From 4b87e9cdcb24d3b979f4ceb8bca39fd99f7f7f1d Mon Sep 17 00:00:00 2001
From: atkawa7 <atkawa7@yahoo.com>
Date: Mon, 3 Jul 2017 22:07:38 -0700
Subject: [PATCH] [libconfig] fix guards

---
 ports/libconfig/CMakeLists.txt | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/ports/libconfig/CMakeLists.txt b/ports/libconfig/CMakeLists.txt
index 878e705339..1ba4adaae0 100644
--- a/ports/libconfig/CMakeLists.txt
+++ b/ports/libconfig/CMakeLists.txt
@@ -48,6 +48,20 @@ install(
   ARCHIVE DESTINATION lib
 )
 
-if(NOT DISABLE_INSTALL_HEADERS)
-  install(FILES   lib/libconfig.h++ lib/libconfig.h DESTINATION include)
+file(READ   lib/libconfig.h++ LIBCONFIGXX_H)
+file(READ   lib/libconfig.h LIBCONFIG_H)
+
+if(BUILD_SHARED_LIBS)
+  string(REPLACE "defined(LIBCONFIGXX_EXPORTS)" "1" LIBCONFIGXX_H "${LIBCONFIGXX_H}")
+  string(REPLACE "defined(LIBCONFIG_EXPORTS)" "1" LIBCONFIG_H "${LIBCONFIGXX_H}")
+else()
+  string(REPLACE "defined(LIBCONFIGXX_STATIC)" "1" LIBCONFIGXX_H "${LIBCONFIGXX_H}")
+  string(REPLACE "defined(LIBCONFIG_STATIC)" "1" LIBCONFIG_H "${LIBCONFIG_H}")
+endif()
+
+file(WRITE ${PROJECT_BINARY_DIR}/libconfig.h++ ${LIBCONFIGXX_H})
+file(WRITE ${PROJECT_BINARY_DIR}/libconfig.h ${LIBCONFIG_H})
+
+if(NOT DISABLE_INSTALL_HEADERS)
+  install(FILES   ${PROJECT_BINARY_DIR}/libconfig.h++ ${PROJECT_BINARY_DIR}/libconfig.h DESTINATION include)
 endif()