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function ‘pet_options_args’ redeclared as variable #34163

Open llvmbot opened 6 years ago

llvmbot commented 6 years ago
Bugzilla Link 34815
Version unspecified
OS Linux
Reporter LLVM Bugzilla Contributor
CC @Trass3r

Extended Description

Polly 5 does not compile:

make[2]: Entering directory '/src/llvm/build_5.0' [ 53%] Linking C shared library ../../../../lib/libPollyPPCG.so cd /src/llvm/build_5.0/tools/polly/lib/External && /usr/local/bin/cmake -E cmake_link_script CMakeFiles/PollyPPCG.dir/link.txt --verbose=1 /usr/local/bin/cc -fPIC -flto -pipe -fPIC -Werror=date-time -Wall -W -Wno-unused-parameter -Wwrite-strings -Wno-missing-field-initializers -pedantic -Wno-long-long -Wno-comment -ffunction-sections -fdata-sections -O3 -flto=4 -pipe -Wl,-s,-O1 -Wl,-z,defs -shared -Wl,-soname,libPollyPPCG.so -o ../../../../lib/libPollyPPCG.so CMakeFiles/PollyPPCG.dir/ppcg/cuda.c.o CMakeFiles/PollyPPCG.dir/ppcg/cuda_common.c.o CMakeFiles/PollyPPCG.dir/ppcg/gpu_array_tile.c.o CMakeFiles/PollyPPCG.dir/ppcg/gpu.c.o CMakeFiles/PollyPPCG.dir/ppcg/gpu_group.c.o CMakeFiles/PollyPPCG.dir/ppcg/gpu_print.c.o CMakeFiles/PollyPPCG.dir/ppcg/gpu_tree.c.o CMakeFiles/PollyPPCG.dir/ppcg/ppcg.c.o CMakeFiles/PollyPPCG.dir/ppcg/ppcg_options.c.o CMakeFiles/PollyPPCG.dir/ppcg/schedule.c.o CMakeFiles/PollyPPCG.dir/ppcg/external.c.o -Wl,-rpath,/src/llvm/build_5.0/lib: ../../../../lib/libPollyISL.so /src/llvm/llvm-5.0.0.src/tools/polly/lib/External/pet/include/pet.h:20:1: error: function ‘pet_options_args’ redeclared as variable ISL_ARG_DECL(pet_options, struct pet_options, pet_options_args) ^ /src/llvm/llvm-5.0.0.src/tools/polly/lib/External/ppcg/external.c:121:6: note: previously declared here void pet_options_args() { ^ lto1: fatal error: errors during merging of translation units compilation terminated. lto-wrapper: fatal error: /usr/local/bin/cc returned 1 exit status compilation terminated. /usr/local/lib/gcc/x86_64-pc-linux-gnu/6.4.1/../../../../x86_64-pc-linux-gnu/bin/ld: error: lto-wrapper failed collect2: error: ld returned 1 exit status make[2]: [tools/polly/lib/External/CMakeFiles/PollyPPCG.dir/build.make:356: lib/libPollyPPCG.so] Error 1 make[2]: Leaving directory '/src/llvm/build_5.0' make[1]: [CMakeFiles/Makefile2:23842: tools/polly/lib/External/CMakeFiles/PollyPPCG.dir/all] Error 2 make[1]: Leaving directory '/src/llvm/build_5.0' make: *** [Makefile:152: all] Error 2

Trass3r commented 4 years ago

Still happens on trunk with gcc 10 LTO: https://github.com/Trass3r/llvm-project/runs/841731081