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my-autoconf-snapshots/AcSplit/CF_LD_RPATH_OPT
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dnl CF_LD_RPATH_OPT version: 9 updated: 2021/01/01 13:31:04 | |
dnl --------------- | |
dnl For the given system and compiler, find the compiler flags to pass to the | |
dnl loader to use the "rpath" feature. | |
AC_DEFUN([CF_LD_RPATH_OPT], | |
[ | |
AC_REQUIRE([CF_CHECK_CACHE]) | |
LD_RPATH_OPT= | |
if test "x$cf_cv_enable_rpath" != xno | |
then | |
AC_MSG_CHECKING(for an rpath option) | |
case "$cf_cv_system_name" in | |
(irix*) | |
if test "$GCC" = yes; then | |
LD_RPATH_OPT="-Wl,-rpath," | |
else | |
LD_RPATH_OPT="-rpath " | |
fi | |
;; | |
(linux*|gnu*|k*bsd*-gnu|freebsd*) | |
LD_RPATH_OPT="-Wl,-rpath," | |
;; | |
(openbsd[[2-9]].*|mirbsd*) | |
LD_RPATH_OPT="-Wl,-rpath," | |
;; | |
(dragonfly*) | |
LD_RPATH_OPT="-rpath " | |
;; | |
(netbsd*) | |
LD_RPATH_OPT="-Wl,-rpath," | |
;; | |
(osf*|mls+*) | |
LD_RPATH_OPT="-rpath " | |
;; | |
(solaris2*) | |
LD_RPATH_OPT="-R" | |
;; | |
(*) | |
;; | |
esac | |
AC_MSG_RESULT($LD_RPATH_OPT) | |
case "x$LD_RPATH_OPT" in | |
(x-R*) | |
AC_MSG_CHECKING(if we need a space after rpath option) | |
cf_save_LIBS="$LIBS" | |
CF_ADD_LIBS(${LD_RPATH_OPT}$libdir) | |
AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes) | |
LIBS="$cf_save_LIBS" | |
AC_MSG_RESULT($cf_rpath_space) | |
test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT " | |
;; | |
esac | |
fi | |
])dnl |