?RCS: $Id: libs.U,v 3.0.1.6 1997/02/28 16:09:11 ram Exp $
?RCS:
?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS:
-?RCS: You may redistribute only under the terms of the Artistic Licence,
+?RCS:
+?RCS: You may redistribute only under the terms of the Artistic License,
?RCS: as specified in the README file that comes with the distribution.
?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
+?RCS: that same Artistic License; a copy of which may be found at the root
?RCS: of the source tree for dist 3.0.
?RCS:
?RCS: $Log: libs.U,v $
?RCS: Revision 3.0 1993/08/18 12:09:03 ram
?RCS: Baseline for dist 3.0 netwide release.
?RCS:
-?MAKE:libs ignore_versioned_solibs: \
- test cat Myread Oldconfig Loc libpth package xlibpth so _a usesocks
+?MAKE:libs ignore_versioned_solibs libsfound libsfiles libsdirs libspath: \
+ test cat Myread Oldconfig Loc libpth package xlibpth so _a \
+ usesocks sed uselongdouble
?MAKE: -pick add $@ %<
?S:libs:
?S: This variable holds the additional libraries we want to use.
-?S: It is up to the Makefile to deal with it.
+?S: It is up to the Makefile to deal with it. The list can be empty.
+?S:.
+?S:libsfound:
+?S: This variable holds the full pathnames of the libraries
+?S: we found and accepted.
+?S:.
+?S:libsfiles:
+?S: This variable holds the filenames aka basenames of the libraries
+?S: we found and accepted.
+?S:.
+?S:libsdirs:
+?S: This variable holds the directory names aka dirnames of the libraries
+?S: we found and accepted, duplicates are removed.
+?S:.
+?S:libspath:
+?S: This variable holds the directory names probed for libraries.
?S:.
?S:ignore_versioned_solibs:
?S: This variable should be non-empty if non-versioned shared
?S: libraries (libfoo.so.x.y) are to be ignored (because they
?S: cannot be linked against).
?S:.
-?T:xxx thislib libswanted
+?T:xxx yyy thislib thisdir libswanted libstyle
?D:libs=''
?X:
?X: This order is chosen so that libraries -lndir, -ldir, -lucb, -lbsd,
?X: -lBSD, -lPW, and -lx only get used if there are unresolved
-?X: routines at link time. Usually, these are backwards compatability
+?X: routines at link time. Usually, these are backwards compatibility
?X: libraries, and may not be as reliable as the standard c library.
?X:
?X: The -lsocket -linet -lnsl order has been reported to be necessary
?X: Set proper libswanted in your private Myinit.U if needed.
?X:
?X:: default ordered library list
-?X:libswanted='net socket inet nsl nm sdbm gdbm ndbm dbm malloc dl'
+?X:libswanted='net socket inet bind nsl nm sdbm gdbm ndbm dbm malloc dl'
?X:libswanted="$libswanted dld sun m c_s c posix cposix ndir dir ucb"
?X:libswanted="$libswanted bsd BSD PW x"
?X:
?INIT:libswanted=''
?INIT:: some systems want to use only the non-versioned libso:s
?INIT:ignore_versioned_solibs=''
+?LINT:extern usecbacktrace
+?LINT:extern libscheck
+?LINT:extern p
+?LINT:use uselongdouble
: Looking for optional libraries
echo " "
echo "Checking for optional libraries..." >&4
case "$libswanted" in
'') libswanted='c_s';;
esac
-?X: libsocks has nasty naming.
+?X: libsocks has nasty naming scheme.
+?X: This does not work if somebody wants SOCKS 4.
case "$usesocks" in
-$define)
- libswanted="$libswanted socks5 socks5_sh"
- ;;
+"$define") libswanted="$libswanted socks5 socks5_sh" ;;
+esac
+case "$usecbacktrace" in
+"$define") libswanted="$libswanted bfd" ;;
esac
+libsfound=''
+libsfiles=''
+libsdirs=''
+libspath=''
+for thisdir in $libpth $xlibpth; do
+ test -d $thisdir && libspath="$libspath $thisdir"
+done
for thislib in $libswanted; do
-
-?X:
-?X: Comparisons via case statement use the string " $dflt " to ensure that
-?X: each library is separated by a space. That way, by looking to something
-?X: like *"-l$thislib "*, we ensure we find -lm and not -lmalloc (which was
-?X: the case with the old looking pattern *-l$thislib*.
