HADOOP-19611. Fix native profile build of hadoop-pipes on SLES 15.

[MikaelSmith]

Description of PR

On SLES 15, failing to add tirpc results in failures linking pthreads. tirpc is present and appears to be the newer RPC library option (with support for IPv6), and provides an rpc.h that Hadoop falsely thinks comes from SunRPC. Use tirpc when available.

How was this patch tested?

Tested builds on RedHat 8 and 9; SLES 15; and Ubuntu 20.04, 22.04, and 24.04.

For code changes:

• Does the title or this PR starts with the corresponding JIRA issue id (e.g. 'HADOOP-17799. Your PR title ...')?
• Object storage: have the integration tests been executed and the endpoint declared according to the connector-specific documentation?
• If adding new dependencies to the code, are these dependencies licensed in a way that is compatible for inclusion under ASF 2.0?
• If applicable, have you updated the LICENSE, LICENSE-binary, NOTICE-binary files?

[MikaelSmith]

I'm not sure what would be a good way to test this. We have functional integration tests on all platforms using Hadoop, but the hadoop-pipes tool in particular looks pretty standalone and doesn't have any unit tests.

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	31m 32s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+0 🆗	codespell	0m 1s		codespell was not available.
+0 🆗	detsecrets	0m 1s		detect-secrets was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
-1 ❌	test4tests	0m 0s		The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
			_ trunk Compile Tests _
+1 💚	mvninstall	54m 2s		trunk passed
+1 💚	compile	0m 58s		trunk passed
+1 💚	mvnsite	0m 56s		trunk passed
+1 💚	shadedclient	97m 23s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+1 💚	mvninstall	0m 28s		the patch passed
+1 💚	compile	0m 34s		the patch passed
+1 💚	cc	0m 34s		the patch passed
+1 💚	javac	0m 34s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
+1 💚	mvnsite	0m 29s		the patch passed
+1 💚	shadedclient	41m 55s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	unit	0m 42s		hadoop-pipes in the patch passed.
+1 💚	asflicense	0m 58s		The patch does not generate ASF License warnings.
		175m 34s

Subsystem	Report/Notes
Docker	ClientAPI=1.51 ServerAPI=1.51 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8060/1/artifact/out/Dockerfile
GITHUB PR	#8060
Optional Tests	dupname asflicense compile cc mvnsite javac unit codespell detsecrets
uname	Linux f0392362f71b 5.15.0-156-generic #166-Ubuntu SMP Sat Aug 9 00:02:46 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	trunk / 506be4e
Default Java	Red Hat, Inc.-1.8.0_472-b08
Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8060/1/testReport/
Max. process+thread count	618 (vs. ulimit of 5500)
modules	C: hadoop-tools/hadoop-pipes U: hadoop-tools/hadoop-pipes
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8060/1/console
versions	git=2.43.7 maven=3.9.11
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