aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorJarret Dyrbye <jarret.dyrbye@gmail.com>2016-01-27 20:17:02 -0700
committerJarret Dyrbye <jarret.dyrbye@gmail.com>2016-01-27 20:17:02 -0700
commitf9298cc60e093533ce109aedd7d54d59e87865cd (patch)
treead5ccdccb5fc12519808378cf80ef0c6eba3e0de
parent473ad1bb026986db2569fff278d8957363f758f8 (diff)
doc: add example for building with constrained resources
discussed in github issue #6658
-rw-r--r--doc/build-unix.md11
1 files changed, 7 insertions, 4 deletions
diff --git a/doc/build-unix.md b/doc/build-unix.md
index 31bbab7f0f..943bfadb91 100644
--- a/doc/build-unix.md
+++ b/doc/build-unix.md
@@ -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*.
-System requirements
+Memory Requirements
--------------------
-C++ compilers are memory-hungry. It is recommended to have at least 1 GB of
-memory available when compiling Bitcoin Core. With 512MB of memory or less
-compilation will take much longer due to swap thrashing.
+C++ compilers are memory-hungry. It is recommended to have at least 1.5 GB of
+memory available when compiling Bitcoin Core. On systems with less, gcc can be
+tuned to conserve memory with additional CXXFLAGS:
+
+
+ ./configure CXXFLAGS="--param ggc-min-expand=1 --param ggc-min-heapsize=32768"
Dependency Build Instructions: Ubuntu & Debian
----------------------------------------------