Add builtin support for xz.

1 files changed, 104 insertions, 0 deletions

diff --git a/archivers/xz/builtin.mk b/archivers/xz/builtin.mk
new file mode 100644
index 00000000000..a7d4c4e4255
--- /dev/null
+++ b/archivers/xz/builtin.mk
@@ -0,0 +1,104 @@
+# $NetBSD: builtin.mk,v 1.1 2010/08/25 10:44:40 obache Exp $
+
+BUILTIN_PKG:=	xz
+
+BUILTIN_FIND_FILES_VAR:=	H_LZMA H_LZMA_VERSION
+BUILTIN_FIND_FILES.H_LZMA=	/usr/include/lzma.h \
+				/boot/common/include/lzma.h
+BUILTIN_FIND_FILES.H_LZMA_VERSION=/usr/include/lzma/version.h \
+				/boot/common/include/lzma/version.h
+BUILTIN_FIND_GREP.H_LZMA=	LZMA_
+
+.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.xz)
+IS_BUILTIN.xz=		no
+.  if empty(H_LZMA:M__nonexistent__) && empty(H_LZMA:M${LOCALBASE}/*)
+IS_BUILTIN.xz=		yes
+.  endif
+.endif
+MAKEVARS+=	IS_BUILTIN.xz
+
+###
+### If there is a built-in implementation, then set BUILTIN_PKG.<pkg> to
+### a package name to represent the built-in package.
+###
+.if !defined(BUILTIN_PKG.xz) && \
+    !empty(IS_BUILTIN.xz:M[yY][eE][sS])
+BUILTIN_VERSION.xz!=							\
+	${AWK} 'BEGIN { M = "0" }					\
+		/\#define[ 	]+LZMA_VERSION_MAJOR/ { M = $$3 }	\
+		/\#define[ 	]+LZMA_VERSION_MINOR/ { m = "."$$3 }	\
+		/\#define[ 	]+LZMA_VERSION_PATCH/ { p = "."$$3 }	\
+		/\#define[ 	]+LZMA_VERSION_STABILITY[ 	]+/ { 	\
+			if (split($$3, ss, /_/) == 4 && ss[4] != "STABLE") { \
+				s = tolower(ss[4])			\
+			}						\
+		}							\
+		END { printf "%s%s%s%s\n", M, m, p, s}			\
+	' ${H_LZMA_VERSION:Q}
+
+BUILTIN_PKG.xz=		xz-${BUILTIN_VERSION.xz}
+.endif
+MAKEVARS+=    BUILTIN_PKG.xz
+
+###
+### 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.xz)
+.  if ${PREFER.xz} == "pkgsrc"
+USE_BUILTIN.xz=	no
+.  else
+USE_BUILTIN.xz=	${IS_BUILTIN.xz}
+.    if defined(BUILTIN_PKG.xz) && \
+        !empty(IS_BUILTIN.xz:M[yY][eE][sS])
+USE_BUILTIN.xz=	yes
+.      for _dep_ in ${BUILDLINK_API_DEPENDS.xz}
+.        if !empty(USE_BUILTIN.xz:M[yY][eE][sS])
+USE_BUILTIN.xz!=							\
+	if ${PKG_ADMIN} pmatch ${_dep_:Q} ${BUILTIN_PKG.xz:Q}; then	\
+		${ECHO} yes;						\
+	else								\
+		${ECHO} no;						\
+	fi
+.        endif
+.      endfor
+.    endif
+_INCOMPAT_XZ?=	# empty
+.    for _pattern_ in ${_INCOMPAT_XZ} ${INCOMPAT_XZ}
+.      if !empty(MACHINE_PLATFORM:M${_pattern_})
+USE_BUILTIN.xz=	no
+.      endif
+.    endfor
+.  endif  # PREFER.xz
+.endif
+MAKEVARS+=	USE_BUILTIN.xz
+
+# if USE_XZ is defined, then force the use of a true xz
+# implementation.
+#
+.if defined(USE_XZ)
+.  if !empty(IS_BUILTIN.xz:M[nN][oO])
+USE_BUILTIN.xz=	no
+.  endif
+.endif
+
+###
+### The section below only applies if we are not including this file
+### solely to determine whether a built-in implementation exists.
+###
+
+CHECK_BUILTIN.xz?=	no
+.if !empty(CHECK_BUILTIN.xz:M[nN][oO])
+
+.  if !empty(USE_BUILTIN.xz:M[yY][eE][sS])
+BUILDLINK_PREFIX.xz=	${H_LZMA:S/\/include\/lzma.h//}
+BUILDLINK_FILES.xz+=	lib/pkgconfig/xz.pc
+.  endif
+
+.endif	# CHECK_BUILTIN.xz