diff options
Diffstat (limited to 'mcon/U/usenm.U')
| -rw-r--r-- | mcon/U/usenm.U | 77 |
1 files changed, 50 insertions, 27 deletions
diff --git a/mcon/U/usenm.U b/mcon/U/usenm.U index a5c8766..a868af5 100644 --- a/mcon/U/usenm.U +++ b/mcon/U/usenm.U @@ -1,12 +1,12 @@ -?RCS: $Id: usenm.U,v 3.0.1.1 1997/02/28 16:26:40 ram Exp $ +?RCS: $Id$ ?RCS: -?RCS: Copyright (c) 1991-1993, Raphael Manfredi +?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi ?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: that same Artistic Licence; a copy of which may be found at the root -?RCS: of the source tree for dist 3.0. +?RCS: of the source tree for dist 4.0. ?RCS: ?RCS: $Log: usenm.U,v $ ?RCS: Revision 3.0.1.1 1997/02/28 16:26:40 ram @@ -16,8 +16,8 @@ ?RCS: Revision 3.0 1993/08/18 12:09:57 ram ?RCS: Baseline for dist 3.0 netwide release. ?RCS: -?MAKE:usenm runnm nm_opt nm_so_opt: cat test Myread Oldconfig myuname grep \ - d_gnulibc +?MAKE:usenm runnm nm_opt nm_so_opt: cat test Myread Oldconfig grep \ + d_gnulibc nm egrep rsrc osname Guess ?MAKE: -pick add $@ %< ?S:usenm: ?S: This variable contains 'true' or 'false' depending whether the @@ -46,42 +46,63 @@ ?X: Don't bother if we're using GNU libc -- skimo case "$usenm" in '') + dflt='' case "$d_gnulibc" in - $define) + "$define") + echo " " + echo "$nm probably won't work on the GNU C Library." >&4 dflt=n ;; - *) - dflt=`egrep 'inlibc|csym' ../Configure | wc -l 2>/dev/null` - if $test $dflt -gt 20; then - dflt=y - else + esac + case "$dflt" in + '') + if $test "$osname" = aix -a ! -f /lib/syscalls.exp; then + echo " " + echo "Whoops! This is an AIX system without /lib/syscalls.exp!" >&4 + echo "'nm' won't be sufficient on this system." >&4 + dflt=n + fi + ;; + esac + case "$dflt" in + '') + if ./gnu; then + echo " " + echo "Hmm... A GNU system without a GNU C Library? Weird..." >&4 dflt=n + else + dflt=`$egrep 'inlibc|csym' $rsrc/Configure | wc -l 2>/dev/null` + if $test $dflt -gt 20; then + dflt=y + else + dflt=n + fi fi ;; esac ;; *) case "$usenm" in - true) dflt=y;; + true|$define) dflt=y;; *) dflt=n;; esac ;; esac $cat <<EOM -I can use 'nm' to extract the symbols from your C libraries. This is a time -consuming task which may generate huge output on the disk (up to 3 megabytes) -but that should make the symbols extraction faster. The alternative is to skip -the 'nm' extraction part and to compile a small test program instead to -determine whether each symbol is present. If you have a fast C compiler and/or -if your 'nm' output cannot be parsed, this may be the best solution. -You shouldn't let me use 'nm' if you have the GNU C Library. +I can use $nm to extract the symbols from your C libraries. This +is a time consuming task which may generate huge output on the disk (up +to 3 megabytes) but that should make the symbols extraction faster. The +alternative is to skip the 'nm' extraction part and to compile a small +test program instead to determine whether each symbol is present. If +you have a fast C compiler and/or if your 'nm' output cannot be parsed, +this may be the best solution. EOM rp='Shall I use nm to extract C symbols from the libraries?' . ./myread case "$ans" in -n|N) usenm=false;; +[Nn]*) usenm=false;; *) usenm=true;; esac @@ -96,22 +117,24 @@ esac : nm options which may be necessary case "$nm_opt" in '') if $test -f /mach_boot; then - nm_opt='' + nm_opt='' # Mach elif $test -d /usr/ccs/lib; then - nm_opt='-p' + nm_opt='-p' # Solaris (and SunOS?) elif $test -f /dgux; then - nm_opt='-p' + nm_opt='-p' # DG-UX + elif $test -f /lib64/rld; then + nm_opt='-p' # 64-bit Irix else nm_opt='' fi;; esac -: nm options which may be necessary for shared libraries but illegal -: for archive libraries. Thank you, Linux. +?X: nm options which may be necessary for shared libraries but illegal +?X: for archive libraries. Thank you, Linux. case "$nm_so_opt" in -'') case "$myuname" in +'') case "$osname" in *linux*) - if nm --help | $grep 'dynamic' > /dev/null 2>&1; then + if $nm --help | $grep 'dynamic' > /dev/null 2>&1; then nm_so_opt='--dynamic' fi ;; |