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Diffstat (limited to '3rdParty/SCons/scons-local/SCons/Tool/tex.py')
| -rw-r--r-- | 3rdParty/SCons/scons-local/SCons/Tool/tex.py | 646 |
1 files changed, 646 insertions, 0 deletions
diff --git a/3rdParty/SCons/scons-local/SCons/Tool/tex.py b/3rdParty/SCons/scons-local/SCons/Tool/tex.py new file mode 100644 index 0000000..cbbee2d --- /dev/null +++ b/3rdParty/SCons/scons-local/SCons/Tool/tex.py @@ -0,0 +1,646 @@ +"""SCons.Tool.tex + +Tool-specific initialization for TeX. + +There normally shouldn't be any need to import this module directly. +It will usually be imported through the generic SCons.Tool.Tool() +selection method. + +""" + +# +# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 The SCons Foundation +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be included +# in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY +# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE +# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# + +__revision__ = "src/engine/SCons/Tool/tex.py 4043 2009/02/23 09:06:45 scons" + +import os.path +import re +import string +import shutil + +import SCons.Action +import SCons.Node +import SCons.Node.FS +import SCons.Util +import SCons.Scanner.LaTeX + +Verbose = False + +must_rerun_latex = True + +# these are files that just need to be checked for changes and then rerun latex +check_suffixes = ['.toc', '.lof', '.lot', '.out', '.nav', '.snm'] + +# these are files that require bibtex or makeindex to be run when they change +all_suffixes = check_suffixes + ['.bbl', '.idx', '.nlo', '.glo'] + +# +# regular expressions used to search for Latex features +# or outputs that require rerunning latex +# +# search for all .aux files opened by latex (recorded in the .log file) +openout_aux_re = re.compile(r"\\openout.*`(.*\.aux)'") + +#printindex_re = re.compile(r"^[^%]*\\printindex", re.MULTILINE) +#printnomenclature_re = re.compile(r"^[^%]*\\printnomenclature", re.MULTILINE) +#printglossary_re = re.compile(r"^[^%]*\\printglossary", re.MULTILINE) + +# search to find rerun warnings +warning_rerun_str = '(^LaTeX Warning:.*Rerun)|(^Package \w+ Warning:.*Rerun)' +warning_rerun_re = re.compile(warning_rerun_str, re.MULTILINE) + +# search to find citation rerun warnings +rerun_citations_str = "^LaTeX Warning:.*\n.*Rerun to get citations correct" +rerun_citations_re = re.compile(rerun_citations_str, re.MULTILINE) + +# search to find undefined references or citations warnings +undefined_references_str = '(^LaTeX Warning:.*undefined references)|(^Package \w+ Warning:.*undefined citations)' +undefined_references_re = re.compile(undefined_references_str, re.MULTILINE) + +# used by the emitter +auxfile_re = re.compile(r".", re.MULTILINE) +tableofcontents_re = re.compile(r"^[^%\n]*\\tableofcontents", re.MULTILINE) +makeindex_re = re.compile(r"^[^%\n]*\\makeindex", re.MULTILINE) +bibliography_re = re.compile(r"^[^%\n]*\\bibliography", re.MULTILINE) +listoffigures_re = re.compile(r"^[^%\n]*\\listoffigures", re.MULTILINE) +listoftables_re = re.compile(r"^[^%\n]*\\listoftables", re.MULTILINE) +hyperref_re = re.compile(r"^[^%\n]*\\usepackage.*\{hyperref\}", re.MULTILINE) +makenomenclature_re = re.compile(r"^[^%\n]*\\makenomenclature", re.MULTILINE) +makeglossary_re = re.compile(r"^[^%\n]*\\makeglossary", re.MULTILINE) +beamer_re = re.compile(r"^[^%\n]*\\documentclass\{beamer\}", re.MULTILINE) + +# search to find all files included by Latex +include_re = re.compile(r'^[^%\n]*\\(?:include|input){([^}]*)}', re.MULTILINE) + +# search to find all graphics files included by Latex +includegraphics_re = re.compile(r'^[^%\n]*\\(?:includegraphics(?:\[[^\]]+\])?){([^}]*)}', re.MULTILINE) + +# search to find all files opened by Latex (recorded in .log file) +openout_re = re.compile(r"\\openout.