diff --git a/freeglut/freeglut/CMakeLists.txt b/freeglut/freeglut/CMakeLists.txt
index 4d6e1f2..8569707 100644
--- a/freeglut/freeglut/CMakeLists.txt
+++ b/freeglut/freeglut/CMakeLists.txt
@@ -580,6 +580,9 @@ SET(PC_FILENAME "${LIBNAME}.pc")
 IF(FREEGLUT_GLES)
   SET(PC_CFLAGS "-DFREEGLUT_GLES")
 ENDIF()
+IF(FREEGLUT_BUILD_STATIC_LIBS)
+  LIST(APPEND PC_CFLAGS -DFREEGLUT_STATIC)
+ENDIF()
 CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/freeglut.pc.in ${CMAKE_BINARY_DIR}/freeglut.pc @ONLY)
 INSTALL(FILES ${CMAKE_BINARY_DIR}/freeglut.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig/ RENAME ${PC_FILENAME} COMPONENT Devel)
 # TODO: change the library and .pc name when building for GLES,