2d1ba244e9
This changes the buildlink3.mk files to use an include guard for the recursive include. The use of BUILDLINK_DEPTH, BUILDLINK_DEPENDS, BUILDLINK_PACKAGES and BUILDLINK_ORDER is handled by a single new variable BUILDLINK_TREE. Each buildlink3.mk file adds a pair of enter/exit marker, which can be used to reconstruct the tree and to determine first level includes. Avoiding := for large variables (BUILDLINK_ORDER) speeds up parse time as += has linear complexity. The include guard reduces system time by avoiding reading files over and over again. For complex packages this reduces both %user and %sys time to half of the former time.
94 lines
2.9 KiB
Makefile
94 lines
2.9 KiB
Makefile
# $NetBSD: curses.buildlink3.mk,v 1.14 2009/03/20 19:25:01 joerg Exp $
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#
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# This Makefile fragment is meant to be included by packages that require
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# any curses implementation instead of one particular one. The available
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# curses implementations are "curses" if built-in, "ncurses", and
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# "pdcurses".
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#
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# If a package genuinely requires ncurses or pdcurses, then it should
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# directly include the appropriate buildlink3.mk instead of this file in
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# the package Makefile.
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#
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# === User-settable variables ===
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#
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# CURSES_DEFAULT
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# This value represents the type of curses we wish to use on the
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# system. Setting this to "curses" means that the system curses
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# implementation is fine.
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#
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# Possible: curses, ncurses, pdcurses
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# Default: (depends)
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#
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# === Variables set by this file ===
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#
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# CURSES_TYPE
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# The name of the selected curses implementation.
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CURSES_BUILDLINK3_MK:= ${CURSES_BUILDLINK3_MK}+
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.include "bsd.fast.prefs.mk"
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.if !empty(CURSES_BUILDLINK3_MK:M+)
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# _CURSES_PKGS is an exhaustive list of all of the curses implementations
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# that may be used with curses.buildlink3.mk.
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#
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_CURSES_PKGS?= curses ncurses pdcurses
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CHECK_BUILTIN.curses:= yes
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. include "curses.builtin.mk"
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CHECK_BUILTIN.curses:= no
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# Set the value of CURSES_DEFAULT depending on the platform and what's
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# available in the base system.
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#
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.if defined(USE_BUILTIN.curses) && !empty(USE_BUILTIN.curses:M[yY][eE][sS])
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CURSES_DEFAULT?= curses
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.else
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CURSES_DEFAULT?= ncurses
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.endif
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_CURSES_ACCEPTED= # empty
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.if defined(USE_BUILTIN.curses) && !empty(USE_BUILTIN.curses:M[yY][eE][sS])
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_CURSES_ACCEPTED+= curses # system curses exists
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.endif
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_CURSES_ACCEPTED+= ncurses # pkgsrc ncurses
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_CURSES_ACCEPTED+= pdcurses # pkgsrc pdcurses
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_CURSES_TYPE= ${CURSES_DEFAULT}
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. if !empty(_CURSES_ACCEPTED:M${_CURSES_TYPE})
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CURSES_TYPE= ${_CURSES_TYPE}
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. else
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CURSES_TYPE= none
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. endif
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BUILD_DEFS+= CURSES_DEFAULT
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BUILD_DEFS_EFFECTS+= CURSES_TYPE
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# _PKG_USE_CURSES is a flag for use by the curses packages' buildlink3.mk
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# files to indicate that the headers and libraries should be usable as
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# <curses.h> and -lcurses.
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#
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_PKG_USE_CURSES= yes
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.endif # CURSES_BUILDLINK3_MK
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.if ${CURSES_TYPE} == "none"
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PKG_FAIL_REASON= \
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"${_CURSES_TYPE} is not an acceptable curses type for ${PKGNAME}."
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.elif ${CURSES_TYPE} == "curses"
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BUILDLINK_TREE+= curses -curses
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BUILDLINK_LDADD.curses?= ${BUILDLINK_LIBNAME.curses:S/^/-l/:S/^-l$//}
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BUILDLINK_BUILTIN_MK.curses= ../../mk/curses.builtin.mk
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.elif ${CURSES_TYPE} == "ncurses"
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USE_NCURSES= yes
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. include "../../devel/ncurses/buildlink3.mk"
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BUILDLINK_PREFIX.curses?= ${BUILDLINK_PREFIX.ncurses}
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BUILDLINK_LIBNAME.curses?= ${BUILDLINK_LIBNAME.ncurses}
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BUILDLINK_LDADD.curses?= ${BUILDLINK_LDADD.ncurses}
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.elif ${CURSES_TYPE} == "pdcurses"
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. include "../../devel/pdcurses/buildlink3.mk"
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BUILDLINK_PREFIX.curses?= ${BUILDLINK_PREFIX.pdcurses}
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BUILDLINK_LIBNAME.curses?= ${BUILDLINK_LIBNAME.pdcurses}
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BUILDLINK_LDADD.curses?= ${BUILDLINK_LDADD.pdcurses}
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.endif
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