编译inkscape遇见错误，求高人指点。（libpng15相关）

lifuhua666666

make  all-recursive
make[1]: Entering directory `/home/me/inkscape/install/inkscape-0.48.3.1'
Making all in src
make[2]: Entering directory `/home/me/inkscape/install/inkscape-0.48.3.1/src'
  CXX    helper/png-write.o
helper/png-write.cpp: In function ‘bool sp_png_write_rgba_striped(SPDocument*, const gchar*, long unsigned int, long unsigned int, double, double, int (*)(const guchar**, int, int, void*), void*)’:
helper/png-write.cpp:169: error: invalid use of incomplete type ‘struct png_struct_def’
/usr/local/include/libpng15/png.h:857: error: forward declaration of ‘struct png_struct_def’
make[2]: *** [helper/png-write.o] Error 1
make[2]: Leaving directory `/home/me/inkscape/install/inkscape-0.48.3.1/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/me/inkscape/install/inkscape-0.48.3.1'
make: *** [all] Error 2

lifuhua666666

可能和libpng库的版本有关系（猜的），为了编译通过，
暂时将/usr/local/include/libpng15/png.h:中857行 的
typedef struct png_struct_def png_struct
改为
typedef struct png_struct_def
{
        __jmp_buf_tag*  jmpbuf;
} png_struct;

现编译通过，但估计会影响程序功能，哪位高人路过请帮忙真正解决之，谢谢。