Better ANSI C compatibility and portability - part 1:

+ Addition of function prototypes.
+ Change function definitions to ANSI C style.
+ Convert to sed scripts some shell scripts for better portability.
+ Reduce usage of em_path.h

h/CMakeLists.txt

@@ -0,0 +1,26 @@
+cmake_minimum_required (VERSION 3.0)
+project(emheaders)
+
+# Create an include only library to be used
+# for easier dependency management.
+
+# Created when generating the CMake file.
+file(WRITE  ${CMAKE_CURRENT_BINARY_DIR}/local.h "#define VERSION 3")
+file(APPEND ${CMAKE_CURRENT_BINARY_DIR}/local.h "#define ACKM ")
+file(APPEND ${CMAKE_CURRENT_BINARY_DIR}/local.h "#define BIGMACHINE 1")
+file(APPEND ${CMAKE_CURRENT_BINARY_DIR}/local.h "#define SYS_5")
+
+
+add_library(${PROJECT_NAME} INTERFACE)
+target_include_directories(${PROJECT_NAME} INTERFACE ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR})
+
+
+install(TARGETS ${PROJECT_NAME} 
+        RUNTIME DESTINATION bin
+        LIBRARY DESTINATION lib
+        ARCHIVE DESTINATION lib
+        PUBLIC_HEADER DESTINATION include
+)
+
+
+