xref: /freebsd/share/mk/bsd.compat.mk (revision cab6a39d7b343596a5823e65c0f7b426551ec22d)
1# $FreeBSD$
2
3.if !targets(__<${_this:T}>__)
4__<${_this:T}>__:
5
6.if defined(_LIBCOMPAT)
7COMPAT_ARCH?=	${TARGET_ARCH}
8COMPAT_CPUTYPE?= ${CPUTYPE_${_LIBCOMPAT}}
9.if (defined(WANT_COMPILER_TYPE) && ${WANT_COMPILER_TYPE} == gcc) || \
10    (defined(X_COMPILER_TYPE) && ${X_COMPILER_TYPE} == gcc)
11COMPAT_COMPILER_TYPE=	gcc
12.else
13COMPAT_COMPILER_TYPE=	clang
14.endif
15.else
16COMPAT_ARCH=	${MACHINE_ARCH}
17COMPAT_CPUTYPE=	${CPUTYPE}
18.include <bsd.compiler.mk>
19COMPAT_COMPILER_TYPE=${COMPILER_TYPE}
20.endif
21
22# -------------------------------------------------------------------
23# 32 bit world
24.if ${COMPAT_ARCH} == "amd64"
25HAS_COMPAT=32
26.if empty(COMPAT_CPUTYPE)
27LIB32CPUFLAGS=	-march=i686 -mmmx -msse -msse2
28.else
29LIB32CPUFLAGS=	-march=${COMPAT_CPUTYPE}
30.endif
31.if ${COMPAT_COMPILER_TYPE} == gcc
32.else
33LIB32CPUFLAGS+=	-target x86_64-unknown-freebsd14.0
34.endif
35LIB32CPUFLAGS+=	-m32
36LIB32_MACHINE=	i386
37LIB32_MACHINE_ARCH=	i386
38LIB32WMAKEENV=	MACHINE_CPU="i686 mmx sse sse2"
39LIB32WMAKEFLAGS=	\
40		AS="${XAS} --32" \
41		LD="${XLD} -m elf_i386_fbsd"
42
43.elif ${COMPAT_ARCH} == "powerpc64"
44HAS_COMPAT=32
45.if empty(COMPAT_CPUTYPE)
46LIB32CPUFLAGS=	-mcpu=powerpc
47.else
48LIB32CPUFLAGS=	-mcpu=${COMPAT_CPUTYPE}
49.endif
50
51.if ${COMPAT_COMPILER_TYPE} == "gcc"
52LIB32CPUFLAGS+=	-m32
53.else
54LIB32CPUFLAGS+=	-target powerpc-unknown-freebsd14.0
55.endif
56
57LIB32_MACHINE=	powerpc
58LIB32_MACHINE_ARCH=	powerpc
59LIB32WMAKEFLAGS=	\
60		LD="${XLD} -m elf32ppc_fbsd"
61
62.elif ${COMPAT_ARCH:Mmips64*} != ""
63HAS_COMPAT=32
64.if ${COMPAT_COMPILER_TYPE} == gcc
65.if empty(COMPAT_CPUTYPE)
66LIB32CPUFLAGS=	-march=mips3
67.else
68LIB32CPUFLAGS=	-march=${COMPAT_CPUTYPE}
69.endif
70.else
71.if ${COMPAT_ARCH:Mmips64el*} != ""
72LIB32CPUFLAGS=  -target mipsel-unknown-freebsd14.0
73.else
74LIB32CPUFLAGS=  -target mips-unknown-freebsd14.0
75.endif
76.endif
77LIB32CPUFLAGS+= -mabi=32
78LIB32_MACHINE=	mips
79LIB32_MACHINE_ARCH:=	${COMPAT_ARCH:S/64//}
80.if ${COMPAT_ARCH:Mmips64el*} != ""
81_EMULATION=	elf32ltsmip_fbsd
82.else
83_EMULATION=	elf32btsmip_fbsd
84.endif
85LIB32WMAKEFLAGS= LD="${XLD} -m ${_EMULATION}"
86LIB32LDFLAGS=	-Wl,-m${_EMULATION}
87.endif
88
89LIB32WMAKEFLAGS+= NM="${XNM}"
90LIB32WMAKEFLAGS+= OBJCOPY="${XOBJCOPY}"
91
92LIB32CFLAGS=	-DCOMPAT_32BIT
93LIB32DTRACE=	${DTRACE} -32
94LIB32WMAKEFLAGS+=	-DCOMPAT_32BIT
95
