pkgsrc/mk/pthread.builtin.mk
jlam 2374c335bd Rework code to more easily allow listing other platform that, like NetBSD,
use GCC and can accept -pthread.  Add DragonFly(BSD) to this list (from
PR pkg/28964).
2005-01-17 08:29:30 +00:00

78 lines
2.2 KiB
Makefile

# $NetBSD: pthread.builtin.mk,v 1.7 2005/01/17 08:29:30 jlam Exp $
.for _lib_ in pthread c_r rt
. if !defined(_BLNK_LIB_FOUND.${_lib_})
_BLNK_LIB_FOUND.${_lib_}!= \
if ${TEST} "`${ECHO} /usr/lib/lib${_lib_}.*`" != "/usr/lib/lib${_lib_}.*"; then \
${ECHO} "yes"; \
elif ${TEST} "`${ECHO} /lib/lib${_lib_}.*`" != "/lib/lib${_lib_}.*"; then \
${ECHO} "yes"; \
else \
${ECHO} "no"; \
fi
BUILDLINK_VARS+= _BLNK_LIB_FOUND.${_lib_}
. endif
.endfor
.undef _lib_
.if !defined(IS_BUILTIN.pthread)
IS_BUILTIN.pthread= no
. if exists(/usr/include/pthread.h)
IS_BUILTIN.pthread= yes
. endif
BUILDLINK_VARS+= IS_BUILTIN.pthread
.endif # IS_BUILTIN.pthread
# We ignore the value of PREFER_PKGSRC and PREFER_NATIVE. Whether we
# prefer one or the other is dependent on the value of
# PREFER_NATIVE_PTHREADS, which is yes/no.
#
.if !empty(PREFER_NATIVE_PTHREADS:M[yY][eE][sS])
USE_BUILTIN.pthread= ${IS_BUILTIN.pthread}
.else
USE_BUILTIN.pthread= no
.endif
CHECK_BUILTIN.pthread?= no
.if !empty(CHECK_BUILTIN.pthread:M[nN][oO])
.if !empty(USE_BUILTIN.pthread:M[yY][eE][sS])
BUILDLINK_PREFIX.pthread= /usr
BUILDLINK_CFLAGS.pthread= # empty
BUILDLINK_LDFLAGS.pthread= # empty
# only pass -pthread on platforms known to support it.
# XXX
# XXX This should really be a check for GCC!
# XXX
BUILDLINK_OPSYS_SUPPORT_PTHREAD= DragonFly FreeBSD Linux NetBSD
. if !empty(BUILDLINK_OPSYS_SUPPORT_PTHREAD:M${OPSYS})
BUILDLINK_CFLAGS.pthread+= -pthread
BUILDLINK_LDFLAGS.pthread+= -pthread
. elif ${OPSYS} == "OSF1"
BUILDLINK_CFLAGS.pthread+= -pthread
. else
BUILDLINK_CPPFLAGS.pthread+= -D_REENTRANT
. endif
. if ${OPSYS} == "FreeBSD"
BUILDLINK_CPPFLAGS.pthread+= -D_THREAD_SAFE
. endif
# Handle systems which have pthreads functions in libc_r such as
# FreeBSD 5.x, or fall back to libc if we don't find libc_r.
#
. if ${OPSYS} == "NetBSD"
BUILDLINK_LIBS.pthread= # empty
. elif !empty(_BLNK_LIB_FOUND.pthread:M[yY][eE][sS])
BUILDLINK_LIBS.pthread= -lpthread
. if !empty(_BLNK_LIB_FOUND.rt:M[yY][eE][sS])
BUILDLINK_LIBS.pthread+= -lrt
. endif
. elif !empty(_BLNK_LIB_FOUND.c_r:M[yY][eE][sS])
BUILDLINK_LIBS.pthread= -lc_r
. else
BUILDLINK_LIBS.pthread= # empty
. endif
.endif # USE_BUILTIN.pthread
.endif # CHECK_BUILTIN.pthread