Port Bug Report: parse error in "pgtclId.h" file ???

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POSTGRESQL BUG REPORT TEMPLATE
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Your name : Jean-Luc Commeau
Your email address : commeau(at)ensta(dot)fr

Category : install: compile
Severity : critical

Summary: parse error in "pgtclId.h" file ???

System Configuration
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Operating System : solaris-2.5.1

PostgreSQL version : 6.4.2

Compiler used : gcc 2.7

Hardware:
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SUN sparc4

Versions of other tools:
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gmake 3.77
flex 2.5.4

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Problem Description:
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In "postgresql-6.4.2/src/interfaces/libpgtcl" directory,
during the compilation of "pgtcl.c" with gcc the following
error message appears :
gcc -I../../include -I../../backend -Wall -Wmissing-prototypes -I../../backend -I../../include -I../../interfaces/libpq -fPIC -c pgtcl.c -o pgtcl.o
In file included from pgtcl.c:22:
pgtclId.h:61: parse error before `Pg_ConnType'
pgtclId.h:61: warning: data definition has no type or storage class
pgtcl.c: In function `Pgtcl_Init':
pgtcl.c:129: warning: implicit declaration of function `Tcl_PkgProvide'
gmake[2]: *** [pgtcl.o] Error 1
....
gmake: *** [all] Error 2

Could you help me ?

Thanks in advance.

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Test Case:
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Solution:
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no patch included

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