[OpenMP][cmake] Add SPARC support #142364
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Linking `libomp.so` on 32-bit SPARC `FAIL`s with ``` ld: fatal: file projects/openmp/runtime/src/CMakeFiles/omp.dir/z_Linux_asm.S.o: wrong ELF class: ELFCLASS64 ``` This was a 1-stage build with a 64-bit-default `gcc`. Unlike the C++ sources, which were compiled as 32-bit objects due to the use of `-DCMAKE_CXX_FLAGS=-m32`, the assembler sources were not. This patch adds SPARC infrastructure to the `openmp` `cmake` files, matching what is done for other architectures. Simultaneously it simplifies passing `-m32`: instead of doing it per architecture, `-m32` is now always passed when the target uses 32-bit pointers and supports the option. Tested on `sparc-sun-solaris2.11`, `sparcv9-sun-solaris2.11`, `sparc-unknown-linux-gnu`, `sparc64-unknown-linux-gnu`, `i386-pc-solaris2.11`, `amd64-pc-solaris2.11`, `i686-pc-linux-gnu`, and `x86_64-pc-linux-gnu`.
shiltian
reviewed
Jun 3, 2025
|
When I started working on the SPARC |
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This patch adds SPARC infrastructure to the
openmpcmakefiles, matching what is done for other architectures.Tested on
sparc-sun-solaris2.11,sparcv9-sun-solaris2.11,sparc-unknown-linux-gnu,sparc64-unknown-linux-gnu,i386-pc-solaris2.11,amd64-pc-solaris2.11,i686-pc-linux-gnu, andx86_64-pc-linux-gnu.