| This file is free documentation; the Free Software Foundation gives |
This file is free documentation; the Free Software Foundation gives |
| unlimited permission to copy, distribute and modify it. |
unlimited permission to copy, distribute and modify it. |
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| You need gcc version 2.0 or later to compile gforth. |
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Prerequisites |
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You need gcc version 2.0 or later to compile gforth. Recommended: |
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gcc-2.95.* (other versions produce slower code). |
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To use the new C interface, you need to install the ffcall libraries |
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before configuring Gforth. You can find them on |
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ftp://ftp.santafe.edu/pub/gnu/ffcall-1.8.tar.gz (USA) |
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ftp://ftp.ilog.fr/pub/Users/haible/gnu/ffcall-1.8.tar.gz (Europe) |
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Building and Installing |
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| First, type |
First, type |
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| Moreover, if your GCC is not called gcc (but, e.g., gcc-2.7.1), you |
Moreover, if your GCC is not called gcc (but, e.g., gcc-2.7.1), you |
| should say so during configuration. E.g.: |
should say so during configuration. E.g.: |
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| env CC=gcc-2.7.1 ./configure |
./configure CC=gcc-2.7.1 |
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| You can also pass additional options to gcc in this way, e.g., if you |
You can also pass additional options to gcc in this way, e.g., if you |
| want to generate an a.out executable under Linux with gcc-2.7.0: |
want to generate an a.out executable under Linux with gcc-2.7.0: |
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| env "CC=gcc -b i486-linuxaout -V 2.7.0" ./configure |
./configure CC="gcc -b i486-linuxaout -V 2.7.0" |
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| You can change the sizes of the various areas used in the default |
You can change the sizes of the various areas used in the default |
| image `gforth.fi' by passing the appropriate Gforth command line |
image `gforth.fi' by passing the appropriate Gforth command line |
| options in the FORTHSIZES environment variable: |
options in the FORTHSIZES environment variable: |
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| env "FORTHSIZES=--dictionary-size=256k --data-stack-size=16k --fp-stack-size=15872b --return-stack-size=15k --locals-stack-size=14848b" ./configure |
./configure "FORTHSIZES=--dictionary-size=256k --data-stack-size=16k --fp-stack-size=15872b --return-stack-size=15k --locals-stack-size=14848b" |
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| The line above reaffirms the default sizes. Note that the locals |
The line above reaffirms the default sizes. Note that the locals |
| stack area is also used as input buffer stack. |
stack area is also used as input buffer stack. |
| tests involving double-cell numbers fail), you can build Gforth such |
tests involving double-cell numbers fail), you can build Gforth such |
| that it does not use "long long": |
that it does not use "long long": |
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| env ac_cv_sizeof_long_long=0 ./configure |
./configure ac_cv_sizeof_long_long=0 |
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| Cross-Installation |
Cross-Installation |
| 2. Create a file called 'dir' in 'usr/local/info'. Use the file |
2. Create a file called 'dir' in 'usr/local/info'. Use the file |
| '/usr/info/dir' as a template. You can add the line for gforth |
'/usr/info/dir' as a template. You can add the line for gforth |
| manually, or use '/sbin/install-info' (man install-info for details). |
manually, or use '/sbin/install-info' (man install-info for details). |
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