gcc 3.2's cpp breaks configure scripts

[Gabriel Dos Reis]

"John David Anglin" <dave@hiauly1.hia.nrc.ca> writes:

[...]

| libstdc++ headers are installed in /opt/gnu/include unless the
| gcc prefix is /usr/local, in which case they are installed in
| /usr/local/include.  I stopped installing gcc and packages in
| /usr/local since I need to install multiple configurations
| (32-bit and 64-bit, etc).  It appears that installing gcc with
| --prefix=/usr/local will effectively prevent other installations
| from working properly as the g++-v3 headers will always be
| found in /usr/local unless the user reorders the system headers.
| The same is true for any package which installs headers to
| /usr/local.  It might be better if the v3 headers were in
| /opt/gnu/lib/gcc-lib/hppa2.0w-hp-hpux11.00/3.1.1/include.

Please note that with current source, V3 is installed in
${prefix}/include/c++/${version}/; and within that directory,
target-specific headers are installed in appropriate subdirectory.

-- Gaby