Port Bug Report: cannot install due to file not found

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POSTGRESQL BUG REPORT TEMPLATE
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Your name : Philippe Lefevre
Your email address : ph(dot)lefevre(at)wanadoo(dot)fr

Category : unknown
Severity : non-critical

Summary: cannot install due to file not found

System Configuration
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Operating System : RedHat 5.1 (k 2.0.34)

PostgreSQL version : 6.4

Compiler used : gcc2.7.2.3-11

Hardware:
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Pentium 100

Versions of other tools:
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Problem Description:
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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 rpertoire de ce type.
gmake[2]: *** [pgenv.o] Error 1

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

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Test Case:
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See on below

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Solution:
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