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guix/gnu/packages/patches/mariadb-link-libatomic.patch

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https://github.com/MariaDB/server/commit/f502ccbcb5dfce29067434885a23db8d1bd5f134.patch
This was apparently merged in 10.8.2.
From f502ccbcb5dfce29067434885a23db8d1bd5f134 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vicen=C8=9Biu=20Ciorbaru?= <cvicentiu@gmail.com>
Date: Fri, 15 Oct 2021 16:51:05 +0300
Subject: [PATCH] Link with libatomic to enable C11 atomics support
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Some architectures (mips) require libatomic to support proper
atomic operations. Check first if support is available without
linking, otherwise use the library.
Contributors:
James Cowgill <jcowgill@debian.org>
Jessica Clarke <jrtc27@debian.org>
Vicențiu Ciorbaru <vicentiu@mariadb.org>
---
configure.cmake | 20 +++++++++++++++++++-
mysys/CMakeLists.txt | 4 ++++
sql/CMakeLists.txt | 1 -
3 files changed, 23 insertions(+), 2 deletions(-)
diff --git a/configure.cmake b/configure.cmake
index 7a1369d77703f..db8742bb93b5a 100644
--- a/configure.cmake
+++ b/configure.cmake
@@ -895,7 +895,25 @@ int main()
long long int *ptr= &var;
return (int)__atomic_load_n(ptr, __ATOMIC_SEQ_CST);
}"
-HAVE_GCC_C11_ATOMICS)
+HAVE_GCC_C11_ATOMICS_WITHOUT_LIBATOMIC)
+IF (HAVE_GCC_C11_ATOMICS_WITHOUT_LIBATOMIC)
+ SET(HAVE_GCC_C11_ATOMICS True)
+ELSE()
+ SET(OLD_CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
+ LIST(APPEND CMAKE_REQUIRED_LIBRARIES "atomic")
+ CHECK_CXX_SOURCE_COMPILES("
+ int main()
+ {
+ long long int var= 1;
+ long long int *ptr= &var;
+ return (int)__atomic_load_n(ptr, __ATOMIC_SEQ_CST);
+ }"
+ HAVE_GCC_C11_ATOMICS_WITH_LIBATOMIC)
+ IF(HAVE_GCC_C11_ATOMICS_WITH_LIBATOMIC)
+ SET(HAVE_GCC_C11_ATOMICS True)
+ ENDIF()
+ SET(CMAKE_REQUIRED_LIBRARIES ${OLD_CMAKE_REQUIRED_LIBRARIES})
+ENDIF()
IF(WITH_VALGRIND)
SET(HAVE_valgrind 1)
diff --git a/mysys/CMakeLists.txt b/mysys/CMakeLists.txt
index f97e3b4d3904c..09d3f726ffc74 100644
--- a/mysys/CMakeLists.txt
+++ b/mysys/CMakeLists.txt
@@ -78,6 +78,10 @@ TARGET_LINK_LIBRARIES(mysys dbug strings ${ZLIB_LIBRARY}
${LIBNSL} ${LIBM} ${LIBRT} ${CMAKE_DL_LIBS} ${LIBSOCKET} ${LIBEXECINFO} ${CRC32_LIBRARY})
DTRACE_INSTRUMENT(mysys)
+IF (HAVE_GCC_C11_ATOMICS_WITH_LIBATOMIC)
+ TARGET_LINK_LIBRARIES(mysys atomic)
+ENDIF()
+
IF(HAVE_BFD_H)
TARGET_LINK_LIBRARIES(mysys bfd)
ENDIF(HAVE_BFD_H)
diff --git a/sql/CMakeLists.txt b/sql/CMakeLists.txt
index 5f5d7daf1a5bc..f574f1f20295d 100644
--- a/sql/CMakeLists.txt
+++ b/sql/CMakeLists.txt
@@ -307,7 +307,6 @@ IF(WITH_MYSQLD_LDFLAGS)
"${MYSQLD_LINK_FLAGS} ${WITH_MYSQLD_LDFLAGS}")
ENDIF()
-
FIND_PACKAGE(BISON 2.0)