[flang-dev] Error while building LLVM

[Rajesh K Singh via flang-dev]

Hello,

I have downloaded the LLVM-project today (11-May-2020) and I am trying to
build *"mlir;clang;openmp;flang” LLVM projects using the below command:*

*cmake -DLLVM_ENABLE_PROJECTS="mlir;clang;openmp;flang"
-DCMAKE_C_COMPILER=/usr/local/bin/gcc
-DCMAKE_CXX_COMPILER=/usr/local/bin/g++ -G "Unix Makefiles"
-DLLVM_USE_LINKER=gold -DCMAKE_BUILD_TYPE=Release
-DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN=_ON_ ../llvm/*

The compilation was going well until the below error occurred:

=============================================

Scanning dependencies of target MLIRSupport

[ 71%] Linking CXX static library ../../../../lib/libMLIRSupport.a

[ 71%] Built target MLIRSupport

Scanning dependencies of target obj.MLIRLoopAnalysis

[ 71%] Building CXX object
tools/mlir/lib/Analysis/CMakeFiles/obj.MLIRLoopAnalysis.dir/AffineAnalysis.cpp.o

In file included from
/home/llvm-project/mlir/lib/Analysis/AffineAnalysis.cpp:16:0:

/home/llvm-project/mlir/include/mlir/Dialect/Affine/IR/AffineOps.h:366:10:
fatal error: mlir/Dialect/Affine/IR/AffineOpsDialect.h.inc: No such file or
directory

#include "mlir/Dialect/Affine/IR/AffineOpsDialect.h.inc"

          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

compilation terminated.

make[2]: ***
[tools/mlir/lib/Analysis/CMakeFiles/obj.MLIRLoopAnalysis.dir/AffineAnalysis.cpp.o]
Error 1

make[1]: ***
[tools/mlir/lib/Analysis/CMakeFiles/obj.MLIRLoopAnalysis.dir/all] Error 2

make: *** [all] Error 2

====================

When I searched the file “AffineOpsDialect.h.inc”, it could not be located,
please see below:



[root at localhost llvm-project]# ls
mlir/Dialect/Affine/IR/AffineOpsDialect.h.inc

ls: cannot access mlir/Dialect/Affine/IR/AffineOpsDialect.h.inc: No such
file or directory

[root at localhost llvm-project]# locate AffineOpsDialect.h.inc

[root at localhost llvm-project]#



Please help.

Thanks in anticipation.

Rajesh
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