*`(.*)'") + +# list of graphics file extensions for TeX and LaTeX +TexGraphics = SCons.Scanner.LaTeX.TexGraphics +LatexGraphics = SCons.Scanner.LaTeX.LatexGraphics + +# An Action sufficient to build any generic tex file. +TeXAction = None + +# An action to build a latex file. This action might be needed more +# than once if we are dealing with labels and bibtex. +LaTeXAction = None + +# An action to run BibTeX on a file. +BibTeXAction = None + +# An action to run MakeIndex on a file. +MakeIndexAction = None + +# An action to run MakeIndex (for nomencl) on a file. +MakeNclAction = None + +# An action to run MakeIndex (for glossary) on a file. +MakeGlossaryAction = None + +# Used as a return value of modify_env_var if the variable is not set. +_null = SCons.Scanner.LaTeX._null + +modify_env_var = SCons.Scanner.LaTeX.modify_env_var + +def FindFile(name,suffixes,paths,env,requireExt=False): + if requireExt: + name,ext = SCons.Util.splitext(name) + # if the user gave an extension use it. + if ext: + name = name + ext + if Verbose: + print " searching for '%s' with extensions: " % name,suffixes + + for path in paths: + testName = os.path.join(path,name) + if Verbose: + print " look for '%s'" % testName + if os.path.exists(testName): + if Verbose: + print " found '%s'" % testName + return env.fs.File(testName) + else: + name_ext = SCons.Util.splitext(testName)[1] + if name_ext: + continue + + # if no suffix try adding those passed in + for suffix in suffixes: + testNameExt = testName + suffix + if Verbose: + print " look for '%s'" % testNameExt + + if os.path.exists(testNameExt): + if Verbose: + print " found '%s'" % testNameExt + return env.fs.File(testNameExt) + if Verbose: + print " did not find '%s'" % name + return None + +def InternalLaTeXAuxAction(XXXLaTeXAction, target = None, source= None, env=None): + """A builder for LaTeX files that checks the output in the aux file + and decides how many times to use LaTeXAction, and BibTeXAction.""" + + global must_rerun_latex + + # This routine is called with two actions. In this file for DVI builds + # with LaTeXAction and from the pdflatex.py with PDFLaTeXAction + # set this up now for the case where the user requests a different extension + # for the target filename + if (XXXLaTeXAction == LaTeXAction): + callerSuffix = ".dvi" + else: + callerSuffix = env['PDFSUFFIX'] + + basename = SCons.Util.splitext(str(source[0]))[0] + basedir = os.path.split(str(source[0]))[0] + basefile = os.path.split(str(basename))[1] + abspath = os.path.abspath(basedir) + + targetext = os.path.splitext(str(target[0]))[1] + targetdir = os.path.split(str(target[0]))[0] + + saved_env = {} + for var in SCons.Scanner.LaTeX.LaTeX.env_variables: + saved_env[var] = modify_env_var(env, var, abspath) + + # Create base file names with the target directory since the auxiliary files + # will be made there. That's because the *COM variables have the cd + # command in the prolog. We check + # for the existence of files before opening them--even ones like the + # aux file that TeX always creates--to make it possible to write tests + # with stubs that don't necessarily generate all of the same files. + + targetbase = os.path.join(targetdir, basefile) + + # if there is a \makeindex there will be a .idx and thus + # we have to run makeindex at least once to keep the build + # happy even if there is no index. + # Same for glossaries and nomenclature + src_content = source[0].get_text_contents() + run_makeindex = makeindex_re.search(src_content) and not os.path.exists(targetbase + '.idx') + run_nomenclature = makenomenclature_re.search(src_content) and not os.path.exists(targetbase + '.nlo') + run_glossary = makeglossary_re.search(src_content) and not os.path.exists(targetbase + '.glo') + + saved_hashes = {} + suffix_nodes = {} + + for suffix in all_suffixes: + theNode = env.fs.File(targetbase + suffix) + suffix_nodes[suffix] = theNode + saved_hashes[suffix] = theNode.get_csig() + + if Verbose: + print "hashes: ",saved_hashes + + must_rerun_latex = True + + # + # routine to update MD5 hash and compare + # + # TODO(1.5): nested scopes + def check_MD5(filenode, suffix, saved_hashes=saved_hashes, targetbase=targetbase): + global must_rerun_latex + # two calls to clear old csig + filenode.clear_memoized_values() + filenode.ninfo = filenode.new_ninfo() + new_md5 = filenode.get_csig() + + if saved_hashes[suffix] == new_md5: + if Verbose: + print "file %s not changed" % (targetbase+suffix) + return False # unchanged + saved_hashes[suffix] = new_md5 + must_rerun_latex = True + if Verbose: + print "file %s changed, rerunning Latex, new hash = " % (targetbase+suffix), new_md5 + return True # changed + + # generate the file name that latex will generate + resultfilename = targetbase + callerSuffix + + count = 0 + + while (must_rerun_latex and count < int(env.subst('$LATEXRETRIES'))) : + result = XXXLaTeXAction(target, source, env) + if result != 0: + return result + + count = count + 1 + + must_rerun_latex = False + # Decide if various things need to be run, or run again. + + # Read the log file to find all .aux files + logfilename = targetbase + '.log' + logContent = '' + auxfiles = [] + if os.path.exists(logfilename): + logContent = open(logfilename, "rb").read() + auxfiles = openout_aux_re.findall(logContent) + + # Now decide if bibtex will need to be run. + # The information that bibtex reads from the .aux file is + # pass-independent. If we find (below) that the .bbl file is unchanged, + # then the last latex saw a correct bibliography. + # Therefore only do this on the first pass + if count == 1: + for auxfilename in auxfiles: + target_aux = os.path.join(targetdir, auxfilename) + if os.path.exists(target_aux): + content = open(target_aux, "rb").read() + if string.find(content, "bibdata") != -1: + if Verbose: + print "Need to run bibtex" + bibfile = env.fs.File(targetbase) + result = BibTeXAction(bibfile, bibfile, env) + if result != 0: + return result + must_rerun_latex = check_MD5(suffix_nodes['.bbl'],'.bbl') + break + + # Now decide if latex will need to be run again due to index. + if check_MD5(suffix_nodes['.idx'],'.idx') or (count == 1 and run_makeindex): + # We must run makeindex + if Verbose: + print "Need to run makeindex" + idxfile = suffix_nodes['.idx'] + result = MakeIndexAction(idxfile, idxfile, env) + if result != 0: + return result + + # TO-DO: need to add a way for the user to extend this list for whatever + # auxiliary files they create in other (or their own) packages + # Harder is case is where an action needs to be called -- that should be rare (I hope?) + + for index in check_suffixes: + check_MD5(suffix_nodes[index],index) + + # Now decide if latex will need to be run again due to nomenclature. + if check_MD5(suffix_nodes['.nlo'],'.nlo') or (count == 1 and run_nomenclature): + # We must run makeindex + if Verbose: + print "Need to run makeindex for nomenclature" + nclfile = suffix_nodes['.nlo'] + result = MakeNclAction(nclfile, nclfile, env) + if result != 0: + return result + + # Now decide if latex will need to be run again due to glossary. + if check_MD5(suffix_nodes['.glo'],'.glo') or (count == 1 and run_glossary): + # We must run makeindex + if Verbose: + print "Need to run makeindex for glossary" + glofile = suffix_nodes['.glo'] + result = MakeGlossaryAction(glofile, glofile, env) + if result != 0: + return