Updated the libgpc.a build instructions with an important note.
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README.gpc
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README.gpc
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@ -12,7 +12,7 @@ distribution.
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This library comes as a single source file and header with no build
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This library comes as a single source file and header with no build
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directions. So, here are some directions contributed by Riley Rainey
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directions. So, here are some directions contributed by Riley Rainey
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<riley.rainey@websimulations.com>:
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<riley.rainey@websimulations.com> with additional notes by Curt Olson:
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1. Download the GPC library source code from URL:
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1. Download the GPC library source code from URL:
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@ -21,20 +21,31 @@ directions. So, here are some directions contributed by Riley Rainey
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2. Unpack it; the current version seems to be 2.30:
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2. Unpack it; the current version seems to be 2.30:
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$ zcat gpc230.tar.Z | tar xvf -
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$ zcat gpc231.tar.Z | tar xvf -
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3. Copy in the Makefile attached to this message:
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3. ***IMPORTANT STEP*** ***DO NOT SKIP***
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$ cp Makefile ./gpc230
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This is important step if you want to use gpc to generate quality
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scenery!
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4. Check install paths. Edit the Makefile and make sure the install
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Before building the library, edit the gpc.h file and change
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GPC_EPSILON to something bigger. You may experiment with this
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value, but the following seems to work well for me:
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#define GPC_EPSILON (0.000001)
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4. Copy in the Makefile attached to this message:
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$ cp Makefile ./gpc231
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5. Check install paths. Edit the Makefile and make sure the install
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paths are satisfactory. Also make sure that all the make commands
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paths are satisfactory. Also make sure that all the make commands
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have leading tabs (i.e. that the tabs aren't expanded out into 8
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have leading tabs (i.e. that the tabs aren't expanded out into 8
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spaces) otherwise the make will fail.
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spaces) otherwise the make will fail.
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5. Build and install it:
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6. Build and install it:
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$ cd ./gpc230
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$ cd ./gpc231
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$ make
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$ make
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$ su
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$ su
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Password:
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Password:
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@ -43,7 +54,7 @@ directions. So, here are some directions contributed by Riley Rainey
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-------------------------- snip ------------------------------
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-------------------------- snip ------------------------------
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# Unix/Linux makefile for GPC 2.30
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# Unix/Linux makefile for GPC 2.31
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#
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#
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# Riley Rainey (riley.rainey@websimulations.com)
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# Riley Rainey (riley.rainey@websimulations.com)
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