xref: /freebsd/share/mk/bsd.compat.mk (revision 36712a94975f5bd0d26c85377283b49a2369c82f)
1# $FreeBSD$
2
3.if !targets(__<${_this:T}>__)
4__<${_this:T}>__:
5
6.if defined(_LIBCOMPAT)
7COMPAT_ARCH=	${TARGET_ARCH}
8COMPAT_CPUTYPE=	${TARGET_CPUTYPE}
9.else
10COMPAT_ARCH=	${MACHINE_ARCH}
11COMPAT_CPUTYPE=	${CPUTYPE}
12.endif
13
14# -------------------------------------------------------------------
15# 32 bit world
16.if ${COMPAT_ARCH} == "amd64"
17HAS_COMPAT=32
18.if empty(COMPAT_CPUTYPE)
19LIB32CPUFLAGS=	-march=i686 -mmmx -msse -msse2
20.else
21LIB32CPUFLAGS=	-march=${COMPAT_CPUTYPE}
22.endif
23.if (defined(WANT_COMPILER_TYPE) && ${WANT_COMPILER_TYPE} == gcc) || \
24    (defined(X_COMPILER_TYPE) && ${X_COMPILER_TYPE} == gcc)
25.else
26LIB32CPUFLAGS+=	-target x86_64-unknown-freebsd13.0
27.endif
28LIB32CPUFLAGS+=	-m32
29LIB32_MACHINE=	i386
30LIB32_MACHINE_ARCH=	i386
31LIB32WMAKEENV=	MACHINE_CPU="i686 mmx sse sse2"
32LIB32WMAKEFLAGS=	\
33		AS="${XAS} --32" \
34		LD="${XLD} -m elf_i386_fbsd -L${LIBCOMPATTMP}/usr/lib32"
35
36.elif ${COMPAT_ARCH} == "powerpc64"
37HAS_COMPAT=32
38.if empty(COMPAT_CPUTYPE)
39LIB32CPUFLAGS=	-mcpu=powerpc
40.else
41LIB32CPUFLAGS=	-mcpu=${COMPAT_CPUTYPE}
42.endif
43LIB32CPUFLAGS+=	-m32
44LIB32_MACHINE=	powerpc
45LIB32_MACHINE_ARCH=	powerpc
46LIB32WMAKEFLAGS=	\
47		LD="${XLD} -m elf32ppc_fbsd"
48
49.elif ${COMPAT_ARCH:Mmips64*} != ""
50HAS_COMPAT=32
51.if (defined(WANT_COMPILER_TYPE) && ${WANT_COMPILER_TYPE} == gcc) || \
52    (defined(X_COMPILER_TYPE) && ${X_COMPILER_TYPE} == gcc)
53.if empty(COMPAT_CPUTYPE)
54LIB32CPUFLAGS=	-march=mips3
55.else
56LIB32CPUFLAGS=	-march=${COMPAT_CPUTYPE}
57.endif
58.else
59.if ${COMPAT_ARCH:Mmips64el*} != ""
60LIB32CPUFLAGS=  -target mipsel-unknown-freebsd13.0
61.else
62LIB32CPUFLAGS=  -target mips-unknown-freebsd13.0
63.endif
64.endif
65LIB32CPUFLAGS+= -mabi=32
66LIB32_MACHINE=	mips
67LIB32_MACHINE_ARCH=	mips
68.if ${COMPAT_ARCH:Mmips64el*} != ""
69LIB32WMAKEFLAGS= LD="${XLD} -m elf32ltsmip_fbsd"
70.else
71LIB32WMAKEFLAGS= LD="${XLD} -m elf32btsmip_fbsd"
72.endif
73.endif
74
75LIB32WMAKEFLAGS+= NM="${XNM}"
76LIB32WMAKEFLAGS+= OBJCOPY="${XOBJCOPY}"
77
78LIB32CFLAGS=	-DCOMPAT_32BIT
79LIB32DTRACE=	${DTRACE} -32
80LIB32WMAKEFLAGS+=	-DCOMPAT_32BIT
81
82# -------------------------------------------------------------------
