Index: combblas/graph500-1.2/generator/CMakeLists.txt
===================================================================
--- combblas.orig/graph500-1.2/generator/CMakeLists.txt	2025-09-28 01:26:07.907454273 +0200
+++ combblas/graph500-1.2/generator/CMakeLists.txt	2025-09-28 01:26:07.899741795 +0200
@@ -10,5 +10,11 @@
   target_compile_options(GraphGenlib PRIVATE "-restrict")
 endif()
 
+include(CheckLibraryExists)
+CHECK_LIBRARY_EXISTS(m sqrt "" HAVE_LIB_M)
+if (HAVE_LIB_M)
+  target_link_libraries(GraphGenlib PUBLIC m)
+endif (HAVE_LIB_M)
+
 install(DIRECTORY include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 install(TARGETS GraphGenlib EXPORT CombBLASTargets)