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doc: add example for building with constrained resources 

discussed in github issue #6658
This commit is contained in:
Jarret Dyrbye 2016-01-27 20:17:02 -07:00
parent 473ad1bb02
commit f9298cc60e
1 changed files with 7 additions and 4 deletions
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doc/build-unix.md
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@ -50,12 +50,15 @@ Optional dependencies:
For the versions used in the release, see [release-process.md](release-process.md) under *Fetch and build inputs*. For the versions used in the release, see [release-process.md](release-process.md) under *Fetch and build inputs*.
System requirements Memory Requirements
-------------------- --------------------
C++ compilers are memory-hungry. It is recommended to have at least 1 GB of C++ compilers are memory-hungry. It is recommended to have at least 1.5 GB of
memory available when compiling Bitcoin Core. With 512MB of memory or less memory available when compiling Bitcoin Core. On systems with less, gcc can be
compilation will take much longer due to swap thrashing. tuned to conserve memory with additional CXXFLAGS:
./configure CXXFLAGS="--param ggc-min-expand=1 --param ggc-min-heapsize=32768"
Dependency Build Instructions: Ubuntu & Debian Dependency Build Instructions: Ubuntu & Debian
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