yann@2438: If we're using a cvs snapshot which updates the source files, and
yann@2438: perl isn't installed yet, then we can't regen the docs.  Not a big
yann@2438: deal, so just whine a little and continue on our merry way.
yann@2438: 
yann@2438: http://bugs.gentoo.org/60132
yann@2438: 
yann@2438: diff -durN glibc-2.13.orig/manual/Makefile glibc-2.13/manual/Makefile
yann@2438: --- glibc-2.13.orig/manual/Makefile	2006-01-08 07:43:47.000000000 +0100
yann@2438: +++ glibc-2.13/manual/Makefile	2009-11-13 00:49:54.000000000 +0100
yann@2438: @@ -104,9 +104,14 @@
yann@2438:  libm-err.texi: stamp-libm-err
yann@2438:  stamp-libm-err: libm-err-tab.pl $(wildcard $(foreach dir,$(sysdirs),\
yann@2438:  						     $(dir)/libm-test-ulps))
yann@2438: +ifneq ($(PERL),no)
yann@2438:  	pwd=`pwd`; \
yann@2438:  	$(PERL) $< $$pwd/.. > libm-err-tmp
yann@2438:  	$(move-if-change) libm-err-tmp libm-err.texi
yann@2438: +else
yann@2438: +	echo "Unable to rebuild math docs, no perl installed"
yann@2438: +	touch libm-err.texi
yann@2438: +endif
yann@2438:  	touch $@
yann@2438:  
yann@2438:  # Generate Texinfo files from the C source for the example programs.