From c0d145c0d24bf6a4f872cfd0ab0aa6a33cdbf065 Mon Sep 17 00:00:00 2001
From: Ruediger Pluem <rpluem@apache.org>
Date: Fri, 10 Feb 2023 18:21:00 +0000
Subject: * Since r1901037 Posix shared mem is prefered over SysV shared mem.  
 Add an option to revert this choice on systems that provide both.

git-svn-id: https://svn.apache.org/repos/asf/apr/apr/trunk@1907566 13f79535-47bb-0310-9956-ffa450edef68
---
 configure.in | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/configure.in b/configure.in
index b27299256..2cdf5e33f 100644
--- a/configure.in
+++ b/configure.in
@@ -1354,6 +1354,13 @@ if test "$havemmapshm" = "1"; then
   APR_DECISION_OVERRIDE(USE_SHMEM_MMAP_SHM)
 fi
 ])
+AC_ARG_ENABLE(sysv-shm,
+[  --enable-sysv-shm       Use SysV shared memory (shmget) if available],
+[
+if test "$haveshmget" = "1"; then
+  APR_DECISION_OVERRIDE(USE_SHMEM_SHMGET)
+fi
+])
 case $host in
     *linux* ) 
         # Linux pre-2.4 had problems with MM_SHMT_MMANON even though
-- 
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