diff --git a/.gitignore b/.gitignore
index df123a5..dc30022 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 build/
+cache/
 data/i18n/paysages_*.qm
 gmon.out
 nbproject/
diff --git a/dist/Paysages3D.exe b/dist/Paysages3D.exe
new file mode 100644
index 0000000..45f0397
Binary files /dev/null and b/dist/Paysages3D.exe differ
diff --git a/dist/README.txt b/dist/README.txt
new file mode 100644
index 0000000..5530323
--- /dev/null
+++ b/dist/README.txt
@@ -0,0 +1,19 @@
+Paysages 3D, a landscape generator, editor and renderer.
+
+This version is a development preview. Its only purpose is to demonstrate the software features and gather user feedback.
+The software is provided "as-is". The authors give no warranty whatsoever regarding to this software, and disclaim any warranty of merchantability, fitness for a particular purpose, non-interference, or non-infringement. The authors cannot be kept responsible for any damage of any kind caused directly or indirectly by the software.
+By installing, configuring, and/or using the software, you accept above terms.
+
+This version is provided free of charge, with no limits on usage. If you paid to obtain this version, please inform the authors.
+
+This version is distributed under the terms of the Creative Commons Licence (BY-NC-ND 3.0). Please read the full terms on the Creative Commons information website : http://creativecommons.org/licenses/by-nc-nd/3.0/
+
+Authors :
+Michael LEMAIRE - Developer
+
+Credits :
+Qt - http://qt.nokia.com/
+DevIL - http://openil.sourceforge.net/
+GLib - http://www.gtk.org/
+
+You can find complementary information, or contact the authors on the website : http://www.paysages3d.com/
diff --git a/src/common_post.mk b/src/common_post.mk
index f86c093..28b4197 100644
--- a/src/common_post.mk
+++ b/src/common_post.mk
@@ -14,7 +14,7 @@ ifneq (,${LIBS})
 endif
 
 CC_FLAGS += -fPIC -Wall -I${PROJECT_PATH}/src
-CC_LDFLAGS += -fPIC
+CC_LDFLAGS += -fPIC -lm
 
 all:prepare ${RESULT}