Mercurial > vim
view src/link.sh @ 1575:0e3e601e66cf v7.1.288
updated for version 7.1-288
author | vimboss |
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date | Tue, 01 Apr 2008 12:31:14 +0000 |
parents | 96cd8222a819 |
children | 99e5a139e67a |
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#! /bin/sh # # link.sh -- try linking Vim with different sets of libraries, finding the # minimal set for fastest startup. The problem is that configure adds a few # libraries when they exist, but this doesn't mean they are needed for Vim. # # Author: Bram Moolenaar # Last change: 2006 Sep 26 # License: Public domain # # Warning: This fails miserably if the linker doesn't return an error code! # # Otherwise this script is fail-safe, falling back to the original full link # command if anything fails. echo "$LINK " >link.cmd exit_value=0 # # If auto/link.sed already exists, use it. We assume a previous run of # link.sh has found the correct set of libraries. # if test -f auto/link.sed; then echo "link.sh: The file 'auto/link.sed' exists, which is going to be used now." echo "link.sh: If linking fails, try deleting the auto/link.sed file." echo "link.sh: If this fails too, try creating an empty auto/link.sed file." else # If linking works with the full link command, try removing some libraries, # that are known not to be needed on at least one system. # Remove auto/pathdef.c if there is a new link command and compile it again. # There is a loop to remove libraries that appear several times. # # Notes: # - Can't remove Xext; It links fine but will give an error when running gvim # with Motif. # - Don't remove the last -lm: On HP-UX Vim links OK but crashes when the GTK # GUI is started, because the "floor" symbol could not be resolved. # cat link.cmd if sh link.cmd; then touch auto/link.sed cp link.cmd linkit.sh for libname in SM ICE nsl dnet dnet_stub inet socket dir elf iconv Xt Xmu Xp Xpm X11 Xdmcp x w dl pthread thread readline m perl crypt attr; do cont=yes while test -n "$cont"; do if grep "l$libname " linkit.sh >/dev/null; then if test ! -f link1.sed; then echo "link.sh: OK, linking works, let's try removing a few libraries." echo "link.sh: See auto/link.log for details." rm -f auto/link.log fi echo "s/-l$libname *//" >link1.sed sed -f auto/link.sed <link.cmd >linkit2.sh sed -f link1.sed <linkit2.sh >linkit.sh # keep the last -lm if test $libname != "m" || grep "lm " linkit.sh >/dev/null; then echo "link.sh: Trying to remove the $libname library..." cat linkit.sh >>auto/link.log # Redirect this link output, it may contain error messages which # should be ignored. if sh linkit.sh >>auto/link.log 2>&1; then echo "link.sh: We don't need the $libname library!" cat link1.sed >>auto/link.sed rm -f auto/pathdef.c else echo "link.sh: We DO need the $libname library." cont= cp link.cmd linkit.sh fi else cont= cp link.cmd linkit.sh fi else cont= cp link.cmd linkit.sh fi done done if test ! -f auto/pathdef.c; then $MAKE objects/pathdef.o fi if test ! -f link1.sed; then echo "link.sh: Linked fine, no libraries can be removed" touch link3.sed fi else exit_value=$? fi fi # # Now do the real linking. # if test -s auto/link.sed; then echo "link.sh: Using auto/link.sed file to remove a few libraries" sed -f auto/link.sed <link.cmd >linkit.sh cat linkit.sh if sh linkit.sh; then exit_value=0 echo "link.sh: Linked fine with a few libraries removed" else exit_value=$? echo "link.sh: Linking failed, making auto/link.sed empty and trying again" mv -f auto/link.sed link2.sed touch auto/link.sed rm -f auto/pathdef.c $MAKE objects/pathdef.o fi fi if test -f auto/link.sed -a ! -s auto/link.sed -a ! -f link3.sed; then echo "link.sh: Using unmodified link command" cat link.cmd if sh link.cmd; then exit_value=0 echo "link.sh: Linked OK" else exit_value=$? if test -f link2.sed; then echo "link.sh: Linking doesn't work at all, removing auto/link.sed" rm -f auto/link.sed fi fi fi # # cleanup # rm -f link.cmd linkit.sh link1.sed link2.sed link3.sed linkit2.sh # # return an error code if something went wrong # exit $exit_value # vim:set sw=2 et: