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https://issues.apache.org/jira/browse/YARN-7187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16164901#comment-16164901
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Varun Saxena commented on YARN-7187:
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[~leftnoteasy], cherry-picked YARN-5719 into branch-2. One more issue in code
seems to be that we calculate strlen on every iteration of for loop, which
would be suboptimal.
> branch-2 native compilation broken in hadoop-yarn-server-nodemanager
> --------------------------------------------------------------------
>
> Key: YARN-7187
> URL: https://issues.apache.org/jira/browse/YARN-7187
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Varun Saxena
> Priority: Blocker
> Attachments: YARN-7187-branch-2.01.patch, YARN-7187-branch-2.patch
>
>
> {noformat}
> [WARNING] make[2]: Leaving directory
> `/home/root1/Projects/Branch2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/target/native'
> [WARNING] make[1]: Leaving directory
> `/home/root1/Projects/Branch2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/target/native'
> [WARNING]
> /home/root1/Projects/Branch2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/utils/string-utils.c:
> In function ‘all_numbers’:
> [WARNING]
> /home/root1/Projects/Branch2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/utils/string-utils.c:33:3:
> error: ‘for’ loop initial declarations are only allowed in C99 mode
> [WARNING] for (int i = 0; i < strlen(input); i++) {
> [WARNING] ^
> [WARNING]
> /home/root1/Projects/Branch2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/utils/string-utils.c:33:3:
> note: use option -std=c99 or -std=gnu99 to compile your code
> [WARNING] make[2]: ***
> [CMakeFiles/container.dir/main/native/container-executor/impl/utils/string-utils.c.o]
> Error 1
> [WARNING] make[2]: *** Waiting for unfinished jobs....
> [WARNING]
> /home/root1/Projects/Branch2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c:
> In function ‘tokenize_docker_command’:
> [WARNING]
> /home/root1/Projects/Branch2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c:1193:7:
> warning: unused variable ‘c’ [-Wunused-variable]
> [WARNING] int c = 0;
> [WARNING] ^
> [WARNING] make[1]: *** [CMakeFiles/container.dir/all] Error 2
> [WARNING] make: *** [all] Error 2
> {noformat}
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