...
[ 22%] Building C object CMakeFiles/mongocrypt.dir/src/mongocrypt-opts.c.o
[ 22%] Building C object CMakeFiles/mongocrypt.dir/src/mongocrypt-status.c.o
[ 22%] Building C object CMakeFiles/mongocrypt.dir/src/mongocrypt-traverse-util.c.o
[ 22%] Building C object CMakeFiles/mongocrypt.dir/src/mongocrypt-util.c.o
/path/to/dir/mongo/libmongocrypt/src/mongocrypt-util.c:93:2: error: "Don't know how to get the module path on this platform"
#error "Don't know how to get the module path on this platform"
 ^
1 error generated.
*** Error code 1Stop.
make[2]: stopped in /path/to/dir/mongo/libmongocrypt/cmake-build
*** Error code 1Stop.
make[1]: stopped in /path/to/dir/mongo/libmongocrypt/cmake-build
*** Error code 1Stop.
make: stopped in /path/to/dir/mongo/libmongocrypt/cmake-build 

--- a/src/mongocrypt-util.c
+++ b/src/mongocrypt-util.c
@@ -78,7 +78,7 @@ current_module_path ()
       }
       free (path);
    }
-#elif defined(_GNU_SOURCE) || defined(_DARWIN_C_SOURCE)
+#elif 1 || defined(_GNU_SOURCE) || defined(_DARWIN_C_SOURCE)
    // Darwin/BSD/glibc define extensions for finding dynamic library info from
    // the address of a symbol.
    Dl_info info;
--- a/src/os_posix/os_dll.c
+++ b/src/os_posix/os_dll.c
@@ -105,7 +105,7 @@ mcr_dll_path (mcr_dll dll)
       .error_string = mstr_copy_cstr ("Handle not found in loaded modules")};
 }-#elif defined(__linux__)
+#elif 1 || defined(__linux__) #include <link.h> 

The following tests did not run:
      7 - test_kms_azure_online (Skipped)
      8 - test_kms_gcp_online (Skipped)