Merge pull request #3 from gatlinnewhouse/main

Fix build container errors on some systems

Dockerfile

@@ -6,8 +6,7 @@ COPY --chmod=700 ./solutions /root/
 RUN set -ex; \
     \
     apt-get update; \
-    apt-get install -y software-properties-common build-essential python2 python-pip file python3 language-pack-en gdb valgrind zsh git bash ruby wget curl tmux gcc vim make clang sudo gcc-multilib; \
-    add-apt-repository ppa:ubuntu-toolchain-r/test; \
+    apt-get install -y software-properties-common build-essential python2 python-pip file python3 language-pack-en gdb valgrind zsh git bash ruby wget curl tmux gcc vim make clang sudo gcc-multilib libseccomp-dev; \
     apt-get update; \
     useradd -m labs; \
     useradd -m admin; \

src/week2/challenges/bof-level6/Makefile

@@ -1,4 +1,4 @@
-CC=gcc-4.7
+CC=gcc
 
 all: bof-level6
 

src/week2/challenges/bof-level8/Makefile

@@ -1,4 +1,4 @@
-CC=gcc-4.7
+CC=gcc
 
 all: bof-level8