diff options
Diffstat (limited to 'source3/configure.in')
| -rw-r--r-- | source3/configure.in | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/source3/configure.in b/source3/configure.in index 69596df46c..80a347cd4e 100644 --- a/source3/configure.in +++ b/source3/configure.in @@ -377,6 +377,10 @@ esac DYNEXP= AC_SUBST(DYNEXP) +LDSHFLAGS_Z_DEFS= +AC_SUBST(LDSHFLAGS_Z_DEFS) +LDSHFLAGS_Z_NODEFS= +AC_SUBST(LDSHFLAGS_Z_NODEFS) dnl Add modules that have to be built by default here dnl These have to be built static: @@ -1557,10 +1561,9 @@ DSO_EXPORTS="" AC_DEFINE(LINUX,1,[Whether the host os is linux]) ;; esac BLDSHARED="true" + LDSHFLAGS="-shared -Wl,-Bsymbolic" if test "${ac_cv_gnu_ld_no_default_allow_shlib_undefined}" = "yes"; then - LDSHFLAGS="-shared -Wl,-Bsymbolic -Wl,--allow-shlib-undefined" - else - LDSHFLAGS="-shared -Wl,-Bsymbolic" + LDSHFLAGS_Z_NODEFS="-Wl,--allow-shlib-undefined" fi DYNEXP="-Wl,--export-dynamic" PICFLAG="-fPIC" @@ -1772,6 +1775,27 @@ if test x"${ac_cv_prog_gnu_ld}" = x"yes"; then LDFLAGS="$LD_AS_NEEDED_FLAG $saved_ldflags" fi +# for historical reasons almost all linkers don't complain about unresolved +# symbols in shared libs. Except for the internal samba modules we want to get +# errors when we produce a shared lib with unresolved symbols. On some +# platforms unresolved symbols might be intended, so we might have to add +# platform specific exceptions here. + +for flags in "-Wl,-z,defs" "-error_unresolved" "-Wl,-error_unresolved" ; do + saved_ldflags="$LDFLAGS" + AC_MSG_CHECKING([if $flags works]) + LDFLAGS="$flags $saved_ldflags" + AC_TRY_LINK([],[], + [AC_MSG_RESULT([yes]) + LDSHFLAGS_Z_DEFS=$flags + ldshflags_z_defs_found=yes], + AC_MSG_RESULT([no])) + LDFLAGS=$saved_ldflags + test x"$ldshflags_z_defs_found" = xyes && break +done + +AC_MSG_CHECKING([LDSHFLAGS_Z_DEFS]) +AC_MSG_RESULT([$LDSHFLAGS_Z_DEFS]) AC_MSG_CHECKING([LDFLAGS]) AC_MSG_RESULT([$LDFLAGS]) AC_MSG_CHECKING([DYNEXP]) |