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GET /api/patches/2195203/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 2195203,
    "url": "http://patchwork.ozlabs.org/api/patches/2195203/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/buildroot/patch/20260210144308.689103-1-slaveze@smartandconnective.com/",
    "project": {
        "id": 27,
        "url": "http://patchwork.ozlabs.org/api/projects/27/?format=api",
        "name": "Buildroot development",
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    },
    "msgid": "<20260210144308.689103-1-slaveze@smartandconnective.com>",
    "list_archive_url": null,
    "date": "2026-02-10T14:43:33",
    "name": "[RFC] package/pkg-cargo: add HOST_* variables for target build",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "570287dcb3b0052da0edfdc1a65c9ad143f2e754",
    "submitter": {
        "id": 88597,
        "url": "http://patchwork.ozlabs.org/api/people/88597/?format=api",
        "name": "Sebastien LAVEZE",
        "email": "slaveze@smartandconnective.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/buildroot/patch/20260210144308.689103-1-slaveze@smartandconnective.com/mbox/",
    "series": [
        {
            "id": 491688,
            "url": "http://patchwork.ozlabs.org/api/series/491688/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/buildroot/list/?series=491688",
            "date": "2026-02-10T14:43:33",
            "name": "[RFC] package/pkg-cargo: add HOST_* variables for target build",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/491688/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2195203/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2195203/checks/",
    "tags": {},
    "related": [],
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        "From": "Sebastien LAVEZE <slaveze@smartandconnective.com>",
        "To": "\"buildroot@buildroot.org\" <buildroot@buildroot.org>",
        "CC": "Sebastien LAVEZE <slaveze@smartandconnective.com>",
        "Thread-Topic": "[RFC PATCH] package/pkg-cargo: add HOST_* variables for target\n build",
        "Thread-Index": "AQHcmpuhwZTZYBeNS0ijj7Y/Fn2kvQ==",
        "Date": "Tue, 10 Feb 2026 14:43:33 +0000",
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        "Subject": "[Buildroot] [RFC PATCH] package/pkg-cargo: add HOST_* variables for\n target build",
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    "content": "From: Sebastien Laveze <slaveze@smartandconnective.com>\n\nCargo builds both host (build.rs) and target in the same build stage.\n\nHost-side build scripts (build.rs) using cc-rs resolve tools/flags through\nHOST_* before falling back to unprefixed variables. Without HOST_* set, they\ncan incorrectly pick target compiler/flags and fail in mixed-bitness setups\n(e.g. 64-bit host with 32-bit target).\n\nhttps://docs.rs/cc/1.2.55/cc/#external-configuration-via-environment-variables\n\nSigned-off-by: Sebastien Laveze <slaveze@smartandconnective.com>\n---\n package/pkg-cargo.mk | 14 +++++++++++++-\n 1 file changed, 13 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/package/pkg-cargo.mk b/package/pkg-cargo.mk\nindex 47a6353f25..a3c7436a1b 100644\n--- a/package/pkg-cargo.mk\n+++ b/package/pkg-cargo.mk\n@@ -51,7 +51,19 @@ PKG_CARGO_ENV = \\\n \tCARGO_TARGET_APPLIES_TO_HOST=\"false\" \\\n \tCARGO_BUILD_TARGET=\"$(RUSTC_TARGET_NAME)\" \\\n \tCARGO_HOST_RUSTFLAGS=\"$(addprefix -C link-args=,$(HOST_LDFLAGS))\" \\\n-\tCARGO_TARGET_$(call UPPERCASE,$(RUSTC_TARGET_NAME))_LINKER=$(notdir $(TARGET_CROSS))gcc\n+\tCARGO_TARGET_$(call UPPERCASE,$(RUSTC_TARGET_NAME))_LINKER=$(notdir $(TARGET_CROSS))gcc \\\n+\tHOST_AR=\"$(HOSTAR)\" \\\n+\tHOST_AS=\"$(HOSTAS)\" \\\n+\tHOST_CC=\"$(HOSTCC)\" \\\n+\tHOST_CXX=\"$(HOSTCXX)\" \\\n+\tHOST_CPP=\"$(HOSTCPP)\" \\\n+\tHOST_LD=\"$(HOSTLD)\" \\\n+\tHOST_NM=\"$(HOSTNM)\" \\\n+\tHOST_RANLIB=\"$(HOSTRANLIB)\" \\\n+\tHOST_PKG_CONFIG_SYSROOT_DIR=\"/\" \\\n+\tHOST_PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 \\\n+\tHOST_PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 \\\n+\tHOST_PKG_CONFIG_LIBDIR=\"$(HOST_DIR)/lib/pkgconfig:$(HOST_DIR)/share/pkgconfig\"\n \n # We always set both CARGO_PROFILE_DEV and CARGO_PROFILE_RELEASE\n # as we are unable to select a build profile using the environment.\n",
    "prefixes": [
        "RFC"
    ]
}