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Stop DYNAMIC_ARCH build if the toplevel source contains a stray config_kernel.h from a gmake build 

This is unlikely to happen in practice, but if it does, the rogue file would get included instead of the dynamically generated version for each target_core, leading to very confusing errors like "invalid operands (undefined UND and ABS sections)" in compilation of the assembly kernels as macros like PREFETCH would remain undefined
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Martin Kroeker 2020-10-11 00:40:22 +02:00 committed by GitHub
parent 2367726578
commit de27e4f5fb
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1 changed files with 6 additions and 2 deletions
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8
cmake/arch.cmake
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@ -1,4 +1,3 @@
##
## Author: Hank Anderson <hank@statease.com> ## Author: Hank Anderson <hank@statease.com>
## Description: Ported from portion of OpenBLAS/Makefile.system ## Description: Ported from portion of OpenBLAS/Makefile.system
## Sets various variables based on architecture. ## Sets various variables based on architecture.
@ -80,10 +79,15 @@ if (DYNAMIC_ARCH)
string(REGEX REPLACE "-march=native" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") string(REGEX REPLACE "-march=native" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
endif () endif ()
if (DYNAMIC_LIST) if (DYNAMIC_LIST)
set(DYNAMIC_CORE PRESCOTT ${DYNAMIC_LIST}) set(DYNAMIC_CORE ${DYNAMIC_LIST})
endif () endif ()
endif () endif ()
CHECK_INCLUDE_FILE ("${PROJECT_SOURCE_DIR}/config_kernel.h" TRAP)
if (TRAP)
message (FATAL_ERROR "Your build directory contains a file config_kernel.h, probably from a previous compilation with make. This will conflict with the cmake compilation and cause strange compiler errors - please remove the file before trying again")
endif ()
if (NOT DYNAMIC_CORE) if (NOT DYNAMIC_CORE)
message (STATUS "DYNAMIC_ARCH is not supported on this architecture, removing from options") message (STATUS "DYNAMIC_ARCH is not supported on this architecture, removing from options")
unset(DYNAMIC_ARCH CACHE) unset(DYNAMIC_ARCH CACHE)