update(llvm) (#2295)

* update(llvm)

* wip

* wip

projects/llvm.org/package.yml

@@ -37,6 +37,7 @@ build:
       - -DCMAKE_INSTALL_PREFIX="{{ prefix }}"
       - -DCMAKE_BUILD_TYPE=Release
       - -DLLVM_ENABLE_PROJECTS='lld;clang'
+      - -DLLVM_ENABLE_RUNTIMES='compiler-rt'
       - -DLLVM_INCLUDE_DOCS=OFF
       - -DLLVM_INCLUDE_TESTS=OFF
     linux:
@@ -46,6 +47,9 @@ build:
       #NOTE only wanted on linux because on macOS we actually *need* the Apple
       # provided `ld` or things *also* break 😆
       - -DCLANG_DEFAULT_LINKER=lld
+      # Needed with the CMAKE_C_COMPILER_TARGET to compile compiler-rt on linux
+      # https://reviews.llvm.org/D147598
+      - -DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON
     darwin:
       ARGS:
       #FIXME shouldn’t *have to* require the command line tools package
@@ -58,7 +62,16 @@ build:
       - -DCLANG_DEFAULT_CXX_STDLIB=libstdc++
       - -DCLANG_DEFAULT_RTLIB=libgcc
       - -DCOMPILER_RT_INCLUDE_TESTS=OFF
-      - -DCOMPILER_RT_USE_LIBCXX=OFF"
+      - -DCOMPILER_RT_USE_LIBCXX=OFF
+      # otherwise compiler-rt fails to build
+      # https://reviews.llvm.org/D147598
+      - -DCMAKE_C_COMPILER_TARGET="x86_64-unknown-linux-gnu"
+    linux/aarch64:
+      ARGS:
+      # otherwise compiler-rt fails to build
+      # https://reviews.llvm.org/D147598
+      - -DCMAKE_C_COMPILER_TARGET="aarch64-unknown-linux-gnu"
+
 test:
   fixture: |
     #include <stdio.h>
@@ -66,7 +79,11 @@ test:
       printf("Hello World!\n");
       return 0;
     }
-  script: |
-    mv $FIXTURE $FIXTURE.c
-    clang $FIXTURE.c
-    ./a.out
+  script:
+    - mv $FIXTURE $FIXTURE.c
+    - clang $ARGS $FIXTURE.c
+    - ./a.out
+  env:
+    ARGS:
+      - -fsanitize=address,undefined
+      - -Wl,-rpath,$TEA_PREFIX