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d5a92ea924
"modula-3-lib". It installs only the shared libraries needed for executing Modula-3 programs. This saves a lot of disk space for people who need to run Modula-3 programs but don't need to build them. The original "modula-3" port now depends on this one, and uses it to install the compiler and the rest of the development system. Also, everything is now built with optimization. I have been testing this for at least a month, and haven't seen any problems from it. It makes the libraries and executables substantially smaller. This new port also includes some hooks that will make SOCKS support possible in the near future.
75 lines
2.5 KiB
Bash
75 lines
2.5 KiB
Bash
#! /bin/sh
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#
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# This script determines whether certain earlier versions of the
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# Modula-3 port exist on the system in a place where the linker or
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# dynamic linker would find them. These earlier versions must be
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# removed before installing the current port, because they use higher
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# major version numbers for the shared libraries than this port uses.
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# This situation arose because of an ill-considered choice for the
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# major version numbers in those early ports. I am intentionally
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# breaking the rule that the version number should never be decreased,
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# in order to nip this unfortunate situation in the bud.
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if [ x$2 != xPRE-INSTALL ]; then
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exit 0
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fi
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check() {
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local list i lib_path oldIFS status
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status=0
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# Check the dynamic linker's hints.
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list=$(/sbin/ldconfig -r | grep "libm3\.so\.35[34]\." | sed "s/^.* => //")
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for file in ${list}; do
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if [ -f ${file} ]; then # The file actually exists
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echo $(dirname ${file})
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status=1
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fi
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done
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# Check any directories in LD_LIBRARY_PATH. Also, check the directory
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# where we intend to install the new libraries.
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lib_path=${PREFIX:-/usr/local}/lib/m3/FreeBSD2:${LD_LIBRARY_PATH}
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oldIFS=${IFS}; IFS=":"; set ${lib_path}; IFS=${oldIFS}
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for dir; do
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if [ x${dir} != x ]; then
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if echo ${dir}/libm3.so.35[34].* | grep -q "\*"; then # Not found
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:
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else # Found
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echo ${dir}
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status=1
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fi
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fi
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done
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return ${status}
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}
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tmp=/tmp/m3-inst$$a
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trap "rm -f ${tmp}" 1 2 3 15
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touch ${tmp}
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if check > ${tmp}; then
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rm -f ${tmp}
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exit 0
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else
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echo "*****************************************************************"
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echo "* IMPORTANT *"
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echo "* You currently have an older version of the Modula-3 port on *"
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echo "* your system. You must remove the older version before you *"
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echo "* install this one. Otherwise, a problem with the shared *"
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echo "* libraries in the older version will cause utter confusion. *"
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echo "* Please remove the older version and try again. *"
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echo "* *"
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echo "* Old Modula-3 shared libraries were found in the following *"
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echo "* directories: *"
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echo "* *"
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sort -u ${tmp} | awk '{ printf "* %-59s *\n", $0 }'
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echo "*****************************************************************"
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rm -f ${tmp}
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exit 1
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fi
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