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Add native Linux ARM64 (linuxarm64) build target #439

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Add native Linux ARM64 (linuxarm64) build target #439

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29 changes: 25 additions & 4 deletions buildSrc/src/main/groovy/tool/generator/GenerateLibs.groovy
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@ class GenerateLibs extends DefaultTask {
private final String[] buildEnvs = System.getProperty('envs')?.split(',')
private final boolean forWindows = buildEnvs?.contains('windows')
private final boolean forLinux = buildEnvs?.contains('linux')
private final boolean forLinuxArm64 = buildEnvs?.contains('linuxarm64')
private final boolean forMac = buildEnvs?.contains('macos')
private final boolean forMacArm64 = buildEnvs?.contains('macosarm64')

Expand Down Expand Up @@ -120,10 +121,11 @@ class GenerateLibs extends DefaultTask {
}

if (forLinux) {
def linux64 = BuildTarget.newDefaultTarget(Os.Linux, Architecture.Bitness._64)
requireCpp17(linux64)
addFreeTypeIfEnabled(linux64)
buildTargets += linux64
buildTargets += createLinuxTarget(Architecture.x86)
}

if (forLinuxArm64) {
buildTargets += createLinuxTarget(Architecture.ARM)
}

if (forMac) {
Expand All @@ -145,6 +147,8 @@ class GenerateLibs extends DefaultTask {
BuildExecutor.executeAnt(jniDir + '/build-windows64.xml', commonParams)
if (forLinux)
BuildExecutor.executeAnt(jniDir + '/build-linux64.xml', commonParams)
if (forLinuxArm64)
BuildExecutor.executeAnt(jniDir + '/build-linuxarm64.xml', commonParams)
if (forMac)
BuildExecutor.executeAnt(jniDir + '/build-macosx64.xml', commonParams)
if (forMacArm64)
Expand All @@ -156,6 +160,8 @@ class GenerateLibs extends DefaultTask {
checkLibExist("windows64/imgui-java64.dll")
if (forLinux)
checkLibExist("linux64/libimgui-java64.so")
if (forLinuxArm64)
checkLibExist("linuxarm64/libimgui-java64.so")
if (forMac)
checkLibExist("macosx64/libimgui-java64.dylib")
if (forMacArm64)
Expand All @@ -170,6 +176,21 @@ class GenerateLibs extends DefaultTask {
}
}

BuildTarget createLinuxTarget(Architecture arch) {
def linuxTarget = BuildTarget.newDefaultTarget(Os.Linux, Architecture.Bitness._64, arch)
linuxTarget.libName = "libimgui-java64.so" // Lib for arm64 will be named the same for consistency.
if (arch == Architecture.ARM && System.getProperty('os.arch') in ['aarch64', 'arm64']) {
// gdx-jnigen defaults ARM Linux targets to the aarch64-linux-gnu- cross-compiler
// prefix. When already running natively on an aarch64 host (e.g. GitHub's
// ubuntu-24.04-arm runners) that prefix isn't needed, and the cross toolchain
// package providing it usually isn't installed there anyway.
linuxTarget.compilerPrefix = ''
}
requireCpp17(linuxTarget)
addFreeTypeIfEnabled(linuxTarget)
return linuxTarget
}

BuildTarget createMacTarget(Architecture arch) {
def minMacOsVersion = '10.15'
def macTarget = BuildTarget.newDefaultTarget(Os.MacOsX, Architecture.Bitness._64, arch)
Expand Down
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