1PACKAGE= clibs 2SHLIBDIR?= /lib 3 4LIBADD= c sys 5.if defined(COMPAT_libcompat) 6# XXX: work around gcc -m32 + bfd ld path issue for DT_NEEDED symbols. 7# https://sourceware.org/bugzilla/show_bug.cgi?id=31395 8LDFLAGS+= -Wl,--rpath=/usr/lib${COMPAT_libcompat} 9.endif 10 11.include <src.opts.mk> 12MK_SSP= no 13# SSP forced off already implies FORTIFY_SOURCE=0, but we must make sure that 14# one cannot turn it back on. 15FORTIFY_SOURCE= 0 16 17LIB=thr 18SHLIB_MAJOR= 3 19 20NO_WTHREAD_SAFETY=1 21NO_WCAST_ALIGN.gcc=1 # for gcc 4.2 22CFLAGS+=-DPTHREAD_KERNEL 23CFLAGS+=-I${SRCTOP}/lib/libc/include 24CFLAGS+=-I${SRCTOP}/lib/libc/${MACHINE_CPUARCH} 25CFLAGS+=-I${.CURDIR}/thread 26CFLAGS+=-I${.CURDIR}/arch/${MACHINE_CPUARCH}/include 27CFLAGS+=-I${.CURDIR}/sys 28CFLAGS+=-I${SRCTOP}/libexec/rtld-elf 29CFLAGS+=-I${SRCTOP}/libexec/rtld-elf/${MACHINE_CPUARCH} 30CFLAGS+=-I${SRCTOP}/lib/libthread_db 31 32CFLAGS.thr_stack.c+= -Wno-cast-align 33CFLAGS.rtld_malloc.c+= -Wno-cast-align 34# Disable compiler builtins so that the compiler does not optimize away rtld's 35# attempts to force early PLT resolution for certain functions that may be 36# replaced by builtins. 37CFLAGS.thr_rtld.c+= -fno-builtin 38CFLAGS.thr_symbols.c+= -Wno-missing-variable-declarations 39.if ${MK_ASAN} != "no" 40# False-positive ASAN error claiming the local "struct sigaction act;" is 41# overflowed by handle_signal() reading from the ucontext_t argument. This 42# could be caused by ASAN not treating this function as a signal handler. 43CFLAGS.thr_sig.c+= -fno-sanitize=address 44.endif 45 46.if ${MACHINE_CPUARCH} == "arm" 47NO_THREAD_UNWIND_STACK= yes 48.endif 49 50.ifndef NO_THREAD_UNWIND_STACK 51CFLAGS+=-fexceptions 52CFLAGS+=-D_PTHREAD_FORCED_UNWIND 53.endif 54 55LDFLAGS+=-Wl,-znodelete 56LDFLAGS+=-Wl,-zinitfirst 57LDFLAGS+=-Wl,--auxiliary,libsys.so.7 58 59VERSION_DEF=${SRCTOP}/lib/libc/Versions.def 60SYMBOL_MAPS=${.CURDIR}/pthread.map 61 62MAN= libthr.3 63 64.if ${MK_PTHREADS_ASSERTIONS} != "no" 65# enable extra internal consistency checks 66CFLAGS+=-D_PTHREADS_INVARIANTS 67.endif 68 69PRECIOUSLIB= 70 71.PATH: ${.CURDIR}/arch/${MACHINE_CPUARCH}/${MACHINE_CPUARCH} 72.PATH: ${SRCTOP}/libexec/rtld-elf 73 74.if exists(${.CURDIR}/arch/${MACHINE_CPUARCH}/Makefile.inc) 75.include "${.CURDIR}/arch/${MACHINE_CPUARCH}/Makefile.inc" 76.endif 77.include "${.CURDIR}/sys/Makefile.inc" 78.include "${.CURDIR}/thread/Makefile.inc" 79SRCS+= rtld_malloc.c 80 81LIBSYS_SRCTOP= ${.CURDIR:H}/libsys 82.if exists(${LIBSYS_SRCTOP}/${MACHINE_CPUARCH}/_umtx_op_err.S) 83.PATH: ${LIBSYS_SRCTOP}/${MACHINE_CPUARCH} 84.else 85.PATH: ${LIBSYS_SRCTOP} 86.endif 87OBJS+= _umtx_op_err.o 88 89.if ${MK_INSTALLLIB} != "no" 90SYMLINKS+=lib${LIB}.a ${LIBDIR}/libpthread.a 91.endif 92.if !defined(NO_PIC) 93SYMLINKS+=lib${LIB}.so ${LIBDIR}/libpthread.so 94.endif 95 96HAS_TESTS= 97SUBDIR.${MK_TESTS}+= tests 98 99.include <bsd.lib.mk> 100