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OpenBLAS: Source build fixes for RISC-V #56556

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merged 2 commits into from
Nov 15, 2024
Merged

OpenBLAS: Source build fixes for RISC-V #56556

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3028067
OpenBLAS: Don't disable dynamic architecture support when providing a…
maleadt Nov 14, 2024
345862f
OpenBLAS: Build 64-bit library for RISC-V.
maleadt Nov 14, 2024
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20 changes: 13 additions & 7 deletions Make.inc
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Original file line number Diff line number Diff line change
Expand Up @@ -28,13 +28,7 @@ BOOTSTRAP_DEBUG_LEVEL ?= 0
OPENBLAS_TARGET_ARCH:=
OPENBLAS_SYMBOLSUFFIX:=
OPENBLAS_LIBNAMESUFFIX:=

# If OPENBLAS_TARGET_ARCH is set, we default to disabling OPENBLAS_DYNAMIC_ARCH
ifneq ($(OPENBLAS_TARGET_ARCH),)
OPENBLAS_DYNAMIC_ARCH:=0
else
OPENBLAS_DYNAMIC_ARCH:=1
endif
OPENBLAS_USE_THREAD:=1

# Flags for using libraries available on the system instead of building them.
Expand Down Expand Up @@ -995,9 +989,15 @@ MTUNE=native
endif
endif

# If we are running on x86 or x86_64, set certain options automatically
ifeq (1,$(ISX86))
OPENBLAS_DYNAMIC_ARCH:=1
endif

# If we are running on powerpc64le or ppc64le, set certain options automatically
ifneq (,$(filter $(ARCH), powerpc64le ppc64le))
JCFLAGS += -fsigned-char
OPENBLAS_DYNAMIC_ARCH:=1
OPENBLAS_TARGET_ARCH:=POWER8
BINARY:=64
# GCC doesn't do -march= on ppc64le
Expand Down Expand Up @@ -1054,17 +1054,23 @@ endif
# If we are running on ARM, set certain options automatically
ifneq (,$(findstring arm,$(ARCH)))
JCFLAGS += -fsigned-char
OPENBLAS_DYNAMIC_ARCH:=0
OPENBLAS_TARGET_ARCH:=ARMV7
BINARY:=32
endif

# If we are running on aarch64 (e.g. ARMv8 or ARM64), set certain options automatically
ifneq (,$(findstring aarch64,$(ARCH)))
OPENBLAS_DYNAMIC_ARCH:=1
OPENBLAS_TARGET_ARCH:=ARMV8
BINARY:=64
endif

# If we are running on riscv64, set certain options automatically
ifneq (,$(findstring riscv64,$(ARCH)))
OPENBLAS_DYNAMIC_ARCH:=1
BINARY:=64
endif

# Set MARCH-specific flags
ifneq ($(MARCH),)
CC += -march=$(MARCH)
Expand Down