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{
    "id": 9786,
    "url": "https://patchwork.libcamera.org/api/patches/9786/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/9786/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/projects/1/?format=api",
        "name": "libcamera",
        "link_name": "libcamera",
        "list_id": "libcamera_core",
        "list_email": "libcamera-devel@lists.libcamera.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": ""
    },
    "msgid": "<20200924100201.353624-1-kieran.bingham@ideasonboard.com>",
    "date": "2020-09-24T10:02:01",
    "name": "[libcamera-devel,RFC] ipa: rpi: Make boost optional",
    "commit_ref": null,
    "pull_url": null,
    "state": "rejected",
    "archived": false,
    "hash": "2d7df351a92b577d66aa331efee7fa26b6587200",
    "submitter": {
        "id": 4,
        "url": "https://patchwork.libcamera.org/api/people/4/?format=api",
        "name": "Kieran Bingham",
        "email": "kieran.bingham@ideasonboard.com"
    },
    "delegate": {
        "id": 11,
        "url": "https://patchwork.libcamera.org/api/users/11/?format=api",
        "username": "kbingham",
        "first_name": "Kieran",
        "last_name": "Bingham",
        "email": "kieran.bingham@ideasonboard.com"
    },
    "mbox": "https://patchwork.libcamera.org/patch/9786/mbox/",
    "series": [
        {
            "id": 1320,
            "url": "https://patchwork.libcamera.org/api/series/1320/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1320",
            "date": "2020-09-24T10:02:01",
            "name": "[libcamera-devel,RFC] ipa: rpi: Make boost optional",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/1320/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/9786/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/9786/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>",
        "X-Original-To": "parsemail@patchwork.libcamera.org",
        "Delivered-To": "parsemail@patchwork.libcamera.org",
        "Received": [
            "from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id D0503C3B5B\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 24 Sep 2020 10:02:07 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 6023C62FDA;\n\tThu, 24 Sep 2020 12:02:07 +0200 (CEST)",
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        ],
        "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"DSlgRgrb\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1600941725;\n\tbh=1SUOL2WDm9p2n2YsG+jKWNLd4tjBULuxJuhEDmTsENY=;\n\th=From:To:Cc:Subject:Date:From;\n\tb=DSlgRgrbpO1hZMqtE6swNyzt8g3Q5tRK6M6B7WdlhrCdyxdDtDBk/vH1qw/Epa5GE\n\tYbyeex3YplhJZMziV2o5R2Z+h/39qhRQkr/YxunZtWStvy/kswoq31FUY3Zr0IK26+\n\tRtAFuh+fB7QOKoPP/Xy6Z4vAFku/x2XTwqnjmtCU=",
        "From": "Kieran Bingham <kieran.bingham@ideasonboard.com>",
        "To": "libcamera devel <libcamera-devel@lists.libcamera.org>",
        "Date": "Thu, 24 Sep 2020 11:02:01 +0100",
        "Message-Id": "<20200924100201.353624-1-kieran.bingham@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.25.1",
        "MIME-Version": "1.0",
        "Subject": "[libcamera-devel] [RFC PATCH] ipa: rpi: Make boost optional",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
        "X-Mailman-Version": "2.1.29",
        "Precedence": "list",
        "List-Id": "<libcamera-devel.lists.libcamera.org>",
        "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>",
        "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>",
        "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>",
        "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>",
        "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>",
        "Content-Type": "text/plain; charset=\"us-ascii\"",
        "Content-Transfer-Encoding": "7bit",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "By default the Raspberry Pi pipeline handler is enabled when\nconfiguring the build.\n\nThe Raspberry Pi IPA currently depends upon 'boost' which is a large\ndependency to bring in.\n\nMake the IPA compilation dependant upon the availabilty of the boost\nlibrary, but display a warning when the pipeline is enabled and the\ndependency is not found.\n\nSigned-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\n---\n\nThis is mostly posted to promote discussion on this topic.\n\nThe requirement for boost is really heavy (+100MB package for a few\nheaders), and is only used for the RPi IPA.\n\nThis patch automatically disables the IPA while printing a message if it\nwas selected if the boost library is not available.\n\nDoing all of this in a clean way seems quite difficult because of the\nway the meson options works ... so ... \n\n3 ... 2 ... 1 ....\n\n   Discuss...\n\n\n src/ipa/raspberrypi/meson.build | 40 +++++++++++++++++++--------------\n 1 file changed, 23 insertions(+), 17 deletions(-)",
    "diff": "diff --git a/src/ipa/raspberrypi/meson.build b/src/ipa/raspberrypi/meson.build\nindex 9445cd097df5..b284378c9621 100644\n--- a/src/ipa/raspberrypi/meson.build\n+++ b/src/ipa/raspberrypi/meson.build\n@@ -2,9 +2,11 @@\n \n ipa_name = 'ipa_rpi'\n \n+boost = dependency('boost', required : false)\n+\n rpi_ipa_deps = [\n     libcamera_dep,\n-    dependency('boost'),\n+    boost,\n     libatomic,\n ]\n \n@@ -41,22 +43,26 @@ rpi_ipa_sources = files([\n     'controller/pwl.cpp',\n ])\n \n-mod = shared_module(ipa_name,\n-                    rpi_ipa_sources,\n-                    name_prefix : '',\n-                    include_directories : rpi_ipa_includes,\n-                    dependencies : rpi_ipa_deps,\n-                    link_with : libipa,\n-                    install : true,\n-                    install_dir : ipa_install_dir)\n-\n-if ipa_sign_module\n-    custom_target(ipa_name + '.so.sign',\n-                  input : mod,\n-                  output : ipa_name + '.so.sign',\n-                  command : [ ipa_sign, ipa_priv_key, '@INPUT@', '@OUTPUT@' ],\n-                  install : false,\n-                  build_by_default : true)\n+if boost.found()\n+    mod = shared_module(ipa_name,\n+                        rpi_ipa_sources,\n+                        name_prefix : '',\n+                        include_directories : rpi_ipa_includes,\n+                        dependencies : rpi_ipa_deps,\n+                        link_with : libipa,\n+                        install : true,\n+                        install_dir : ipa_install_dir)\n+\n+    if ipa_sign_module\n+        custom_target(ipa_name + '.so.sign',\n+                      input : mod,\n+                      output : ipa_name + '.so.sign',\n+                      command : [ ipa_sign, ipa_priv_key, '@INPUT@', '@OUTPUT@' ],\n+                      install : false,\n+                      build_by_default : true)\n+    endif\n+else\n+    warning('The Raspberry Pi pipeline is enabled, but dependency \"boost\" was not found')\n endif\n \n subdir('data')\n",
    "prefixes": [
        "libcamera-devel",
        "RFC"
    ]
}