postinst is in gcc 4:4.6.3-1ubuntu5.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | #! /bin/sh -e
# remove the doc dir, if it's still a directory and replace with a symlink
pkg=`basename $0 .postinst`
if [ ! -L /usr/share/doc/$pkg ]; then
rm -rf /usr/share/doc/$pkg
ln -s cpp /usr/share/doc/$pkg
fi
update-alternatives --quiet \
--install /usr/bin/cc cc /usr/bin/gcc 20 \
--slave /usr/share/man/man1/cc.1.gz cc.1.gz /usr/share/man/man1/gcc.1.gz
update-alternatives --quiet \
--install /usr/bin/c89 c89 /usr/bin/c89-gcc 20 \
--slave /usr/share/man/man1/c89.1.gz c89.1.gz /usr/share/man/man1/c89-gcc.1.gz
update-alternatives --quiet \
--install /usr/bin/c99 c99 /usr/bin/c99-gcc 20 \
--slave /usr/share/man/man1/c99.1.gz c99.1.gz /usr/share/man/man1/c99-gcc.1.gz
# remove f77 alternative left over from an old egcs version ...
if [ -h /etc/alternatives/f77 -a ! -e /etc/alternatives/f77 ]; then
rm -f /etc/alternatives/f77
fi
exit 0
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