Index: head/devel/xeus/files/patch-CMakeLists.txt
===================================================================
--- head/devel/xeus/files/patch-CMakeLists.txt	(revision 483669)
+++ head/devel/xeus/files/patch-CMakeLists.txt	(revision 483670)
@@ -1,51 +1,69 @@
 --- CMakeLists.txt.orig	2018-07-01 17:59:23 UTC
 +++ CMakeLists.txt
 @@ -46,11 +46,12 @@ message(STATUS "xeus binary version: v${XEUS_BINARY_VE
  # Dependencies
  # ============
  
 +FIND_PACKAGE(PkgConfig)
  find_package(nlohmann_json 3.1.1 REQUIRED)
  find_package(xtl 0.4 REQUIRED)
 -find_package(ZeroMQ 4.2.3 REQUIRED)
 +pkg_check_modules(ZeroMQ libzmq>=4.2.3 REQUIRED)
  find_package(cppzmq 4.2.3 REQUIRED)
 -find_package(cryptopp REQUIRED)
 +pkg_check_modules(cryptopp libcryptopp REQUIRED)
  
  # Source files
  # ============
 @@ -111,7 +112,7 @@ target_link_libraries(xeus
                        PUBLIC cppzmq
                        PUBLIC nlohmann_json
                        PUBLIC xtl
 -                      PRIVATE cryptopp-static)
 +                      PRIVATE cryptopp)
  
  if(NOT MSVC)
      if(APPLE)
 @@ -139,14 +140,12 @@ include(CMakePushCheckState)
  cmake_push_check_state()
  
  # HAVE_CRYPTOPP_BYTE_T
 -get_target_property(cryptopp_INCLUDE_DIR cryptopp-static INTERFACE_INCLUDE_DIRECTORIES)
 -get_target_property(cryptopp_LIBRARY cryptopp-static LOCATION)
  set(CMAKE_REQUIRED_LIBRARIES ${cryptopp_LIBRARY})
  set(CMAKE_REQUIRED_INCLUDES ${cryptopp_INCLUDE_DIR})
  check_cxx_source_compiles("
  #include \"cryptopp/config.h\"
  int main(){
 -  [[maybe_unused]] CryptoPP::byte b = CryptoPP::byte{0x36};
 +  CryptoPP::byte b = (CryptoPP::byte){0x36};
  }" HAVE_CRYPTOPP_BYTE_T)
  
  cmake_pop_check_state()
-@@ -206,7 +205,7 @@ if(MSVC)
+@@ -160,17 +159,11 @@ endif()
+ 
+ include(CheckCXXCompilerFlag)
+ string(TOUPPER "${CMAKE_BUILD_TYPE}" U_CMAKE_BUILD_TYPE)
+-OPTION(DISABLE_ARCH_NATIVE "disable -march=native flag" OFF)
+ 
+ target_compile_features(xeus PRIVATE cxx_std_11)
+ 
+ if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Intel")
+     target_compile_options(xeus PUBLIC -Wunused-parameter -Wextra -Wreorder)
+-    if (DISABLE_ARCH_NATIVE)
+-        target_compile_options(xeus PUBLIC -mtune=generic)
+-    else()
+-        target_compile_options(xeus PUBLIC -march=native)
+-    endif()
+ 
+     # Enable link time optimization and set the default symbol
+     # visibility to hidden (very important to obtain small binaries)
+@@ -206,7 +199,7 @@ if(MSVC)
  elseif(APPLE)
      target_compile_definitions(xeus PUBLIC -DGUID_CFUUID)
  else()
 -    target_compile_definitions(xeus PUBLIC -DGUID_LIBUUID)
 +    target_compile_definitions(xeus PUBLIC -DGUID_LIBUUID ${cryptopp_CFLAGS_OTHER})
  endif()
  
  # Examples