++----------------
>   1 file changed, 4 insertions(+), 16 deletions(-)

This patch looks good, however I think we (NXP) need to also set some 
dependency check in makefile to avoid dpaaX PMD compilations, if bus is 
not available. I am working on a patch for the same.

Regards,
Hemant

> 
> diff --git a/mk/rte.app.mk b/mk/rte.app.mk
> index 3eb41d176..b71a71663 100644
> --- a/mk/rte.app.mk
> +++ b/mk/rte.app.mk
> @@ -127,11 +127,7 @@ _LDLIBS-$(CONFIG_RTE_LIBRTE_BNX2X_PMD)      += -lrte_pmd_bnx2x -lz
>   _LDLIBS-$(CONFIG_RTE_LIBRTE_BNXT_PMD)       += -lrte_pmd_bnxt
>   _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_BOND)       += -lrte_pmd_bond
>   _LDLIBS-$(CONFIG_RTE_LIBRTE_CXGBE_PMD)      += -lrte_pmd_cxgbe
> -ifeq ($(CONFIG_RTE_LIBRTE_DPAA_BUS),y)
> -_LDLIBS-$(CONFIG_RTE_LIBRTE_DPAA_BUS)       += -lrte_bus_dpaa
> -_LDLIBS-$(CONFIG_RTE_LIBRTE_DPAA_MEMPOOL)   += -lrte_mempool_dpaa
>   _LDLIBS-$(CONFIG_RTE_LIBRTE_DPAA_PMD)       += -lrte_pmd_dpaa
> -endif
>   _LDLIBS-$(CONFIG_RTE_LIBRTE_DPAA2_PMD)      += -lrte_pmd_dpaa2
>   _LDLIBS-$(CONFIG_RTE_LIBRTE_E1000_PMD)      += -lrte_pmd_e1000
>   _LDLIBS-$(CONFIG_RTE_LIBRTE_ENA_PMD)        += -lrte_pmd_ena
> @@ -204,16 +200,8 @@ _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_ARMV8_CRYPTO)    += -lrte_pmd_armv8
>   _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_ARMV8_CRYPTO)    += -L$(ARMV8_CRYPTO_LIB_PATH) -larmv8_crypto
>   _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_MRVL_CRYPTO) += -L$(LIBMUSDK_PATH)/lib -lrte_pmd_mrvl_crypto -lmusdk
>   _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_CRYPTO_SCHEDULER) += -lrte_pmd_crypto_scheduler
> -ifeq ($(CONFIG_RTE_LIBRTE_FSLMC_BUS),y)
>   _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_DPAA2_SEC)   += -lrte_pmd_dpaa2_sec
> -_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_DPAA2_SEC)   += -lrte_mempool_dpaa2
> -_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_DPAA2_SEC)   += -lrte_bus_fslmc
> -endif # CONFIG_RTE_LIBRTE_FSLMC_BUS
> -
> -ifeq ($(CONFIG_RTE_LIBRTE_DPAA_BUS),y)
> -_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_DPAA_SEC)   += -lrte_bus_dpaa
>   _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_DPAA_SEC)   += -lrte_pmd_dpaa_sec
> -endif # CONFIG_RTE_LIBRTE_DPAA_BUS
>   
>   endif # CONFIG_RTE_LIBRTE_CRYPTODEV
>   
> @@ -232,10 +220,10 @@ ifeq ($(CONFIG_RTE_LIBRTE_RAWDEV),y)
>   _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_SKELETON_RAWDEV) += -lrte_pmd_skeleton_rawdev
>   endif # CONFIG_RTE_LIBRTE_RAWDEV
>   
> -ifeq ($(CONFIG_RTE_LIBRTE_DPAA2_PMD),y)
> -_LDLIBS-$(CONFIG_RTE_LIBRTE_DPAA2_PMD)      += -lrte_bus_fslmc
> -_LDLIBS-$(CONFIG_RTE_LIBRTE_DPAA2_PMD)      += -lrte_mempool_dpaa2
> -endif # CONFIG_RTE_LIBRTE_DPAA2_PMD
> +_LDLIBS-$(CONFIG_RTE_LIBRTE_DPAA_BUS)       += -lrte_bus_dpaa
> +_LDLIBS-$(CONFIG_RTE_LIBRTE_DPAA_MEMPOOL)   += -lrte_mempool_dpaa
> +_LDLIBS-$(CONFIG_RTE_LIBRTE_FSLMC_BUS)      += -lrte_bus_fslmc
> +_LDLIBS-$(CONFIG_RTE_LIBRTE_DPAA2_MEMPOOL)  += -lrte_mempool_dpaa2
>   
>   endif # !CONFIG_RTE_BUILD_SHARED_LIBS
>   
>