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#! /usr/bin/env python |
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|
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tclscript = """ |
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foreach d [concat \ |
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[list $tcl_library \ |
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[lindex $tcl_pkgPath 0]] \ |
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$auto_path \ |
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[list [file dirname $tcl_library] \ |
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[file dirname [lindex $tcl_pkgPath 0]] \ |
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[file dirname [file dirname $tcl_library]] \ |
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[file dirname [file dirname [lindex $tcl_pkgPath 0]]] \ |
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[file dirname [file dirname [file dirname $tcl_library]]] \ |
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[file dirname [file dirname [file dirname [lindex $tcl_pkgPath 0]]]]] \ |
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] { |
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if {[file exists [file join $d tclConfig.sh]]} { |
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puts "[file join $d tclConfig.sh]" |
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exit |
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} |
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} |
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""" |
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|
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# determine location of tclConfig.sh |
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|
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import subprocess |
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output = subprocess.Popen(["tclsh"], stdin=subprocess.PIPE, stdout=subprocess.PIPE).communicate(input=tclscript)[0] |
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tclconfigfile = output.strip() |
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|
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# parse the file to determine the names of the variables it contains |
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|
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f = file(tclconfigfile) |
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|
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# default build environment variables that are assumed to already be defined |
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# note that these are normally given default values in GNU Make, but we're |
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# not inside make, so we might not have these. |
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# FIXME: could try importing these from the environment? |
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d = { |
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"CC":"gcc", |
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"CFLAGS":"", |
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"LDFLAGS":"", |
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"AR":"", |
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"LIBS":"", |
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"VERSION":"", |
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"DBGX":"" |
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} |
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|
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# regular expression used for variable substitution |
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import re |
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r = re.compile(r'\$\{([A-Z_0-9]+)\}') |
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|
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# variable substitution/expansion function |
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def expand(s,d): |
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m = r.search(s) |
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#print "MATCHING",s |
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if m: |
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#print "MATCH!" |
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if d.has_key(m.group(1)): |
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return expand(s[:m.start()] + d[m.group(1)] + s[m.end():],d) |
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else: |
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raise RuntimeError("Missing variable '%s'" % m.group(1)) |
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return s |
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|
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for l in f: |
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ls = l.strip() |
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if ls == "" or ls[0]=="#": |
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continue |
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k,v = ls.split("=",1) |
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if len(v) >= 2 and v[0] == "'" and v[len(v)-1] == "'": |
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v = v[1:len(v)-1] |
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|
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d[k] = expand(v,d) |
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|
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# output the variable that the user requests |
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|
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import getopt, sys |
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|
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def usage(progname): |
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print "%s [--cflags] [--libs] [--var=TCL_VAR_NAME] [--vars]" % progname |
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print "Output configuration variables for the Tcl script interpreter." |
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print "Options:" |
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print "\t--cflags Compiler flags for C code that uses Tcl" |
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print "\t--libs Linker flags for code that uses Tcl" |
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print "\t--vars List all variables defined in tclConfig.sh" |
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print "\t--var=VARNAME Output the value of a specific variable" |
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print "\nSee http://ascendwiki.cheme.cmu.edu/Tcl-config for more info." |
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|
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try: |
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opts, args = getopt.getopt(sys.argv[1:], "h", |
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["help", "cflags", "libs","var=","vars"] |
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) |
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except getopt.GetoptError, err: |
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print str(err) |
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usage(sys.argv[0]) |
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sys.exit(2) |
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|
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for o, a in opts: |
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if o == "-h" or o == "--help": |
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usage(sys.argv[0]) |
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sys.exit() |
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elif o == "--cflags": |
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print d['TCL_INCLUDE_SPEC'] |
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elif o == "--libs": |
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print d['TCL_LIB_SPEC'] |
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elif o == "--var": |
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if d.has_key(a): |
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print d[a] |
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else: |
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raise RuntimeError("Unknown variable '%s'" % a) |
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elif o == "--vars": |
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for k in d.keys(): |
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print k |
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else: |
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assert False, "unhandled option" |
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