From: Kefu Chai <tchaikov@gmail.com>
Date: Thu, 4 Aug 2022 05:09:11 +0000 (+0800)
Subject: cmake: disable LTO when building pmdk
X-Git-Tag: v16.2.11~358^2~23
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=a96d2d869c7b35020e3df259820f5df482169699;p=ceph.git

cmake: disable LTO when building pmdk

See-also: https://tracker.ceph.com/issues/54473
Signed-off-by: Kefu Chai <tchaikov@gmail.com>
(cherry picked from commit 2a97033ba86ac678a2ce5f99c60090c79f5fd257)

Conflicts:
	cmake/modules/Buildpmem.cmake: trivial resolution
---

diff --git a/cmake/modules/Buildpmem.cmake b/cmake/modules/Buildpmem.cmake
index e264fabd5d2a..61c5ba6019f0 100644
--- a/cmake/modules/Buildpmem.cmake
+++ b/cmake/modules/Buildpmem.cmake
@@ -21,6 +21,7 @@ function(build_pmem)
     set(PMDK_LIB_DIR "nondebug")
   endif()
 
+  set(pmdk_cflags "-Wno-error -fno-lto")
   include(ExternalProject)
   ExternalProject_Add(pmdk_ext
       ${source_dir_args}
@@ -29,7 +30,7 @@ function(build_pmem)
       # build system tests statically linking to librbd (which uses
       # libpmemobj) will not link (because we don't build the ndctl
       # static library here).
-      BUILD_COMMAND ${make_cmd} CC=${CMAKE_C_COMPILER} EXTRA_CFLAGS=-Wno-error NDCTL_ENABLE=n BUILD_EXAMPLES=n BUILD_BENCHMARKS=n DOC=n
+      BUILD_COMMAND ${make_cmd} CC=${CMAKE_C_COMPILER} "EXTRA_CFLAGS=${pmdk_cflags}" NDCTL_ENABLE=n BUILD_EXAMPLES=n BUILD_BENCHMARKS=n DOC=n
       BUILD_IN_SOURCE 1
       BUILD_BYPRODUCTS "<SOURCE_DIR>/src/${PMDK_LIB_DIR}/libpmem.a" "<SOURCE_DIR>/src/${PMDK_LIB_DIR}/libpmemobj.a"
       INSTALL_COMMAND "")