vcpkg/ports/avro-cpp/fix-cmake.patch

diff --git a/lang/c++/CMakeLists.txt b/lang/c++/CMakeLists.txt
index 472684f4c..edde09e40 100644
--- a/lang/c++/CMakeLists.txt
+++ b/lang/c++/CMakeLists.txt
@@ -51,20 +51,16 @@ list(GET AVRO_VERSION 2 AVRO_VERSION_PATCH)
 project (Avro-cpp)
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR})
 
+find_package(ZLIB REQUIRED)
+
 if (WIN32 AND NOT CYGWIN AND NOT MSYS)
     add_definitions (/EHa)
-    add_definitions (
-        -DNOMINMAX
-        -DBOOST_REGEX_DYN_LINK
-        -DBOOST_FILESYSTEM_DYN_LINK
-        -DBOOST_SYSTEM_DYN_LINK
-        -DBOOST_IOSTREAMS_DYN_LINK
-        -DBOOST_PROGRAM_OPTIONS_DYN_LINK
-        -DBOOST_ALL_NO_LIB)
+    add_definitions (-DNOMINMAX)
 endif()
 
 if (CMAKE_COMPILER_IS_GNUCXX)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -pedantic -Werror")
+    # Remove " -Werror" because of warning from boost-math (will require C++ 14 soon)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -pedantic")
 if (AVRO_ADD_PROTECTOR_FLAGS)
     set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -fstack-protector-all -D_GLIBCXX_DEBUG")
     # Unset _GLIBCXX_DEBUG for avrogencpp.cc because using Boost Program Options
@@ -114,7 +110,7 @@ set (AVRO_SOURCE_FILES
         impl/CustomAttributes.cc
         )
 
-add_library (avrocpp SHARED ${AVRO_SOURCE_FILES})
+add_library (avrocpp ${AVRO_SOURCE_FILES})
 
 set_property (TARGET avrocpp
     APPEND PROPERTY COMPILE_DEFINITIONS AVRO_DYN_LINK)
@@ -131,12 +127,12 @@ set_target_properties (avrocpp PROPERTIES
 set_target_properties (avrocpp_s PROPERTIES
     VERSION ${AVRO_VERSION_MAJOR}.${AVRO_VERSION_MINOR}.${AVRO_VERSION_PATCH})
 
-target_link_libraries (avrocpp ${Boost_LIBRARIES} ${SNAPPY_LIBRARIES})
+target_link_libraries (avrocpp ${Boost_LIBRARIES} ${SNAPPY_LIBRARIES} ZLIB::ZLIB)
 target_include_directories(avrocpp PRIVATE ${SNAPPY_INCLUDE_DIR})
 
 add_executable (precompile test/precompile.cc)
 
-target_link_libraries (precompile avrocpp_s ${Boost_LIBRARIES} ${SNAPPY_LIBRARIES})
+target_link_libraries (precompile avrocpp_s ${Boost_LIBRARIES} ${SNAPPY_LIBRARIES} ZLIB::ZLIB)
 
 macro (gen file ns)
     add_custom_command (OUTPUT ${file}.hh
@@ -166,13 +162,14 @@ gen (primitivetypes pt)
 gen (cpp_reserved_words cppres)
 
 add_executable (avrogencpp impl/avrogencpp.cc)
-target_link_libraries (avrogencpp avrocpp_s ${Boost_LIBRARIES} ${SNAPPY_LIBRARIES})
+target_link_libraries (avrogencpp avrocpp_s ${Boost_LIBRARIES} ${SNAPPY_LIBRARIES} ZLIB::ZLIB)
 
+if(BUILD_TESTING)
 enable_testing()
 
 macro (unittest name)
-    add_executable (${name} test/${name}.cc)
-    target_link_libraries (${name} avrocpp ${Boost_LIBRARIES} ${SNAPPY_LIBRARIES})
+    add_executable (${name} test/${name}.cc impl/json/JsonIO.cc impl/json/JsonDom.cc)
+    target_link_libraries (${name} avrocpp ${Boost_LIBRARIES} ${SNAPPY_LIBRARIES} ZLIB::ZLIB)
     add_test (NAME ${name} WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
         COMMAND ${CMAKE_CURRENT_BINARY_DIR}/${name})
 endmacro (unittest)
@@ -197,6 +194,7 @@ add_dependencies (AvrogencppTests bigrecord_hh bigrecord_r_hh bigrecord2_hh
     union_array_union_hh union_map_union_hh union_conflict_hh
     recursive_hh reuse_hh circulardep_hh tree1_hh tree2_hh crossref_hh
     primitivetypes_hh empty_record_hh)
+endif()
 
 include (InstallRequiredSystemLibraries)
 
@@ -204,10 +202,14 @@ set (CPACK_PACKAGE_FILE_NAME "avrocpp-${AVRO_VERSION_MAJOR}")
 
 include (CPack)
 
-install (TARGETS avrocpp avrocpp_s
-    LIBRARY DESTINATION lib
-    ARCHIVE DESTINATION lib
-    RUNTIME DESTINATION lib)
+install(TARGETS avrocpp EXPORT unofficial-avro-cpp)
+
+install(
+    EXPORT unofficial-avro-cpp
+    FILE unofficial-avro-cpp-config.cmake
+    DESTINATION share/unofficial-avro-cpp
+    NAMESPACE unofficial::avro-cpp::
+)
 
 install (TARGETS avrogencpp RUNTIME DESTINATION bin)