From bdd65db9b9cd6d5dbdff9b48e97379029f8a3a1a Mon Sep 17 00:00:00 2001 From: Hans-Peter Nilsson Date: Wed, 15 Oct 2014 02:54:56 +0200 Subject: [PATCH] lib/ld-lib.exp (check_sysroot_available): New proc. --- ld/testsuite/ChangeLog | 4 ++++ ld/testsuite/lib/ld-lib.exp | 18 ++++++++++++++++++ 2 files changed, 22 insertions(+) diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog index fd0c8baa46..f8dcc96f8a 100644 --- a/ld/testsuite/ChangeLog +++ b/ld/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2014-10-15 Hans-Peter Nilsson + + * lib/ld-lib.exp (check_sysroot_available): New proc. + 2014-10-04 Alan Modra * ld-elf/eh1.s: Don't create FDEs with zero address ranges. diff --git a/ld/testsuite/lib/ld-lib.exp b/ld/testsuite/lib/ld-lib.exp index 292a8734e6..ffdf8051f3 100644 --- a/ld/testsuite/lib/ld-lib.exp +++ b/ld/testsuite/lib/ld-lib.exp @@ -1669,6 +1669,24 @@ proc check_plugin_api_available { } { return $plugin_api_available_saved } +# Returns true if the target ld supports sysroot. +proc check_sysroot_available { } { + global ld_sysroot_available_saved + global ld + if {![info exists ld_sysroot_available_saved]} { + # Check if ld supports --sysroot *other* than empty + # (non-sysroot linkers don't emit errors for --sysroot=""). + # The help-text by itself is no indication as it always lists --sysroot. + set status [remote_exec host $ld "--sysroot=ldxyzzy --help >/dev/null"] + if { [lindex $status 0] != 0 } { + set ld_sysroot_available_saved 0 + } else { + set ld_sysroot_available_saved 1 + } + } + return $ld_sysroot_available_saved +} + # Returns true if the target compiler supports LTO proc check_lto_available { } { global lto_available_saved -- 2.34.1