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authorOlivier Matz <olivier.matz@6wind.com>2017-03-24 14:21:31 +0100
committerThomas Monjalon <thomas.monjalon@6wind.com>2017-03-27 23:28:43 +0200
commitfeb9f680cd2c1df3d47bf4c05dc872467176e1e3 (patch)
treecaef9798533f2249ad24668b4e6d21d247c792a1 /drivers/net/af_packet/Makefile
parent5b2976c718e0717f5e1b39b50ac71fb2ce80e47c (diff)
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mk: optimize directory dependencies
Before this patch, the management of dependencies between directories had several issues: - the generation of .depdirs, done at configuration is slow: it can take more than one minute on some slow targets (usually ~10s on a standard PC without -j). - for instance, it is possible to express a dependency like: - app/foo depends on lib/librte_foo - and lib/librte_foo depends on app/bar But this won't work because the directories are traversed with a depth-first algorithm, so we have to choose between doing 'app' before or after 'lib'. - the script depdirs-rule.sh is too complex. - we cannot use "make -d" for debug, because the output of make is used for the generation of .depdirs. This patch moves the DEPDIRS-* variables in the upper Makefile, making the dependencies much easier to calculate. A DEPDIRS variable is still used to process library dependencies in LDLIBS. After this commit, "make config" is almost immediate. Signed-off-by: Olivier Matz <olivier.matz@6wind.com> Tested-by: Robin Jarry <robin.jarry@6wind.com> Tested-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Diffstat (limited to 'drivers/net/af_packet/Makefile')
-rw-r--r--drivers/net/af_packet/Makefile7
1 files changed, 0 insertions, 7 deletions
diff --git a/drivers/net/af_packet/Makefile b/drivers/net/af_packet/Makefile
index e14d6d0..70d517c 100644
--- a/drivers/net/af_packet/Makefile
+++ b/drivers/net/af_packet/Makefile
@@ -50,11 +50,4 @@ CFLAGS += $(WERROR_FLAGS)
#
SRCS-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET) += rte_eth_af_packet.c
-# this lib depends upon:
-DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET) += lib/librte_eal
-DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET) += lib/librte_mbuf
-DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET) += lib/librte_mempool
-DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET) += lib/librte_ether
-DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET) += lib/librte_kvargs
-
include $(RTE_SDK)/mk/rte.lib.mk