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apkdiff/third_party/zlib/contrib/ada/cmake/binder_helper.cmake

@@ -0,0 +1,53 @@
+#CMAKE_ARGV0 = /path/to/cmake
+#CMAKE_ARGV1 = -P
+#CMAKE_ARGV2 = path/to/this/file
+#CMAKE_ARGV3 = binder
+#CMAKE_ARGV4 = ali
+
+if(NOT CMAKE_ARGV3)
+    message(FATAL_ERROR "binder not set")
+endif(NOT CMAKE_ARGV3)
+
+string(REPLACE ".o" ".ali" ALIPATH ${CMAKE_ARGV4})
+cmake_path(GET ALIPATH FILENAME ALI)
+cmake_path(REMOVE_FILENAME ALIPATH OUTPUT_VARIABLE ALI_SEARCH_PATH)
+
+set (REACHED_FLAGS FALSE)
+#iterate over additional objects, only the main one is needed
+foreach(arg RANGE 5 ${CMAKE_ARGC})
+    if(CMAKE_ARGV${arg} STREQUAL FLAGS)
+        set(REACHED_FLAGS TRUE)
+        continue()
+    endif(CMAKE_ARGV${arg} STREQUAL FLAGS)
+
+    string(SUBSTRING "${CMAKE_ARGV${arg}}" 0 2 start)
+
+    if(start STREQUAL "-O")
+        continue()
+    endif(start STREQUAL "-O")
+
+    if(REACHED_FLAGS)
+        list(APPEND FLAGS ${CMAKE_ARGV${arg}})
+    endif(REACHED_FLAGS)
+endforeach(arg RANGE 5 CMAKE_ARGC)
+
+list(APPEND FLAGS "-aO${ALI_SEARCH_PATH}")
+
+#first see if there is a main function
+execute_process(COMMAND ${CMAKE_ARGV3} bind ${ALI} ${FLAGS}
+                RESULT_VARIABLE MAIN_RESULT
+                OUTPUT_VARIABLE dont_care
+                ERROR_VARIABLE ERROR)
+
+if(MAIN_RESULT)
+    execute_process(COMMAND ${CMAKE_ARGV3} bind -n ${ALI} ${FLAGS}
+                    RESULT_VARIABLE RESULT
+                    OUTPUT_VARIABLE dont_care
+                    ERROR_VARIABLE ERROR)
+endif(MAIN_RESULT)
+
+if(RESULT)
+    message(FATAL_ERROR ${RESULT} ${ERROR})
+endif(RESULT)
+
+execute_process(COMMAND ${CMAKE_ARGV0} -E touch "${CMAKE_ARGV4}")