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| author | Olaf Flebbe <o.flebbe@science-computing.de> | 2010-05-25 13:22:56 +0200 |
|---|---|---|
| committer | Simo Sorce <idra@samba.org> | 2010-06-11 16:07:50 -0400 |
| commit | 7aa8af144efc6d57f33b90ac856096aa7089468d (patch) | |
| tree | 482ae60553641a0636073309fe14edf813c8c419 | |
| parent | c65eb4852c2c401149b840884e76a21ff7cd37c7 (diff) | |
| download | samba-7aa8af144efc6d57f33b90ac856096aa7089468d.tar.gz samba-7aa8af144efc6d57f33b90ac856096aa7089468d.tar.bz2 samba-7aa8af144efc6d57f33b90ac856096aa7089468d.zip | |
check if LD_AS_NEEDED breaks linking with libreadline fixes #7209
Signed-off-by: Simo Sorce <idra@samba.org>
| -rw-r--r-- | source3/configure.in | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/source3/configure.in b/source3/configure.in index 3f04136fba..c3b594d55d 100644 --- a/source3/configure.in +++ b/source3/configure.in @@ -1800,6 +1800,7 @@ fi AC_MSG_RESULT($BLDSHARED) +saved_before_as_needed_ldflags="$LDFLAGS" for flags in "-Wl,--as-needed" "-Wl,-z,ignore" "-z ignore" ; do saved_ldflags="$LDFLAGS" AC_MSG_CHECKING([if $flags works]) @@ -1813,6 +1814,25 @@ for flags in "-Wl,--as-needed" "-Wl,-z,ignore" "-z ignore" ; do test x"$ld_as_needed_flag_found" = xyes && break done +# check if we have to disable LD_AS_NEEDED_FLAG: +# On some systems for a veriety of reasons linking with +# -Wl,--as-needed -lreadline -lncurses fails +# we have to retest, if these combination is detected before. +# Bugzilla #7209 + +if test x$ac_cv_lib_readline_rl_callback_handler_install = xyes ; then + if test x$ld_as_needed_flag_found = xyes ; then + AC_MSG_CHECKING([if $LD_AS_NEEDED_FLAG works with readline]) + # try if check no fails + save_LIBS=$LIBS + LIBS="$LIBS $TERMLIBS" + AC_TRY_LINK([], [rl_callback_handler_install();], [AC_MSG_RESULT([yes])],[ AC_MSG_RESULT([no]); LDFLAGS="$saved_before_as_needed_ldflags"]) + LIBS="$save_LIBS" + fi +fi + + + # for historical reasons almost all linkers don't complain about unresolved # symbols in shared libs. Except for the internal samba modules we want to get # errors when we produce a shared lib with unresolved symbols. On some |