diff options
Diffstat (limited to 'mcon/U/libs.U')
| -rw-r--r-- | mcon/U/libs.U | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/mcon/U/libs.U b/mcon/U/libs.U index c17bc4a..01eaa50 100644 --- a/mcon/U/libs.U +++ b/mcon/U/libs.U @@ -1,11 +1,11 @@ -?RCS: $Id: libs.U 1 2006-08-24 12:32:52Z rmanfredi $ +?RCS: $Id: libs.U 167 2013-05-08 17:58:00Z rmanfredi $ ?RCS: ?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi ?RCS: -?RCS: You may redistribute only under the terms of the Artistic Licence, +?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 4.0. ?RCS: ?RCS: $Log: libs.U,v $ @@ -88,7 +88,7 @@ ?INIT:libswanted='' ?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 @@ -127,7 +127,7 @@ case "$usesocks" in "$define") libswanted="$libswanted socks5 socks5_sh" ;; esac ?X: Used later for link checks -echo "extern char printf(); int main() { printf(); return 0; }" > lt.c +echo "extern void abort(void); int main(void) { abort(); return 0; }" > lt.c libsfound='' libsfiles='' libsdirs='' @@ -173,7 +173,7 @@ for thislib in $libswanted; do ?X: ?X: It is not sufficient to find a .so on the disk. We must make sure ?X: that we can indeed supply the -lfoo line on the cc line to link against -?X: that library. On Linux for instance, a versionned .so will not be +?X: that library. On Linux for instance, a versioned .so will not be ?X: implicitly linked against, whereas it will work fine on Solaris 2.6. ?X: --RAM, 10/10/2003 ?X: @@ -210,7 +210,21 @@ for thislib in $libswanted; do fi done if $test ! -f "$xxx"; then - echo "No -l$thislib." +?X: +?X: Try linking against the library: gcc on linux platforms is notorious for +?X: using complex library search logic, especially on systems mixing 32-bit +?X: and 64-bit versions. +?X: + if $cc -o lt $ccflags $ldflags lt.c -l$thislib >/dev/null 2>&1 + then + echo "Found -l$thislib (via $cc)." + case " $dflt " in + *"-l$thislib "*) ;; + *) dflt="$dflt -l$thislib";; + esac + else + echo "No -l$thislib." + fi fi done set X $dflt |