Fix Travis building

.travis.yml

@@ -28,19 +28,14 @@ os:
   - linux
 
 before_install:
-  # Install all required dependencies
+  # Install all required dependencies (radare2)
   - ./radeco/scripts/install-dependencies.sh
 
 before_script:
   # Load travis-cargo
   - |
     pip install 'travis-cargo<0.2' --user &&
     export PATH=$HOME/.local/bin:$PATH
-  # Clone and build radare2
-  - |
-      export CC=gcc-7 && export CXX=g++7 &&
-      git clone https://github.com/radare/radare2.git &&
-      cd ./radare2 && ./sys/install.sh && cd ../
   # Clone and build capstone
   - |
       export CC=gcc-7 && export CXX=g++7 &&

scripts/install-dependencies.sh

@@ -1,10 +1,14 @@
 #!/usr/bin/env sh
 
-echo "[*] Getting radare2" && \
-cd ${HOME} && \
-git clone https://github.com/radare/radare2 && \
-cd radare2 && \
-./sys/user.sh && \
-export PATH=$PATH:${HOME}/bin && \
-cd ${HOME}/build/radare/radeco-lib && \
+# This is because Travis CI uses very old GCC version
+# which still not have C99 as a default.
+# .travis.yml has installation instructions for gcc-7
+# Thus we enable it as a default compiler for dependencies
+export CC=gcc-7
+export CXX=g++-7
+
+echo "[*] Getting radare2"
+git clone https://github.com/radare/radare2 || exit 1
+cd radare2 || exit 1
+./sys/install.sh || exit 1
 echo "[*] radare2 install success"