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docs(readme): list s390x arch as supported
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Signed-off-by: Artur Troian <[email protected]>
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troian committed Feb 12, 2023
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12 changes: 7 additions & 5 deletions README.md
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Expand Up @@ -22,13 +22,14 @@ Images from version v1.17.4 are multi-arch. Supported hosts are listed in the ta
| arm64 (aka aarch64) | ✅ | aarch64-linux-gnu-gcc | aarch64-linux-gnu-gcc |

Below are additional environment variables to set when cross compiling with CGO.
| Env variable | Value | Required | Notes |
| ------------------------ | ---------------------------------------------- | :----------------------------: | -------------------------------------------------------------------------------------------------- |
| `CGO_ENABLED` | 1 | Yes | Instead of specifying it in each build it can be set globally during docker run `-e CGO_ENABLED=1` |

| Env variable | Value | Required | Notes |
|--------------------------|-----------------------------------------------|:------------------------------:|----------------------------------------------------------------------------------------------------|
| `CGO_ENABLED` | 1 | Yes | Instead of specifying it in each build it can be set globally during docker run `-e CGO_ENABLED=1` |
| `CC` | [see targets](#supported-toolchainsplatforms) | Optional | |
| `CXX` | [see targets](#supported-toolchainsplatforms) | Optional | |
| `PKG_CONFIG_SYSROOT_DIR` | | Required if sysroot is present | |
| `PKG_CONFIG_PATH` | | Optional | List of directories containing pkg-config files |
| `PKG_CONFIG_SYSROOT_DIR` | | Required if sysroot is present | |
| `PKG_CONFIG_PATH` | | Optional | List of directories containing pkg-config files |

- **PKG_CONFIG_SYSROOT_DIR** modifies `-I` and `-L` to use the directories located in target's sysroot.
- The value of `PKG_CONFIG_SYSROOT_DIR` is prefixed to `-I` and `-L`. For instance `-I/usr/include/libfoo` becomes `-I/var/target/usr/include/libfoo`
Expand All @@ -46,6 +47,7 @@ Below are additional environment variables to set when cross compiling with CGO.
| Linux | armhf (GOARM=5) | arm-linux-gnueabihf-gcc | arm-linux-gnueabihf-g++ | Verification required |
| Linux | armhf (GOARM=6) | arm-linux-gnueabihf-gcc | arm-linux-gnueabihf-g++ | Verification required |
| Linux | armhf (GOARM=7) | arm-linux-gnueabihf-gcc | arm-linux-gnueabihf-g++ | ✅ |
| Linux | s390x | s390x-linux-gnu-gcc | s390x-linux-gnu-g++ | ✅ |
| Windows | amd64 | x86_64-w64-mingw32-gcc | x86_64-w64-mingw32-g++ | ✅ |
| Windows | arm64 | /llvm-mingw/bin/aarch64-w64-mingw32-gcc | /llvm-mingw/bin/aarch64-w64-mingw32-g++ | ✅ |

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