Hi,
The D front-end does not use exceptions, but it still requires RTTI for
some lowerings of convenience language features. This patch enforces
that by now building GDC with `-fno-exceptions'.
Bootstrapped with gcc-9, and committed to mainline.
Regards,
Iain.
---
gcc/d/ChangeLog:
* Make-lang.in (NOEXCEPTION_DFLAGS): Define.
(ALL_DFLAGS): Add NO_EXCEPTION_DFLAGS.
---
gcc/d/Make-lang.in | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/gcc/d/Make-lang.in b/gcc/d/Make-lang.in
index 9f134370218..6f9b2e5c26a 100644
--- a/gcc/d/Make-lang.in
+++ b/gcc/d/Make-lang.in
@@ -57,8 +57,12 @@ CHECKING_DFLAGS =
endif
WARN_DFLAGS = -Wall -Wdeprecated $(NOCOMMON_FLAG)
+# D front-end doesn't use exceptions, but it does require RTTI.
+NOEXCEPTION_DFLAGS = $(filter-out -fno-rtti, $(NOEXCEPTION_FLAGS))
+
ALL_DFLAGS = $(DFLAGS-$@) $(GDCFLAGS) -fversion=IN_GCC $(CHECKING_DFLAGS) \
- $(PICFLAG) $(ALIASING_FLAGS) $(COVERAGE_FLAGS) $(WARN_DFLAGS)
+ $(PICFLAG) $(ALIASING_FLAGS) $(NOEXCEPTION_DFLAGS) $(COVERAGE_FLAGS) \
+ $(WARN_DFLAGS)
DCOMPILE.base = $(GDC) $(NO_PIE_CFLAGS) -c $(ALL_DFLAGS) -o $@
DCOMPILE = $(DCOMPILE.base) -MT $@ -MMD -MP -MF $(@D)/$(DEPDIR)/$(*F).TPo
--
2.34.1
