Install ninja on CI builders

Windows CI builds already install ninja. Install it in all the
Docker-based builds as well.

Author: joshtriplett

src/ci/docker/host-aarch64/aarch64-gnu/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:20.04
 RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
   g++ \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/armhf-gnu/Dockerfile

@@ -14,6 +14,7 @@ RUN apt-get update -y && apt-get install -y --no-install-recommends \
       libc6-dev \
       libc6-dev-armhf-cross \
       make \
+      ninja-build \
       python3 \
       qemu-system-arm \
       xz-utils

src/ci/docker/host-x86_64/disabled/asmjs/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:16.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   g++ \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/disabled/dist-powerpcspe-linux/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:16.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   g++ \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/disabled/dist-sparc64-linux/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:16.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   g++ \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/disabled/dist-x86_64-dragonfly/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:16.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   g++ \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/disabled/dist-x86_64-haiku/Dockerfile

@@ -16,6 +16,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   libcurl4-openssl-dev \
   libssl-dev \
   make \
+  ninja-build \
   nasm \
   pkg-config \
   python3 \

src/ci/docker/host-x86_64/disabled/riscv64gc-linux/Dockerfile

@@ -20,6 +20,7 @@ RUN apt-get update -y && apt-get install -y --no-install-recommends \
     libc6-dev \
     libc6-dev-riscv64-cross \
     make \
+    ninja-build \
     patch \
     python3 \
     qemu-system-misc \

src/ci/docker/host-x86_64/dist-i586-gnu-i586-i686-musl/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:16.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   g++-multilib \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/dist-i686-freebsd/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:18.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   clang \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/dist-i686-linux/Dockerfile

@@ -26,6 +26,7 @@ RUN apt-get update && \
       libedit-dev \
       libncurses-dev \
       make \
+      ninja-build \
       patch \
       perl \
       pkg-config \

src/ci/docker/host-x86_64/dist-mips-linux/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:16.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   g++ \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/dist-mips64-linux/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:16.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   g++ \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/dist-mips64el-linux/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:16.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   g++ \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/dist-mipsel-linux/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:16.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   g++ \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/dist-various-1/Dockerfile

@@ -15,6 +15,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   libncurses-dev \
   gawk \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/dist-various-2/build-cloudabi-toolchain.sh

@@ -16,6 +16,7 @@ apt-get install -y --no-install-recommends \
   git \
   lld-5.0 \
   make \
+  ninja-build \
   python \
   sudo \
   xz-utils

src/ci/docker/host-x86_64/dist-x86_64-freebsd/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:18.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   clang \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile

@@ -26,6 +26,7 @@ RUN apt-get update && \
       libedit-dev \
       libncurses-dev \
       make \
+      ninja-build \
       patch \
       perl \
       pkg-config \

src/ci/docker/host-x86_64/dist-x86_64-musl/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:16.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   g++ \
   make \
+  ninja-build \
   file \
   wget \
   curl \

src/ci/docker/host-x86_64/i686-gnu-nopt/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:16.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   g++-multilib \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/i686-gnu/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:16.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   g++-multilib \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/mingw-check/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:18.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   g++ \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/test-various/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:18.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   g++ \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/wasm32/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:16.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   g++ \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/x86_64-gnu-aux/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:16.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   g++ \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/x86_64-gnu-debug/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:19.10
 RUN apt-get update && apt-get install -y --no-install-recommends \
   g++ \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/x86_64-gnu-distcheck/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:16.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   g++ \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/x86_64-gnu-llvm-8/Dockerfile

@@ -4,6 +4,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   g++ \
   g++-arm-linux-gnueabi \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/x86_64-gnu-nopt/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:16.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   g++ \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/x86_64-gnu-tools/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:16.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   g++ \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/host-x86_64/x86_64-gnu/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:19.10
 RUN apt-get update && apt-get install -y --no-install-recommends \
   g++ \
   make \
+  ninja-build \
   file \
   curl \
   ca-certificates \

src/ci/docker/scripts/android-base-apt-get.sh

@@ -10,6 +10,7 @@ apt-get install -y --no-install-recommends \
   git \
   libssl-dev \
   make \
+  ninja-build \
   pkg-config \
   python3 \
   sudo \

src/ci/docker/scripts/cross-apt-packages.sh

@@ -17,6 +17,7 @@ apt-get update && apt-get install -y --no-install-recommends \
   libssl-dev \
   libtool-bin \
   make \
+  ninja-build \
   patch \
   pkg-config \
   python3 \