[Buildroot] [git commit branch/2023.02.x] package/ntp: needs either mmu or threads

[Buildroot] [git commit branch/2023.02.x] package/ntp: needs either mmu or threads

[Peter Korsgaard]

commit: https://git.buildroot.net/buildroot/commit/?id=9aeda9cc621b8b1ede0aa58103d3ed710538cdad
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/2023.02.x

Fixes:
http://autobuild.buildroot.net/results/f2b466853ed296fdc8b4629f36e5a6447658f82d/

Quoting the first error message:
ntp_io.c:3793:9: error: unknown type name 'blocking_child'

ntp needs either fork or threads:
https://bk.ntp.org/ntp-dev/include/ntp_workimpl.h?PAGE=anno&REV=4d6178063mDeaH-s7PteNqw1DDK-Rw

  #if defined(WORK_FORK) || defined(WORK_THREAD)
  # define WORKER
  #endif

to enable the blocking_child code based on the WORKER define:
https://bk.ntp.org/ntp-dev/include/intreswork.h?PAGE=anno&REV=4d617805zzdW7YeB56-WZ4GbGCcXxw

The build error first occured on April 3rd, 2022:
http://autobuild.buildroot.net/results/31b/31bfdac8411ebf043a39e3277f6d7b008fe337b0/

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit f2d9118423612818c897bf075bc055fc7252cfc6)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
---
 package/ntp/Config.in | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package/ntp/Config.in b/package/ntp/Config.in
index 97d933b5a8..78f008a4b8 100644
--- a/package/ntp/Config.in
+++ b/package/ntp/Config.in
@@ -1,5 +1,6 @@
 config BR2_PACKAGE_NTP
 	bool "ntp"
+	depends on BR2_USE_MMU || BR2_TOOLCHAIN_HAS_THREADS
 	select BR2_PACKAGE_LIBEVENT
 	help
 	  Network Time Protocol suite/programs.
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