initial commit

cmake/libraries/libiconv.cmake

@@ -0,0 +1,25 @@
+if(PROJECT_ENABLE_LIBICONV)
+  if(PROJECT_BUILD)
+    add_definitions(-DPROJECT_ENABLE_LIBICONV)
+
+    find_library(libiconv_LIBRARIES NAMES libiconv.a)
+
+    link_libraries(${libiconv_LIBRARIES})
+  elseif(NOT PROJECT_IS_MINGW)
+    ExternalProject_Add(libiconv_project
+      PREFIX external
+      URL ${PROJECT_3RD_PARTY_DIR}/libiconv-${LIBICONV_VERSION}.tar.gz
+      URL_HASH SHA256=${LIBICONV_HASH}
+      BUILD_IN_SOURCE 1
+      LIST_SEPARATOR |
+      CONFIGURE_COMMAND ./configure 
+        --enable-shared=no
+        --enable-static=yes
+        --prefix=${PROJECT_EXTERNAL_BUILD_ROOT}
+      BUILD_COMMAND make -j1 
+      INSTALL_COMMAND make install
+    )
+
+    list(APPEND PROJECT_DEPENDENCIES libiconv_project)
+  endif()
+endif()