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Merge pull request #2626 from docularxu/working-gcc-version-detections 

make GCC version detection OS-independent
This commit is contained in:
Martin Kroeker 2020-05-26 08:35:58 +02:00 committed by GitHub
parent f1a18d245b 06387ac0e6
commit d069780e63
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 7 deletions
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16
Makefile.system
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@ -277,6 +277,15 @@ NO_LAPACK = 1
override FEXTRALIB =
endif
ifeq ($(C_COMPILER), GCC)
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)
GCCVERSIONGTEQ7 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \>= 7)
GCCVERSIONGTEQ9 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \>= 9)
GCCMINORVERSIONGTEQ7 := $(shell expr `$(CC) -dumpversion | cut -f2 -d.` \>= 7)
endif
#
# OS dependent settings
#
@ -323,13 +332,7 @@ ifeq ($(C_COMPILER), CLANG)
CCOMMON_OPT += -DMS_ABI
endif
ifeq ($(C_COMPILER), GCC)
#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)
GCCVERSIONGTEQ7 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \>= 7)
GCCVERSIONGTEQ9 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \>= 9)
GCCMINORVERSIONGTEQ7 := $(shell expr `$(CC) -dumpversion | cut -f2 -d.` \>= 7)
ifeq ($(GCCVERSIONGT4), 1)
# GCC Major version > 4
# It is compatible with MSVC ABI.
@ -343,7 +346,6 @@ ifeq ($(GCCMINORVERSIONGTEQ7), 1)
CCOMMON_OPT += -DMS_ABI
endif
endif
endif
# Ensure the correct stack alignment on Win32
# http://permalink.gmane.org/gmane.comp.lib.openblas.general/97