result + + # Now decide if latex needs to be run yet again to resolve warnings. + if warning_rerun_re.search(logContent): + must_rerun_latex = True + if Verbose: + print "rerun Latex due to latex or package rerun warning" + + if rerun_citations_re.search(logContent): + must_rerun_latex = True + if Verbose: + print "rerun Latex due to 'Rerun to get citations correct' warning" + + if undefined_references_re.search(logContent): + must_rerun_latex = True + if Verbose: + print "rerun Latex due to undefined references or citations" + + if (count >= int(env.subst('$LATEXRETRIES')) and must_rerun_latex): + print "reached max number of retries on Latex ,",int(env.subst('$LATEXRETRIES')) +# end of while loop + + # rename Latex's output to what the target name is + if not (str(target[0]) == resultfilename and os.path.exists(resultfilename)): + if os.path.exists(resultfilename): + print "move %s to %s" % (resultfilename, str(target[0]), ) + shutil.move(resultfilename,str(target[0])) + + # Original comment (when TEXPICTS was not restored): + # The TEXPICTS enviroment variable is needed by a dvi -> pdf step + # later on Mac OSX so leave it + # + # It is also used when searching for pictures (implicit dependencies). + # Why not set the variable again in the respective builder instead + # of leaving local modifications in the environment? What if multiple + # latex builds in different directories need different TEXPICTS? + for var in SCons.Scanner.LaTeX.LaTeX.env_variables: + if var == 'TEXPICTS': + continue + if saved_env[var] is _null: + try: + del env['ENV'][var] + except KeyError: + pass # was never set + else: + env['ENV'][var] = saved_env[var] + + return result + +def LaTeXAuxAction(target = None, source= None, env=None): + result = InternalLaTeXAuxAction( LaTeXAction, target, source, env ) + return result + +LaTeX_re = re.compile("\\\\document(style|class)") + +def is_LaTeX(flist): + # Scan a file list to decide if it's TeX- or LaTeX-flavored. + for f in flist: + content = f.get_text_contents() + if LaTeX_re.search(content): + return 1 + return 0 + +def TeXLaTeXFunction(target = None, source= None, env=None): + """A builder for TeX and LaTeX that scans the source file to + decide the "flavor" of the source and then executes the appropriate + program.""" + if is_LaTeX(source): + result = LaTeXAuxAction(target,source,env) + else: + result = TeXAction(target,source,env) + return result + +def TeXLaTeXStrFunction(target = None, source= None, env=None): + """A strfunction for TeX and LaTeX that scans the source file to + decide the "flavor" of the source and then returns the appropriate + command string.""" + if env.GetOption("no_exec"): + if is_LaTeX(source): + result = env.subst('$LATEXCOM',0,target,source)+" ..." + else: + result = env.subst("$TEXCOM",0,target,source)+" ..." + else: + result = '' + return result + +def tex_eps_emitter(target, source, env): + """An emitter for TeX and LaTeX sources when + executing tex or latex. It will accept .ps and .eps + graphics files + """ + (target, source) = tex_emitter_core(target, source, env, TexGraphics) + + return (target, source) + +def tex_pdf_emitter(target, source, env): + """An emitter for TeX and LaTeX sources when + executing pdftex or pdflatex. It will accept graphics + files of types .pdf, .jpg, .png, .gif, and .tif + """ + (target, source) = tex_emitter_core(target, source, env, LatexGraphics) + + return (target, source) + +def ScanFiles(theFile, target, paths, file_tests, file_tests_search, env, graphics_extensions, targetdir): + # for theFile (a Node) update any file_tests and search for graphics files + # then find all included files and call ScanFiles for each of them + content = theFile.get_text_contents() + if