From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm1-f67.google.com (mail-wm1-f67.google.com [209.85.128.67]) by dpdk.org (Postfix) with ESMTP id D6C2B324D for ; Tue, 22 Jan 2019 14:12:07 +0100 (CET) Received: by mail-wm1-f67.google.com with SMTP id n190so14118128wmd.0 for ; Tue, 22 Jan 2019 05:12:07 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=0sxkGmQmHTBIFK4UPZVJ4MT/L8ir4wPlRVLQHhlnOvs=; b=aXkUIhFSsscQtwaYblDE5MPgB0HJwRKPSK+fXL0aArvv2KBc4Y8nV6IYIeuiSSN+FV aGA6z40HLmjkpyv3GCEQKL6kuVYOoIdIwhz3siTvqVxHnK0wLo+J2mAsba++sKF5FF39 ALDJv2iDCE5GQbUnu51teZyvQkf9FOFY2bO/fcUukV3anNfMDJlMmjEhDweWoBcB35/t w6uPVz9Px0/QVEvp4EGgJssBfPMTR6V6i96jV60IveVJeGGALus74oBHuSHMy2gHxH82 aVyhOFc3OsGtigTzP1z3Lbs0kAdgPLBx2ewDaoSmUZVGs3/ipWF1dn++ObGZL7k0ngb/ MYHA== X-Gm-Message-State: AJcUukcGDgG4V7mKS5QDGwFtB5BLTgp66B5agJYg5qB2MgXPXmKs4yic 7+QGpq5YXwiWhXqqcnXpAoIu/FSa X-Google-Smtp-Source: ALg8bN7fv5OHawRpcvzVL+y6MHdh3eSNr25s/C26lR4ha1g+TFhcNZpA3DTud3kjcwJp8h56ji5ZZg== X-Received: by 2002:a1c:c90b:: with SMTP id f11mr3679759wmb.33.1548162726952; Tue, 22 Jan 2019 05:12:06 -0800 (PST) Received: from localhost ([2001:1be0:110d:fcfe:132c:a71a:1896:1395]) by smtp.gmail.com with ESMTPSA id l20sm206326452wrb.93.2019.01.22.05.12.05 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 22 Jan 2019 05:12:05 -0800 (PST) From: Luca Boccassi To: dev@dpdk.org Cc: Luca Boccassi Date: Tue, 22 Jan 2019 13:10:52 +0000 Message-Id: <20190122131054.25196-2-bluca@debian.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190122131054.25196-1-bluca@debian.org> References: <20190103175725.5836-1-bluca@debian.org> <20190122131054.25196-1-bluca@debian.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v5 2/4] build: use dependency() instead of find_library() X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Jan 2019 13:12:08 -0000 Whenever possible (if the library ships a pkg-config file) use meson's dependency() function to look for it, as it will automatically add it to the Requires.private list if needed, to allow for static builds to succeed for reverse dependencies of DPDK. Otherwise the recursive dependencies are not parsed, and users doing static builds have to resolve them manually by themselves. When using this API avoid additional checks that are superfluous and take extra time, and avoid adding the linker flag manually which causes it to be duplicated. Signed-off-by: Luca Boccassi --- v2: split libbsd change in a separate commit, remove CC to stable as a meson bump will be required v4: update comment in drivers/meson.build to clarify role of pkgconfig_extra_libs v5: remove -lz from drivers/compress/zlib drivers/compress/zlib/meson.build | 1 - drivers/crypto/ccp/meson.build | 1 - drivers/crypto/openssl/meson.build | 1 - drivers/crypto/qat/meson.build | 1 - drivers/meson.build | 9 +++++---- drivers/net/bnx2x/meson.build | 2 +- drivers/net/mlx4/meson.build | 6 +++--- drivers/net/mlx5/meson.build | 6 +++--- drivers/net/pcap/meson.build | 5 ++--- lib/librte_bpf/meson.build | 4 ++-- lib/librte_telemetry/meson.build | 2 +- 11 files changed, 17 insertions(+), 21 deletions(-) diff --git a/drivers/compress/zlib/meson.build b/drivers/compress/zlib/meson.build index 7748de2df..b036703c7 100644 --- a/drivers/compress/zlib/meson.build +++ b/drivers/compress/zlib/meson.build @@ -9,6 +9,5 @@ endif deps += 'bus_vdev' sources = files('zlib_pmd.c', 'zlib_pmd_ops.c') ext_deps += dep -pkgconfig_extra_libs += '-lz' allow_experimental_apis = true diff --git a/drivers/crypto/ccp/meson.build b/drivers/crypto/ccp/meson.build index e43b00591..915c4c854 100644 --- a/drivers/crypto/ccp/meson.build +++ b/drivers/crypto/ccp/meson.build @@ -18,4 +18,3 @@ sources = files('rte_ccp_pmd.c', 'ccp_pmd_ops.c') ext_deps += dep -pkgconfig_extra_libs += '-lcrypto' diff --git a/drivers/crypto/openssl/meson.build b/drivers/crypto/openssl/meson.build index 77a6596d7..d56a32366 100644 --- a/drivers/crypto/openssl/meson.build +++ b/drivers/crypto/openssl/meson.build @@ -9,4 +9,3 @@ allow_experimental_apis = true deps += 'bus_vdev' sources = files('rte_openssl_pmd.c', 'rte_openssl_pmd_ops.c') ext_deps += dep -pkgconfig_extra_libs += '-lcrypto' diff --git a/drivers/crypto/qat/meson.build b/drivers/crypto/qat/meson.build