[PATCH] D54461: [CMake] Support cross-compiling with multi-stage builds

[Petr Hosek via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rC347025: [CMake] Support cross-compiling with multi-stage builds (authored by phosek, committed by ).
Herald added a subscriber: cfe-commits.

Changed prior to commit:
  https://reviews.llvm.org/D54461?vs=173956&id=174323#toc

Repository:
  rC Clang

https://reviews.llvm.org/D54461

Files:
  CMakeLists.txt


Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -599,8 +599,8 @@
       if(NOT BOOTSTRAP_LLVM_ENABLE_LLD AND LLVM_BINUTILS_INCDIR)
         add_dependencies(clang-bootstrap-deps LLVMgold)
       endif()
-      set(LTO_AR -DCMAKE_AR=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ar)
-      set(LTO_RANLIB -DCMAKE_RANLIB=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ranlib)
+      set(${CLANG_STAGE}_AR -DCMAKE_AR=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ar)
+      set(${CLANG_STAGE}_RANLIB -DCMAKE_RANLIB=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ranlib)
     endif()
   endif()
 
@@ -666,6 +666,26 @@
     -DCMAKE_ASM_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/${C_COMPILER}
     -DCMAKE_ASM_COMPILER_ID=Clang)
 
+  if(BOOTSTRAP_CMAKE_SYSTEM_NAME)
+    set(${CLANG_STAGE}_CONFIG -DLLVM_CONFIG_PATH=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-config)
+    set(${CLANG_STAGE}_TABLEGEN
+      -DLLVM_TABLEGEN=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-tblgen
+      -DCLANG_TABLEGEN=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang-tblgen)
+    if(BOOTSTRAP_CMAKE_SYSTEM_NAME STREQUAL "Linux")
+      if(BOOTSTRAP_LLVM_ENABLE_LLD)
+        set(${CLANG_STAGE}_LINKER -DCMAKE_LINKER=${LLVM_RUNTIME_OUTPUT_INTDIR}/ld.lld)
+      endif()
+      if(NOT BOOTSTRAP_LLVM_ENABLE_LTO)
+        add_dependencies(clang-bootstrap-deps llvm-ar llvm-ranlib)
+        set(${CLANG_STAGE}_AR -DCMAKE_AR=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ar)
+        set(${CLANG_STAGE}_RANLIB -DCMAKE_RANLIB=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ranlib)
+      endif()
+      add_dependencies(clang-bootstrap-deps llvm-objcopy llvm-strip)
+      set(${CLANG_STAGE}_OBJCOPY -DCMAKE_OBJCOPY=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-objcopy)
+      set(${CLANG_STAGE}_STRIP -DCMAKE_STRIP=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-strip)
+    endif()
+  endif()
+
   if(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED)
     add_dependencies(clang-bootstrap-deps llvm-profdata)
     set(PGO_OPT -DLLVM_PROFDATA=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-profdata)
@@ -734,7 +754,14 @@
                 ${PASSTHROUGH_VARIABLES}
                  -DCLANG_STAGE=${NEXT_CLANG_STAGE}
                 ${COMPILER_OPTIONS}
-                ${LTO_LIBRARY} ${LTO_AR} ${LTO_RANLIB} ${verbose} ${PGO_OPT}
+                ${${CLANG_STAGE}_CONFIG}
+                ${${CLANG_STAGE}_TABLEGEN}
+                ${LTO_LIBRARY} ${verbose} ${PGO_OPT}
+                ${${CLANG_STAGE}_LINKER}
+                ${${CLANG_STAGE}_AR}
+                ${${CLANG_STAGE}_RANLIB}
+                ${${CLANG_STAGE}_OBJCOPY}
+                ${${CLANG_STAGE}_STRIP}
     INSTALL_COMMAND ""
     STEP_TARGETS configure build
     USES_TERMINAL_CONFIGURE 1


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