ppc64le build fixes + ibm-clang #2116
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Updated build files for modern ppc64le, including undefining the "vector" macro and supporting ibm-clang. Previously, the ppc64le build would fail to compile.
TYPE: bug fix
KEYWORDS: ppc64le, gcc, build
SOURCE: Joshua Strodtbeck (Tachos High Performance Computing)
DESCRIPTION OF CHANGES:
Problem:
The old IBM XL compiler has been superseded by ibm-clang. Moreover, both gcc and ibm-clang define a macro called "vector" which causes the preprocessor to fail. Note that this fix depends on islas/cmake-fixSplitCommandFlags, which must be merged first, or the preprocessor fix won't work.
Solution:
Added ibm-clang and ppc64le gcc to
ISSUE: For use when this PR closes an issue.
N/A
LIST OF MODIFIED FILES: list of changed files (use
git diff --name-status masterto get formatted list)arch/configure.defaults
TESTS CONDUCTED:
Compiled and ran conus2.5km on my Power9 box.
RELEASE NOTE: The latest IBM compiler, ibm-clang, is now supported.