[Valgrind-developers] [valgrind] Linux regtest: fix build of tests on old systems without openat2

[Paul F. <pa...@so...>]

https://sourceware.org/cgit/valgrind/commit/?id=c9f166b67728202906ff8f52a9e5c90ff25543fc

commit c9f166b67728202906ff8f52a9e5c90ff25543fc
Author: Paul Floyd <pj...@wa...>
Date:   Sun Jul 20 07:46:47 2025 +0200

    Linux regtest: fix build of tests on old systems without openat2

Diff:
---
 none/tests/linux/Makefile.am        | 10 +++++++---
 none/tests/linux/bug506910.vgtest   |  1 +
 none/tests/linux/open_client.vgtest |  1 +
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/none/tests/linux/Makefile.am b/none/tests/linux/Makefile.am
index c20b2d2d01..7bfcedc862 100644
--- a/none/tests/linux/Makefile.am
+++ b/none/tests/linux/Makefile.am
@@ -27,7 +27,6 @@ check_PROGRAMS = \
 	brk-overflow1 \
 	brk-overflow2 \
 	bug498317 \
-	bug506910 \
 	clonev \
 	mremap \
 	mremap2 \
@@ -35,10 +34,13 @@ check_PROGRAMS = \
 	mremap4 \
 	mremap5 \
 	mremap6 \
-	open_client \
 	pthread-stack \
 	stack-overflow
 
+if HAVE_OPENAT2
+        check_PROGRAMS += bug506910 open_client
+endif
+
 if HAVE_NR_MEMBARRIER
         check_PROGRAMS += membarrier
 endif
@@ -48,9 +50,11 @@ AM_CFLAGS   += $(AM_FLAG_M3264_PRI)
 AM_CXXFLAGS += $(AM_FLAG_M3264_PRI)
 
 # Special needs
+if HAVE_OPENAT2
 bug506910_SOURCES = bug506910.cpp
-clonev_LDADD = -lpthread
 open_client_SOURCES = open_client.cpp
+endif
+clonev_LDADD = -lpthread
 pthread_stack_LDADD = -lpthread
 
 stack_overflow_CFLAGS = $(AM_CFLAGS) @FLAG_W_NO_UNINITIALIZED@ \
diff --git a/none/tests/linux/bug506910.vgtest b/none/tests/linux/bug506910.vgtest
index 28e3f29751..b23362548e 100644
--- a/none/tests/linux/bug506910.vgtest
+++ b/none/tests/linux/bug506910.vgtest
@@ -1 +1,2 @@
+prereq: test -x bug506910
 prog: bug506910
diff --git a/none/tests/linux/open_client.vgtest b/none/tests/linux/open_client.vgtest
index 6b930efe6c..05eba98bb5 100644
--- a/none/tests/linux/open_client.vgtest
+++ b/none/tests/linux/open_client.vgtest
@@ -1,2 +1,3 @@
+prereq: test -x open_client
 prog: open_client
 vgopts: -q