index 9cc98d2c2..21f969735 100644 --- a/drivers/crypto/qat/meson.build +++ b/drivers/crypto/qat/meson.build @@ -13,6 +13,5 @@ if dep.found() 'qat_sym.c', 'qat_sym_session.c') qat_ext_deps += dep - pkgconfig_extra_libs += '-lcrypto' qat_cflags += '-DBUILD_QAT_SYM' endif diff --git a/drivers/meson.build b/drivers/meson.build index e37d4fe2b..69d0556d3 100644 --- a/drivers/meson.build +++ b/drivers/meson.build @@ -46,10 +46,11 @@ foreach class:driver_classes # set up internal deps. Drivers can append/override as necessary deps = std_deps # ext_deps: Stores external library dependency got - # using dependency() or cc.find_library(). For most cases, we - # probably also need to specify the "-l" flags in - # pkgconfig_extra_libs variable too, so that it can be reflected - # in the pkgconfig output for static builds + # using dependency() (preferred) or find_library(). + # For the find_library() case (but not with dependency()) we also + # need to specify the "-l" flags in pkgconfig_extra_libs variable + # too, so that it can be reflected in the pkgconfig output for + # static builds. ext_deps = [] pkgconfig_extra_libs = [] diff --git a/drivers/net/bnx2x/meson.build b/drivers/net/bnx2x/meson.build index e3c688869..dd189ffc4 100644 --- a/drivers/net/bnx2x/meson.build +++ b/drivers/net/bnx2x/meson.build @@ -1,7 +1,7 @@ # SPDX-License-Identifier: BSD-3-Clause # Copyright(c) 2018 Intel Corporation -dep = cc.find_library('z', required: false) +dep = dependency('zlib', required: false) build = dep.found() ext_deps += dep cflags += '-DZLIB_CONST' diff --git a/drivers/net/mlx4/meson.build b/drivers/net/mlx4/meson.build index 4bccd68e0..b4f9672e7 100644 --- a/drivers/net/mlx4/meson.build +++ b/drivers/net/mlx4/meson.build @@ -14,9 +14,9 @@ if pmd_dlopen ] endif libs = [ - cc.find_library('mnl', required:false), - cc.find_library('mlx4', required:false), - cc.find_library('ibverbs', required:false), + dependency('libmnl', required:false), + dependency('libmlx4', required:false), + dependency('libibverbs', required:false), ] build = true foreach lib:libs diff --git a/drivers/net/mlx5/meson.build b/drivers/net/mlx5/meson.build index 4540c455b..0cf2f0873 100644 --- a/drivers/net/mlx5/meson.build +++ b/drivers/net/mlx5/meson.build @@ -14,9 +14,9 @@ if pmd_dlopen ] endif libs = [ - cc.find_library('mnl', required:false), - cc.find_library('mlx5', required:false), - cc.find_library('ibverbs', required:false), + dependency('libmnl', required:false), + dependency('libmlx5', required:false), + dependency('libibverbs', required:false), ] build = true foreach lib:libs diff --git a/drivers/net/pcap/meson.build b/drivers/net/pcap/meson.build index 0c4e0201a..89c9d7a74 100644 --- a/drivers/net/pcap/meson.build +++ b/drivers/net/pcap/meson.build @@ -1,12 +1,11 @@ # SPDX-License-Identifier: BSD-3-Clause # Copyright(c) 2017 Intel Corporation -pcap_dep = cc.find_library('pcap', required: false) -if pcap_dep.found() and cc.has_header('pcap.h', dependencies: pcap_dep) +pcap_dep = dependency('pcap', required: false) +if pcap_dep.found() build = true else build = false endif sources = files('rte_eth_pcap.c') ext_deps += pcap_dep -pkgconfig_extra_libs += '-lpcap' diff --git a/lib/librte_bpf/meson.build b/lib/librte_bpf/meson.build index bc0cd78f9..c3b1f698e 100644 --- a/lib/librte_bpf/meson.build +++ b/lib/librte_bpf/meson.build @@ -18,8 +18,8 @@ install_headers = files('bpf_def.h', deps += ['mbuf', 'net', 'ethdev'] -dep = cc.find_library('elf', required: false) -if dep.found() == true and cc.has_header('libelf.h', dependencies: dep) +dep = dependency('libelf', required: false) +if dep.found() sources += files('bpf_load_elf.c') ext_deps += dep endif diff --git a/lib/librte_telemetry/meson.build b/lib/librte_telemetry/meson.build index 9492f544e..cafb26f08 100644 --- a/lib/librte_telemetry/meson.build +++ b/lib/librte_telemetry/meson.build @@ -6,7 +6,7 @@ headers = files('rte_telemetry.h', 'rte_telemetry_internal.h', 'rte_telemetry_pa deps += ['metrics', 'ethdev'] cflags += '-DALLOW_EXPERIMENTAL_API' -jansson = cc.find_library('jansson', required: false) +jansson = dependency('jansson', required: false) if jansson.found() ext_deps += jansson dpdk_app_link_libraries += ['telemetry'] -- 2.20.1