>>12です．みごと失敗しました．(solaris7+gcc2.95.3)
試行錯誤して，インストールはできたのですが，
gcjの実行に失敗しました．

・binutils-2.11 をインストール
・./configure --with-ld=/usr/local/bin/ld --with-as=/usr/local/bin/as

% gcj -v
Reading specs from /usr/local/lib/gcc-lib/sparc-sun-solaris2.7/3.0/specs
Reading specs from libgcj.spec
gcj: libgcj.spec: No such file or directory

% gcc-3.0/sparc-sun-solaris2.7/libjava/gij -v

couldn't set locale correctly
ld.so.1: gij: fatal: relocation error: R_SPARC_32:
file /tmp/gcc-3.0/sparc-sun-solaris2.7/libjava/./.libs/libgcj.so.2:
symbol __gcj_personality_v0: offset 0xff2de359 is non-aligned

ld.so.1: gij: fatal: relocation error: R_SPARC_32:
file /tmp/gcc-3.0/sparc-sun-solaris2.7/libjava/./.libs/libgcj.so.2:
symbol __gcj_personality_v0: offset 0xff2de899 is non-aligned

ld.so.1: gij: fatal: relocation error: R_SPARC_32:
file /tmp/gcc-3.0/sparc-sun-solaris2.7/libjava/./.libs/libgcj.so.2:
symbol __gcj_personality_v0: offset 0xff2de95a is non-aligned

Bus error (core dumped)