Port Bug Report: compile errors for embedded sql (in c)

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POSTGRESQL BUG REPORT TEMPLATE
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Your name : Nathan
Your email address : nathan(at)khmere(dot)com

Category : unknown
Severity : non-critical

Summary: compile errors for embedded sql (in c)

System Configuration
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Operating System : Linux 2.2.5-15smp i586 (redHat 6.0)

PostgreSQL version : 6.4.2-3

Compiler used : gcc 2.7

Hardware:
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Linux ns4.khmere.com 2.2.5-15smp #1 SMP Mon Apr 19 22:03:51 EDT 1999 i586 unknown

Versions of other tools:
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make and just straight gcc

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Problem Description:
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I get this error when I complie ?
(I am not a new 'c' programmer but I am new to embedded sql)
/usr/lib/libecpg.so: undefined reference to `crypt'
collect2: ld returned 1 exit status

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Test Case:
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This is what I use to compile
gcc -g -o 2easql 2easql.c -I /usr/include/pgsql/
-L /usr/include/pgsql/lib -lecpg -lpq

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Solution:
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