--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ext/libpng-1.2.29/scripts/CMakeLists.txt	Sun Jun 29 18:44:17 2008 +0000
@@ -0,0 +1,210 @@
+                                             
+project(PNG)
+
+# Copyright (C) 2007 Glenn Randers-Pehrson
+# For conditions of distribution and use, see copyright notice in png.h
+
+set(PNGLIB_MAJOR 1)
+set(PNGLIB_MINOR 2)
+set(PNGLIB_RELEASE 29)
+set(PNGLIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR})
+set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_RELEASE})
+
+# needed packages
+find_package(ZLIB REQUIRED)
+if(NOT WIN32)
+ find_library(M_LIBRARY
+     NAMES m
+     PATHS /usr/lib /usr/local/lib
+ )
+ if(NOT M_LIBRARY)
+   message(STATUS
+     "math library 'libm' not found - floating point support disabled")
+ endif(NOT M_LIBRARY)
+else(NOT WIN32)
+ # not needed on windows
+ set(M_LIBRARY "")
+endif(NOT WIN32)
+
+
+# COMMAND LINE OPTIONS
+option(PNG_SHARED "Build shared lib" YES)
+option(PNG_STATIC "Build static lib" YES)
+if(MINGW)
+  option(PNG_TESTS  "Build pngtest" NO)
+else(MINGW)
+  option(PNG_TESTS  "Build pngtest" YES)
+endif(MINGW)
+option(PNG_NO_CONSOLE_IO "FIXME" YES)
+option(PNG_NO_STDIO      "FIXME" YES)
+option(PNG_DEBUG         "Build with debug output" YES)
+option(PNGARG            "FIXME" YES)
+#TODO:
+# PNG_CONSOLE_IO_SUPPORTED
+
+# maybe needs improving, but currently I don't know when we can enable what :)
+set(png_asm_tmp "OFF")
+if(NOT WIN32)
+ find_program(uname_executable NAMES uname PATHS /bin /usr/bin /usr/local/bin)
+ if(uname_executable)
+   EXEC_PROGRAM(${uname_executable} ARGS --machine OUTPUT_VARIABLE uname_output)
+   if("uname_output" MATCHES "^.*i[1-9]86.*$")
+      set(png_asm_tmp "ON")
+   else("uname_output" MATCHES "^.*i[1-9]86.*$")
+      set(png_asm_tmp "OFF")
+   endif("uname_output" MATCHES "^.*i[1-9]86.*$")
+ endif(uname_executable)
+else(NOT WIN32)
+ # this env var is normally only set on win64
+ SET(TEXT "ProgramFiles(x86)")
+ if("$ENV{${TEXT}}" STREQUAL "")
+  set(png_asm_tmp "ON")
+ endif("$ENV{${TEXT}}" STREQUAL "")
+endif(NOT WIN32)
+
+# SET LIBNAME
+# msvc does not append 'lib' - do it here to have consistent name
+if(MSVC)
+ set(PNG_LIB_NAME lib)
+endif(MSVC)
+set(PNG_LIB_NAME ${PNG_LIB_NAME}png${PNGLIB_MAJOR}${PNGLIB_MINOR})
+
+# to distinguish between debug and release lib
+set(CMAKE_DEBUG_POSTFIX "d")
+
+
+# OUR SOURCES
+set(libpng_sources
+ png.h
+ pngconf.h
+ png.c
+ pngerror.c
+ pngget.c
+ pngmem.c
+ pngpread.c
+ pngread.c
+ pngrio.c
+ pngrtran.c
+ pngrutil.c
+ pngset.c
+ pngtrans.c
+ pngwio.c
+ pngwrite.c
+ pngwtran.c
+ pngwutil.c
+)
+set(pngtest_sources
+       pngtest.c
+)
+# SOME NEEDED DEFINITIONS
+if(MSVC)
+  add_definitions(-DPNG_NO_MODULEDEF -D_CRT_SECURE_NO_DEPRECATE)
+endif(MSVC)
+
+add_definitions(-DZLIB_DLL)
+
+add_definitions(-DLIBPNG_NO_MMX)
+add_definitions(-DPNG_NO_MMX_CODE)
+
+if(PNG_CONSOLE_IO_SUPPORTED)
+ add_definitions(-DPNG_CONSOLE_IO_SUPPORTED)
+endif(PNG_CONSOLE_IO_SUPPORTED)
+
+if(PNG_NO_CONSOLE_IO)
+ add_definitions(-DPNG_NO_CONSOLE_IO)
+endif(PNG_NO_CONSOLE_IO)
+
+if(PNG_NO_STDIO)
