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Exclude POWER9 from DYNAMIC_ARCH when gcc versions is lower than 6

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Martin Kroeker 2019-09-21 13:32:00 +02:00 committed by GitHub
parent 0ae691bd0d
commit 471e57ecd3
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 2 deletions
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13
Makefile.system
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@ -322,12 +322,13 @@ CCOMMON_OPT += -DMS_ABI
endif
ifeq ($(C_COMPILER), GCC)
#Test for supporting MS_ABI
#Version tests for supporting specific features (MS_ABI, POWER9 intrinsics)
GCCVERSIONGTEQ4 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \>= 4)
GCCVERSIONGT4 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \> 4)
GCCVERSIONGT5 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \> 5)
GCCMINORVERSIONGTEQ7 := $(shell expr `$(CC) -dumpversion | cut -f2 -d.` \>= 7)
ifeq ($(GCCVERSIONGT4), 1)
# GCC Majar version > 4
# GCC Major version > 4
# It is compatible with MSVC ABI.
CCOMMON_OPT += -DMS_ABI
endif
@ -554,8 +555,16 @@ endif
ifeq ($(ARCH), power)
DYNAMIC_CORE = POWER6
DYNAMIC_CORE += POWER8
ifneq ($(C_COMPILER), GCC)
DYNAMIC_CORE += POWER9
endif
ifeq ($(C_COMPILER), GCC)
ifeq ($(GCCVERSIONGT5), 1)
DYNAMIC_CORE += POWER9
else
$(info, OpenBLAS: Your gcc version is too old to build the POWER9 kernels.)
endif
endif
# If DYNAMIC_CORE is not set, DYNAMIC_ARCH cannot do anything, so force it to empty
ifndef DYNAMIC_CORE