pkgsrc/mk/pthread.builtin.mk
rillig 1d8887c980 mk: use direct include paths
This saves a few system calls since the included files are searched first
in .PARSEDIR and only then in .CURDIR.
2019-06-30 21:28:28 +00:00

95 lines
2.7 KiB
Makefile

# $NetBSD: pthread.builtin.mk,v 1.16 2019/06/30 21:28:28 rillig Exp $
BUILTIN_PKG:= pthread
BUILTIN_FIND_LIBS:= pthread c_r rt
BUILTIN_FIND_HEADERS_VAR= H_PTHREAD
BUILTIN_FIND_HEADERS.H_PTHREAD= pthread.h
.include "buildlink3/bsd.builtin.mk"
###
### Determine if there is a built-in implementation of the package and
### set IS_BUILTIN.<pkg> appropriately ("yes" or "no").
###
.if !defined(IS_BUILTIN.pthread)
IS_BUILTIN.pthread= no
. if empty(H_PTHREAD:M${LOCALBASE}/*) && exists(${H_PTHREAD})
IS_BUILTIN.pthread= yes
. endif
.endif
MAKEVARS+= IS_BUILTIN.pthread
###
### Determine whether we should use the built-in implementation if it
### exists, and set USE_BUILTIN.<pkg> appropriate ("yes" or "no").
###
#
# 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 !defined(USE_BUILTIN.pthread)
USE_BUILTIN.pthread= ${IS_BUILTIN.pthread}
. if !empty(PREFER_NATIVE_PTHREADS:M[nN][oO])
USE_BUILTIN.pthread= no
. endif
.endif
MAKEVARS+= USE_BUILTIN.pthread
###
### The section below only applies if we are not including this file
### solely to determine whether a built-in implementation exists.
###
CHECK_BUILTIN.pthread?= no
.if !empty(CHECK_BUILTIN.pthread:M[nN][oO])
. if !empty(USE_BUILTIN.pthread:M[yY][eE][sS])
BUILDLINK_PREFIX.pthread= /usr
. if empty(H_PTHREAD:M__nonexistent__)
. if!empty(H_PTHREAD:M/usr/*)
BUILDLINK_PREFIX.pthread= /usr
. else
BUILDLINK_PREFIX.pthread= # empty
. endif
. endif
BUILDLINK_CFLAGS.pthread= # empty
BUILDLINK_LDFLAGS.pthread= # empty
# only pass -pthread on platforms known to support it.
# XXX
# XXX This should really be a check for GCC!
# XXX
BUILDLINK_OPSYS_SUPPORT_PTHREAD= \
DragonFly FreeBSD Linux MirBSD NetBSD OpenBSD SunOS
. if !empty(BUILDLINK_OPSYS_SUPPORT_PTHREAD:M${OPSYS})
BUILDLINK_CFLAGS.pthread+= -pthread
BUILDLINK_LDFLAGS.pthread+= -pthread
. elif ${OPSYS} == "OSF1"
BUILDLINK_CFLAGS.pthread+= -pthread
CFLAGS+= -D_REENTRANT
. 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(BUILTIN_LIB_FOUND.pthread:M[yY][eE][sS])
BUILDLINK_LIBS.pthread= -lpthread
. if !empty(BUILTIN_LIB_FOUND.rt:M[yY][eE][sS])
BUILDLINK_LIBS.pthread+= -lrt
. endif
. elif !empty(BUILTIN_LIB_FOUND.c_r:M[yY][eE][sS])
BUILDLINK_LIBS.pthread= -lc_r
. else
BUILDLINK_LIBS.pthread= # empty
. endif
. endif
.endif # CHECK_BUILTIN.pthread