build: change gitian descriptors to use bionic

- all: change suite to bionic instead of trusty
- linux: change gcc version to 7
- win: remove g++ from faketime_progs
- win: wrap *-posix compilers rather than plain mingw
- win: install 'rename'

contrib/gitian-descriptors/gitian-linux.yml

@@ -2,21 +2,21 @@
 name: "dogecoin-linux-1.14"
 enable_cache: true
 suites:
-- "trusty"
+- "bionic"
 architectures:
 - "amd64"
 packages:
 - "curl"
 - "g++-aarch64-linux-gnu"
-- "g++-4.8-aarch64-linux-gnu"
-- "gcc-4.8-aarch64-linux-gnu"
+- "g++-7-aarch64-linux-gnu"
+- "gcc-7-aarch64-linux-gnu"
 - "binutils-aarch64-linux-gnu"
 - "g++-arm-linux-gnueabihf"
-- "g++-4.8-arm-linux-gnueabihf"
-- "gcc-4.8-arm-linux-gnueabihf"
+- "g++-7-arm-linux-gnueabihf"
+- "gcc-7-arm-linux-gnueabihf"
 - "binutils-arm-linux-gnueabihf"
-- "g++-4.8-multilib"
-- "gcc-4.8-multilib"
+- "g++-7-multilib"
+- "gcc-7-multilib"
 - "binutils-gold"
 - "git-core"
 - "pkg-config"

contrib/gitian-descriptors/gitian-osx-signer.yml

@@ -1,7 +1,7 @@
 ---
 name: "dogecoin-dmg-signer"
 suites:
-- "trusty"
+- "bionic"
 architectures:
 - "amd64"
 packages:

contrib/gitian-descriptors/gitian-osx.yml

@@ -2,7 +2,7 @@
 name: "dogecoin-osx-1.14"
 enable_cache: true
 suites:
-- "trusty"
+- "bionic"
 architectures:
 - "amd64"
 packages:

contrib/gitian-descriptors/gitian-win-signer.yml

@@ -1,7 +1,7 @@
 ---
 name: "dogecoin-win-signer"
 suites:
-- "trusty"
+- "bionic"
 architectures:
 - "amd64"
 packages:

contrib/gitian-descriptors/gitian-win.yml

@@ -2,7 +2,7 @@
 name: "dogecoin-win-1.14"
 enable_cache: true
 suites:
-- "trusty"
+- "bionic"
 architectures:
 - "amd64"
 packages:
@@ -21,6 +21,7 @@ packages:
 - "zip"
 - "ca-certificates"
 - "python"
+- "rename"
 remotes:
 - "url": "https://github.com/dogecoin/dogecoin.git"
   "dir": "dogecoin"
@@ -29,7 +30,7 @@ script: |
   WRAP_DIR=$HOME/wrapped
   HOSTS="i686-w64-mingw32 x86_64-w64-mingw32"
   CONFIGFLAGS="--enable-reduce-exports --disable-bench --disable-gui-tests"
-  FAKETIME_HOST_PROGS="g++ ar ranlib nm windres strip objcopy"
+  FAKETIME_HOST_PROGS="ar ranlib nm windres strip objcopy"
   FAKETIME_PROGS="date makensis zip"
   HOST_CFLAGS="-O2 -g"
   HOST_CXXFLAGS="-O2 -g"
@@ -84,7 +85,7 @@ script: |
     done
     for prog in gcc g++; do
         echo '#!/bin/bash' > ${WRAP_DIR}/${i}-${prog}
-        echo "REAL=\`which -a ${i}-${prog} | grep -v ${WRAP_DIR}/${i}-${prog} | head -1\`" >> ${WRAP_DIR}/${i}-${prog}
+        echo "REAL=\`which -a ${i}-${prog}-posix | grep -v ${WRAP_DIR}/${i}-${prog} | head -1\`" >> ${WRAP_DIR}/${i}-${prog}
         echo 'export LD_PRELOAD=/usr/lib/x86_64-linux-gnu/faketime/libfaketime.so.1' >> ${WRAP_DIR}/${i}-${prog}
         echo "export FAKETIME=\"$1\"" >> ${WRAP_DIR}/${i}-${prog}
         echo "export COMPILER_PATH=${WRAP_DIR}/${i}" >> ${WRAP_DIR}/${i}-${prog}