96# -------------------------------------------------------------------
97# soft-fp world
98.if ${COMPAT_ARCH:Marmv[67]*} != ""
99HAS_COMPAT=SOFT
100LIBSOFTCFLAGS=        -DCOMPAT_SOFTFP
101LIBSOFTCPUFLAGS= -mfloat-abi=softfp
102LIBSOFT_MACHINE=	arm
103LIBSOFT_MACHINE_ARCH=	${COMPAT_ARCH}
104LIBSOFTWMAKEENV= CPUTYPE=soft
105LIBSOFTWMAKEFLAGS=        -DCOMPAT_SOFTFP
106.endif
107
108# -------------------------------------------------------------------
109# In the program linking case, select LIBCOMPAT
110.if defined(NEED_COMPAT)
111.ifndef HAS_COMPAT
112.warning NEED_COMPAT defined, but no LIBCOMPAT is available (COMPAT_ARCH == ${COMPAT_ARCH}
113.elif !${HAS_COMPAT:M${NEED_COMPAT}} && ${NEED_COMPAT} != "any"
114.error NEED_COMPAT (${NEED_COMPAT}) defined, but not in HAS_COMPAT ($HAS_COMPAT)
115.elif ${NEED_COMPAT} == "any"
116.endif
117.ifdef WANT_COMPAT
118.error Both WANT_COMPAT and NEED_COMPAT defined
119.endif
120WANT_COMPAT:=	${NEED_COMPAT}
121.endif
122
123.if defined(HAS_COMPAT) && defined(WANT_COMPAT)
124.if ${WANT_COMPAT} == "any"
125_LIBCOMPAT:=	${HAS_COMPAT:[1]}
126.else
127_LIBCOMPAT:=	${WANT_COMPAT}
128.endif
129.endif
130
131
132# -------------------------------------------------------------------
133# Generic code for each type.
134# Set defaults based on type.
135libcompat=	${_LIBCOMPAT:tl}
136_LIBCOMPAT_MAKEVARS=	_OBJTOP TMP CPUFLAGS CFLAGS CXXFLAGS LDFLAGS \
137			_MACHINE _MACHINE_ARCH WMAKEENV WMAKEFLAGS WMAKE
138.for _var in ${_LIBCOMPAT_MAKEVARS}
139.if !empty(LIB${_LIBCOMPAT}${_var})
140LIBCOMPAT${_var}?=	${LIB${_LIBCOMPAT}${_var}}
141.endif
142.endfor
143
144# Shared flags
145LIBCOMPAT_OBJTOP?=	${OBJTOP}/obj-lib${libcompat}
146LIBCOMPATTMP?=		${LIBCOMPAT_OBJTOP}/tmp
147
148LIBCOMPATCFLAGS+=	${LIBCOMPATCPUFLAGS} \
149			--sysroot=${LIBCOMPATTMP} \
150			${BFLAGS}
151
152LIBCOMPATLDFLAGS+=	-L${LIBCOMPATTMP}/usr/lib${libcompat}
153
154LIBCOMPATWMAKEENV+=	MACHINE=${LIBCOMPAT_MACHINE}
155LIBCOMPATWMAKEENV+=	MACHINE_ARCH=${LIBCOMPAT_MACHINE_ARCH}
156
157# -B is needed to find /usr/lib32/crti.o for GCC and /usr/libsoft/crti.o for
158# Clang/GCC.
159LIBCOMPATCFLAGS+=	-B${LIBCOMPATTMP}/usr/lib${libcompat}
160
161.if defined(WANT_COMPAT)
162LIBDIR_BASE:=	/usr/lib${libcompat}
163_LIB_OBJTOP=	${LIBCOMPAT_OBJTOP}
164LIBDESTDIR:=	${LIBCOMPATTMP}
165SYSROOT:=	${LIBCOMPATTMP}
166CFLAGS+=	${LIBCOMPATCFLAGS}
167LDFLAGS+=	${CFLAGS} ${LIBCOMPATLDFLAGS}
168MACHINE=	${LIBCOMPAT_MACHINE}
169MACHINE_ARCH=	${LIBCOMPAT_MACHINE_ARCH}
170.endif
171
172.endif
173