xref: /freebsd/share/mk/bsd.compat.mk (revision 70bc3f4331a1b6e7045ae5326cbe03428503b612)
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 ${COMPAT_COMPILER_TYPE} == gcc
32.else
33LIB32CPUFLAGS+=	-target x86_64-unknown-freebsd${OS_REVISION}
34.endif
35LIB32CPUFLAGS+=	-m32
36LIB32_MACHINE=	i386
37LIB32_MACHINE_ARCH=	i386
38LIB32WMAKEENV=	MACHINE_CPU="i686 mmx sse sse2"
39LIB32WMAKEFLAGS=	\
40		LD="${XLD} -m elf_i386_fbsd"
41
42.elif ${COMPAT_ARCH} == "powerpc64"
43HAS_COMPAT=32
44.if empty(COMPAT_CPUTYPE)
45LIB32CPUFLAGS=	-mcpu=powerpc
46.else
47LIB32CPUFLAGS=	-mcpu=${COMPAT_CPUTYPE}
48.endif
49
50.if ${COMPAT_COMPILER_TYPE} == "gcc"
51LIB32CPUFLAGS+=	-m32
52.else
53LIB32CPUFLAGS+=	-target powerpc-unknown-freebsd${OS_REVISION}
54.endif
55
56LIB32_MACHINE=	powerpc
57LIB32_MACHINE_ARCH=	powerpc
58LIB32WMAKEFLAGS=	\
59		LD="${XLD} -m elf32ppc_fbsd"
60.endif
61
62LIB32WMAKEFLAGS+= NM="${XNM}"
63LIB32WMAKEFLAGS+= OBJCOPY="${XOBJCOPY}"
64
65LIB32CFLAGS=	-DCOMPAT_32BIT
66LIB32DTRACE=	${DTRACE} -32
67LIB32WMAKEFLAGS+=	-DCOMPAT_32BIT
68LIB32_MACHINE_ABI=	${MACHINE_ABI:N*64} long32 ptr32
69.if ${COMPAT_ARCH} == "amd64"
70LIB32_MACHINE_ABI+=	time32
71.else
72LIB32_MACHINE_ABI+=	time64
73.endif
74
75# -------------------------------------------------------------------
76# In the program linking case, select LIBCOMPAT
77.if defined(NEED_COMPAT)
78.ifndef HAS_COMPAT
79.warning NEED_COMPAT defined, but no LIBCOMPAT is available (COMPAT_ARCH == ${COMPAT_ARCH})
80.elif !${HAS_COMPAT:M${NEED_COMPAT}} && ${NEED_COMPAT} != "any"
81.error NEED_COMPAT (${NEED_COMPAT}) defined, but not in HAS_COMPAT (${HAS_COMPAT})
82.elif ${NEED_COMPAT} == "any"
83.endif
84.ifdef WANT_COMPAT
85.error Both WANT_COMPAT and NEED_COMPAT defined
86.endif
87WANT_COMPAT:=	${NEED_COMPAT}
88.endif
89
90.if defined(HAS_COMPAT) && defined(WANT_COMPAT)
91.if ${WANT_COMPAT} == "any"
92_LIBCOMPAT:=	${HAS_COMPAT:[1]}
93.else
94_LIBCOMPAT:=	${WANT_COMPAT}
95.endif
96.endif
97
98# -------------------------------------------------------------------
99# Generic code for each type.
100# Set defaults based on type.
101libcompat=	${_LIBCOMPAT:tl}
102_LIBCOMPAT_MAKEVARS=	_OBJTOP TMP CPUFLAGS CFLAGS CXXFLAGS LDFLAGS \
103			_MACHINE _MACHINE_ARCH _MACHINE_ABI \
104			WMAKEENV WMAKEFLAGS WMAKE WORLDTMP
105.for _var in ${_LIBCOMPAT_MAKEVARS}
106.if !empty(LIB${_LIBCOMPAT}${_var})
107LIBCOMPAT${_var}?=	${LIB${_LIBCOMPAT}${_var}}
108.endif
109.endfor
110
111WORLDTMP?=		${SYSROOT}
112
113# Shared flags
114LIBCOMPAT_OBJTOP?=	${OBJTOP}/obj-lib${libcompat}
115
116LIBCOMPATCFLAGS+=	${LIBCOMPATCPUFLAGS} \
117			--sysroot=${WORLDTMP} \
118			${BFLAGS}
119
120LIBCOMPATLDFLAGS+=	-L${WORLDTMP}/usr/lib${libcompat}
121
122LIBCOMPATWMAKEENV+=	MACHINE=${LIBCOMPAT_MACHINE}
123LIBCOMPATWMAKEENV+=	MACHINE_ARCH=${LIBCOMPAT_MACHINE_ARCH}
124
125# -B is needed to find /usr/lib32/crti.o for gcc.
126LIBCOMPATCFLAGS+=	-B${WORLDTMP}/usr/lib${libcompat}
127
128.if defined(WANT_COMPAT)
129LIBDIR_BASE:=	/usr/lib${libcompat}
130LIBDATADIR:=	/usr/lib${libcompat}
131_LIB_OBJTOP=	${LIBCOMPAT_OBJTOP}
132CFLAGS+=	${LIBCOMPATCFLAGS}
133LDFLAGS+=	${CFLAGS} ${LIBCOMPATLDFLAGS}
134MACHINE=	${LIBCOMPAT_MACHINE}
135MACHINE_ARCH=	${LIBCOMPAT_MACHINE_ARCH}
136.endif
137
138.endif
139