ruby-dev

Bug #4144: check_signedness("size_t")
http://redmine.ruby-lang.org/issues/show/4144

起票者: Kazuhiro NISHIYAMA
ステータス: Open, 優先度: Normal
カテゴリ: build
ruby -v: ruby 1.9.3dev (2010-12-10 trunk 30157) [i686-linux]

ext/iconv で
.../ext/iconv/iconv.c:481:5: warning: "SIGNEDNESS_OF_SIZE_T" is not defined
という警告が出ていたので調べてみたところ、 check_signedness がおかしいようです。


% ruby-trunk -v -r mkmf -e 'check_signedness("size_t")'
ruby 1.9.3dev (2010-12-10 trunk 30157) [i686-linux]
checking signedness of size_t... failed
% cat mkmf.log 
check_signedness: checking signedness of size_t... -------------------- failed

"gcc -o conftest -I/home/kazu/opt/ruby-trunk/include/ruby-1.9.1/i686-linux -I/home/kazu/opt/ruby-trunk/include/ruby-1.9.1/ruby/backward -I/home/kazu/opt/ruby-trunk/include/ruby-1.9.1 -I.  -D_FILE_OFFSET_BITS=64   -O2 -fno-tree-pre -g3 -ggdb -DRUBY_DEBUG_ENV -Wall -Wformat=2 -Wundef -Wno-parentheses  -fPIC conftest.c  -L. -L/home/kazu/opt/ruby-trunk/lib -Wl,-R/home/kazu/opt/ruby-trunk/lib -L.  -rdynamic -Wl,-export-dynamic     -Wl,-R -Wl,/home/kazu/opt/ruby-trunk/lib -L/home/kazu/opt/ruby-trunk/lib -lruby-static  -lpthread -lrt -ldl -lcrypt -lm   -lc"
checked program was:
/* begin */
1: #include "ruby.h"
2: 
3: int main() {return 0;}
/* end */

"gcc -I/home/kazu/opt/ruby-trunk/include/ruby-1.9.1/i686-linux -I/home/kazu/opt/ruby-trunk/include/ruby-1.9.1/ruby/backward -I/home/kazu/opt/ruby-trunk/include/ruby-1.9.1 -I.  -D_FILE_OFFSET_BITS=64   -O2 -fno-tree-pre -g3 -ggdb -DRUBY_DEBUG_ENV -Wall -Wformat=2 -Wundef -Wno-parentheses  -fPIC   -c conftest.c"
conftest.c:4: error: ‘rbcv_typedef_’ undeclared here (not in a function)
checked program was:
/* begin */
1: #include "ruby.h"
2:
3: /*top*/
4: int conftest_const[((rbcv_typedef_)-1 < 0) ? 1 : -1];
/* end */
  
"gcc -I/home/kazu/opt/ruby-trunk/include/ruby-1.9.1/i686-linux -I/home/kazu/opt/ruby-trunk/include/ruby-1.9.1/ruby/backward -I/home/kazu/opt/ruby-trunk/include/ruby-1.9.1 -I.  -D_FILE_OFFSET_BITS=64   -O2 -fno-tree-pre -g3 -ggdb -DRUBY_DEBUG_ENV -Wall -Wformat=2 -Wundef -Wno-parentheses  -fPIC   -c conftest.c"
conftest.c:4: error: ‘rbcv_typedef_’ undeclared here (not in a function)
checked program was:
/* begin */
1: #include "ruby.h"
2:
3: /*top*/
4: int conftest_const[((rbcv_typedef_)-1 > 0) ? 1 : -1];
/* end */
  
--------------------
  
%


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