[llvm] f9f5ed2 - [LLVM] Use complete runtime dependency list for multilibs (#226580)

[via llvm-commits]

Author: Joseph Huber
Date: 2026-09-25T17:01:11-05:00
New Revision: f9f5ed22a7026261aec0075caa9862953a8a5fe6

URL: https://github.com/llvm/llvm-project/commit/f9f5ed22a7026261aec0075caa9862953a8a5fe6
DIFF: https://github.com/llvm/llvm-project/commit/f9f5ed22a7026261aec0075caa9862953a8a5fe6.diff

LOG: [LLVM] Use complete runtime dependency list for multilibs (#226580)

Summary:
The current handling makes the multilib job depend on the base runtimes
job. This means that we will potentially depend on things that don't
necessarily need to be built to fulfil the multilibs job. Instead, just
depend on the individual targets for that multilib.

Added: 
    

Modified: 
    llvm/runtimes/CMakeLists.txt

Removed: 
    


################################################################################
diff  --git a/llvm/runtimes/CMakeLists.txt b/llvm/runtimes/CMakeLists.txt
index f909457c60dca..d9b01f692ecb2 100644
--- a/llvm/runtimes/CMakeLists.txt
+++ b/llvm/runtimes/CMakeLists.txt
@@ -394,10 +394,12 @@ function(runtime_register_target name)
     endif()
   endforeach()
 
+  set(${name}_runtime_targets)
   foreach(runtime_name ${runtime_names})
     set(${runtime_name}-${name} ${runtime_name})
     set(install-${runtime_name}-${name} install-${runtime_name})
     set(install-${runtime_name}-${name}-stripped install-${runtime_name}-stripped)
+    list(APPEND ${name}_runtime_targets ${runtime_name}-${name})
     list(APPEND ${name}_extra_targets ${runtime_name}-${name} install-${runtime_name}-${name} install-${runtime_name}-${name}-stripped)
     if(LLVM_INCLUDE_TESTS)
       set(check-${runtime_name}-${name} check-${runtime_name} )
@@ -530,6 +532,7 @@ function(runtime_register_target name)
   endforeach()
 
   add_flang_mod_deps(runtimes-${name}-build ${${name}_extra_targets})
+  set(${name}_runtime_targets ${${name}_runtime_targets} PARENT_SCOPE)
 endfunction()
 
 # Check if we have any runtimes to build.
@@ -763,7 +766,7 @@ if(build_runtimes)
     foreach(multilib ${LLVM_RUNTIME_MULTILIBS})
       foreach(name ${LLVM_RUNTIME_MULTILIB_${multilib}_TARGETS})
         runtime_register_target(${name}+${multilib}
-          DEPENDS runtimes-${name}
+          DEPENDS ${${name}_runtime_targets}
           CMAKE_ARGS -DLLVM_DEFAULT_TARGET_TRIPLE=${name}
                      -DLLVM_RUNTIMES_LIBDIR_SUBDIR=${multilib}
                      ${extra_cmake_args}