xref: /freebsd/lib/clang/llvm.build.mk (revision 18054d0220cfc8df9c9568c437bd6fbb59d53c3c)
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
33TARGET_ARCH?=	${MACHINE_ARCH}
34BUILD_ARCH?=	${MACHINE_ARCH}
35
36# Armv6 and armv7 uses hard float abi, unless the CPUTYPE has soft in it.
37# arm (for armv4 and armv5 CPUs) always uses the soft float ABI.
38# For all other targets, we stick with 'unknown'.
39.if ${TARGET_ARCH:Marmv[67]*} && (!defined(CPUTYPE) || ${CPUTYPE:M*soft*} == "")
40TARGET_ABI=	-gnueabihf
41.elif ${TARGET_ARCH:Marm*}
42TARGET_ABI=	-gnueabi
43.else
44TARGET_ABI=
45.endif
46VENDOR=		unknown
47
48LLVM_TARGET_TRIPLE?=	${TARGET_ARCH:C/amd64/x86_64/:C/[hs]f$//:S/mipsn32/mips64/}-${VENDOR}-freebsd${OS_REVISION}${TARGET_ABI}
49LLVM_BUILD_TRIPLE?=	${BUILD_ARCH:C/amd64/x86_64/:C/[hs]f$//:S/mipsn32/mips64/}-${VENDOR}-freebsd${OS_REVISION}
50
51CFLAGS+=	-DLLVM_DEFAULT_TARGET_TRIPLE=\"${LLVM_TARGET_TRIPLE}\"
52CFLAGS+=	-DLLVM_HOST_TRIPLE=\"${LLVM_BUILD_TRIPLE}\"
53CFLAGS+=	-DDEFAULT_SYSROOT=\"${TOOLS_PREFIX}\"
54
55.if ${MK_LLVM_TARGET_AARCH64} != "no"
56CFLAGS+=	-DLLVM_TARGET_ENABLE_AARCH64
57. if ${MACHINE_CPUARCH} == "aarch64"
58LLVM_NATIVE_ARCH=	AArch64
59. endif
60.endif
61.if ${MK_LLVM_TARGET_ARM} != "no"
62CFLAGS+=	-DLLVM_TARGET_ENABLE_ARM
63. if ${MACHINE_CPUARCH} == "arm"
64LLVM_NATIVE_ARCH=	ARM
65. endif
66.endif
67.if ${MK_LLVM_TARGET_BPF} != "no"
68CFLAGS+=	-DLLVM_TARGET_ENABLE_BPF
69.endif
70.if ${MK_LLVM_TARGET_MIPS} != "no"
71CFLAGS+=	-DLLVM_TARGET_ENABLE_MIPS
72. if ${MACHINE_CPUARCH} == "mips"
73LLVM_NATIVE_ARCH=	Mips
74. endif
75.endif
76.if ${MK_LLVM_TARGET_POWERPC} != "no"
77CFLAGS+=	-DLLVM_TARGET_ENABLE_POWERPC
78. if ${MACHINE_CPUARCH} == "powerpc"
79LLVM_NATIVE_ARCH=	PowerPC
80. endif
81.endif
82.if ${MK_LLVM_TARGET_RISCV} != "no"
83CFLAGS+=	-DLLVM_TARGET_ENABLE_RISCV
84. if ${MACHINE_CPUARCH} == "riscv"
85LLVM_NATIVE_ARCH=	RISCV
86. endif
87.endif
88.if ${MK_LLVM_TARGET_X86} != "no"
89CFLAGS+=	-DLLVM_TARGET_ENABLE_X86
90. if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
91LLVM_NATIVE_ARCH=	X86
92. endif
93.endif
94
95.ifdef LLVM_NATIVE_ARCH
96CFLAGS+=	-DLLVM_NATIVE_ASMPARSER=LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser
97CFLAGS+=	-DLLVM_NATIVE_ASMPRINTER=LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter
98CFLAGS+=	-DLLVM_NATIVE_DISASSEMBLER=LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler
99CFLAGS+=	-DLLVM_NATIVE_TARGET=LLVMInitialize${LLVM_NATIVE_ARCH}Target
100CFLAGS+=	-DLLVM_NATIVE_TARGETINFO=LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo
101CFLAGS+=	-DLLVM_NATIVE_TARGETMC=LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC
102.endif
103
104CFLAGS+=	-ffunction-sections
105CFLAGS+=	-fdata-sections
106.include "bsd.linker.mk"
107.if ${LINKER_TYPE} == "mac"
108LDFLAGS+=	-Wl,-dead_strip
109.else
110LDFLAGS+=	-Wl,--gc-sections
111.endif
112
113CXXSTD?=	c++14
114CXXFLAGS+=	-fno-exceptions
115CXXFLAGS+=	-fno-rtti
116.if ${.MAKE.OS} == "FreeBSD" || !defined(BOOTSTRAPPING)
117CXXFLAGS.clang+= -stdlib=libc++
118.else
119# Building on macOS/Linux needs the real sysctl() not the bootstrap tools stub.
120CFLAGS+=	-DBOOTSTRAPPING_WANT_NATIVE_SYSCTL
121.endif
122.if defined(BOOTSTRAPPING) && ${.MAKE.OS} == "Linux"
123LIBADD+=	dl
124.endif
125
126.if ${MACHINE_ARCH:Mmips64}
127STATIC_CFLAGS+= -mxgot
128STATIC_CXXFLAGS+= -mxgot
129.endif
130