Add build dependencies for snap creation

.gitignore

@@ -7,4 +7,10 @@ config.status
 large_pcap_analyzer
 src/.deps/
 src/.dirstamp
-
+Makefile
+*.snap
+*.tar.bz2
+latest
+parts/
+prime/
+snap/.snapcraft/

snap/snapcraft.yaml

@@ -1,20 +1,26 @@
+    name: large-pcap-analyzer
+    version: 3.4.3
+    summary: Command-line utility to process .PCAP files very quickly.
+    description: |
+        Large PCAP file analyzer is a command-line utility program that performs some simple operations
+        on .PCAP files very quickly. This allows you to manipulate also very large PCAP files that cannot
+        be easily handled with other software like Wireshark.
 
-  name: large-pcap-analyzer
-  version: 3.4.3
-  summary: Command-line utility to process .PCAP files very quickly.
-  description: |
-   Large PCAP file analyzer is a command-line utility program that performs some simple operations 
-   on .PCAP files very quickly. This allows you to manipulate also very large PCAP files that cannot 
-   be easily handled with other software like Wireshark.
+    grade: stable
 
-  grade: stable
-  confinement: strict
+    # NOTE: confinement 'strict' cannot be used for this utility since it needs read permissions
+    #       anywhere in the filesystem. 'classic' confinement is better.
+    confinement: classic
 
-  apps:
-    large-pcap-analyzer:
-      command: large_pcap_analyzer
-
-  parts:
-    large-pcap-analyzer:
-      plugin: autotools
-      source: https://github.com/f18m/large-pcap-analyzer/archive/3.4.3.tar.gz
+    apps:
+        large-pcap-analyzer:
+            command: large_pcap_analyzer
+
+    parts:
+        large-pcap-analyzer:
+            plugin: autotools
+            source: https://github.com/f18m/large-pcap-analyzer/archive/3.4.3.tar.gz
+            build-packages:
+                - g++
+                - make
+                - libpcap-dev