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enabled optimization flags by default in GNUmakefile

pull/2/head
weidai 2007-04-15 22:59:29 +00:00
parent 45fab64526
commit 38ca2b38a8
1 changed files with 14 additions and 14 deletions
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28
GNUmakefile
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@ -1,12 +1,5 @@
# can't use -fno-rtti yet because it causes problems with exception handling in GCC 2.95.2
CXXFLAGS = -g
# Uncomment the following two lines to do a release build.
# Note that you must define NDEBUG for your own application if you define it for Crypto++.
# Make sure you run the validation tests and test your own program thoroughly
# after turning on -O3. The GCC optimizer may have bugs that cause it to generate incorrect code.
# Try removing -fdata-sections if you get "undefined external reference" errors.
# CXXFLAGS = -O3 -DNDEBUG -ffunction-sections -fdata-sections
# LDFLAGS += -Wl,--gc-sections
CXXFLAGS = -DNDEBUG -ffunction-sections -fdata-sections -g
LDFLAGS += -Wl,--gc-sections
ARFLAGS = -cr # ar needs the dash on OpenBSD
RANLIB = ranlib
CP = cp
@ -15,6 +8,13 @@ EGREP = egrep
UNAME = $(shell uname)
ISX86 = $(shell uname -m | $(EGREP) -c "i.86|x86|i86")
ISMINGW = $(shell uname | $(EGREP) -c "MINGW32")
GCC4_OR_LATER = $(shell $(CXX) -v 2>&1 | $(EGREP) -c "gcc version 4")
ifeq ($(GCC4_OR_LATER),1)
CXXFLAGS += -Os # -O3 causes Salsa20 validation to fail on GCC 4.1.2
else
CXXFLAGS += -O1 # -Os, -O2, -O3 all cause Salsa20 validation to fail on GCC 3.4.4
endif
# Default prefix for make install
ifeq ($(PREFIX),)
@ -27,15 +27,15 @@ endif
ifeq ($(ISX86),1)
GCC33ORLATER = $(shell $(CXX) -v 2>&1 | $(EGREP) -c "gcc version (3.[3-9]|[4-9])")
GAS210ORLATER = $(shell echo "" | $(AS) -v 2>&1 | $(EGREP) -c "GNU assembler version (2.[1-9][0-9]|[3-9])")
GCC33_OR_LATER = $(shell $(CXX) -v 2>&1 | $(EGREP) -c "gcc version (3.[3-9]|[4-9])")
GAS210_OR_LATER = $(shell echo "" | $(AS) -v 2>&1 | $(EGREP) -c "GNU assembler version (2.[1-9][0-9]|[3-9])")
ifeq ($(GCC33ORLATER) $(ISMINGW),1 0) # MINGW32 is missing the memalign function
ifeq ($(GCC33_OR_LATER),1)
CXXFLAGS += -msse2
endif
ifeq ($(GAS210ORLATER),0) # .intel_syntax wasn't supported until GNU assembler 2.10
CXXFLAGS += -DCRYPTOPP_DISABLE_X86ASM
ifeq ($(GAS210_OR_LATER),0) # .intel_syntax wasn't supported until GNU assembler 2.10
CXXFLAGS += -DCRYPTOPP_DISABLE_ASM
endif
endif