[Buildroot] [git commit branch/2026.05.x] package/docker-credential-gcr: needs NPTL

commit: https://gitlab.com/buildroot.org/buildroot/-/commit/738e71b98b2e5dcb332b0230e9c5dcf99f622a4e
branch: https://gitlab.com/buildroot.org/buildroot/-/tree/2026.05.x

docker-credential-gcr calls pthread_getattr_np() which is only available
with NPTL; i.e. always available with glibc (where it originates from,
since 2.2.3), always available with musl (which has had it since 0.9.10
in 2013), and only available when uClibc has NPTL (since 1.0.0 in 2015).

Fixes: https://autobuild.buildroot.org/results/3ed18da254082b7823b49be4578274792bb7380e/

Signed-off-by: Yann E. MORIN <[email protected]>
Signed-off-by: Julien Olivain <[email protected]>
(cherry picked from commit 12002ceeefa496e62f09e3fa324eb01f04ff7d73)
Signed-off-by: Thomas Perale <[email protected]>
---
 package/docker-credential-gcr/Config.in | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/package/docker-credential-gcr/Config.in b/package/docker-credential-gcr/Config.in
index 1b24ff0e59..6845d5e198 100644
--- a/package/docker-credential-gcr/Config.in
+++ b/package/docker-credential-gcr/Config.in
@@ -1,6 +1,7 @@
 config BR2_PACKAGE_DOCKER_CREDENTIAL_GCR
 	bool "docker-credential-gcr"
 	depends on BR2_PACKAGE_HOST_GO_TARGET_ARCH_SUPPORTS
+	depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL  # pthread_*_np()
 	help
 	  docker-credential-gcr is Google Container Registry's
 	  standalone, gcloud SDK-independent Docker credential
@@ -9,3 +10,7 @@ config BR2_PACKAGE_DOCKER_CREDENTIAL_GCR
 	  eu.gcr.io, etc.).
 
 	  https://github.com/GoogleCloudPlatform/docker-credential-gcr/
+
+comment "docker-credential-gcr needs a toolchain w/ NPTL"
+	depends on BR2_PACKAGE_HOST_GO_TARGET_ARCH_SUPPORTS
+	depends on !BR2_TOOLCHAIN_HAS_THREADS_NPTL
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