Index: head/lang/rust/files/patch-src_binaryen_CMakeLists.txt
===================================================================
--- head/lang/rust/files/patch-src_binaryen_CMakeLists.txt	(nonexistent)
+++ head/lang/rust/files/patch-src_binaryen_CMakeLists.txt	(revision 462646)
@@ -0,0 +1,60 @@
+https://github.com/WebAssembly/binaryen/commit/07f6dfbf0d89
+https://github.com/WebAssembly/binaryen/commit/d9692277357b
+
+--- src/binaryen/CMakeLists.txt.orig	2018-02-12 18:56:16 UTC
++++ src/binaryen/CMakeLists.txt
+@@ -99,51 +99,12 @@ ELSE()
+   FIND_PACKAGE(Threads REQUIRED)
+   ADD_CXX_FLAG("-std=c++11")
+   if (NOT EMSCRIPTEN)
+-    # try to get the target architecture by compiling a dummy.c file and
+-    # checking the architecture using the file command.
+-    file(WRITE ${PROJECT_BINARY_DIR}/dummy.c "main(){}")
+-    try_compile(
+-      COMPILE_OK
+-      ${PROJECT_BINARY_DIR}
+-      ${PROJECT_BINARY_DIR}/dummy.c
+-      OUTPUT_VARIABLE COMPILE_OUTPUT
+-      COPY_FILE ${PROJECT_BINARY_DIR}/dummy
+-    )
+-    if (COMPILE_OK)
+-      execute_process(
+-        COMMAND file ${PROJECT_BINARY_DIR}/dummy
+-        RESULT_VARIABLE FILE_RESULT
+-        OUTPUT_VARIABLE FILE_OUTPUT
+-        ERROR_QUIET
+-      )
+-
+-      if (FILE_RESULT EQUAL 0)
+-        if (${FILE_OUTPUT} MATCHES "x86[-_]64")
+-          set(TARGET_ARCH "x86-64")
+-        elseif (${FILE_OUTPUT} MATCHES "Intel 80386")
+-          set(TARGET_ARCH "i386")
+-        elseif (${FILE_OUTPUT} MATCHES "ARM")
+-          set(TARGET_ARCH "ARM")
+-        else ()
+-          message(WARNING "Unknown target architecture!")
+-        endif ()
+-        if(TARGET_ARCH)
+-          MESSAGE(STATUS "Building for platform ${TARGET_ARCH}")
+-        endif ()
+-      else ()
+-        message(WARNING "Error running file on dummy executable")
+-      endif ()
+-    else ()
+-      message(WARNING "Error compiling dummy.c file: ${COMPILE_OUTPUT}")
+-    endif ()
+-
+-    if (TARGET_ARCH STREQUAL "i386")
++    if (CMAKE_SYSTEM_PROCESSOR MATCHES "^i.86$")
+       # wasm doesn't allow for x87 floating point math
+       ADD_COMPILE_FLAG("-msse2")
+       ADD_COMPILE_FLAG("-mfpmath=sse")
+-    elseif(TARGET_ARCH STREQUAL "ARM")
+-      # stub for ARM-specific instructions. GCC6 adds NEON with the below flags
+-      ADD_COMPILE_FLAG("-march=native")
++    elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^armv[2-6]" AND NOT CMAKE_CXX_FLAGS MATCHES "-mfpu=")
++      ADD_COMPILE_FLAG("-mfpu=vfpv3")
+     endif ()
+   endif ()
+   ADD_COMPILE_FLAG("-Wall")

Property changes on: head/lang/rust/files/patch-src_binaryen_CMakeLists.txt
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