stage1 works

Author: 2b57

profiles/features/bootstrap/make.defaults

@@ -19,4 +19,7 @@ BOOTSTRAP_USE="${BOOTSTRAP_USE} libcxxabi"
 
 # sys-devel/gcc
 # only libgcc and stdlib are needed
-BOOTSTRAP_USE="${BOOTSTRAP_USE} -fortran"
+BOOTSTRAP_USE="${BOOTSTRAP_USE} -fortran"
+
+# llvm & clang: explicitly disable all extra targets, otherwise linking stage2 fails
+BOOTSTRAP_USE="${BOOTSTRAP_USE} -llvm_targets_BPF -llvm_targets_AMDGPU -llvm_targets_NVPTX -llvm_targets_BPF"

profiles/features/clang/make.defaults

@@ -1,8 +1,21 @@
+# use Clang as a primary compiler
 CC="clang"
 CXX="clang++"
+
+# call Clang to link, it will invoke lld if needed
+# from man clang:
+# The clang executable is actually a small driver which controls the overall
+# execution of other tools such as the compiler, assembler and linker.
+# Typically you do not need to interact with the driver, but you transparently
+# use it to run the other tools
+LD="clang"
+
+# some linker flags
+LDFLAGS="-fuse-ld=lld -rtlib=compiler-rt -unwindlib=libunwind -Wl,--as-needed"
+
+# use LLVM-provided binutils
 AR="llvm-ar"
 NM="llvm-nm"
-LD="lld"
 RANLIB="llvm-ranlib"
 
 # curl needed by cmake

profiles/features/lto/use.force

@@ -1 +1 @@
-lto
+lto