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-rw-r--r--INSTALL.md13
1 files changed, 10 insertions, 3 deletions
diff --git a/INSTALL.md b/INSTALL.md
index 0bd639a1..dd2f2b5d 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -1,10 +1,11 @@
Installation instructions
=========================
-CrystFEL installation is supported on GNU/Linux (including on Windows via
+CrystFEL installation is easiest on GNU/Linux. Installation on Mac OS X is
+supported, but more difficult because you have to get all the dependencies
+from a third-party repository. Installation in Windows via
[Windows Subsystem for Linux](https://docs.microsoft.com/en-us/windows/wsl/))
-and Mac OS X. A native installation on Windows is reported as possible, but is
-not supported.
+is also possible.
Supported installations at facilities
@@ -55,6 +56,12 @@ to download and install any of them separately from source. In particular, we
emphatically recommend against trying to install GTK, Cairo, Pango or
gdk-pixbuf from source.
+We also do not recommend using dependencies from Conda/Anaconda. Do not
+activate any Conda environment before compiling CrystFEL, not even the "base"
+environment. Don't even "source" the Conda setup file before installing
+CrystFEL - keep it completely separate. A Conda recipe for CrystFEL might be
+coming soon, though, if development resources allow for it.
+
If OpenCL headers and corresponding GPU drivers are available on your system,
GPU-accelerated diffraction calculation will be enabled for `pattern_sim`.