From 73ed70bb33875d00606998c515a82c519ea3c6cc Mon Sep 17 00:00:00 2001
From: Ted John <ted@brambles.org>
Date: Fri, 14 Jul 2017 23:45:04 +0100
Subject: [duktape] Revert duk_config.h to its original state

---
 ports/duktape/portfile.cmake | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/ports/duktape/portfile.cmake b/ports/duktape/portfile.cmake
index 84278616c..14934a31a 100644
--- a/ports/duktape/portfile.cmake
+++ b/ports/duktape/portfile.cmake
@@ -8,11 +8,13 @@ vcpkg_download_distfile(ARCHIVE_FILE
 )
 vcpkg_extract_source_archive(${ARCHIVE_FILE})
 
-# Patch duk_config.h to remove 'undef DUK_F_DLL_BUILD'
-vcpkg_apply_patches(
-    SOURCE_PATH ${SOURCE_PATH}
-    PATCHES "${CMAKE_CURRENT_LIST_DIR}/duk_config.h.patch"
-)
+if(VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
+    # Patch duk_config.h to remove 'undef DUK_F_DLL_BUILD'
+    vcpkg_apply_patches(
+        SOURCE_PATH ${SOURCE_PATH}
+        PATCHES "${CMAKE_CURRENT_LIST_DIR}/duk_config.h.patch"
+    )
+endif()
 
 vcpkg_configure_cmake(
     SOURCE_PATH ${CMAKE_PATH}
@@ -21,6 +23,13 @@ vcpkg_configure_cmake(
 
 vcpkg_install_cmake()
 
+# Revert duk_config.h to its original state
+# This is always done in case the file has already been previously patched
+set(DUK_CONFIG_H_PATH "${CURRENT_PACKAGES_DIR}/include/duk_config.h")
+file(READ ${DUK_CONFIG_H_PATH} CONTENT)
+string(REPLACE "// #undef DUK_F_DLL_BUILD" "#undef DUK_F_DLL_BUILD" CONTENT "${CONTENT}")
+file(WRITE ${DUK_CONFIG_H_PATH} "${CONTENT}")
+
 # Remove debug include
 file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
 
-- 
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