From: Tanaka Akira <akr@...17n.org>
Date: 2002-03-28T16:33:49+09:00
Subject: [ruby-dev:16636] -L for iconv

FreeBSD $B$G(B --prefix $B$D$-$G(B Ruby $B$r(B install $B$9$k$H$-$K!"(Bext/iconv $B$r;H(B
$B$&$K$O$I$&$7$?$i$$$$$s$G$7$g$&$+(B?

/usr/local $B$K(B install $B$7$F$"$k(B libiconv $B$r;H$*$&$H;W$C$?$N$G$9$,!"(B

% CPPFLAGS=-I/usr/local/include LDFLAGS='-L/usr/local/lib' ./configure --prefix=/home/akr/src/ruby  
...
% make
...
compiling iconv
gcc -fPIC -g -O2 -I/usr/home/akr/src/ruby/ruby -I/usr/home/akr/src/ruby/ruby -I/home/akr/src/ruby/include -DHAVE_ICONV_H -I/usr/local/include -c iconv.c
iconv.c: In function `iconv_try':
iconv.c:154: warning: passing arg 2 of `iconv' from incompatible pointer type
gcc -shared -Wl,-soname,iconv.so -L/usr/home/akr/src/ruby/ruby -L/home/akr/src/ruby/lib -o iconv.so iconv.o  -lc 
...

$B$H$$$&$h$&$K!"(Biconv.so $B$N@8@.;~$K(B -L/usr/local/lib $B$,$D$+$J$$$?$a!"(B

% make install
...
% ruby -vriconv -e 'p Iconv.iconv("ISO-2022-JP", "EUC-JP", "")' 
ruby 1.7.2 (2002-03-27) [i386-freebsd4.2]
/usr/libexec/ld-elf.so.1: /home/akr/src/ruby/lib/ruby/1.7/i386-freebsd4.2/iconv.so: Undefined symbol "iconv_open"

$B$H$$$&$h$&$K<B9T;~$K(B iconv_open $B$,8+$D$+$i$J$$$H$$$o$l$F$7$^$$$^$9!#(B
($B<jF0$G(B iconv.so $B$r(B -L/usr/local/lib $BIU$-$G:n$j$J$*$7$F(B install $B$9$l$PF0$-$^$9!#(B)

ext $B$N(B shared library $B$N@8@.;~$K(B(configure $B$K(B LDFLAGS $B$H$7$F;XDj$7$?(B)
-L/usr/local/lib $B$r$D$1$5$;$k$K$O$I$&$7$?$i$$$$$s$G$7$g$&(B?
-- 
[$BEDCf(B $BE/(B][$B$?$J$+(B $B$"$-$i(B][Tanaka Akira]
$B!V$U$($m(B! $B$o$+$a$A$c$s:n@o$G$9$(C"=$B!W(B(Little Worker, $B7KM7@84](B)