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target-supports.exp (check_visibility_available): Really test the compiler. 

2004-11-19  Mark Mitchell  <mark@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>

	* lib/target-supports.exp (check_visibility_available): Really
	test the compiler.

Co-Authored-By: Joseph Myers <joseph@codesourcery.com>

From-SVN: r90937
This commit is contained in:
Mark Mitchell 2004-11-19 19:59:10 +00:00 committed by Joseph Myers
parent 72c4e4db03
commit 79c70e5a6c
2 changed files with 20 additions and 14 deletions
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6
gcc/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2004-11-19 Mark Mitchell <mark@codesourcery.com>
Joseph Myers <joseph@codesourcery.com>
* lib/target-supports.exp (check_visibility_available): Really
test the compiler.
2004-11-19 Dorit Naishlos <dorit@il.ibm.com>
PR tree-opt/18181

28
gcc/testsuite/lib/target-supports.exp
View File

@ -97,30 +97,30 @@ proc check_weak_available { } {
###############################
# The visibility attribute is only support in some object formats
# This proc returns 1 if it is supported, 0 if not, -1 if unsure.
# This proc returns 1 if it is supported, 0 if not.
proc check_visibility_available { } {
global visibility_available_saved
global tool
global target_triplet
global target_cpu
# On NetWare, support makes no sense.
if { [string match "*-*-netware*" $target_triplet] } {
return 0
}
# ELF supports it if the system has recent GNU ld and gas.
# As a start we return 1 for all ELF systems; we'll let people
# add exceptions as necessary.
set objformat [gcc_target_object_format]
switch $objformat {
elf { return 1 }
mach-o { return 1 }
unknown { return -1 }
default { return 0 }
if {![info exists visibility_available_saved] } {
set lines [get_compiler_messages visibility object {
void f() __attribute__((visibility("hidden")));
void f() {}
}]
if [string match "" $lines] then {
set visibility_available_saved 1
} else {
set visibility_available_saved 0
}
}
return $visibility_available_saved
}
###############################