Add strace for arm

strace/arm/Dockerfile

@@ -0,0 +1,8 @@
+FROM andrewd/musl-cross-arm
+MAINTAINER Andrew Dunham <andrew@du.nham.ca>
+
+# Add our build script
+ADD . /build/
+
+# This builds the program and copies it to /output
+CMD /build/build.sh

strace/arm/build.sh

@@ -0,0 +1,47 @@
+#!/bin/bash
+
+set -e
+set -o pipefail
+set -x
+
+
+STRACE_VERSION=4.10
+
+
+function build_strace() {
+    cd /build
+
+    # Download
+    curl -LO http://downloads.sourceforge.net/project/strace/strace/${STRACE_VERSION}/strace-${STRACE_VERSION}.tar.xz
+    tar xJvf strace-${STRACE_VERSION}.tar.xz
+    cd strace-${STRACE_VERSION}
+
+    # Add missing headers.
+    patch -p2 < /build/strace.patch
+
+    # Set up path
+    export PATH=$PATH:/opt/cross/arm-linux-musleabihf/bin/
+
+    # Build
+    CC='arm-linux-musleabihf-gcc -static -frandom-seed=build-strace-arm' \
+        ./configure --host=arm-linux
+    make
+    arm-linux-musleabihf-strip strace
+}
+
+function doit() {
+    build_strace
+
+    # Copy to output
+    if [ -d /output ]
+    then
+        OUT_DIR=/output/`uname | tr 'A-Z' 'a-z'`/arm
+        mkdir -p $OUT_DIR
+        cp /build/strace-${STRACE_VERSION}/strace $OUT_DIR/
+        echo "** Finished **"
+    else
+        echo "** /output does not exist **"
+    fi
+}
+
+doit

strace/arm/strace.patch

@@ -0,0 +1,13 @@
+diff --git 1/strace-4.10-orig/defs.h 2/strace-4.10/defs.h
+index dad4fe8..d1378ab 100644
+--- 1/strace-4.10-orig/defs.h
++++ 2/strace-4.10/defs.h
+@@ -54,6 +54,8 @@
+ #include <time.h>
+ #include <sys/time.h>
+ #include <sys/syscall.h>
++#include <asm-generic/ioctl.h>
++#include <linux/stat.h>
+ 
+ #ifndef HAVE_STRERROR
+ const char *strerror(int);