Link to zstd on FreeBSD as it gets pulled in by LLVM

Author: arrowd

CMakeLists.txt

@@ -587,6 +587,12 @@ set_target_properties(
     # Use a custom .props file to set up Visual D (import paths, predefined versions...).
     VS_USER_PROPS "${PROJECT_SOURCE_DIR}/cmake/VisualD.props"
 )
+if(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
+    # FreeBSD LLVM port links to zstd, but does not convey this information via CMake
+    # Workaround it here until it is fixed in the port
+    find_package(zstd)
+    list(APPEND LLVM_LIBRARIES "-l$<TARGET_LINKER_FILE:zstd::libzstd_shared>")
+endif()
 # LDFLAGS should actually be in target property LINK_FLAGS, but this works, and gets around linking problems
 target_link_libraries(${LDC_LIB} ${LLVM_LIBRARIES} ${LLVM_LDFLAGS})
 if(WIN32)
@@ -707,7 +713,7 @@ build_d_executable(
     "${DFLAGS_BUILD_TYPE} ${DFLAGS_LDC}"
     "${ALTERNATIVE_MALLOC_O};${LDC_LINKERFLAG_LIST};${FULLY_STATIC_LDFLAG}"
     "${FE_RES}"
-    "${LDC_LIB}"
+    "${LDC_LIB};${FREEBSD_LDC_DEPS}"
     ${COMPILE_D_MODULES_SEPARATELY}
 )