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https://github.com/freebsd/freebsd-src
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0b972ac92e
Make armv7 as a new MACHINE_ARCH. Copy all the places we do armv6 and add armv7 as basically an alias. clang appears to generate code for armv7 by default. armv7 hard float isn't supported by the the in-tree gcc, so it hasn't been updated to have a new default. Support armv7 as a new valid MACHINE_ARCH (and by extension TARGET_ARCH). Add armv7 to the universe build. Differential Revision: https://reviews.freebsd.org/D12010
56 lines
1.5 KiB
Makefile
56 lines
1.5 KiB
Makefile
# $FreeBSD$
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.ifndef LLVM_SRCS
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.error Please define LLVM_SRCS before including this file
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.endif
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.ifndef SRCDIR
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.error Please define SRCDIR before including this file
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.endif
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.PATH: ${LLVM_SRCS}/${SRCDIR}
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CFLAGS+= -I${SRCTOP}/lib/clang/include
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CFLAGS+= -I${LLVM_SRCS}/include
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CFLAGS+= -DLLVM_BUILD_GLOBAL_ISEL
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CFLAGS+= -D__STDC_LIMIT_MACROS
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CFLAGS+= -D__STDC_CONSTANT_MACROS
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#CFLAGS+= -DNDEBUG
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TARGET_ARCH?= ${MACHINE_ARCH}
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BUILD_ARCH?= ${MACHINE_ARCH}
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# Armv6 and armv7 uses hard float abi, unless the CPUTYPE has soft in it.
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# arm (for armv4 and armv5 CPUs) always uses the soft float ABI.
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# For all other targets, we stick with 'unknown'.
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.if ${TARGET_ARCH:Marmv[67]*} && (!defined(CPUTYPE) || ${CPUTYPE:M*soft*} == "")
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TARGET_ABI= -gnueabihf
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.elif ${TARGET_ARCH:Marm*}
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TARGET_ABI= -gnueabi
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.else
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TARGET_ABI=
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.endif
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VENDOR= unknown
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OS_VERSION= freebsd12.0
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TARGET_TRIPLE?= ${TARGET_ARCH:C/amd64/x86_64/:C/arm64/aarch64/}-${VENDOR}-${OS_VERSION}${TARGET_ABI}
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BUILD_TRIPLE?= ${BUILD_ARCH:C/amd64/x86_64/:C/arm64/aarch64/}-${VENDOR}-${OS_VERSION}
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CFLAGS+= -DLLVM_DEFAULT_TARGET_TRIPLE=\"${TARGET_TRIPLE}\"
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CFLAGS+= -DLLVM_HOST_TRIPLE=\"${BUILD_TRIPLE}\"
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CFLAGS+= -DDEFAULT_SYSROOT=\"${TOOLS_PREFIX}\"
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CFLAGS+= -ffunction-sections
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CFLAGS+= -fdata-sections
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LDFLAGS+= -Wl,--gc-sections
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CXXFLAGS+= -std=c++11
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CXXFLAGS+= -fno-exceptions
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CXXFLAGS+= -fno-rtti
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CXXFLAGS.clang+= -stdlib=libc++
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.if ${MACHINE_CPUARCH} == "arm"
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STATIC_CFLAGS+= -mlong-calls
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STATIC_CXXFLAGS+= -mlong-calls
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.endif
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