[chronojump] Updated howto compile mac instructions to be able to add files to .dmg

[Xavier de Blas <xaviblas src gnome org>]

commit 626e985aab5b38211c7d9ab5a7886520ad3fb42a
Author: Xavier de Blas <xaviblas gmail com>
Date:   Fri Apr 12 13:49:12 2019 +0200

    Updated howto compile mac instructions to be able to add files to .dmg

 howto_compile.txt | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
---
diff --git a/howto_compile.txt b/howto_compile.txt
index e47b17bf..6728325c 100644
--- a/howto_compile.txt
+++ b/howto_compile.txt
@@ -44,6 +44,39 @@ And inside the chronojump directory
 
 make osx-installer
 
+#we have not succeded on adding ffmpeg and ffplay binaries using cerbero
+#it works on make install but not on creating the package
+#so this has to be done, adapted from: http://crazyedy.com/tech/?p=535
+#create writeable image
+hdiutil convert Chronojump-version.dmg -format UDRW -o Chronojump-version-ff.dmg
+
+#know size
+hdiutil resize -limits Chronojump-version-ff.dmg
+
+#resize it. 700000 was not enough for ffmpeg and ffplay, but 1000000 worked
+hdiutil resize -sectors 1000000 Chronojump-version-ff.dmg
+
+#Option A) from the command line:
+#check there's no Chronojump mounted: ls /Volumes
+       #if it is, unmount it with:
+       umount /Volumnes/Chronojump
+       #or
+       hdiutil detach /Volumes/Chronojump
+
+hdiutil attach Chronojump-version-ff.dmg       #attach
+ls /Volumes/Chronojump/Chronojump.app/Contents/Home/bin/
+cp ffmpegBinariesMac/ff* /Volumes/Chronojump/Chronojump.app/Contents/Home/bin/
+hdiutil detach /Volumes/Chronojump
+
+#Option B) from the gui do:
+hdiutil attach Chronojump-version-ff.dmg       #attach
+#double click on drive icon
+#right click on Chronojump and click "Mostrar el contenido del paquete"
+#copy it to Contents/Home/bin
+
+
+
+
 #to be used by Owncloud
 mv file.dmg ~/BinarisMac/