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Tk lib build doesn't look in the Tcl build directory
- From: Phil Edwards <phil at jaj dot com>
- To: insight at sources dot redhat dot com
- Date: Sun, 14 Jul 2002 13:06:40 -0400
- Subject: Tk lib build doesn't look in the Tcl build directory
Trying to build CVS GDB. It fails in the tk stage with (command wrapped):
rm -f libtk8.3.so
gcc -pipe -shared -o libtk8.3.so [a gazillion object files]
-Wl,-rpath,/home/pme/build/install-2002-07-14/lib:/usr/X11R6/lib
-L/home/pme/build/install-2002-07-14/lib -ltclstub8.3 -L/usr/X11R6/lib
-lX11 -ldl -lieee -lm -lc
/usr/bin/ld: cannot find -ltclstub8.3
collect2: ld returned 1 exit status
gmake[2]: *** [libtk8.3.so] Error 1
gmake[2]: Leaving directory `/home/pme/build/build-2002-07-14/tk/unix'
Looking in the generated Makefile, I see the rule being fired is
${TK_LIB_FILE}: ${OBJS}
rm -f ${TK_LIB_FILE}
${SHLIB_LD} -o ${TK_LIB_FILE} ${OBJS} $(TK_LD_SEARCH_FLAGS) -L/home/pme/build/install-2002-07-14/lib -ltclstub8.3${TCL_DBGX} ${LIBS}
@case ${TK_LIB_FILE} in *.a) $(TK_RANLIB) ${TK_LIB_FILE};; esac
Okay, that's obvious enough. The -l is being given, but not the correct
-L, since tcl hasn't been installed yet (the tree is still building).
Where is this line generated from? The tk/unix/Makefile.in has the entire
line written as @MAKE_LIB@.
This in turn is set in tk/unix/configure.in with
MAKE_LIB="\${SHLIB_LD} -o \${TK_LIB_FILE} \${OBJS} \$(TK_LD_SEARCH_FLAGS) ${TCL_STUB_LIB_SPEC} \${LIBS}"
so the "-L$prefix/lib -ltclstub8.3" is clearly the expansion of
TCL_STUB_LIB_SPEC. However, this variable seems to be set in some other
tclConfig file, and that's as far as I got before giving up.
Am I the only one seeing this? It would seem that the Tk build requires
all the Tcl stuff to have been /installed/, not just built, before it itself
can build. Perhaps the majority (totality?) of the developers already have
a Tcl installation somewhere in the default paths searched by the linker?
Phil
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