am/latex

   Redirect latexs stdin from /dev/null so it will actually fail if
   something breaks instead of waiting for input.

doc/istl/istl.tex doc/istl/comm/communication.tex
   Make it build with the new tetex in Debian/etch which uses
   pdfelatex in dvi-mode.

[[Imported from SVN: r4083]]

am/latex

@@ -2,16 +2,16 @@
 
 # rerun TEX if log-file suggests that
 .tex.dvi:
-	$(TEX) $*
+	$(TEX) </dev/null $*
 	while grep Rerun $*.log > /dev/null ; do \
-	  $(TEX) $* ; \
+	  $(TEX) </dev/null $* || exit $$?; \
 	done
 # check if Bibtex needs to be called
 	if grep '^\\citation{' *.aux > /dev/null ; then \
-	  $(BIBTEX) $* ; \
-	  $(TEX) $* ; \
+	  $(BIBTEX) $* || exit $$?; \
+	  $(TEX) </dev/null $* || exit $$?; \
 	  while grep Rerun $*.log > /dev/null ; do \
-	    $(TEX) $* ; \
+	    $(TEX) </dev/null $* || exit $$?; \
 	  done ; \
 	fi
 

doc/istl/comm/communication.tex

@@ -18,11 +18,10 @@
   stringstyle=\ttfamily, commentstyle=\it, extendedchars=true}
 
 \newif\ifpdf
-\ifx\pdfoutput\undefined
+\ifnum\ifx\pdfoutput\undefined0\else\pdfoutput\fi<1
 \pdffalse % we are not running PDFLaTeX
 \else
-\pdfoutput=1 % we are running PDFLaTeX
-\pdftrue
+\pdftrue % we are running PDFLaTeX
 \fi
 
 \ifpdf

doc/istl/istl.tex

@@ -17,11 +17,10 @@
   stringstyle=\ttfamily, commentstyle=\it, extendedchars=true}
 
 \newif\ifpdf
-\ifx\pdfoutput\undefined
+\ifnum\ifx\pdfoutput\undefined0\else\pdfoutput\fi<1
 \pdffalse % we are not running PDFLaTeX
 \else
-\pdfoutput=1 % we are running PDFLaTeX
-\pdftrue
+\pdftrue % we are running PDFLaTeX
 \fi
 
 \ifpdf