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[VxWorks, committed] Fix gcsec1.c failures
- From: Richard Sandiford <richard at codesourcery dot com>
- To: gcc-patches at gcc dot gnu dot org
- Date: Thu, 15 Mar 2007 09:34:25 +0000
- Subject: [VxWorks, committed] Fix gcsec1.c failures
--gc-sections can't be used on VxWorks for the reasons given in the
comment below. Tested on i586-wrs-vxworks and x86_64-linux-gnu,
applied to mainline as obvious.
Richard
gcc/testsuite/
* lib/target-supports.exp (check_gc_sections_available): Return
false for VxWorks targets.
Index: gcc/testsuite/lib/target-supports.exp
===================================================================
--- gcc/testsuite/lib/target-supports.exp (revision 122924)
+++ gcc/testsuite/lib/target-supports.exp (working copy)
@@ -286,6 +286,14 @@ proc check_gc_sections_available { } {
return 0
}
+ # VxWorks kernel modules are relocatable objects linked with -r,
+ # while RTP executables are linked with -q (--emit-relocs).
+ # Both of these options are incompatible with --gc-sections.
+ if { [istarget *-*-vxworks*] } {
+ set gc_sections_available_saved 0
+ return 0
+ }
+
# Check if the ld used by gcc supports --gc-sections.
set gcc_spec [${tool}_target_compile "-dumpspecs" "" "none" ""]
regsub ".*\n\*linker:\[ \t\]*\n(\[^ \t\n\]*).*" "$gcc_spec" {\1} linker