Compilation fails on 1.8.7-head (rvm) - warnings treated as errors

[aslakhellesoy]

Sample output:

$ rvm 1.8.7-head
$ rake clean compile

(snip)

gcc -I. -I/Users/aslakhellesoy/.rvm/ruby-1.8.7-head/include/ruby-1.9.1/i386-darwin9.8.0 -I/Users/aslakhellesoy/.rvm/ruby-1.8.7-head/include/ruby-1.9.1/ruby/backward -I/Users/aslakhellesoy/.rvm/ruby-1.8.7-head/include/ruby-1.9.1 -I../../../../ext/gherkin_lexer_ar -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE   -fno-common -O3 -ggdb -Wextra -Wno-unused-parameter -Wno-parentheses -Wpointer-arith -Wwrite-strings -Wno-missing-field-initializers -Wshorten-64-to-32 -Wno-long-long  -pipe -O0 -Wall -Werror  -o gherkin_lexer_ar.o -c ../../../../ext/gherkin_lexer_ar/gherkin_lexer_ar.c
cc1: warnings being treated as errors
/Users/aslakhellesoy/scm/gherkin/tasks/../ragel/i18n/ar.c.rl: In function ‘CLexer_scan’:
/Users/aslakhellesoy/scm/gherkin/tasks/../ragel/i18n/ar.c.rl:215: warning: comparison between signed and unsigned
/Users/aslakhellesoy/scm/gherkin/tasks/../ragel/i18n/ar.c.rl:215: warning: comparison between signed and unsigned
/Users/aslakhellesoy/scm/gherkin/tasks/../ragel/i18n/ar.c.rl:376: warning: comparison between signed and unsigned
/Users/aslakhellesoy/scm/gherkin/tasks/../ragel/i18n/ar.c.rl:377: warning: comparison between signed and unsigned
/Users/aslakhellesoy/scm/gherkin/tasks/../ragel/i18n/ar.c.rl:378: warning: comparison between signed and unsigned
{standard input}:5568:non-relocatable subtraction expression, "_rb_eGherkinLexerError" minus "L00000000005$pb"
{standard input}:5568:symbol: "_rb_eGherkinLexerError" can't be undefined in a subtraction expression
gmake: *** [gherkin_lexer_ar.o] Error 1
rake aborted!
Command failed with status (2): [gmake...]

Instead of allowing warnings I think it's safest to fix this. Not sure why the other rubies don't error out.

[aslakhellesoy]

Mike or Greg - could you take a look at this?

[ghnatiuk]

2c58ca5 should fix it.

I showed the same errors on 1.9.1 using the same compilation flags, actually.

[aslakhellesoy]

Thanks Greg!