PostgreSQL failed to compile

If PostgreSQL failed to compile on your computer or you found a bug that
is likely to be specific to one platform then please fill out this form
and e-mail it to pgsql-ports@postgresql.org.

To report any other bug, fill out the form below and e-mail it to
pgsql-bugs@postgresql.org.

If you not only found the problem but solved it and generated a patch
then e-mail it to pgsql-patches@postgresql.org instead.  Please use the
command "diff -c" to generate the patch.

You may also enter a bug report at http://www.postgresql.org/ instead of
e-mail-ing this form.

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                        POSTGRESQL BUG REPORT TEMPLATE
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Your name        : Philippe LEFEVRE
Your email address    : ph.lefevre@wanadoo.fr


System Configuration
---------------------
  Architecture (example: Intel Pentium)      : Pentium 100

  Operating System (example: Linux 2.0.26 ELF)     : RedHat 5.1 kernel
2.0.34

  PostgreSQL version (example: PostgreSQL-6.4)  : PostgreSQL-6.4

  Compiler used (example:  gcc 2.8.0)        : gcc 2.7.2.3-11
                                               : egcs 1.0.2-8
                                               : egcs-c++ 1.0.2-8

Please enter a FULL description of your problem:
------------------------------------------------

1)  doing: ./configure --prefix=/u/postgres/pgsql --with-tcl --with-odbc
--enable-locale   is OK

2)  doing: make all I've got the following

gmake[2]: Entering directory
`/usr/src/postgresql-v6.4/src/interfaces/libpq++'
c++  -I../../backend -I../../include -I../../interfaces/libpq
-I../../include -I
../../backend   -O2  -Wall -Wmissing-prototypes -fpic   -c pgenv.cc -o
pgenv.o
In file included from pgenv.cc:23:
pgenv.h:21: string: Aucun fichier ou répertoire de ce type.
gmake[2]: *** [pgenv.o] Error 1


PS: "Aucun fichier ou répertoire de ce type" means no such file or
directory


Please describe a way to repeat the problem.   Please try to provide a
concise reproducible example, if at all possible:
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Second step of an install from scratch.



If you know how this problem might be fixed, list the solution below:
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Sorry it seems that a file is missing !



Thanks for your help !