Re: Failing to compile trunk under Ubuntu

Brian Candler wrote:
>> What version of GCC do you have? What revision number of trunk is this? 
> 
> $ gcc -v
> Using built-in specs.
> Target: i486-linux-gnu
> Configured with: ../src/configure -v --enable-languages=c,c++,java,f95,objc,ada,treelang --prefix=/usr --enable-shared --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --enable-nls --program-suffix=-4.0 --enable-__cxa_atexit --enable-clocale=gnu --enable-libstdcxx-debug --enable-java-awt=gtk-default --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.4.2-gcj-4.0-1.4.2.0/jre --enable-mpfr --disable-werror --with-tune=pentium4 --enable-checking=release i486-linux-gnu
> Thread model: posix
> gcc version 4.0.3 (Ubuntu 4.0.3-1ubuntu5)
> 
> $ svn info
> Path: .
> URL: http://svn.ruby-lang.org/repos/ruby/trunk
> Repository Root: http://svn.ruby-lang.org/repos/ruby
> Repository UUID: b2dd03c8-39d4-4d8f-98ff-823fe69b080e
> Revision: 13952
> Node Kind: directory
> Schedule: normal
> Last Changed Author: suke
> Last Changed Rev: 13952
> Last Changed Date: 2007-11-17 15:04:55 +0000 (Sat, 17 Nov 2007)
> Properties Last Updated: 2007-11-17 17:45:58 +0000 (Sat, 17 Nov 2007)
> 
>> I have GCC 4.2.2 and it works for me.
> 
> I don't see a note in the README about a particular compiler version being
> required. ruby 1.8 is very portable, and it would be a shame if ruby 1.9 did
> not compile on a common OS, or it used an esoteric feature of C :-(
> 
> Maybe it's more a question of what version of bison I have:
> 
> $ bison --version
> bison (GNU Bison) 2.1
> Written by Robert Corbett and Richard Stallman.
> ... snip
> 
> I tried commenting out the offending line:
> 
> --- parse.c.orig        2007-11-17 20:37:56.000000000 +0000
> +++ parse.c     2007-11-17 20:54:43.000000000 +0000
> @@ -4201,7 +4201,7 @@
> 
>    if (!yymsg)
>      yymsg = "Deleting";
> -  YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
> +  // YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
> 
>    switch (yytype)
>      {
> 
> This made the compile go further but it stopped again here with an almost
> identical error:
> 
> make[1]: Entering directory `/v/build/ruby-trunk/ext/ripper'
> gcc -I. -I../../.ext/include/i686-linux -I../.././include -I../.././ext/ripper -I../.. -I../../. -DRUBY_EXTCONF_H=\"extconf.h\"  -D_FILE_OFFSET_BITS=64  -fPIC -g -O2  -c ripper.c
> parse.c: In function ‘yydestruct’:
> parse.c:4204: error: ‘parser’ undeclared (first use in this function)
> parse.c:4204: error: (Each undeclared identifier is reported only once
> parse.c:4204: error: for each function it appears in.)
> make[1]: *** [ripper.o] Error 1
> make[1]: Leaving directory `/v/build/ruby-trunk/ext/ripper'
> make: *** [all] Error 1
> 
> So I commented out this line too:
> 
> --- ext/ripper/ripper.c.orig        2007-11-17 20:53:12.000000000 +0000
> +++ ext/ripper/ripper.c 2007-11-17 20:53:12.000000000 +0000
> @@ -4201,7 +4201,7 @@
> 
>    if (!yymsg)
>      yymsg = "Deleting";
> -  YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
> +  // YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
> 
>    switch (yytype)
>      {
> 
> and now the compile completes successfully.
> 
> $ ./ruby -v
> ruby 1.9.0 (2007-11-17 patchlevel 0) [i686-linux]
> 
> Regards,
> 
> Brian.
> 
> 
My bison is:

$ bison --version
bison (GNU Bison) 2.3
Written by Robert Corbett and Richard Stallman.

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