# Missing dependence in Makefile

**URL:** <https://www.ruby-forum.com/t/missing-dependence-in-makefile/187520>\
**Category:** Ruby\
**Created:** [April 24, 2010, 6:09pm UTC](https://www.ruby-forum.com/t/missing-dependence-in-makefile/187520 "2010-04-24T18:09:38Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![o01eg](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/o/e9a140/32.png) [@o01eg](https://www.ruby-forum.com/u/o01eg)\
**Post date:** [April 24, 2010, 6:09pm UTC](https://www.ruby-forum.com/t/missing-dependence-in-makefile/187520/1 "2010-04-24T18:09:38Z")

</div>

When I try compile ruby with `make -j5` I got such messages:

ruby ./tool/generic\_erb.rb --output=id.h   
./template/id.h.tmpl  
–vpath=.ext/include/x86\_64-linux/ruby:./include/ruby:./enc:./missing  
parse.h  
id.h updated  
gcc -O2 -march=core2 -mtune=core2 -msse -msse2 -msse3 -mmmx -O0 -ggdb3  
-fPIC -I. -I.ext/include/x86\_64-linux -I./include -I. -DRUBY\_EXPORT -o  
unicode.o -c ./enc/unicode.c  
gcc -O2 -march=core2 -mtune=core2 -msse -msse2 -msse3 -mmmx -O0 -ggdb3  
-fPIC -I. -I.ext/include/x86\_64-linux -I./include -I. -DRUBY\_EXPORT -o  
newline.o -c newline.c  
Generating RDoc documentation  
./miniruby -I./lib -I.ext/common -I./- -r./ext/purelib.rb  
./tool/runruby.rb --extout=.ext – “./bin/rdoc” --no-force-update --all  
–ri --op “.ext/rdoc” “.”  
gcc -O2 -march=core2 -mtune=core2 -msse -msse2 -msse3 -mmmx -O0 -ggdb3  
-fPIC -I. -I.ext/include/x86\_64-linux -I./include -I. -DRUBY\_EXPORT -o  
dmyversion.o -c dmyversion.c  
gcc -O2 -march=core2 -mtune=core2 -msse -msse2 -msse3 -mmmx -O0 -ggdb3  
-fPIC -I. -I.ext/include/x86\_64-linux -I./include -I. -DRUBY\_EXPORT -o  
miniprelude.o -c miniprelude.c  
gcc -O2 -march=core2 -mtune=core2 -msse -msse2 -msse3 -mmmx -O0 -ggdb3  
-fPIC -I. -I.ext/include/x86\_64-linux -I./include -I. -DRUBY\_EXPORT -o  
class.o -c class.c  
/bin/sh: ./miniruby: No such file or directory  
make: \*\*\* [rdoc] Error 127  
make: \*\*\* Waiting for unfinished jobs…

When I compile in one thread miniruby compiles and this error doesn’t  
occure.