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Fix "error: bad value (native) for -march= switch" on CentOS 5

pull/35/head
Jeffrey Walton 2015-07-31 06:32:11 -04:00
parent b84cd9013a
commit cfb68699b0
1 changed files with 20 additions and 0 deletions
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GNUmakefile
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@ -51,6 +51,9 @@ CLANG_COMPILER = $(shell $(CXX) --version 2>&1 | $(EGREP) -i -c "clang")
INTEL_COMPILER = $(shell $(CXX) --version 2>&1 | $(EGREP) -i -c "\(ICC\)")
SUN_COMPILER = $(shell $(CXX) -V 2>&1 | $(EGREP) -i -c "CC: Sun")
IS_GCC_41 = $(shell $(CXX) -v 2>&1 | $(EGREP) -i -c "^gcc version 4\.1\.")
IS_GCC_42 = $(shell $(CXX) -v 2>&1 | $(EGREP) -i -c "^gcc version 4\.2\.")
# 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 and generate code that passes the self tests.
@ -71,6 +74,11 @@ IS_CYGWIN = $(shell $(CXX) -dumpmachine 2>&1 | $(EGREP) -i -c "cygwin")
IS_OPENBSD = $(shell $(CXX) -dumpmachine 2>&1 | $(EGREP) -i -c "openbsd")
IS_SUN = $(shell echo $SYSTEM | $(EGREP) -i -c "SunOS")
IS_FEDORA22_i686 = $(shell echo $RELEASE | $(EGREP) -i -c "fc22.i686")
IS_CENTOS = $(shell lsb_release -si | $(EGREP) -i -c "CentOS")
ifneq ($(IS_CENTOS),0)
IS_CENTOS_5 = $(shell lsb_release -sr | $(EGREP) -i -c "5\.")
endif
#########################
# May (or may not) be used below
@ -219,6 +227,18 @@ ifeq ($(findstring -m32 -m64,$(CXXFLAGS)),)
CXXFLAGS += -march=native
endif
#########################
# GCC 4.1 and "error: bad value (native) for -march= switch"
ifneq ($(IS_GCC_41),0)
ifneq ($(findstring -march=native,$(CXXFLAGS)),)
ifneq ($(IS_X86_64),0)
CXXFLAGS := $(subst -march=native,-m64,$(CXXFLAGS))
else
CXXFLAGS := $(subst -march=native,-m32,$(CXXFLAGS))
endif
endif
endif
#########################
# Intel work arounds.
# Should this be moved to outside of i386/i686/x86_64 block?