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# $NetBSD: dlopen.builtin.mk,v 1.14 2005/06/26 13:11:22 minskim Exp $
BUILTIN_PKG:= dl
BUILTIN_FIND_LIBS:= dl
BUILTIN_FIND_FILES_VAR:= H_DL
BUILTIN_FIND_FILES.H_DL= /usr/include/dlfcn.h \
/opt/gcc.3.3/include/dlfcn.h
.include "../../mk/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.dl)
IS_BUILTIN.dl= no
. if empty(H_DL:M${LOCALBASE}/*) && exists(${H_DL})
IS_BUILTIN.dl= yes
. endif
.endif
MAKEVARS+= IS_BUILTIN.dl
###
### 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 because for
# every platform except for Darwin-[56].*, we can only use the built-in
# dynamic linker functions, so USE_BUILTIN.dl must match IS_BUILTIN.dl.
#
.if !defined(USE_BUILTIN.dl)
USE_BUILTIN.dl= ${IS_BUILTIN.dl}
. if !empty(MACHINE_PLATFORM:MDarwin-[56].*)
USE_BUILTIN.dl= no # Darwin-[56].* uses devel/dlcompat
. endif
.endif
MAKEVARS+= USE_BUILTIN.dl
# The following platforms require pthreads to be linked into the
# application if it uses dlopen() or else the applications will core
# dump when they dlopen a shared module that _is_ linked with pthread
# support.
#
_BLNK_DLOPEN_REQUIRE_PTHREAD_PLATFORMS= \
NetBSD-2.[0-9]_*-* \
NetBSD-2.[0-9]-* NetBSD-2.[0-9].[0-9]*-* \
NetBSD-2.[0-8][0-9]*-* NetBSD-2.9[0-8]*-* \
NetBSD-2.99.[0-9]-* NetBSD-2.99.10-*
.if !defined(_BLNK_DLOPEN_REQUIRE_PTHREADS)
_BLNK_DLOPEN_REQUIRE_PTHREADS?= no
. for _pattern_ in ${_BLNK_DLOPEN_REQUIRE_PTHREAD_PLATFORMS}
. if !empty(MACHINE_PLATFORM:M${_pattern_})
. if !empty(PREFER_NATIVE_PTHREADS:M[yY][eE][sS])
_BLNK_DLOPEN_REQUIRE_PTHREADS= yes
. endif
. endif
. endfor
.endif
MAKEVARS+= _BLNK_DLOPEN_REQUIRE_PTHREADS
#
# DLOPEN_REQUIRE_PTHREADS is a user- and package-settable yes/no variable
# whose value decides whether pthread.buildlink3.mk is automatically
# included or not. Its default value depends on whether native
# pthreads exist.
#
.if defined(DLOPEN_REQUIRE_PTHREADS)
_BLNK_DLOPEN_REQUIRE_PTHREADS:= ${DLOPEN_REQUIRE_PTHREADS}
.else
DLOPEN_REQUIRE_PTHREADS= ${_BLNK_DLOPEN_REQUIRE_PTHREADS}
.endif
###
### The section below only applies if we are not including this file
### solely to determine whether a built-in implementation exists.
###
CHECK_BUILTIN.dl?= no
.if !empty(CHECK_BUILTIN.dl:M[nN][oO])
. if !empty(USE_BUILTIN.dl:M[yY][eE][sS])
BUILDLINK_PREFIX.dl= /usr
. if !empty(BUILTIN_LIB_FOUND.dl:M[yY][eE][sS])
#
# No need to add this to BUILDLINK_LIBS.dl since most GNU configure
# scripts already check for -ldl themselves.
#
BUILDLINK_LDADD.dl= -ldl
. endif
. if !empty(_BLNK_DLOPEN_REQUIRE_PTHREADS:M[yY][eE][sS])
BUILDLINK_DEPTH:= ${BUILDLINK_DEPTH}+
. include "../../mk/pthread.buildlink3.mk"
BUILDLINK_DEPTH:= ${BUILDLINK_DEPTH:S/+$//}
. include "../../mk/pthread.builtin.mk"
BUILDLINK_CFLAGS.dl+= ${PTHREAD_CFLAGS}
BUILDLINK_LDFLAGS.dl+= ${PTHREAD_LDFLAGS}
BUILDLINK_LIBS.dl+= ${PTHREAD_LIBS}
. endif
. endif
.endif # CHECK_BUILTIN.dl
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