[flang] Minor revision of the getting started guide. (#149632)
- C++17 is now the default, no need to specify explicitly.
https://github.com/llvm/llvm-project/blob/b3c9ed151f18fbbfe027cf93dd7957f36bcbaccf/flang/CMakeLists.txt#L13
- The current recommended way to set up OpenMP is as a runtime, not as a
project.
https://github.com/llvm/llvm-project/blob/b3c9ed151f18fbbfe027cf93dd7957f36bcbaccf/llvm/CMakeLists.txt#L209-L214
diff --git a/flang/docs/GettingStarted.md b/flang/docs/GettingStarted.md
index 0b3b551..2ea8093 100644
--- a/flang/docs/GettingStarted.md
+++ b/flang/docs/GettingStarted.md
@@ -74,15 +74,14 @@
-G Ninja \
-DCMAKE_BUILD_TYPE=Release \
-DCMAKE_INSTALL_PREFIX=$INSTALLDIR \
- -DCMAKE_CXX_STANDARD=17 \
-DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
-DCMAKE_CXX_LINK_FLAGS="-Wl,-rpath,$LD_LIBRARY_PATH" \
-DFLANG_ENABLE_WERROR=ON \
-DLLVM_ENABLE_ASSERTIONS=ON \
-DLLVM_TARGETS_TO_BUILD=host \
-DLLVM_LIT_ARGS=-v \
- -DLLVM_ENABLE_PROJECTS="clang;mlir;flang;openmp" \
- -DLLVM_ENABLE_RUNTIMES="compiler-rt;flang-rt" \
+ -DLLVM_ENABLE_PROJECTS="clang;mlir;flang" \
+ -DLLVM_ENABLE_RUNTIMES="compiler-rt;flang-rt;openmp" \
../llvm-project/llvm
ninja
@@ -141,7 +140,6 @@
cmake \
-G Ninja \
-DCMAKE_BUILD_TYPE=Release \
- -DCMAKE_CXX_STANDARD=17 \
-DCMAKE_CXX_LINK_FLAGS="-Wl,-rpath,$LD_LIBRARY_PATH" \
-DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
-DFLANG_ENABLE_WERROR=ON \
