[jira] [Commented] (HADOOP-8921) ant build.xml in branch-1 ignores -Dcompile.native

["Gopal V (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-8921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13474919#comment-13474919 ] 

Gopal V commented on HADOOP-8921:
---------------------------------

After patch

{code}
$ ant compile-native  -Dcompile.native=false
Buildfile: /home/gopal/hw/hadoop-1/build.xml

compile-native:

BUILD SUCCESSFUL
Total time: 0 seconds



$ ant compile-native  -Dcompile.native=true
Buildfile: /home/gopal/hw/hadoop-1/build.xml

compile-native:

create-native-configure:
     [exec] configure.ac:42: warning: AC_COMPILE_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS

{code}
                
> ant build.xml in branch-1 ignores -Dcompile.native
> --------------------------------------------------
>
>                 Key: HADOOP-8921
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8921
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: build
>    Affects Versions: 1.2.0
>         Environment: Mac OS X 10.7.4
>            Reporter: Gopal V
>            Priority: Trivial
>              Labels: ant, autoconf, patch
>         Attachments: HADOOP-8921.patch
>
>
> ant -Dcompile.native=false still runs autoconf and libtoolize
> According to ant 1.8 manual, any <target if> conditions are checked only after the dependencies are run through. The current if condition in code fails to prevent the autoconf/libtool components from running.
> Fixing it by moving the if condition up into the "compile-native" target and changing it to a param substitution instead of being evaluated as a condition.

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