Mail Archives: cygwin/2001/05/15/14:33:01
I posted something earlier about this...
I've been trying to get QT to compile using cygwin. I've checked the
mailing lists and online information on porting it, and gotten pretty far,
but now i'm stuck on a problem I have no idea how to fix. It seems to be
trying to call a function that it can't find. I think(I'm a newbie at this)
that the '_imp__' prefix to all the errors means that its is trying to
access exported functions from another file.
--Output from running 'make'--
make[5]: Entering directory `/usr/local/qt/tools/designer'
if [ -d util ]; then cd util ; make; fi
make[6]: Entering directory `/usr/local/qt/tools/designer/util'
make[6]: Nothing to be done for `all'.
make[6]: Leaving directory `/usr/local/qt/tools/designer/util'
make[5]: Leaving directory `/usr/local/qt/tools/designer'
make uic
make[5]: Entering directory `/usr/local/qt/tools/designer'
if [ -d uic ]; then cd uic ; make; fi
make[6]: Entering directory `/usr/local/qt/tools/designer/uic'
g++ -L/usr/local/qt/lib -Wl,-rpath,/usr/local/qt/lib -o
/usr/local/qt/bin/uic
uic.o ../shared/widgetdatabase.o ../shared/domtool.o
../integration/kdevelop/kde
widgets.o -lqutil -L../lib -lqt -L/usr/X11R6/lib -I/usr/X11R6/include -l
SM -
lICE -lXft -L/usr/X11R6/lib -lGLU -lGL -lXmu -lXext -lX11 -lm
/usr/local/qt/lib/libqt.a(qpngio.o)(.text+0x38):qpngio.cpp: undefined
reference
to `_imp__png_get_io_ptr'
/usr/local/qt/lib/libqt.a(qpngio.o)(.text+0x70):qpngio.cpp: undefined
reference
to `_imp__png_error'
/usr/local/qt/lib/libqt.a(qpngio.o)(.text+0xab):qpngio.cpp: undefined
reference
to `_imp__png_get_io_ptr'
/usr/local/qt/lib/libqt.a(qpngio.o)(.text+0xdb):qpngio.cpp: undefined
reference
to `_imp__png_error'
/usr/local/qt/lib/libqt.a(qpngio.o)(.text+0xfa):qpngio.cpp: undefined
reference
to `_imp__png_get_io_ptr'
/usr/local/qt/lib/libqt.a(qpngio.o)(.text+0x13f):qpngio.cpp: undefined
reference
to `_imp__png_get_valid'
/usr/local/qt/lib/libqt.a(qpngio.o)(.text+0x15c):qpngio.cpp: undefined
reference
to `_imp__png_get_gAMA'
/usr/local/qt/lib/libqt.a(qpngio.o)(.text+0x17f):qpngio.cpp: undefined
reference
to `_imp__png_set_gamma'
/usr/local/qt/lib/libqt.a(qpngio.o)(.text+0x1b0):qpngio.cpp: undefined
reference
to `_imp__png_get_IHDR'
/usr/local/qt/lib/libqt.a(qpngio.o)(.text+0x451):qpngio.cpp: undefined
reference
to `_imp__png_set_packing'
/usr/local/qt/lib/libqt.a(qpngio.o)(.text+0x466):qpngio.cpp: undefined
reference
to `_imp__png_read_update_info'
-- ** GOES ON LIKE THIS FOR PAGES ** --
/usr/local/qt/lib/libqt.a(qpngio.o)(.text+0x2f45):qpngio.cpp: undefined
referenc
e to `_imp__png_get_x_pixels_per_meter'
/usr/local/qt/lib/libqt.a(qpngio.o)(.text+0x2f64):qpngio.cpp: undefined
referenc
e to `_imp__png_get_y_pixels_per_meter'
/usr/local/qt/lib/libqt.a(qpngio.o)(.text+0x2f8c):qpngio.cpp: undefined
referenc
e to `_imp__png_get_text'
collect2: ld returned 1 exit status
make[6]: *** [/usr/local/qt/bin/uic] Error 1
make[6]: Leaving directory `/usr/local/qt/tools/designer/uic'
From what I can figure out the functions that it is trying to call are
located in 'src/3rdparty/libpng/png.c'. Has anyone come across this
problem, or know how to fix it? The header files include <png.h> in
qpngio.cpp, png.h has a bunch of stuff like this( which i have no idea what
it does, and therefore can't fix ):
/* Return the user pointer associated with the I/O functions */
extern PNG_EXPORT(png_voidp,png_get_io_ptr) PNGARG((png_structp png_ptr));
/* Fatal error in PNG image of libpng - can't continue */
extern PNG_EXPORT(void,png_error) PNGARG((png_structp png_ptr,
png_const_charp error));
Thnx for the help...
*wave*
~Michael Chavez, Resident Newbie
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