Add builtin.mk file for built-in libexecinfo support.

* Tested on NetBSD 6.99.23 and 6.1 with graphics/fotoxx.

1 files changed, 68 insertions, 0 deletions

diff --git a/devel/libexecinfo/builtin.mk b/devel/libexecinfo/builtin.mk
new file mode 100644
index 00000000000..6a1039684ce
--- /dev/null
+++ b/devel/libexecinfo/builtin.mk
@@ -0,0 +1,68 @@
+# $NetBSD: builtin.mk,v 1.1 2013/07/03 14:47:04 ryoon Exp $
+
+BUILTIN_PKG:=	libexecinfo
+
+BUILTIN_FIND_FILES_VAR:=	H_EXECINFO
+BUILTIN_FIND_FILES.H_EXECINFO=	/usr/include/execinfo.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.libexecinfo)
+IS_BUILTIN.libexecinfo=	no
+.  if empty(H_EXECINFO:M__nonexistent__) && empty(H_EXECINFO:M${LOCALBASE}/*)
+IS_BUILTIN.libexecinfo=	yes
+.  endif
+.endif	# IS_BUILTIN.libexecinfo
+MAKEVARS+=	IS_BUILTIN.libexecinfo
+
+###
+### Determine whether we should use the built-in implementation if it
+### exists, and set USE_BUILTIN.<pkg> appropriate ("yes" or "no").
+###
+.if !defined(USE_BUILTIN.libexecinfo)
+.  if ${PREFER.libexecinfo} == "pkgsrc"
+USE_BUILTIN.libexecinfo=	no
+.  else
+USE_BUILTIN.libexecinfo=	${IS_BUILTIN.libexecinfo}
+.    if defined(BUILTIN_PKG.libexecinfo) && \
+        !empty(IS_BUILTIN.libexecinfo:M[yY][eE][sS])
+USE_BUILTIN.libexecinfo=	yes
+.      for _dep_ in ${BUILDLINK_API_DEPENDS.libexecinfo}
+.        if !empty(USE_BUILTIN.libexecinfo:M[yY][eE][sS])
+USE_BUILTIN.libexecinfo!=							\
+	if ${PKG_ADMIN} pmatch ${_dep_:Q} ${BUILTIN_PKG.libexecinfo:Q}; then	\
+		${ECHO} yes;						\
+	else								\
+		${ECHO} no;						\
+	fi
+.        endif
+.      endfor
+.    endif
+.  endif  # PREFER.libexecinfo
+.endif
+MAKEVARS+=	USE_BUILTIN.libexecinfo
+
+###
+### The section below only applies if we are not including this file
+### solely to determine whether a built-in implementation exists.
+###
+CHECK_BUILTIN.libexecinfo?=	no
+.if !empty(CHECK_BUILTIN.libexecinfo:M[nN][oO])
+
+.  if !empty(USE_BUILTIN.libexecinfo:M[nN][oO])
+_BLTN_LIBEXECINFO=	-lexecinfo
+.  else
+.    if exists(/usr/include/execinfo.h) && (${OPSYS} == "NetBSD")
+_BLTN_LIBEXECINFO=	-lexecinfo
+.    else
+_BLTN_LIBEXECINFO=	# empty
+.    endif
+.  endif
+BUILDLINK_LDADD.libexecinfo?=	${_BLTN_LIBEXECINFO}
+BUILDLINK_LDFLAGS.libexecinfo?=	${_BLTN_LIBEXECINFO}
+
+.endif	# CHECK_BUILTIN.libexecinfo