Merged as:
https://github.com/VectorCamp/vectorscan/pull/65

--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -501,19 +501,9 @@
 configure_file(${CMAKE_MODULE_PATH}/config.h.in ${PROJECT_BINARY_DIR}/config.h)
 configure_file(src/hs_version.h.in ${PROJECT_BINARY_DIR}/hs_version.h)
 
-if (NOT WIN32)
-    # expand out library names for pkgconfig static link info
-    foreach (LIB ${CMAKE_CXX_IMPLICIT_LINK_LIBRARIES})
-        # this is fragile, but protects us from toolchain specific files
-        if (NOT EXISTS ${LIB})
-            set(PRIVATE_LIBS "${PRIVATE_LIBS} -l${LIB}")
-        endif()
-    endforeach()
-
-    configure_file(libhs.pc.in libhs.pc @ONLY) # only replace @ quoted vars
-    install(FILES ${CMAKE_BINARY_DIR}/libhs.pc
-        DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
-endif()
+configure_file(libhs.pc.in libhs.pc @ONLY) # only replace @ quoted vars
+install(FILES ${CMAKE_BINARY_DIR}/libhs.pc
+    DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
 
 # only set these after all tests are done
 if (NOT FAT_RUNTIME)
--- a/libhs.pc.in
+++ b/libhs.pc.in
@@ -7,5 +7,4 @@
 Description: Intel(R) Hyperscan Library
 Version: @HS_VERSION@
 Libs: -L${libdir} -lhs
-Libs.private: @PRIVATE_LIBS@
 Cflags: -I${includedir}/hs