Port Bug Report: No rules for make

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                        POSTGRESQL BUG REPORT TEMPLATE
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Your name        : Sam Kim
Your email address    : oldman@bu.edu

Category        : install: compile
Severity        : serious

Summary: No rules for make

System Configuration
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  Operating System   : Linux 2.0.36 (Redhat)

  PostgreSQL version : 6.4.2

  Compiler used      : gcc 2.8.0

Hardware:
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Pentium 2, 128M RAM

Versions of other tools:
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flex 2.5.4
gmake 3.77

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Problem Description:
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ld -r -o SUBSYS.o geqo_copy.o geqo_eval.o geqo_main.o geqo_misc.o geqo_params.o geqo_paths.o geqo_pool.o
geqo_recombination.ogeqo_selection.o geqo_erx.o geqo_pmx.o geqo_cx.o geqo_px.o geqo_ox1.o geqo_ox2.o 
gmake[3]: Leaving directory `/usr/local/src/pgsql/src/backend/optimizer/geqo'
for i in path plan prep util geqo; do gmake -C $i util/SUBSYS.o; done
gmake[3]: Entering directory `/usr/local/src/pgsql/src/backend/optimizer/path'
gmake[3]: *** No rule to make target `util/SUBSYS.o'.  Stop.
gmake[3]: Leaving directory `/usr/local/src/pgsql/src/backend/optimizer/path'
gmake[3]: Entering directory `/usr/local/src/pgsql/src/backend/optimizer/plan'
gmake[3]: *** No rule to make target `util/SUBSYS.o'.  Stop.
gmake[3]: Leaving directory `/usr/local/src/pgsql/src/backend/optimizer/plan'
gmake[3]: Entering directory `/usr/local/src/pgsql/src/backend/optimizer/prep'
gmake[3]: *** No rule to make target `util/SUBSYS.o'.  Stop.
gmake[3]: Leaving directory `/usr/local/src/pgsql/src/backend/optimizer/prep'
gmake[3]: Entering directory `/usr/local/src/pgsql/src/backend/optimizer/util'
gmake[3]: *** No rule to make target `util/SUBSYS.o'.  Stop.
gmake[3]: Leaving directory `/usr/local/src/pgsql/src/backend/optimizer/util'
gmake[3]: Entering directory `/usr/local/src/pgsql/src/backend/optimizer/geqo'
gmake[3]: *** No rule to make target `util/SUBSYS.o'.  Stop.
gmake[3]: Leaving directory `/usr/local/src/pgsql/src/backend/optimizer/geqo'
gmake[2]: *** [util/SUBSYS.o] Error 2
gmake[2]: Leaving directory `/usr/local/src/pgsql/src/backend/optimizer'
gmake[1]: *** [optimizer.dir] Error 2
gmake[1]: Leaving directory `/usr/local/src/pgsql/src/backend'
gmake: *** [all] Error 2

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Test Case:
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I followed the installation instruction step by step and this occured.

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Solution:
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