ec8f294551
and allow the linker to garbage collect them. This shaves off up to a few MB from the final executables. MFC after: 3 days
56 lines
1.4 KiB
Makefile
56 lines
1.4 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_ON_UNIX
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CFLAGS+= -DLLVM_ON_FREEBSD
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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 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:Marmv6*} && (!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= unknown
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.endif
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OS_VERSION= freebsd12.0
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TARGET_TRIPLE?= ${TARGET_ARCH:C/amd64/x86_64/:C/arm64/aarch64/}-${TARGET_ABI}-${OS_VERSION}
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BUILD_TRIPLE?= ${BUILD_ARCH:C/amd64/x86_64/:C/arm64/aarch64/}-unknown-${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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