*** avr-libc/doc/api/Makefile.am.org	2014-06-04 12:52:19.029957750 +0200
--- avr-libc/doc/api/Makefile.am	2014-06-04 12:52:32.273985630 +0200
***************
*** 227,233 ****
  dox-pdf: $(USER_MANUAL).pdf
  
  $(USER_MANUAL).pdf: latex_src/refman.tex
! 	cd latex_src && ${MAKE} refman.pdf
  	cp latex_src/refman.pdf $(USER_MANUAL).pdf
  
  # Install rules for the various documentation parts.  The actual
--- 227,233 ----
  dox-pdf: $(USER_MANUAL).pdf
  
  $(USER_MANUAL).pdf: latex_src/refman.tex
! 	-cd latex_src && ${MAKE} refman.pdf
  	cp latex_src/refman.pdf $(USER_MANUAL).pdf
  
  # Install rules for the various documentation parts.  The actual
