If the Ada compiler is configured with --exec-prefix, it will fail as follows:
[chr...@lt ~]$ gcc -c -O2 -v hello.adb
Using built-in specs.
Target: i686-pc-linux-gnu
Configured with: /usr/src/gcc/configure --prefix=/opt/test
--exec-prefix=/opt/test/i86 --enable-shared --enable-threads=posix
--enable-checking --with-system-zlib --enable-__cxa_atexit
--disable-libunwind-exceptions --enable-libgcj-multifile
--enable-languages=c,ada --enable-libada
Thread model: posix
gcc version 4.4.0 20081030 (experimental) [trunk revision 141459] (GCC)
COLLECT_GCC_OPTIONS='-c' '-O2' '-v' '-mtune=generic'
/opt/test/i86/libexec/gcc/i686-pc-linux-gnu/4.4.0/gnat1 -quiet -dumpbase
hello.adb -O2 -mtune=generic hello.adb -o /tmp/ccNCLjVf.s
fatal error, run-time library not installed correctly
cannot locate file system.ads
compilation abandoned
--
Summary: Ada compiler does not work with --exec-prefix
configuration
Product: gcc
Version: 4.4.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: ada
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: chrisp_42 at bigpond dot com
GCC target triplet: i686-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38493
