xref: /freebsd/lib/clang/llvm.build.mk (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)
1# $FreeBSD$
2
3.include <src.opts.mk>
4
5.ifndef LLVM_BASE
6.error Please define LLVM_BASE before including this file
7.endif
8
9.ifndef LLVM_SRCS
10.error Please define LLVM_SRCS before including this file
11.endif
12
13.ifndef SRCDIR
14.error Please define SRCDIR before including this file
15.endif
16
17.ifndef OS_REVISION
18.error Please define OS_REVISION before including this file
19.endif
20
21.PATH:		${LLVM_BASE}/${SRCDIR}
22
23CFLAGS+=	-I${SRCTOP}/lib/clang/include
24CFLAGS+=	-I${LLVM_SRCS}/include
25CFLAGS+=	-D__STDC_CONSTANT_MACROS
26CFLAGS+=	-D__STDC_FORMAT_MACROS
27CFLAGS+=	-D__STDC_LIMIT_MACROS
28CFLAGS+=	-DHAVE_VCS_VERSION_INC
29.if ${MK_LLVM_ASSERTIONS} == "no"
30CFLAGS+=	-DNDEBUG
31.endif
32
33# Note that using TARGET_ARCH here is essential for a functional native-xtools
34# build!  For native-xtools, we're building binaries that will work on the
35# *host* machine (MACHINE_ARCH), but they should default to producing binaries
36# for the *target* machine (TARGET_ARCH).
37TARGET_ARCH?=	${MACHINE_ARCH}
38BUILD_ARCH?=	${MACHINE_ARCH}
39
40# Armv6 and armv7 uses hard float abi, unless the CPUTYPE has soft in it.
41# For all other targets, we stick with 'unknown'.
42.if ${TARGET_ARCH:Marm*}
43.if !defined(CPUTYPE) || ${CPUTYPE:M*soft*} == ""
44TARGET_TRIPLE_ABI=-gnueabihf
45.else
46TARGET_TRIPLE_ABI=-gnueabi
47.endif
48.else
49TARGET_TRIPLE_ABI=
50.endif
51VENDOR=		unknown
52
53LLVM_TARGET_TRIPLE?=	${TARGET_ARCH:C/amd64/x86_64/}-${VENDOR}-freebsd${OS_REVISION}${TARGET_TRIPLE_ABI}
54LLVM_BUILD_TRIPLE?=	${BUILD_ARCH:C/amd64/x86_64/}-${VENDOR}-freebsd${OS_REVISION}
55
56CFLAGS+=	-DLLVM_DEFAULT_TARGET_TRIPLE=\"${LLVM_TARGET_TRIPLE}\"
57CFLAGS+=	-DLLVM_HOST_TRIPLE=\"${LLVM_BUILD_TRIPLE}\"
58CFLAGS+=	-DDEFAULT_SYSROOT=\"${TOOLS_PREFIX}\"
59
60.if ${MK_LLVM_TARGET_AARCH64} != "no"
61CFLAGS+=	-DLLVM_TARGET_ENABLE_AARCH64
62. if ${MACHINE_CPUARCH} == "aarch64"
63LLVM_NATIVE_ARCH=	AArch64
64. endif
65.endif
66.if ${MK_LLVM_TARGET_ARM} != "no"
67CFLAGS+=	-DLLVM_TARGET_ENABLE_ARM
68. if ${MACHINE_CPUARCH} == "arm"
69LLVM_NATIVE_ARCH=	ARM
70. endif
71.endif
72.if ${MK_LLVM_TARGET_BPF} != "no"
73CFLAGS+=	-DLLVM_TARGET_ENABLE_BPF
74.endif
75.if ${MK_LLVM_TARGET_MIPS} != "no"
76CFLAGS+=	-DLLVM_TARGET_ENABLE_MIPS
77.endif
78.if ${MK_LLVM_TARGET_POWERPC} != "no"
79CFLAGS+=	-DLLVM_TARGET_ENABLE_POWERPC
80. if ${MACHINE_CPUARCH} == "powerpc"
81LLVM_NATIVE_ARCH=	PowerPC
82. endif
83.endif
84.if ${MK_LLVM_TARGET_RISCV} != "no"
85CFLAGS+=	-DLLVM_TARGET_ENABLE_RISCV
86. if ${MACHINE_CPUARCH} == "riscv"
87LLVM_NATIVE_ARCH=	RISCV
88. endif
89.endif
90.if ${MK_LLVM_TARGET_X86} != "no"
91CFLAGS+=	-DLLVM_TARGET_ENABLE_X86
92. if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
93LLVM_NATIVE_ARCH=	X86
94. endif
95.endif
96
97.ifdef LLVM_NATIVE_ARCH
98CFLAGS+=	-DLLVM_NATIVE_ASMPARSER=LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser
99CFLAGS+=	-DLLVM_NATIVE_ASMPRINTER=LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter
100CFLAGS+=	-DLLVM_NATIVE_DISASSEMBLER=LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler
101CFLAGS+=	-DLLVM_NATIVE_TARGET=LLVMInitialize${LLVM_NATIVE_ARCH}Target
102CFLAGS+=	-DLLVM_NATIVE_TARGETINFO=LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo
103CFLAGS+=	-DLLVM_NATIVE_TARGETMC=LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC
104.endif
105
106CFLAGS+=	-ffunction-sections
107CFLAGS+=	-fdata-sections
108.include "bsd.linker.mk"
109.if ${LINKER_TYPE} == "mac"
110LDFLAGS+=	-Wl,-dead_strip
111.else
112LDFLAGS+=	-Wl,--gc-sections
113.endif
114
115CXXSTD?=	c++17
116CXXFLAGS+=	-fno-exceptions
117CXXFLAGS+=	-fno-rtti
118.if ${.MAKE.OS} == "FreeBSD" || !defined(BOOTSTRAPPING)
119CXXFLAGS.clang+= -stdlib=libc++
120.else
121# Building on macOS/Linux needs the real sysctl() not the bootstrap tools stub.
122CFLAGS+=	-DBOOTSTRAPPING_WANT_NATIVE_SYSCTL
123.endif
124.if defined(BOOTSTRAPPING) && ${.MAKE.OS} == "Linux"
125LIBADD+=	dl
126.endif
127