vcpkg/ports/mongo-c-driver/fix-dependencies.patch

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 71c13fd..8464824 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -205,11 +205,9 @@ if (ENABLE_BSON STREQUAL SYSTEM)
 
    set (USING_SYSTEM_BSON TRUE)
    if (NOT TARGET mongo::bson_shared)
-           message (FATAL_ERROR "System libbson built without shared library target")
    endif ()
    set (BSON_LIBRARIES mongo::bson_shared)
    if (NOT TARGET mongo::bson_static)
-           message (FATAL_ERROR "System libbson built without static library target")
    endif ()
    set (BSON_STATIC_LIBRARIES mongo::bson_static)
 endif ()
diff --git a/src/libmongoc/CMakeLists.txt b/src/libmongoc/CMakeLists.txt
index d108e5d..a097016 100644
--- a/src/libmongoc/CMakeLists.txt
+++ b/src/libmongoc/CMakeLists.txt
@@ -55,7 +55,7 @@ configure_file (
 set (ZLIB_INCLUDE_DIRS "")
 if (ENABLE_ZLIB MATCHES "SYSTEM|AUTO")
    message (STATUS "Searching for zlib CMake packages")
-   include (FindZLIB)
+   find_package(ZLIB REQUIRED)
    if (ZLIB_FOUND)
       message ("--   zlib found version \"${ZLIB_VERSION_STRING}\"")
       message ("--   zlib include path \"${ZLIB_INCLUDE_DIRS}\"")
@@ -150,7 +150,7 @@ if (NOT ENABLE_SSL STREQUAL OFF)
    if (ENABLE_SSL STREQUAL "OPENSSL"
        OR (NOT APPLE AND NOT WIN32 AND ENABLE_SSL STREQUAL "AUTO"))
       # Sets OPENSSL_FOUND on success.
-      include (FindOpenSSL)
+      find_package(OpenSSL REQUIRED)
    endif ()
 
    if (ENABLE_SSL STREQUAL LIBRESSL)
@@ -364,10 +364,10 @@ else ()
 endif ()
 
 # Sets SNAPPY_LIBRARIES and SNAPPY_INCLUDE_DIRS.
-include (FindSnappy)
-if (SNAPPY_INCLUDE_DIRS)
+if(ENABLE_SNAPPY)
+   find_package(Snappy CONFIG REQUIRED)
+   set(SNAPPY_LIBRARIES Snappy::snappy)
    set (MONGOC_ENABLE_COMPRESSION 1)
-   include_directories ("${SNAPPY_INCLUDE_DIRS}")
 endif ()
 
 set (MONGOC_ENABLE_SHM_COUNTERS 0)
diff --git a/src/libmongoc/build/cmake/libmongoc-1.0-config.cmake.in b/src/libmongoc/build/cmake/libmongoc-1.0-config.cmake.in
index feeca02..1ec92ae 100644
--- a/src/libmongoc/build/cmake/libmongoc-1.0-config.cmake.in
+++ b/src/libmongoc/build/cmake/libmongoc-1.0-config.cmake.in
@@ -19,6 +19,10 @@ set (MONGOC_MINOR_VERSION @MONGOC_MINOR_VERSION@)
 set (MONGOC_MICRO_VERSION @MONGOC_MICRO_VERSION@)
 set (MONGOC_VERSION @MONGOC_VERSION@)
 
+include(CMakeFindDependencyMacro)
+if("@ENABLE_SNAPPY@" STREQUAL "ON")
+    find_dependency(Snappy CONFIG)
+endif()
 find_package (libbson-1.0 "@MONGOC_MAJOR_VERSION@.@MONGOC_MINOR_VERSION@" REQUIRED)
 
 @PACKAGE_INIT@
diff --git a/src/libmongoc/build/cmake/libmongoc-static-1.0-config.cmake.in b/src/libmongoc/build/cmake/libmongoc-static-1.0-config.cmake.in
index 6f05b0c..0e388e6 100644
--- a/src/libmongoc/build/cmake/libmongoc-static-1.0-config.cmake.in
+++ b/src/libmongoc/build/cmake/libmongoc-static-1.0-config.cmake.in
@@ -19,6 +19,10 @@ set (MONGOC_STATIC_MINOR_VERSION @MONGOC_MINOR_VERSION@)
 set (MONGOC_STATIC_MICRO_VERSION @MONGOC_MICRO_VERSION@)
 set (MONGOC_STATIC_VERSION @MONGOC_VERSION@)
 
+include(CMakeFindDependencyMacro)
+if("@ENABLE_SNAPPY@" STREQUAL "ON")
+    find_dependency(Snappy CONFIG)
+endif()
 find_package (libbson-static-1.0 "@MONGOC_MAJOR_VERSION@.@MONGOC_MINOR_VERSION@" REQUIRED)
 
 @PACKAGE_INIT@
diff --git a/src/libmongoc/src/mongoc-config.cmake b/src/libmongoc/src/mongoc-config.cmake
index 7fe7cf4..12611a3 100644
--- a/src/libmongoc/src/mongoc-config.cmake
+++ b/src/libmongoc/src/mongoc-config.cmake
@@ -1,3 +1,6 @@
 include(CMakeFindDependencyMacro)
+if("@ENABLE_SNAPPY@" STREQUAL "ON")
+    find_dependency(Snappy CONFIG)
+endif()
 find_dependency(bson-1.0 @MONGOC_MAJOR_VERSION@.@MONGOC_MINOR_VERSION@.@MONGOC_MICRO_VERSION@)
 include("${CMAKE_CURRENT_LIST_DIR}/mongoc-targets.cmake")