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Added IS_X86_64, enabled -fPIC for IS_X86_64. Cleared compile error when building the shared object

pull/2/head
Jeffrey Walton 2015-06-14 19:07:06 -04:00
parent 3829c7fd51
commit 4206b4a4dc
1 changed files with 8 additions and 2 deletions
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10
GNUmakefile
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@ -1,6 +1,6 @@
CXXFLAGS = -DNDEBUG -g -O2
# -O3 fails to link on Cygwin GCC version 4.5.3
# -fPIC is supported. Please report any breakage of -fPIC as a bug.
# -fPIC is supported, and enabled by default for x86_64.
# CXXFLAGS += -fPIC
# the following options reduce code size, but breaks link or makes link very slow on some systems
# CXXFLAGS += -ffunction-sections -fdata-sections
@ -12,6 +12,7 @@ MKDIR = mkdir
EGREP = egrep
UNAME = $(shell uname)
IS_X86 = $(shell uname -m | $(EGREP) -c "i.86|x86|i86|amd64")
IS_X86_64 = $(shell uname -m | $(EGREP) -c "_64|d64")
IS_SUN_CC = $(shell $(CXX) -V 2>&1 | $(EGREP) -c "CC: Sun")
IS_LINUX = $(shell $(CXX) -dumpmachine 2>&1 | $(EGREP) -c "linux")
IS_MINGW = $(shell $(CXX) -dumpmachine 2>&1 | $(EGREP) -c "mingw")
@ -35,6 +36,11 @@ GAS210_OR_LATER = $(shell $(CXX) -xc -c /dev/null -Wa,-v -o/dev/null 2>&1 | $(EG
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 | $(EGREP) -c "GNU assembler version (2\.19|2\.[2-9]|[3-9])")
#Enable PIC for x86_64 targets
ifneq ($(IS_X86_64),0)
CXXFLAGS += -fPIC
endif
ifneq ($(GCC42_OR_LATER),0)
ifeq ($(UNAME),Darwin)
CXXFLAGS += -arch x86_64 -arch i386
@ -81,7 +87,7 @@ endif
ifeq ($(IS_LINUX),1)
LDFLAGS += -pthread
ifneq ($(shell uname -i | $(EGREP) -c "(_64|d64)"),0)
ifneq ($(IS_X86_64),0)
M32OR64 = -m64
endif
endif