diff --git a/flang/CMakeLists.txt b/flang/CMakeLists.txt
--- a/flang/CMakeLists.txt
+++ b/flang/CMakeLists.txt
@@ -205,6 +205,7 @@
   include_directories(SYSTEM ${MLIR_TABLEGEN_OUTPUT_DIR})
 endif()
 set(FLANG_INTRINSIC_MODULES_DIR ${CMAKE_BINARY_DIR}/include/flang)
+set(FLANG_INCLUDE_DIR ${FLANG_BINARY_DIR}/include)
 
 if(FLANG_BUILD_NEW_DRIVER)
     # TODO: Remove when libclangDriver is lifted out of Clang
@@ -447,4 +448,11 @@
     PATTERN "config.h" EXCLUDE
     PATTERN ".git"     EXCLUDE
     PATTERN "CMakeFiles" EXCLUDE)
+    
+  install(DIRECTORY ${FLANG_INCLUDE_DIR}/flang
+    DESTINATION include
+    COMPONENT flang-headers
+    FILES_MATCHING
+    PATTERN "*.inc"
+    )
 endif()