Squashed commits from prerequisite PR diffblue#3983 (GDB API) - Do not review

Author: mmuesly

.travis.yml

@@ -99,6 +99,7 @@ jobs:
             - libubsan0
             - parallel
             - jq
+            - gdb
       before_install:
         - mkdir bin
         - ln -s /usr/bin/gcc-5 bin/gcc
@@ -115,7 +116,7 @@ jobs:
       compiler: clang
       cache: ccache
       before_install:
-        - HOMEBREW_NO_AUTO_UPDATE=1 brew install ccache parallel
+        - HOMEBREW_NO_AUTO_UPDATE=1 brew install ccache parallel gdb
         - export PATH=$PATH:/usr/local/opt/ccache/libexec
       env: COMPILER="ccache clang++"
 
@@ -134,6 +135,7 @@ jobs:
             - g++-5
             - libubsan0
             - jq
+            - gdb
       before_install:
         - mkdir bin
         - ln -s /usr/bin/gcc-5 bin/gcc
@@ -162,6 +164,7 @@ jobs:
             - libstdc++-5-dev
             - libubsan0
             - jq
+            - gdb
       before_install:
         - mkdir bin
         - ln -s /usr/bin/gcc-5 bin/gcc
@@ -189,6 +192,7 @@ jobs:
           packages:
             - g++-7
             - jq
+            - gdb
       before_install:
         - mkdir bin
         - ln -s /usr/bin/gcc-7 bin/gcc
@@ -249,6 +253,7 @@ jobs:
             - libubsan0
             - parallel
             - jq
+            - gdb
       before_install:
         - mkdir bin
         # Use gcc/g++ 5 for tests, as Clang doesn't work yet
@@ -270,7 +275,7 @@ jobs:
       compiler: clang
       cache: ccache
       before_install:
-        - HOMEBREW_NO_AUTO_UPDATE=1 brew install ccache
+        - HOMEBREW_NO_AUTO_UPDATE=1 brew install ccache gdb
         - export PATH=$PATH:/usr/local/opt/ccache/libexec
       env:
         - BUILD_SYSTEM=cmake

buildspec.yml

@@ -8,7 +8,7 @@ phases:
       - apt-key adv --keyserver keyserver.ubuntu.com --recv-keys BA9EF27F
       - add-apt-repository ppa:openjdk-r/ppa -y
       - apt-get update -y
-      - apt-get install -y g++-5 flex bison make git libwww-perl patch ccache libc6-dev-i386 jq
+      - apt-get install -y g++-5 flex bison make git libwww-perl patch ccache libc6-dev-i386 jq gdb
       - apt-get install -y openjdk-8-jdk
       - update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-5 1
       - update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-5 1