[Image-SIG] installation error of PIL1.1.6

[Hwang, Youngha,Ph.D.]

Hi, could someone explain to me what the following error means?

Thanks, Youngha.

 

building '_imagingtk' extension
creating build/temp.linux-i686-2.5/Tk
gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O3 -Wall
-Wstrict-prototypes -fPIC -I/usr/include/freetype2 -IlibImaging
-I/programs/l/python/2.5.2/include -I/usr/local/include -I/usr/include
-I/programs/l/python/2.5.2/include/python2.5 -c _imagingtk.c -o
build/temp.linux-i686-2.5/_imagingtk.o
_imagingtk.c:20:16: error: tk.h: No such file or directory
_imagingtk.c:23: error: expected ‘)’ before ‘*’ token
_imagingtk.c:31: error: expected specifier-qualifier-list before ‘Tcl_Interp’
_imagingtk.c: In function ‘_tkinit’:
_imagingtk.c:37: error: ‘Tcl_Interp’ undeclared (first use in this function)
_imagingtk.c:37: error: (Each undeclared identifier is reported only once
_imagingtk.c:37: error: for each function it appears in.)
_imagingtk.c:37: error: ‘interp’ undeclared (first use in this function)
_imagingtk.c:45: error: expected expression before ‘)’ token
_imagingtk.c:51: error: ‘TkappObject’ has no member named ‘interp’
_imagingtk.c:55: warning: implicit declaration of function ‘TkImaging_Init’
error: command 'gcc' failed with exit status 1


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