The open source OpenXR runtime
gradle: Be able to fetch Eigen if it's not found on the system.
+30
+3
build.gradle
+3
build.gradle
+27
src/xrt/targets/openxr_android/build.gradle
+27
src/xrt/targets/openxr_android/build.gradle
···
16
16
id 'com.quittle.svg-2-android-vector'
17
17
}
18
18
19
+
// apply from: file("../android_common/fetch-eigen.gradle")
20
+
19
21
androidGitVersion {
20
22
tagPattern(/^v[0-9]+.*/)
21
23
codeFormat = 'MMNPBBBBB'
···
68
70
filter(filterLicense)
69
71
dependsOn downloadCddl
70
72
}
73
+
74
+
// Grab Eigen if we can't find it on the system.
75
+
task downloadEigen(type: Download) {
76
+
src "https://gitlab.com/libeigen/eigen/-/archive/${project.eigenFetchVersion}/eigen-${project.eigenFetchVersion}.tar.gz"
77
+
dest new File(project.buildDir, "intermediates/eigenDownload/eigen-${project.eigenFetchVersion}.tar.gz")
78
+
}
79
+
80
+
def eigenUnpackDir = new File(project.buildDir, 'intermediates/eigen')
81
+
task unpackEigen(dependsOn: downloadEigen, type: Copy) {
82
+
from tarTree(downloadEigen.dest)
83
+
into eigenUnpackDir
84
+
}
85
+
86
+
if (!(new File(project.file(project.eigenIncludeDir), "Eigen/Core")).exists()) {
87
+
println "project.eigenIncludeDir not set or not valid, so downloading Eigen at build time"
88
+
project.ext.eigenIncludeDir = "${eigenUnpackDir}/eigen-${project.eigenFetchVersion}"
89
+
} else {
90
+
println "Using Eigen as specified/detected in project.eigenIncludeDir: ${project.eigenIncludeDir}"
91
+
downloadEigen.enabled = false
92
+
unpackEigen.enabled = false
93
+
}
94
+
71
95
android {
72
96
compileSdkVersion project.sharedTargetSdk
73
97
buildToolsVersion '30.0.3'
···
102
126
// Be sure to copy over licenses formatted as required.
103
127
preBuild.dependsOn(copyLicenses)
104
128
preBuild.dependsOn(copyDownloadedLicenses)
129
+
130
+
// We also need the unpacked Eigen
131
+
preBuild.dependsOn(unpackEigen)
105
132
}
106
133
107
134
buildTypes {