RFC: FIR Merge - PR1: Add ASTBuilder structure to help lowering the parse-tree

.drone.star

@@ -7,9 +7,9 @@ def clang(arch):
                 "name": "test",
                 "image": "ubuntu",
                 "commands": [
-                    "apt-get update && apt-get install -y clang-8 cmake ninja-build lld-8 llvm-dev libc++-8-dev libc++abi-8-dev",
+                    "apt-get update && apt-get install -y clang-8 cmake ninja-build lld-8 llvm-8-dev libc++-8-dev libc++abi-8-dev libz-dev",
                     "mkdir build && cd build",
-                    'env CC=clang-8 CXX=clang++-8 CXXFLAGS="-UNDEBUG -stdlib=libc++" LDFLAGS="-fuse-ld=lld" cmake -GNinja -DCMAKE_BUILD_TYPE=Release ..',
+                    'env CC=clang-8 CXX=clang++-8 CXXFLAGS="-UNDEBUG" LDFLAGS="-fuse-ld=lld" cmake -GNinja -DCMAKE_BUILD_TYPE=Release ..',
                     "ninja -j8",
                     "ctest --output-on-failure -j24",
                 ],
@@ -27,7 +27,7 @@ def gcc(arch):
                     "name": "test",
                     "image": "gcc",
                     "commands": [
-			"apt-get update && apt-get install -y cmake ninja-build llvm-dev",
+			"apt-get update && apt-get install -y cmake ninja-build llvm-dev libz-dev",
                         "mkdir build && cd build",
                         'env CC=gcc CXX=g++ CXXFLAGS="-UNDEBUG" LDFLAGS="-fuse-ld=gold" cmake -GNinja -DCMAKE_BUILD_TYPE=Release ..',
                         "ninja -j8",

CMakeLists.txt

@@ -70,7 +70,14 @@ include(AddLLVM)
 #  https://stackoverflow.com/questions/41924375/llvm-how-to-specify-all-link-libraries-as-input-to-llvm-map-components-to-libna
 #  https://stackoverflow.com/questions/33948633/how-do-i-link-when-building-with-llvm-libraries
 
-include_directories(${LLVM_INCLUDE_DIRS})
+# Add LLVM include files as if they were SYSTEM because there are complex unused
+# parameter issues that may or may not appear depending on the environments and
+# compilers (ifdefs are involved). This allows warnings from LLVM headers to be
+# ignored while keeping -Wunused-parameter a fatal error inside f18 code base.
+# This may have to be fine-tuned if flang headers are consider part of this
+# LLVM_INCLUDE_DIRS when merging in the monorepo (Warning from flang headers
+# should not be suppressed).
+include_directories(SYSTEM ${LLVM_INCLUDE_DIRS})
 add_definitions(${LLVM_DEFINITIONS})
 
 # LLVM_LIT_EXTERNAL store in cache so it could be used by AddLLVM.cmake

documentation/FortranForCProgrammers.md

@@ -1,9 +1,9 @@
-<!--===- documentation/FortranForCProgrammers.md 
-  
+<!--===- documentation/FortranForCProgrammers.md
+
    Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
    See https://llvm.org/LICENSE.txt for license information.
    SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-  
+
 -->
 
 Fortran For C Programmers