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Files
build/os.path.jam
Dave Abrahams afc5de72ce ----------------------------------------------------------------------
committing in tools/build

Modified Files:
	build_system.htm
		Documented:
			local rules
			the RULENAMES rule
			the EXPORT rule
			the BACKTRACE rule
			new IMPORT semantics
			-d+12 Dependency Graph Output
			Crude Argument Binding
			Variable numbers of arguments

	jam_src/compile.c
		implemented RULENAMES, EXPORT, varargs support, new IMPORT semantics
		removed unused variables

	jam_src/make1.c
	jam_src/hdrmacro.c
		removed unused variables

	jam_src/jamgram.{c,h,y,yy}
		"module local x" does not change module local value of x
		if it is already set.

	jam_src/lists.[ch]
		added list_pop_front()

	new/assert.jam new/boost-build.jam
	new/build-system.jam new/errors.jam
	new/modules.jam new/os.path.jam
		beginnings of new build system

	test/check-arguments.jam
	test/check-jam-patches.jam
	test/echo_args.jam
		Added tests for recent core modifications; comments

Added Files:
	new/feature.jam new/property.jam
	new/readme.txt new/sequence.jam
	new/test.jam
		beginnings of new build system
----------------------------------------------------------------------


[SVN r11789]
2001-11-27 16:41:59 +00:00

30 lines
764 B
Plaintext

# (C) Copyright David Abrahams 2001. Permission to copy, use, modify, sell and
# distribute this software is granted provided this copyright notice appears in
# all copies. This software is provided "as is" without express or implied
# warranty, and with no claim as to its suitability for any purpose.
if $(NT)
{
module local slash = \\ ;
}
else
{
module local slash = / ;
}
rule split ( path )
{
return [ SUBST $(<[1]) "^([/$(SLASH)]+).*" $1 ] # rooting slash(es), if any
[ split $(<) "[/$(SLASH)]" ] # the rest.
;
}
rule join ( elements * )
{
local slashes = $(slash) / ;
local result prev = $(elements[1]) ;
for local e in $(elements[2-])
{`
if ! ( $(prev) in $(slashes) ) &&
}
}