configure.ac: generate prte_version.h properly #2091
Merged
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Have prte_version.h generated via AC_CONFIG_HEADERS, not AC_CONFIG_FILES. This properly quotes strings (which technically doesn't matter here since prte_version.h doesn't include any strings) and also won't overwrite the resulting .h file if it hasn't changed.
NOTE: This is a fix for the original commit that brought in this functionality (4da431a) which broke in at least some Linux environments. Apparently, AC_CONFIG_HEADERS -- unlike AC_CONFIG_FILES -- does not like extra newlines at the beginning or end of the file list parameter in at least some Linux environments (although it seems to work find on macOS). Shrug!