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Export bindgen env vars for the Android NDK when building fluxa-core

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fluxa-core's plugin-js-engine feature now generates rquickjs FFI
bindings via bindgen instead of relying on prebuilt binding files,
since rquickjs-sys ships none for any Android target. Export
LIBCLANG_PATH (from the NDK's own libclang) and
BINDGEN_EXTRA_CLANG_ARGS (NDK sysroot, matching clang resource-dir,
and the concrete clang target triple) alongside the existing
CC/AR/linker env vars in each buildFluxaCore<Abi> task, so bindgen
resolves Android headers instead of falling back to the host's.
This commit is contained in:
KhooLy 2026-07-20 02:18:15 +03:00
parent fc005ba1df
commit 67c96f86ad
1 changed files with 19 additions and 1 deletions
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20
app/build.gradle.kts
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@ -194,12 +194,30 @@ val rustTargetTasks = rustAndroidTargets.map { (abi, target, envName) ->
if (ndkDir.isBlank() || !file(ndkDir).exists()) {
throw GradleException("Android NDK is required to build ../fluxa-core.")
}
val toolchainBin = file("$ndkDir/toolchains/llvm/prebuilt/$rustHostTag/bin")
val toolchainRoot = file("$ndkDir/toolchains/llvm/prebuilt/$rustHostTag")
val toolchainBin = toolchainRoot.resolve("bin")
val clang = file(toolchainBin.resolve(linkerName)).absolutePath
environment("CARGO_TARGET_${envName}_LINKER", clang)
environment("CC_$target", clang)
environment("CC_${target.replace("-", "_")}", clang)
environment("AR_${envName}", file(toolchainBin.resolve("llvm-ar")).absolutePath)
val clangTargetTriple = linkerName.removeSuffix("-clang")
val sysroot = toolchainRoot.resolve("sysroot")
val clangVersionDir = toolchainRoot.resolve("lib/clang").listFiles()
?.filter { it.isDirectory }
?.maxByOrNull { it.name.toIntOrNull() ?: -1 }
environment("LIBCLANG_PATH", toolchainRoot.resolve("lib").absolutePath)
environment(
"BINDGEN_EXTRA_CLANG_ARGS",
buildString {
append("--target=$clangTargetTriple")
append(" --sysroot=${sysroot.absolutePath}")
if (clangVersionDir != null) {
append(" -resource-dir=${clangVersionDir.absolutePath}")
}
}
)
}
doLast {
val builtLibrary = file("$rustCrateDir/target/$target/$rustProfile/libfluxa_core.so")