-?X:
- if xxx=`./loc lib$thislib.$so.[0-9]'*' X $libpth`;
- $test -f "$xxx" -a "X$ignore_versioned_solibs" = "X"; then
- echo "Found -l$thislib (shared)."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l$thislib";;
- esac
- elif xxx=`./loc lib$thislib.$so X $libpth` ; $test -f "$xxx"; then
- echo "Found -l$thislib (shared)."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l$thislib";;
- esac
- elif xxx=`./loc lib$thislib$_a X $libpth`; $test -f "$xxx"; then
- echo "Found -l$thislib."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l$thislib";;
- esac
-?X: Don't forget about OS/2 where -lmalloc is spelled out malloc.a
- elif xxx=`./loc $thislib$_a X $libpth`; $test -f "$xxx"; then
- echo "Found -l$thislib."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l$thislib";;
- esac
- elif xxx=`./loc lib${thislib}_s$_a X $libpth`; $test -f "$xxx"; then
- echo "Found -l${thislib}_s."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l${thislib}_s";;
+ for thisdir in $libspath; do
+ xxx=''
+ if $test ! -f "$xxx" -a "X$ignore_versioned_solibs" = "X"; then
+ xxx=`ls $thisdir/lib$thislib.$so.[0-9] 2>/dev/null|sed -n '$p'`
+ $test -f "$xxx" && eval $libscheck
+ $test -f "$xxx" && libstyle=shared
+ xxx=`ls $thisdir/lib$thislib.[0-9].$so 2>/dev/null|sed -n '$p'`
+ $test -f "$xxx" && eval $libscheck
+ $test -f "$xxx" && libstyle=shared
+ fi
+ if test ! -f "$xxx"; then
+ xxx=$thisdir/lib$thislib.$so$_a
+ $test -f "$xxx" && eval $libscheck
+ $test -f "$xxx" && libstyle="import"
+ fi
+ if test ! -f "$xxx"; then
+ xxx=$thisdir/$thislib.$so$_a
+ $test -f "$xxx" && eval $libscheck
+ $test -f "$xxx" && libstyle="import"
+ fi
+ if test ! -f "$xxx"; then
+ xxx=$thisdir/lib$thislib.$so
+ $test -f "$xxx" && eval $libscheck
+ $test -f "$xxx" && libstyle=shared
+ fi
+ if test ! -f "$xxx"; then
+ xxx=$thisdir/lib$thislib$_a
+ $test -f "$xxx" && eval $libscheck
+ $test -f "$xxx" && libstyle=static
+ fi
+ if test ! -f "$xxx"; then
+ xxx=$thisdir/$thislib$_a
+ $test -f "$xxx" && eval $libscheck
+ $test -f "$xxx" && libstyle=static
+ fi
+ if test ! -f "$xxx"; then
+ xxx=$thisdir/lib${thislib}_s$_a
+ $test -f "$xxx" && eval $libscheck
+ $test -f "$xxx" && libstyle=static
+ $test -f "$xxx" && thislib=${thislib}_s
+ fi
+ if test ! -f "$xxx"; then
+ xxx=$thisdir/Slib$thislib$_a
+ $test -f "$xxx" && eval $libscheck
+ $test -f "$xxx" && libstyle=static
+ fi
+ if $test -f "$xxx"; then
+ case "$libstyle" in
+ shared) echo "Found -l$thislib (shared)." ;;
+ static) echo "Found -l$thislib." ;;
+ *) echo "Found -l$thislib ($libstyle)." ;;
esac
- elif xxx=`./loc Slib$thislib$_a X $xlibpth`; $test -f "$xxx"; then
- echo "Found -l$thislib."
case " $dflt " in
*"-l$thislib "*);;
- *) dflt="$dflt -l$thislib";;
+ *) dflt="$dflt -l$thislib"
+ libsfound="$libsfound $xxx"
+ yyy=`basename $xxx`
+ libsfiles="$libsfiles $yyy"
+ yyy=`echo $xxx|$sed -e "s%/$yyy\\$%%"`
+ case " $libsdirs " in
+ *" $yyy "*) ;;
+ *) libsdirs="$libsdirs $yyy" ;;
+ esac
+ ;;
esac
- else
- echo "No -l$thislib."
+ break
+ fi
+ done
+ if $test ! -f "$xxx"; then
+ echo "No -l$thislib."
fi
done
set X $dflt
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