xref: /freebsd/lib/libthr/Makefile (revision 8aac90f18aef7c9eea906c3ff9a001ca7b94f375)
1
2PACKAGE=	clibs
3SHLIBDIR?= /lib
4
5LIBADD=	c sys
6.if defined(COMPAT_libcompat)
7# XXX: work around gcc -m32 + bfd ld path issue for DT_NEEDED symbols.
8# https://sourceware.org/bugzilla/show_bug.cgi?id=31395
9LDFLAGS+=	-Wl,--rpath=/usr/lib${COMPAT_libcompat}
10.endif
11
12.include <src.opts.mk>
13MK_SSP=	no
14# SSP forced off already implies FORTIFY_SOURCE=0, but we must make sure that
15# one cannot turn it back on.
16FORTIFY_SOURCE=	0
17
18LIB=thr
19SHLIB_MAJOR= 3
20
21NO_WTHREAD_SAFETY=1
22NO_WCAST_ALIGN.gcc=1    # for gcc 4.2
23CFLAGS+=-DPTHREAD_KERNEL
24CFLAGS+=-I${SRCTOP}/lib/libc/include
25CFLAGS+=-I${SRCTOP}/lib/libc/${MACHINE_CPUARCH}
26CFLAGS+=-I${.CURDIR}/thread
27CFLAGS+=-I${.CURDIR}/arch/${MACHINE_CPUARCH}/include
28CFLAGS+=-I${.CURDIR}/sys
29CFLAGS+=-I${SRCTOP}/libexec/rtld-elf
30CFLAGS+=-I${SRCTOP}/libexec/rtld-elf/${MACHINE_CPUARCH}
31CFLAGS+=-I${SRCTOP}/lib/libthread_db
32
33CFLAGS.thr_stack.c+=	-Wno-cast-align
34CFLAGS.rtld_malloc.c+=	-Wno-cast-align
35CFLAGS.thr_symbols.c+=	-Wno-missing-variable-declarations
36.if ${MK_ASAN} != "no"
37# False-positive ASAN error claiming the local "struct sigaction act;" is
38# overflowed by handle_signal() reading from the ucontext_t argument. This
39# could be caused by ASAN not treating this function as a signal handler.
40CFLAGS.thr_sig.c+=	-fno-sanitize=address
41.endif
42
43.if ${MACHINE_CPUARCH} == "arm"
44NO_THREAD_UNWIND_STACK= yes
45.endif
46
47.ifndef NO_THREAD_UNWIND_STACK
48CFLAGS+=-fexceptions
49CFLAGS+=-D_PTHREAD_FORCED_UNWIND
50.endif
51
52LDFLAGS+=-Wl,-znodelete
53LDFLAGS+=-Wl,--auxiliary,libsys.so.7
54
55VERSION_DEF=${SRCTOP}/lib/libc/Versions.def
56SYMBOL_MAPS=${.CURDIR}/pthread.map
57
58MAN=	libthr.3
59
60.if ${MK_PTHREADS_ASSERTIONS} != "no"
61# enable extra internal consistency checks
62CFLAGS+=-D_PTHREADS_INVARIANTS
63.endif
64
65PRECIOUSLIB=
66
67.PATH: ${.CURDIR}/arch/${MACHINE_CPUARCH}/${MACHINE_CPUARCH}
68.PATH: ${SRCTOP}/libexec/rtld-elf
69
70.if exists(${.CURDIR}/arch/${MACHINE_CPUARCH}/Makefile.inc)
71.include "${.CURDIR}/arch/${MACHINE_CPUARCH}/Makefile.inc"
72.endif
73.include "${.CURDIR}/sys/Makefile.inc"
74.include "${.CURDIR}/thread/Makefile.inc"
75SRCS+= rtld_malloc.c
76
77LIBSYS_SRCTOP=	${.CURDIR:H}/libsys
78.if exists(${LIBSYS_SRCTOP}/${MACHINE_CPUARCH}/_umtx_op_err.S)
79.PATH: ${LIBSYS_SRCTOP}/${MACHINE_CPUARCH}
80.else
81.PATH: ${LIBSYS_SRCTOP}
82.endif
83OBJS+=	_umtx_op_err.o
84
85.if ${MK_INSTALLLIB} != "no"
86SYMLINKS+=lib${LIB}.a ${LIBDIR}/libpthread.a
87.endif
88.if !defined(NO_PIC)
89SYMLINKS+=lib${LIB}.so ${LIBDIR}/libpthread.so
90.endif
91.if ${MK_PROFILE} != "no"
92SYMLINKS+=lib${LIB}_p.a ${LIBDIR}/libpthread_p.a
93.endif
94
95HAS_TESTS=
96SUBDIR.${MK_TESTS}+= tests
97
98.include <bsd.lib.mk>
99