From 8eacfa5fd3f6f1df9f9a562d8a516273495c71f0 Mon Sep 17 00:00:00 2001
From: Hans Pabst <hans.pabst@intel.com>
Date: Mon, 11 Aug 2025 13:05:34 +0200
Subject: [PATCH] LIBXSMM: support BUILD_SHARED_LIBS

- Fixes BUILD_SHARED_LIBS with LIBXSMM linked statically to CP2K and DBCSR.
- Note: Spack based builds rely on BUILD_SHARED_LIBS by default.
---
 cmake/modules/FindLibXSMM.cmake | 34 +++++++++++++++++++++++++++------
 1 file changed, 28 insertions(+), 6 deletions(-)

diff --git a/cmake/modules/FindLibXSMM.cmake b/cmake/modules/FindLibXSMM.cmake
index db3f121bd6..60fe8c836d 100644
--- a/cmake/modules/FindLibXSMM.cmake
+++ b/cmake/modules/FindLibXSMM.cmake
@@ -15,12 +15,34 @@ set(CP2K_LIBXSMMF_ROOT "${CP2K_LIBXSMM_PREFIX}")
 set(CP2K_LIBXSMMNOBLAS_ROOT "${CP2K_LIBXSMM_PREFIX}")
 
 if(PKG_CONFIG_FOUND)
-  foreach(__lib libxsmm libxsmmf libxsmmext libxsmmnoblas)
-    string(TOUPPER "${__lib}" __lib_search_up)
-    pkg_check_modules(CP2K_${__lib_search_up} IMPORTED_TARGET GLOBAL ${__lib})
-    # need to do it twice because of dbcsr build option
-    pkg_check_modules(${__lib_search_up} QUIET IMPORTED_TARGET GLOBAL ${__lib})
-  endforeach()
+  if(BUILD_SHARED_LIBS)
+    foreach(__lib libxsmm libxsmmf libxsmmext libxsmmnoblas)
+      string(TOUPPER "${__lib}" __lib_search_up)
+      pkg_check_modules(CP2K_${__lib_search_up} IMPORTED_TARGET GLOBAL
+                        ${__lib}-shared)
+      # need to do it twice because of dbcsr build option
+      pkg_check_modules(${__lib_search_up} QUIET IMPORTED_TARGET GLOBAL
+                        ${__lib}-shared)
+    endforeach()
+  else()
+    foreach(__lib libxsmm libxsmmf libxsmmext libxsmmnoblas)
+      string(TOUPPER "${__lib}" __lib_search_up)
+      pkg_check_modules(CP2K_${__lib_search_up} IMPORTED_TARGET GLOBAL
+                        ${__lib}-static)
+      # need to do it twice because of dbcsr build option
+      pkg_check_modules(${__lib_search_up} QUIET IMPORTED_TARGET GLOBAL
+                        ${__lib}-static)
+    endforeach()
+  endif()
+  if(NOT CP2K_LIBXSMM_FOUND)
+    foreach(__lib libxsmm libxsmmf libxsmmext libxsmmnoblas)
+      string(TOUPPER "${__lib}" __lib_search_up)
+      pkg_check_modules(CP2K_${__lib_search_up} IMPORTED_TARGET GLOBAL ${__lib})
+      # need to do it twice because of dbcsr build option
+      pkg_check_modules(${__lib_search_up} QUIET IMPORTED_TARGET GLOBAL
+                        ${__lib})
+    endforeach()
+  endif()
 endif()
 
 if(NOT CP2K_LIBXSMM_FOUND)