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-rw-r--r--docs/INSTALL.markdown12
1 files changed, 8 insertions, 4 deletions
diff --git a/docs/INSTALL.markdown b/docs/INSTALL.markdown
index c695efb4..5029cb27 100644
--- a/docs/INSTALL.markdown
+++ b/docs/INSTALL.markdown
@@ -8,6 +8,11 @@ Requirements common for all platforms:
* CMake version 2.8.11 or higher (tested with version 2.8.12.2)
+Optional requirements:
+
+* zlib
+
+* libpng
The GUI also dependends on:
@@ -20,10 +25,9 @@ if `-DENABLE_GUI=FALSE` is passed instead. The implicit default is
`-DENABLE_GUI=AUTO`, which will build the GUI if Qt is available.
-The code also depends on zlib, libpng, and snappy libraries, but the bundled
-sources are always used regardless of system availability, to make the wrapper
-shared-objects/DLL self contained, and to prevent symbol collisions when
-tracing.
+The code also depends on snappy libraries, but the bundled sources are always
+used regardless of system availability, to make the wrapper shared-objects/DLL
+self contained, and to prevent symbol collisions when tracing.
# Linux #