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Additional changes to support Clang's integrated assembler. They have not been activated though. Uri and other testers will be able to uncomment the TODO line and everything will work as expected

pull/35/head
Jeffrey Walton 2015-07-23 02:18:57 -04:00
parent e6300f52e2
commit b3924a7b86
1 changed files with 21 additions and 7 deletions
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28
GNUmakefile
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@ -32,13 +32,23 @@ ifneq ($(CLANG_COMPILER),0)
CXXFLAGS += -Wall
endif
# Also see LLVM Bug 24200 (https://llvm.org/bugs/show_bug.cgi?id=24200)
# CLANG_ASSEMBLER ?= $(shell $(CXX) -xc -c /dev/null -Wa,-v -o/dev/null 2>&1 | $(EGREP) -i -c "^clang")
# TODO: Uncomment the line above when Clang's integrated assembler can parse inline assembly
CLANG_ASSEMBLER ?= 0
ifeq ($(IS_X86),1)
GCC42_OR_LATER = $(shell $(CXX) -v 2>&1 | $(EGREP) -i -c "^gcc version (4.[2-9]|[5-9])")
ICC111_OR_LATER = $(shell $(CXX) --version 2>&1 | $(EGREP) -c "\(ICC\) ([2-9][0-9]|1[2-9]|11\.[1-9])")
ifeq ($(CLANG_ASSEMBLER),0)
# Using system provided assembler. It may be GNU AS (GAS).
GAS210_OR_LATER ?= $(shell $(CXX) -xc -c /dev/null -Wa,-v -o/dev/null 2>&1 | $(EGREP) -c "GNU assembler version (2\.[1-9][0-9]|[3-9])")
GAS217_OR_LATER ?= $(shell $(CXX) -xc -c /dev/null -Wa,-v -o/dev/null 2>&1 | $(EGREP) -c "GNU assembler version (2\.1[7-9]|2\.[2-9]|[3-9])")
GAS219_OR_LATER ?= $(shell $(CXX) -xc -c /dev/null -Wa,-v -o/dev/null 2>&1 | $(EGREP) -c "GNU assembler version (2\.19|2\.[2-9]|[3-9])")
else
endif
# Enable PIC for x86_64 targets
ifneq ($(IS_X86_64),0)
@ -111,20 +121,24 @@ CXXFLAGS += -DCRYPTOPP_DISABLE_ASM
endif
endif
ifeq ($(GAS210_OR_LATER),0) # .intel_syntax wasn't supported until GNU assembler 2.10
# .intel_syntax wasn't supported until GNU assembler 2.10
SUPPORTS_ASM ?= $(shell echo $$(($(GAS210_OR_LATER) + $(CLANG_ASSEMBLER))))
ifeq ($(SUPPORTS_ASM),0)
CXXFLAGS += -DCRYPTOPP_DISABLE_ASM
else
ifeq ($(GAS217_OR_LATER),0)
SUPPORTS_SSE3 ?= GAS217_OR_LATER
ifeq ($(SUPPORTS_SSE3),0)
CXXFLAGS += -DCRYPTOPP_DISABLE_SSSE3
else
ifeq ($(GAS219_OR_LATER),0)
SUPPORTS_AESNI ?= GAS219_OR_LATER
ifeq ($(SUPPORTS_AESNI),0)
CXXFLAGS += -DCRYPTOPP_DISABLE_AESNI
endif
endif
endif # SUPPORTS_AESNI
endif # SUPPORTS_SSE3
ifeq ($(UNAME),SunOS)
CXXFLAGS += -Wa,--divide # allow use of "/" operator
endif
endif
endif # SunOS
endif # SUPPORTS_ASM
endif # IS_X86