【gpdb编译报错】configure: error:libevent is required for gpfdist, unable to find binary

原创于 2024-09-26 15:18:46 发布 · 986 阅读

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正题：如何解决 configure: error:libevent is required for gpfdist 错误问题 🤔

1️⃣ 错误分析

下述完整报错日志：

10:32:14.178 [QUIET] [system.out] checking for inflate in -lz... yes
10:32:14.245 [QUIET] [system.out] checking for apr-l-config... /usr/bin/apr-l-config
10:32:14.289 [QUIET] [system.out] configure: using apr-l-config 1.4.8
10:32:14.325 [QUIET] [system.out] checking for library containing apr_getopt_long... none required
10:32:14.401 [QUIET] [system.out] checking for library containing event_add... no
10:32:14.513 [ERROR] [system.err] configure: error: Libevent is required for gpfdist
10:32:14.533 [ERROR] [system.err] error: Bad exit status from /var/tmp/rpm-tmp.AB1234 (%build)
10:32:14.533 [QUIET] [system.out]
10:32:14.533 [QUIET] [system.out] RPM build errors:
10:32:14.533 [ERROR] [system.err]     Bad exit status from /var/tmp/rpm-tmp.AB1234 (%build)
10:32:14.588 [DEBUG] [org.gradle.process.internal.DefaultExecHandle] Changing state to: FAILED
10:32:14.589 [DEBUG] [org.gradle.process.internal.DefaultExecHandle] Process 'command 'rpmbuild'' finished with exit value 1 (state: FAILED)
10:32:14.590 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationExecutor] Completing Build operation 'Execute doLast {} action for :gpdb-rpm'
10:32:14.590 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationExecutor] Build operation 'Execute doLast {} action for :gpdb-rpm' completed
10:32:14.590 [DEBUG] [org.gradle.api.internal.tasks.execution.ResolveTaskExecutionModeExecuter] Removed task artifact state for {} from context.
10:32:14.590 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationExecutor] Completing Build operation 'Task :gpdb-rpm'
10:32:14.544 [LIFECYCLE] [class org.gradle.internal.buildevents.TaskExecutionLogger]
10:32:14.544 [LIFECYCLE] [class org.gradle.internal.buildevents.TaskExecutionLogger] > Task :gpdb-rpm FAILED
10:32:14.590 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationExecutor] Build operation 'Task :gpdb-rpm' completed
10:32:14.591 [INFO] [org.gradle.execution.plan.DefaultPlanExecutor] :gpdb-rpm (Thread[Execution worker for ':',5,main]) completed. Took 12.419 secs.
10:32:14.601 [INFO] [org.gradle.execution.plan.DefaultPlanExecutor] Waiting for background tasks to complete
10:32:14.613 [DEBUG] [org.gradle.internal.resources.AbstractTrackedResourceLock] Execution worker for ':': released lock on root.1.6
10:32:14.621 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationExecutor] Build operation 'Task :gpdb-clean' started
10:32:14.630 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationExecutor] Completing Build operation 'Task :gpdb-clean'
10:32:14.634 [DEBUG] [org.gradle.api.internal.tasks.execution.ResolveTaskExecutionModeExecuter] Removed task artifact state for {} from context.
10:32:14.640 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationExecutor] Completing Build operation 'Task :gpdb-clean'
10:32:14.645 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationExecutor] Build operation 'Execute doLast {} action for :gpdb-clean' completed

根据日志分析，在编译 Greenplum Database (GPDB) 时，系统无法找到 Libevent 库，这是 gpfdist 所必需的事件通知库。Libevent 负责提供高效的事件处理机制，例如网络连接和文件描述符的事件通知。如果缺少 Libevent，gpfdist 无法正常编译和运行。
日志中的 configure: error: Libevent is required for gpfdist 错误，明确指出了问题所在。同时，Bad exit status from /var/tmp/rpm-tmp.AB1234 也进一步表明构建过程因缺少关键依赖库而终止。

2️⃣ 解决方案 💡

确认缺失的库 🔧：
- 日志指出缺少 Libevent，因此首先需要确认系统中是否已安装该库。可以通过以下命令进行检查：
```
whereis libevent
```
安装 Libevent 📦：
- 如果系统未安装 Libevent，可以使用以下命令安装该库：
  - Debian/Ubuntu 系统：
```
sudo apt-get update
sudo apt-get install libevent-dev
```
  - CentOS/Fedora 系统：
```
sudo yum install libevent libevent-devel
```
重新配置和编译 🔄：
- 安装完 Libevent 后，重新运行 ./configure 命令，以确保系统能够找到所需的库。
```
./configure
make
```
检查其他依赖 ⚠️：
- 其他可能需要的依赖如 apr 和 zlib 也可能影响构建。可以通过以下命令确保这些依赖项都已安装：
```
sudo apt-get install libapr1 libapr1-dev zlib1g-dev
```