?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:
?RCS: You may redistribute only under the terms of the Artistic Licence,
?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: Revision 3.0 1993/08/18 12:09:03 ram
?RCS: Baseline for dist 3.0 netwide release.
?RCS:
-?MAKE:libs ignore_versioned_solibs libsfound libsfiles libsdirs: \
+?MAKE:libs ignore_versioned_solibs libsfound libsfiles libsdirs libspath: \
test cat Myread Oldconfig Loc libpth package xlibpth so _a \
- usesocks ccflags
+ usesocks sed uselongdouble
?MAKE: -pick add $@ %<
?S:libs:
?S: This variable holds the additional libraries we want to use.
-?S: It is up to the Makefile to deal with it.
+?S: It is up to the Makefile to deal with it. The list can be empty.
?S:.
?S:libsfound:
?S: This variable holds the full pathnames of the libraries
?S: This variable holds the directory names aka dirnames of the libraries
?S: we found and accepted, duplicates are removed.
?S:.
+?S:libspath:
+?S: This variable holds the directory names probed for libraries.
+?S:.
?S:ignore_versioned_solibs:
?S: This variable should be non-empty if non-versioned shared
?S: libraries (libfoo.so.x.y) are to be ignored (because they
?S: cannot be linked against).
?S:.
-?T:xxx yyy thislib libswanted libstyle libname
+?T:xxx yyy thislib thisdir libswanted libstyle
?D:libs=''
?X:
?X: This order is chosen so that libraries -lndir, -ldir, -lucb, -lbsd,
?X: Set proper libswanted in your private Myinit.U if needed.
?X:
?X:: default ordered library list
-?X:libswanted='net socket inet nsl nm sdbm gdbm ndbm dbm malloc dl'
+?X:libswanted='net socket inet bind nsl nm sdbm gdbm ndbm dbm malloc dl'
?X:libswanted="$libswanted dld sun m c_s c posix cposix ndir dir ucb"
-?X:libswanted="$libswanted bsd BSD PW x iconv"
+?X:libswanted="$libswanted bsd BSD PW x"
?X:
?INIT:: default library list
?INIT:libswanted=''
?INIT:: some systems want to use only the non-versioned libso:s
?INIT:ignore_versioned_solibs=''
?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
+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$thislib*.
-?X:
- libname="$thislib"
- if xxx=`./loc lib$thislib.$so.[0-9]'*' X $libpth`
- $test -f "$xxx" -a "X$ignore_versioned_solibs" = "X" ; then
- libstyle=shared
- elif xxx=`./loc lib$thislib.$so X $libpth` ; $test -f "$xxx"; then
- libstyle=shared
- elif xxx=`./loc lib$thislib$_a X $libpth`; $test -f "$xxx"; then
- libstyle=static
-?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
- libstyle=static
- elif xxx=`./loc lib${thislib}_s$_a X $libpth`; $test -f "$xxx"; then
- libstyle=static
- libname=${thislib}_s
- elif xxx=`./loc Slib$thislib$_a X $xlibpth`; $test -f "$xxx"; then
- libstyle="static"
- fi
- if $test -f "$xxx"; then
-?X: If $xxx is not to be used as a library, $libscheck (set in
-?X: some hints file, most likely) should set the $xxx to a non-file.
- eval $libscheck
- fi
- if $test -f "$xxx"; then
+ 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
+ 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 "$libstyle" in
- shared) echo "Found -l$libname (shared)." ;;
- static) echo "Found -l$libname." ;;
- *) echo "Found -l$libname ($libstyle)." ;;
+ shared) echo "Found -l$thislib (shared)." ;;
+ static) echo "Found -l$thislib." ;;
+ *) echo "Found -l$thislib ($libstyle)." ;;
esac
case " $dflt " in
*"-l$thislib "*);;
- *) dflt="$dflt -l$libname"
+ *) dflt="$dflt -l$thislib"
libsfound="$libsfound $xxx"
yyy=`basename $xxx`
libsfiles="$libsfiles $yyy"
- yyy=`echo $xxx|sed "s@/$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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