===================================================================
@@ -9386,6 +9386,8 @@ tables, and hence is desirable if it wor
@hook TARGET_WANT_DEBUG_PUB_SECTIONS
+@hook TARGET_FORCE_AT_COMP_DIR
+
@hook TARGET_DELAY_SCHED2
@hook TARGET_DELAY_VARTRACK
===================================================================
@@ -2748,6 +2748,13 @@ DEFHOOKPOD
bool, false)
DEFHOOKPOD
+(force_at_comp_dir,
+ "True if the @code{DW_AT_comp_dir} attribute should be emitted for each \
+ compilation unit. This attribute is required for the darwin linker \
+ to emit debug information.",
+ bool, false)
+
+DEFHOOKPOD
(delay_sched2, "True if sched2 is not to be run at its normal place. \
This usually means it will be run as part of machine-specific reorg.",
bool, false)
===================================================================
@@ -22501,7 +22501,7 @@ dwarf2out_finish (const char *filename)
/* Add the name for the main input file now. We delayed this from
dwarf2out_init to avoid complications with PCH. */
add_name_attribute (comp_unit_die (), remap_debug_filename (filename));
- if (!IS_ABSOLUTE_PATH (filename))
+ if (!IS_ABSOLUTE_PATH (filename) || targetm.force_at_comp_dir)
add_comp_dir_attribute (comp_unit_die ());
else if (get_AT (comp_unit_die (), DW_AT_comp_dir) == NULL)
{
===================================================================
@@ -356,7 +356,9 @@ extern GTY(()) int darwin_ms_struct;
%{!Zbundle:%{pg:%{static:-lgcrt0.o} \
%{!static:%{object:-lgcrt0.o} \
%{!object:%{preload:-lgcrt0.o} \
- %{!preload:-lgcrt1.o %(darwin_crt2)}}}} \
+ %{!preload:-lgcrt1.o \
+ %:version-compare(>= 10.8 mmacosx-version-min= -no_new_main) \
+ %(darwin_crt2)}}}} \
%{!pg:%{static:-lcrt0.o} \
%{!static:%{object:-lcrt0.o} \
%{!object:%{preload:-lcrt0.o} \
@@ -379,7 +381,7 @@ extern GTY(()) int darwin_ms_struct;
#define DARWIN_CRT1_SPEC \
"%:version-compare(!> 10.5 mmacosx-version-min= -lcrt1.o) \
%:version-compare(>< 10.5 10.6 mmacosx-version-min= -lcrt1.10.5.o) \
- %:version-compare(>= 10.6 mmacosx-version-min= -lcrt1.10.6.o) \
+ %:version-compare(>< 10.6 10.8 mmacosx-version-min= -lcrt1.10.6.o) \
%{fgnu-tm: -lcrttms.o}"
/* Default Darwin ASM_SPEC, very simple. */
@@ -414,6 +416,8 @@ extern GTY(()) int darwin_ms_struct;
#define TARGET_WANT_DEBUG_PUB_SECTIONS true
+#define TARGET_FORCE_AT_COMP_DIR true
+
/* When generating stabs debugging, use N_BINCL entries. */
#define DBX_USE_BINCL