freebsd-dev/lib/clang/llvm.build.mk
Dimitry Andric 7eee172052 Fix the mips64 world build after r364284.
Linking the full version of clang 11 results in errors similar to:

lld: error: /usr/src/contrib/llvm-project/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp:736:(.text._ZN5clang4ento22CreateAnalysisConsumerERNS_16CompilerInstanceE+0xE0): relocation R_MIPS_CALL16 out of range: 48920 is not in [-32768, 32767]; references operator new(unsigned long)

Add -mxgot to the compilation flags for llvm libraries to work around
this error. This may be too big of a hammer, but it can always be
refined later.

MFC after:	6 weeks
2020-08-19 17:05:30 +00:00

114 lines
3.1 KiB
Makefile

# $FreeBSD$
.include <src.opts.mk>
.ifndef LLVM_BASE
.error Please define LLVM_BASE before including this file
.endif
.ifndef LLVM_SRCS
.error Please define LLVM_SRCS before including this file
.endif
.ifndef SRCDIR
.error Please define SRCDIR before including this file
.endif
.PATH: ${LLVM_BASE}/${SRCDIR}
CFLAGS+= -I${SRCTOP}/lib/clang/include
CFLAGS+= -I${LLVM_SRCS}/include
CFLAGS+= -D__STDC_CONSTANT_MACROS
CFLAGS+= -D__STDC_FORMAT_MACROS
CFLAGS+= -D__STDC_LIMIT_MACROS
CFLAGS+= -DHAVE_VCS_VERSION_INC
.if ${MK_LLVM_ASSERTIONS} == "no"
CFLAGS+= -DNDEBUG
.endif
TARGET_ARCH?= ${MACHINE_ARCH}
BUILD_ARCH?= ${MACHINE_ARCH}
# Armv6 and armv7 uses hard float abi, unless the CPUTYPE has soft in it.
# arm (for armv4 and armv5 CPUs) always uses the soft float ABI.
# For all other targets, we stick with 'unknown'.
.if ${TARGET_ARCH:Marmv[67]*} && (!defined(CPUTYPE) || ${CPUTYPE:M*soft*} == "")
TARGET_ABI= -gnueabihf
.elif ${TARGET_ARCH:Marm*}
TARGET_ABI= -gnueabi
.else
TARGET_ABI=
.endif
VENDOR= unknown
OS_VERSION= freebsd13.0
LLVM_TARGET_TRIPLE?= ${TARGET_ARCH:C/amd64/x86_64/:C/[hs]f$//:S/mipsn32/mips64/}-${VENDOR}-${OS_VERSION}${TARGET_ABI}
LLVM_BUILD_TRIPLE?= ${BUILD_ARCH:C/amd64/x86_64/:C/[hs]f$//:S/mipsn32/mips64/}-${VENDOR}-${OS_VERSION}
CFLAGS+= -DLLVM_DEFAULT_TARGET_TRIPLE=\"${LLVM_TARGET_TRIPLE}\"
CFLAGS+= -DLLVM_HOST_TRIPLE=\"${LLVM_BUILD_TRIPLE}\"
CFLAGS+= -DDEFAULT_SYSROOT=\"${TOOLS_PREFIX}\"
.if ${MK_LLVM_TARGET_AARCH64} != "no"
CFLAGS+= -DLLVM_TARGET_ENABLE_AARCH64
. if ${MACHINE_CPUARCH} == "aarch64"
LLVM_NATIVE_ARCH= AArch64
. endif
.endif
.if ${MK_LLVM_TARGET_ARM} != "no"
CFLAGS+= -DLLVM_TARGET_ENABLE_ARM
. if ${MACHINE_CPUARCH} == "arm"
LLVM_NATIVE_ARCH= ARM
. endif
.endif
.if ${MK_LLVM_TARGET_BPF} != "no"
CFLAGS+= -DLLVM_TARGET_ENABLE_BPF
.endif
.if ${MK_LLVM_TARGET_MIPS} != "no"
CFLAGS+= -DLLVM_TARGET_ENABLE_MIPS
. if ${MACHINE_CPUARCH} == "mips"
LLVM_NATIVE_ARCH= Mips
. endif
.endif
.if ${MK_LLVM_TARGET_POWERPC} != "no"
CFLAGS+= -DLLVM_TARGET_ENABLE_POWERPC
. if ${MACHINE_CPUARCH} == "powerpc"
LLVM_NATIVE_ARCH= PowerPC
. endif
.endif
.if ${MK_LLVM_TARGET_RISCV} != "no"
CFLAGS+= -DLLVM_TARGET_ENABLE_RISCV
. if ${MACHINE_CPUARCH} == "riscv"
LLVM_NATIVE_ARCH= RISCV
. endif
.endif
.if ${MK_LLVM_TARGET_X86} != "no"
CFLAGS+= -DLLVM_TARGET_ENABLE_X86
. if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
LLVM_NATIVE_ARCH= X86
. endif
.endif
.ifdef LLVM_NATIVE_ARCH
CFLAGS+= -DLLVM_NATIVE_ASMPARSER=LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser
CFLAGS+= -DLLVM_NATIVE_ASMPRINTER=LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter
CFLAGS+= -DLLVM_NATIVE_DISASSEMBLER=LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler
CFLAGS+= -DLLVM_NATIVE_TARGET=LLVMInitialize${LLVM_NATIVE_ARCH}Target
CFLAGS+= -DLLVM_NATIVE_TARGETINFO=LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo
CFLAGS+= -DLLVM_NATIVE_TARGETMC=LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC
.endif
CFLAGS+= -ffunction-sections
CFLAGS+= -fdata-sections
LDFLAGS+= -Wl,--gc-sections
CXXSTD?= c++14
CXXFLAGS+= -fno-exceptions
CXXFLAGS+= -fno-rtti
CXXFLAGS.clang+= -stdlib=libc++
.if ${MACHINE_ARCH:Mmips64}
STATIC_CFLAGS+= -mxgot
STATIC_CXXFLAGS+= -mxgot
.endif