procyberian/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

testsuite: require libc sym for -shared

Browse source 
Targets whose binutils support -shared, but that don't have a shared
libc, and that can't add PDC (non-PIC) to shared libraries, may
succeed at the effective target test for -shared, because it brings
nothing from libc, but tests that rely on -shared and that use bits
from libc, such as g++.dg/lto/pr108772, fail despite requiring the
shared effective target.

Extend the effective target test to bring malloc() from libc, that's
likely to be present in libc and bring a substantial amount of code if
no shared libc is available.


for  gcc/testsuite/ChangeLog

	* lib/target-supports.exp (check_effective_target_shared):
	Check for a static-only libc.
This commit is contained in:
Alexandre Oliva 2024-01-29 15:08:35 -03:00 • committed by Alexandre Oliva
parent 2ddce884b0
commit 4bdcc8b3bf
1 changed files with 8 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
gcc/testsuite/lib/target-supports.exp
View file

@ -1391,10 +1391,16 @@ proc check_effective_target_aarch64_tlsle32 { } {
proc check_effective_target_shared { } {
# Note that M68K has a multilib that supports -fpic but not
# -fPIC, so we need to check both. We test with a program that
# requires GOT references.
# requires GOT references, and with a libc symbol that would
# bring in significant parts of a static-only libc. Absent a
# shared libc, this would make -shared tests fail, so we don't
# want to enable the shared effective target then.
return [check_no_compiler_messages shared executable {
#include <stdlib.h>
extern int foo (void); extern int bar;
int baz (void) { return foo () + bar; }
char *baz (void) {
return foo () + (char*) malloc (bar);
}
} "-shared -fpic"]
}