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Allow version 9 toolchains for EXPERIMENTAL_USE_OPENJDK9

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By default, the Android build enforces an OpenJDK 8 toolchain,
whose name contains the strings "openjdk" and "1.8".

After this CL, the check can be changed to enforce a toolchain
name starting with "9" and without the need for "openjdk" having
to occur in the name.

This experimental new check can be enabled by running:
  export EXPERIMENTAL_USE_OPENJDK9=true
To switch back to the standard check, run:
  unset EXPERIMENTAL_USE_OPENJDK9

Test: make ANDROID_COMPILE_WITH_JACK=false checkbuild tests \
      && make checkbuild tests
      (with OpenJDK 8u45 toolchain on the PATH)
Test: make EXPERIMENTAL_USE_OPENJDK9=true \
      ANDROID_COMPILE_WITH_JACK=false checkbuild
      (with jdk 9-ea+170 toolchain on the PATH)
Bug: 38177295

Change-Id: I75de3e23fe0b7f41eb6dd3f55dadd3fa3c3383bd
This commit is contained in:
Tobias Thierer 2017-05-23 13:34:24 +01:00
parent 442b7e6dc9
commit 849bb6bf99
1 changed files with 17 additions and 4 deletions
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15
ui/build/java.go
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@ -66,9 +66,19 @@ func checkJavaVersion(ctx Context, config Config) {
var required_java_version string
var java_version_regexp *regexp.Regexp
var javac_version_regexp *regexp.Regexp
oj9_env, _ := config.Environment().Get("EXPERIMENTAL_USE_OPENJDK9")
experimental_use_openjdk9 := oj9_env != ""
if experimental_use_openjdk9 {
required_java_version = "9"
java_version_regexp = regexp.MustCompile(`^java .* "9.*"`)
javac_version_regexp = regexp.MustCompile(`^javac 9`)
} else {
required_java_version = "1.8"
java_version_regexp = regexp.MustCompile(`[ "]1\.8[\. "$]`)
javac_version_regexp = java_version_regexp
}
java_version := javaVersionInfo.java_version_output
javac_version := javaVersionInfo.javac_version_output
@ -95,7 +105,10 @@ func checkJavaVersion(ctx Context, config Config) {
}
if runtime.GOOS == "linux" {
if !strings.Contains(java_version, "openjdk") {
// Early access builds of OpenJDK 9 do not contain the string "openjdk" in the
// version name. TODO(tobiast): Reconsider once the OpenJDK 9 toolchain is stable.
// http://b/62123342
if !strings.Contains(java_version, "openjdk") && !experimental_use_openjdk9 {
ctx.Println("*******************************************************")
ctx.Println("You are attempting to build with an unsupported JDK.")
ctx.Println()