83# soft-fp world
84.if ${COMPAT_ARCH:Marmv[67]*} != ""
85HAS_COMPAT=SOFT
86LIBSOFTCFLAGS=        -DCOMPAT_SOFTFP
87LIBSOFTCPUFLAGS= -mfloat-abi=softfp
88LIBSOFT_MACHINE=	arm
89LIBSOFT_MACHINE_ARCH=	${COMPAT_ARCH}
90LIBSOFTWMAKEENV= CPUTYPE=soft
91LIBSOFTWMAKEFLAGS=        -DCOMPAT_SOFTFP
92.endif
93
94# -------------------------------------------------------------------
95# In the program linking case, select LIBCOMPAT
96.if defined(NEED_COMPAT)
97.ifndef HAS_COMPAT
98.error NEED_COMPAT defined, but no LIBCOMPAT is available
99.elif !${HAS_COMPAT:M${NEED_COMPAT}} && ${NEED_COMPAT} != "any"
100.error NEED_COMPAT (${NEED_COMPAT}) defined, but not in HAS_COMPAT ($HAS_COMPAT)
101.elif ${NEED_COMPAT} == "any"
102.endif
103.ifdef WANT_COMPAT
104.error Both WANT_COMPAT and NEED_COMPAT defined
105.endif
106WANT_COMPAT:=	${NEED_COMPAT}
107.endif
108
109.if defined(HAS_COMPAT) && defined(WANT_COMPAT)
110.if ${WANT_COMPAT} == "any"
111_LIBCOMPAT:=	${HAS_COMPAT:[1]}
112.else
113_LIBCOMPAT:=	${WANT_COMPAT}
114.endif
115.endif
116
117
118# -------------------------------------------------------------------
119# Generic code for each type.
120# Set defaults based on type.
121libcompat=	${_LIBCOMPAT:tl}
122_LIBCOMPAT_MAKEVARS=	_OBJTOP TMP CPUFLAGS CFLAGS CXXFLAGS \
123			_MACHINE _MACHINE_ARCH WMAKEENV WMAKEFLAGS WMAKE
124.for _var in ${_LIBCOMPAT_MAKEVARS}
125.if !empty(LIB${_LIBCOMPAT}${_var})
126LIBCOMPAT${_var}?=	${LIB${_LIBCOMPAT}${_var}}
127.endif
128.endfor
129
130# Shared flags
131LIBCOMPAT_OBJTOP?=	${OBJTOP}/obj-lib${libcompat}
132LIBCOMPATTMP?=		${LIBCOMPAT_OBJTOP}/tmp
133
134LIBCOMPATCFLAGS+=	${LIBCOMPATCPUFLAGS} \
135			-L${LIBCOMPATTMP}/usr/lib${libcompat} \
136			--sysroot=${LIBCOMPATTMP} \
137			${BFLAGS}
138
139LIBCOMPATWMAKEENV+=	MACHINE=${LIBCOMPAT_MACHINE}
140LIBCOMPATWMAKEENV+=	MACHINE_ARCH=${LIBCOMPAT_MACHINE_ARCH}
141
142# -B is needed to find /usr/lib32/crti.o for GCC and /usr/libsoft/crti.o for
143# Clang/GCC.
144LIBCOMPATCFLAGS+=	-B${LIBCOMPATTMP}/usr/lib${libcompat}
145
146.if defined(WANT_COMPAT)
147LIBDIR_BASE:=	/usr/lib${libcompat}
148_LIB_OBJTOP=	${LIBCOMPAT_OBJTOP}
149CFLAGS+=	${LIBCOMPATCFLAGS}
150MACHINE=	${LIBCOMPAT_MACHINE}
151MACHINE_ARCH=	${LIBCOMPAT_MACHINE_ARCH}
152.endif
153
154.endif
155