Verbose: + print " scanning ",str(theFile) + + for i in range(len(file_tests_search)): + if file_tests[i][0] == None: + file_tests[i][0] = file_tests_search[i].search(content) + + # recursively call this on each of the included files + inc_files = [ ] + inc_files.extend( include_re.findall(content) ) + if Verbose: + print "files included by '%s': "%str(theFile),inc_files + # inc_files is list of file names as given. need to find them + # using TEXINPUTS paths. + + for src in inc_files: + srcNode = srcNode = FindFile(src,['.tex','.ltx','.latex'],paths,env,requireExt=False) + if srcNode != None: + file_test = ScanFiles(srcNode, target, paths, file_tests, file_tests_search, env, graphics_extensions, targetdir) + if Verbose: + print " done scanning ",str(theFile) + return file_tests + +def tex_emitter_core(target, source, env, graphics_extensions): + """An emitter for TeX and LaTeX sources. + For LaTeX sources we try and find the common created files that + are needed on subsequent runs of latex to finish tables of contents, + bibliographies, indices, lists of figures, and hyperlink references. + """ + targetbase = SCons.Util.splitext(str(target[0]))[0] + basename = SCons.Util.splitext(str(source[0]))[0] + basefile = os.path.split(str(basename))[1] + + basedir = os.path.split(str(source[0]))[0] + targetdir = os.path.split(str(target[0]))[0] + abspath = os.path.abspath(basedir) + target[0].attributes.path = abspath + + # + # file names we will make use of in searching the sources and log file + # + emit_suffixes = ['.aux', '.log', '.ilg', '.blg', '.nls', '.nlg', '.gls', '.glg'] + all_suffixes + auxfilename = targetbase + '.aux' + logfilename = targetbase + '.log' + + env.SideEffect(auxfilename,target[0]) + env.SideEffect(logfilename,target[0]) + env.Clean(target[0],auxfilename) + env.Clean(target[0],logfilename) + + content = source[0].get_text_contents() + + idx_exists = os.path.exists(targetbase + '.idx') + nlo_exists = os.path.exists(targetbase + '.nlo') + glo_exists = os.path.exists(targetbase + '.glo') + + # set up list with the regular expressions + # we use to find features used + file_tests_search = [auxfile_re, + makeindex_re, + bibliography_re, + tableofcontents_re, + listoffigures_re, + listoftables_re, + hyperref_re, + makenomenclature_re, + makeglossary_re, + beamer_re ] + # set up list with the file suffixes that need emitting + # when a feature is found + file_tests_suff = [['.aux'], + ['.idx', '.ind', '.ilg'], + ['.bbl', '.blg'], + ['.toc'], + ['.lof'], + ['.lot'], + ['.out'], + ['.nlo', '.nls', '.nlg'], + ['.glo', '.gls', '.glg'], + ['.nav', '.snm', '.out', '.toc'] ] + # build the list of lists + file_tests = [] + for i in range(len(file_tests_search)): + file_tests.append( [None, file_tests_suff[i]] ) + + # TO-DO: need to add a way for the user to extend this list for whatever + # auxiliary files they create in other (or their own) packages + + # get path list from both env['TEXINPUTS'] and env['ENV']['TEXINPUTS'] + savedpath = modify_env_var(env, 'TEXINPUTS', abspath) + paths = env['ENV']['TEXINPUTS'] + if SCons.Util.is_List(paths): + pass + else: + # Split at os.pathsep to convert into absolute path + # TODO(1.5) + #paths = paths.split(os.pathsep) + paths = string.split(paths, os.pathsep) + + # now that we have the path list restore the env + if savedpath is _null: + try: + del env['ENV']['TEXINPUTS'] + except KeyError: + pass # was never set + else: + env['ENV']['TEXINPUTS'] = savedpath + if Verbose: + print "search path ",paths + + file_tests = ScanFiles(source[0], target, paths, file_tests, file_tests_search, env, graphics_extensions, targetdir) + + for (theSearch,suffix_list) in file_tests: + if theSearch: + for suffix in suffix_list: + env.SideEffect(targetbase + suffix,target[0]) + env.Clean(target[0],targetbase + suffix) + + # read log file to get all other files that latex creates and will read on the next pass + if os.path.exists(logfilename): + content = open(logfilename, "rb").read() + out_files = openout_re.findall(content) + env.SideEffect(out_files,target[0]) + env.Clean(target[0],out_files) + + return (target, source) + + +TeXLaTeXAction = None + +def generate(env): + """Add Builders and construction variables for TeX to an Environment.""" + + # A generic tex file Action, sufficient for all tex files. + global TeXAction + if TeXAction is None: + TeXAction = SCons.Action.Action("$TEXCOM", "$TEXCOMSTR") + + # An Action to build a latex file. This might be needed more + # than once if we are dealing with labels and bibtex. + global LaTeXAction + if LaTeXAction is None: + LaTeXAction = SCons.Action.Action("$LATEXCOM", "$LATEXCOMSTR") + + # Define an action to run BibTeX on a file. + global BibTeXAction + if BibTeXAction is None: + BibTeXAction = SCons.Action.Action("$BIBTEXCOM", "$BIBTEXCOMSTR") + + # Define an action to run MakeIndex on a file. + global MakeIndexAction + if MakeIndexAction is None: + MakeIndexAction = SCons.Action.Action("$MAKEINDEXCOM", "$MAKEINDEXCOMSTR") + + # Define an action to run MakeIndex on a file for nomenclatures. + global MakeNclAction + if MakeNclAction is None: + MakeNclAction = SCons.Action.Action("$MAKENCLCOM", "$MAKENCLCOMSTR") + + # Define an action to run MakeIndex on a file for glossaries. + global MakeGlossaryAction + if MakeGlossaryAction is None: + MakeGlossaryAction = SCons.Action.Action("$MAKEGLOSSARYCOM", "$MAKEGLOSSARYCOMSTR") + + global TeXLaTeXAction + if TeXLaTeXAction is None: + TeXLaTeXAction = SCons.Action.Action(TeXLaTeXFunction, + strfunction=TeXLaTeXStrFunction) + + import dvi + dvi.generate(env) + + bld = env['BUILDERS']['DVI'] + bld.add_action('.tex', TeXLaTeXAction) + bld.add_emitter('.tex', tex_eps_emitter) + + env['TEX'] = 'tex' + env['TEXFLAGS'] = SCons.Util.CLVar('-interaction=nonstopmode') + env['TEXCOM'] = 'cd ${TARGET.dir} && $TEX $TEXFLAGS ${SOURCE.file}' + + # Duplicate from latex.py. If latex.py goes away, then this is still OK. + env['LATEX'] = 'latex' + env['LATEXFLAGS'] = SCons.Util.CLVar('-interaction=nonstopmode') + env['LATEXCOM'] = 'cd ${TARGET.dir} && $LATEX $LATEXFLAGS ${SOURCE.file}' + env['LATEXRETRIES'] = 3 + + env['BIBTEX'] = 'bibtex' + env['BIBTEXFLAGS'] = SCons.Util.CLVar('') + env['BIBTEXCOM'] = 'cd ${TARGET.dir} && $BIBTEX $BIBTEXFLAGS ${SOURCE.filebase}' + + env['MAKEINDEX'] = 'makeindex' + env['MAKEINDEXFLAGS'] = SCons.Util.CLVar('') + env['MAKEINDEXCOM'] = 'cd ${TARGET.dir} && $MAKEINDEX $MAKEINDEXFLAGS ${SOURCE.file}' + + env['MAKEGLOSSARY'] = 'makeindex' + env['MAKEGLOSSARYSTYLE'] = '${SOURCE.filebase}.ist' + env['MAKEGLOSSARYFLAGS'] = SCons.Util.CLVar('-s ${MAKEGLOSSARYSTYLE} -t ${SOURCE.filebase}.glg') + env['MAKEGLOSSARYCOM'] = 'cd ${TARGET.dir} && $MAKEGLOSSARY ${SOURCE.filebase}.glo $MAKEGLOSSARYFLAGS -o ${SOURCE.filebase}.gls' + + env['MAKENCL'] = 'makeindex' + env['MAKENCLSTYLE'] = '$nomencl.ist' + env['MAKENCLFLAGS'] = '-s ${MAKENCLSTYLE} -t ${SOURCE.filebase}.nlg' + env['MAKENCLCOM'] = 'cd ${TARGET.dir} && $MAKENCL ${SOURCE.filebase}.nlo $MAKENCLFLAGS -o ${SOURCE.filebase}.nls' + + # Duplicate from pdflatex.py. If latex.py goes away, then this is still OK. + env['PDFLATEX'] = 'pdflatex' + env['PDFLATEXFLAGS'] = SCons.Util.CLVar('-interaction=nonstopmode') + env['PDFLATEXCOM'] = 'cd ${TARGET.dir} && $PDFLATEX $PDFLATEXFLAGS ${SOURCE.file}' + +def exists(env): + return env.Detect('tex') + +# Local Variables: +# tab-width:4 +# indent-tabs-mode:nil +# End: +# vim: set expandtab tabstop=4 shiftwidth=4: |