5.15. Ncurses-6.2

#### Linux From Scratch - Version 9.1-rc1

### Chapter 5. Constructing a Temporary System

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# 5.15. Ncurses-6.2

The Ncurses package contains libraries for terminal-independent handling of character screens.

Approximate build time: 0.6 SBU
Required disk space: 41 MB

## 5.15.1. Installation of Ncurses

First, ensure that gawk is found first during configuration:

    sed -i s/mawk// configure

Prepare Ncurses for compilation:

    ./configure --prefix=/tools \
                --with-shared   \
                --without-debug \
                --without-ada   \
                --enable-widec  \
                --enable-overwrite

The meaning of the configure options:

`--without-ada`

  This ensures that Ncurses does not build support for the Ada compiler which may be present on the host but will not be available once we enter the chroot environment.

`--enable-overwrite`

  This tells Ncurses to install its header files into `/tools/include`, instead of `/tools/include/ncurses`, to ensure that other packages can find the Ncurses headers successfully.

`--enable-widec`

  This switch causes wide-character libraries (e.g., `libncursesw.so.6.2`) to be built instead of normal ones (e.g., `libncurses.so.6.2`). These wide-character libraries are usable in both multibyte and traditional 8-bit locales, while normal libraries work properly only in 8-bit locales. Wide-character and normal libraries are source-compatible, but not binary-compatible.

Compile the package:

    make

This package has a test suite, but it can only be run after the package has been installed. The tests reside in the `test/` directory. See the `README` file in that directory for further details.

Install the package:

    make install
    ln -s libncursesw.so /tools/lib/libncurses.so

Details on this package are located in Section 6.27.2, “Contents of Ncurses.”

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