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Re: unable to build arm9 gdb lack of termcap, termcap not provided by nc

From: Dan Kegel
Subject: Re: unable to build arm9 gdb lack of termcap, termcap not provided by ncurses, rather terminfo
Date: Thu, 30 Oct 2003 14:18:14 -0800
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4.1) Gecko/20031008

Wolcott, Ken (MED, Compuware) wrote:
I'm still unable to build an arm9 gdb using Dan Kegel's crosstool (http://www.kegel.com/crosstool/) and a patched (ncurses-5.3-20031025) ncurses-5.3 because it complains about a missing termcap. ncurses provides terminfo but I don't see a termcap. The patched ncurses-53 apparently builds successfully if I turn off ada language support. crosstool apparently builds the arm9 cross toolchain successfully. Perhaps I haven't placed the libraries generated by ncurses in the correct location for the gdb build to see them. I copied /tmp/ncurses/src/lib/* to the lib dir created by crosstool. Perhaps gdb configure needs to be told where to get libraries from? Bzip2'd output from the gdb build attempt and the script that initiates the build are attached.

(A couple tips:
add set -x to your build scripts in the future, makes the logs easier to read.
add set -e as well, so the script aborts at first error.)

The thing to do here is to read gdb's configure script to see where it is
outputting that error message, "configure: error: no termcap library found".
That will tell you how it's looking for the library.

Another thing you could do is use your cross-compiler to do a trivial program
that uses ncurses.  If it doesn't compile, or doesn't link, you have
installed ncurses wrong.

If you copied the files by hand, you probably installed them wrong.
It's better form to use ncurses' "make install" rule to install the files.
You may need to override the destination directory when you do this.
To tell how to do this, either read the ncurses Makefile, or look
at how some other package cross-builds and installs ncurses.  ptxdist
does the install step like this:

make DESTDIR=$(CROSS_LIB_DIR) prefix='' exec_prefix='' install

or something like /opt/crosstool/$(TARGET)/$(TOOLCOMBO)/$(TARGET)

- Dan

Dan Kegel

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