# Rcov installation failure on Mac OS X **URL:** \ **Category:** Ruby\ **Created:** [May 7, 2006, 12:36pm UTC](https://www.ruby-forum.com/t/rcov-installation-failure-on-mac-os-x/59839 "2006-05-07T12:36:13Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![Kerry\_B](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/k/eb9ed0/32.png) [@Kerry\_B](https://www.ruby-forum.com/u/Kerry_B)\ **Post date:** [May 7, 2006, 12:36pm UTC](https://www.ruby-forum.com/t/rcov-installation-failure-on-mac-os-x/59839/1 "2006-05-07T12:36:13Z")
Hi, I’m obviously missing something fairly obvious, but I can’t seem to get rcov 0.3.0 to install (I had the same problem with the previous version, but never got round to investigating), and I can’t find anything similar in the archives or via Google. I’m running ruby 1.8.2 (2004-12-25) [powerpc-darwin8.0] under Mac OS X 10.4.6 on a G5 Mac. This is what happens: Kerrys-G5:~/Downloads/rcov-0.3.0 kerry$ sudo ruby setup.rb Password: —\> bin \<— bin —\> ext —\> ext/rcovrt /usr/bin/ruby /Users/kerry/Downloads/rcov-0.3.0/ext/rcovrt/extconf.rb creating Makefile \<— ext/rcovrt \<— ext —\> bin \<— bin —\> ext —\> ext/rcovrt make gcc -fno-common -g -Os -pipe -fno-common -pipe -fno-common -pipe - fno-common -I. -I/usr/lib/ruby/1.8/powerpc-darwin8.0 -I/usr/lib/ruby/ 1.8/powerpc-darwin8.0 -I/Users/kerry/Downloads/rcov-0.3.0/ext/ rcovrt -c rcov.c rcov.c:27: error: parse error before ‘event’ rcov.c: In function ‘coverage\_event\_hook’: rcov.c:33: error: ‘event’ undeclared (first use in this function) rcov.c:33: error: (Each undeclared identifier is reported only once rcov.c:33: error: for each function it appears in.) rcov.c:33: error: ‘RUBY\_EVENT\_C\_CALL’ undeclared (first use in this function) rcov.c:33: error: ‘RUBY\_EVENT\_C\_RETURN’ undeclared (first use in this function) rcov.c:33: error: ‘RUBY\_EVENT\_CLASS’ undeclared (first use in this function) rcov.c:36: error: ‘node’ undeclared (first use in this function) rcov.c: In function ‘cov\_install\_hook’: rcov.c:75: error: ‘RUBY\_EVENT\_ALL’ undeclared (first use in this function) rcov.c:75: error: ‘RUBY\_EVENT\_C\_CALL’ undeclared (first use in this function) rcov.c:76: error: ‘RUBY\_EVENT\_C\_RETURN’ undeclared (first use in this function) rcov.c:76: error: ‘RUBY\_EVENT\_CLASS’ undeclared (first use in this function) make: \*\*\* [rcov.o] Error 1 setup.rb:655:in `command': system("make") failed (RuntimeError) from setup.rb:664:in`make’ from setup.rb:1258:in `setup_dir_ext' from setup.rb:1532:in` **send** ’ from setup.rb:1532:in `traverse' from setup.rb:1530:in`dive\_into’ from setup.rb:1530:in `traverse' from setup.rb:1534:in`traverse’ from setup.rb:1533:in `each' ... 7 levels... from setup.rb:996:in`exec\_setup’ from setup.rb:813:in `invoke' from setup.rb:773:in`invoke’ from setup.rb:1578 Thanks in advance to anyone who can point me in the right direction. Kerry ---
**Author:** ![Kerry\_B](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/k/eb9ed0/32.png) [@Kerry\_B](https://www.ruby-forum.com/u/Kerry_B)\ **Post date:** [May 8, 2006, 3:09am UTC](https://www.ruby-forum.com/t/rcov-installation-failure-on-mac-os-x/59839/2 "2006-05-08T03:09:59Z")
Quoting removed\_email\_address@domain.invalid, on Sun, May 07, 2006 at 07:34:08PM +0900: > I’m obviously missing something fairly obvious, but I can’t seem to > get rcov 0.3.0 to install (I had the same problem with the previous > version, but never got round to investigating), and I can’t find > anything similar in the archives or via Google. I’m running ruby > 1.8.2 (2004-12-25) [powerpc-darwin8.0] under Mac OS X 10.4.6 on a G5 > Mac. … > rcov.c:33: error: ‘RUBY\_EVENT\_C\_CALL’ undeclared (first use in this > function) I’m not sure that the stock OS X ruby contains the headers and libraries required to build C extensions. I would look for ruby.h. If you don’t have it, you can’t build the extension. Cheers, Sam ---
**Author:** ![Kerry\_B](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/k/eb9ed0/32.png) [@Kerry\_B](https://www.ruby-forum.com/u/Kerry_B)\ **Post date:** [May 8, 2006, 3:34am UTC](https://www.ruby-forum.com/t/rcov-installation-failure-on-mac-os-x/59839/3 "2006-05-08T03:34:10Z")
On May 7, 2006, at 9:08 PM, Sam R. wrote: > Cheers, > Sam It does, but they are in “unfortunate” locations. /usr/lib/ruby/1.8/universal-darwin8.0 is where some of the header files live. Others and the bundles are in the right locations. You can make symlinks or you can install ruby from source. ---
**Author:** ![Kerry\_B](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/k/eb9ed0/32.png) [@Kerry\_B](https://www.ruby-forum.com/u/Kerry_B)\ **Post date:** [May 8, 2006, 10:50pm UTC](https://www.ruby-forum.com/t/rcov-installation-failure-on-mac-os-x/59839/4 "2006-05-08T22:50:31Z")
On 8 May 2006, at 2:32 am, Logan C. wrote: > Others and the bundles are in the right locations. You can make > symlinks or you can install ruby from source. Just installed ruby 1.8.4 using darwinports, and now all is well. Thanks to everyone who replied! Kerry ---
**Author:** ![Kerry\_B](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/k/eb9ed0/32.png) [@Kerry\_B](https://www.ruby-forum.com/u/Kerry_B)\ **Post date:** [May 8, 2006, 1:44pm UTC](https://www.ruby-forum.com/t/rcov-installation-failure-on-mac-os-x/59839/5 "2006-05-08T13:44:07Z")
Hi, On Sun, May 07, 2006 at 07:34:08PM +0900, Kerry B. wrote: > creating Makefile > […] > rcov.c:33: error: ‘RUBY\_EVENT\_C\_CALL’ undeclared (first use in this > […] > Thanks in advance to anyone who can point me in the right direction. The rcovrt extension uses the event\_hook subsystem which was added in Ruby 1.8.3, so you can either install rcov without the extension (it will be much slower though), with sudo ruby setup.rb all --without-ext or upgrade Ruby to 1.8.4, or better yet to a stable snapshot[1], which fixes amongst other bugs the symbol/object collision that happened quite often on OSX. I will update the documentation to reflect this. HTH [1] ftp://ftp.ruby-lang.org/pub/ruby/stable-snapshot.tar.gz