--- a/CMakeLists.txt	2022-05-24 11:16:18.537610972 +0200
+++ b/CMakeLists.txt	2022-05-24 11:19:15.011073535 +0200
@@ -209,10 +209,10 @@
 # dynolog's ipcfabric is header-only and vendored under third_party/dynolog_headers
 # (pinned in version.txt), so only its include paths are needed below -- there
 # is no library to build or link.
-set(DYNOLOG_INCLUDE_DIR "${LIBKINETO_THIRDPARTY_DIR}/dynolog_headers/")
-set(IPCFABRIC_INCLUDE_DIR "${DYNOLOG_INCLUDE_DIR}/dynolog/src/ipcfabric/")
+set(DYNOLOG_INCLUDE_DIR "@GENTOO_PORTAGE_EPREFIX@/usr/include/dynolog/")
+set(IPCFABRIC_INCLUDE_DIR "@GENTOO_PORTAGE_EPREFIX@/usr/include/dynolog/src/ipcfabric/")
 
-if(NOT TARGET fmt::fmt-header-only)
+if(FALSE)
   if(NOT FMT_SOURCE_DIR)
     set(FMT_SOURCE_DIR "${LIBKINETO_THIRDPARTY_DIR}/fmt"
       CACHE STRING "fmt source directory from submodules")
@@ -236,12 +236,10 @@
 target_include_directories(kineto_base SYSTEM PUBLIC
       $<BUILD_INTERFACE:${DYNOLOG_INCLUDE_DIR}>
       $<BUILD_INTERFACE:${IPCFABRIC_INCLUDE_DIR}>)
-target_link_libraries(kineto_base PRIVATE $<BUILD_INTERFACE:fmt::fmt-header-only>)
 
 target_include_directories(kineto_api PUBLIC
       $<BUILD_INTERFACE:${LIBKINETO_DIR}>
       $<BUILD_INTERFACE:${LIBKINETO_INCLUDE_DIR}>)
-target_link_libraries(kineto_api PRIVATE $<BUILD_INTERFACE:fmt::fmt-header-only>)
 
 if(KINETO_LIBRARY_TYPE STREQUAL "static")
   set(BUILD_SHARED_LIBS OFF)