+ add_definitions(-DPNG_NO_STDIO)
+endif(PNG_NO_STDIO)
+
+if(PNG_DEBUG)
+ add_definitions(-DPNG_DEBUG)
+endif(PNG_DEBUG)
+
+if(NOT M_LIBRARY AND NOT WIN32)
+ add_definitions(-DPNG_NO_FLOATING_POINT_SUPPORTED)
+endif(NOT M_LIBRARY AND NOT WIN32)
+
+# NOW BUILD OUR TARGET
+include_directories(${PNG_SOURCE_DIR} ${ZLIB_INCLUDE_DIR})
+
+if(PNG_SHARED)
+ add_library(${PNG_LIB_NAME} SHARED ${libpng_sources})
+ target_link_libraries(${PNG_LIB_NAME} ${ZLIB_LIBRARY} ${M_LIBRARY})
+endif(PNG_SHARED)
+if(PNG_STATIC)
+# does not work without changing name
+ set(PNG_LIB_NAME_STATIC ${PNG_LIB_NAME}_static)
+ add_library(${PNG_LIB_NAME_STATIC} STATIC ${libpng_sources})
+endif(PNG_STATIC)
+
+if(PNG_SHARED AND WIN32)
+ set_target_properties(${PNG_LIB_NAME} PROPERTIES DEFINE_SYMBOL PNG_BUILD_DLL)
+endif(PNG_SHARED AND WIN32)
+
+if(PNG_TESTS)
+# does not work with msvc due to png_lib_ver issue
+ add_executable(pngtest ${pngtest_sources})
+ target_link_libraries(pngtest ${PNG_LIB_NAME})
+#  add_test(pngtest ${PNG_SOURCE_DIR}/pngtest.png)
+endif(PNG_TESTS)
+
+
+# CREATE PKGCONFIG FILES
+# we use the same files like ./configure, so we have to set its vars
+set(prefix      ${CMAKE_INSTALL_PREFIX})
+set(exec_prefix ${CMAKE_INSTALL_PREFIX})
+set(libdir      ${CMAKE_INSTALL_PREFIX}/lib)
+set(includedir  ${CMAKE_INSTALL_PREFIX}/include)
+
+configure_file(${PNG_SOURCE_DIR}/scripts/libpng.pc.in
+  ${PNG_BINARY_DIR}/libpng.pc)
+configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in
+  ${PNG_BINARY_DIR}/libpng-config)
+configure_file(${PNG_SOURCE_DIR}/scripts/libpng.pc.in
+  ${PNG_BINARY_DIR}/${PNGLIB_NAME}.pc)
+configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in
+  ${PNG_BINARY_DIR}/${PNGLIB_NAME}-config)
+
+# SET UP LINKS
+set_target_properties(${PNG_LIB_NAME} PROPERTIES
+#    VERSION 0.${PNGLIB_RELEASE}.1.2.29
+     VERSION 0.${PNGLIB_RELEASE}.0
+     SOVERSION 0
+     CLEAN_DIRECT_OUTPUT 1)
+if(NOT WIN32)
+  # that's uncool on win32 - it overwrites our static import lib...
+  set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES
+     OUTPUT_NAME ${PNG_LIB_NAME}
+     CLEAN_DIRECT_OUTPUT 1)
+endif(NOT WIN32)
+# INSTALL
+install_targets(/lib ${PNG_LIB_NAME})
+if(PNG_STATIC)
+  install_targets(/lib ${PNG_LIB_NAME_STATIC})
+endif(PNG_STATIC)
+
+install(FILES png.h pngconf.h         DESTINATION include)
+install(FILES png.h pngconf.h         DESTINATION include/${PNGLIB_NAME})
+install(FILES libpng.3 libpngpf.3             DESTINATION man/man3)
+install(FILES png.5                           DESTINATION man/man5)
+install(FILES ${PNG_BINARY_DIR}/libpng.pc     DESTINATION lib/pkgconfig)
+install(FILES ${PNG_BINARY_DIR}/libpng-config      DESTINATION bin)
+install(FILES ${PNG_BINARY_DIR}/${PNGLIB_NAME}.pc  DESTINATION lib/pkgconfig)
+install(FILES ${PNG_BINARY_DIR}/${PNGLIB_NAME}-config DESTINATION bin)
+
+# what's with libpng.txt and all the extra files?
+
+
+# UNINSTALL
+# do we need this?
+
+
+# DIST
+# do we need this?
+
+# to create msvc import lib for mingw compiled shared lib
+# pexports libpng.dll > libpng.def
+# lib /def:libpng.def /machine:x86
+