# by the default small memory can't be resolved at runtime). So we
# only do this on i386.
#
-# This apparently doesn't work on OS X (Darwin) where we get errors of
-# the form
+# This apparently doesn't work on OS X (Darwin) nor on Solaris.
+# On Darwin we get errors of the form
#
# ld: absolute addressing (perhaps -mdynamic-no-pic) used in _stg_ap_0_fast from rts/dist/build/Apply.dyn_o not allowed in slidable image
#
#
# ld: warning codegen in _stg_ap_pppv_fast (offset 0x0000005E) prevents image from loading in dyld shared cache
#
+# On Solaris we get errors like:
+#
+# Text relocation remains referenced
+# against symbol offset in file
+# .rodata (section) 0x11 rts/dist/build/Apply.dyn_o
+# ...
+# ld: fatal: relocations remain against allocatable but non-writable sections
+# collect2: ld returned 1 exit status
+
+ifeq "$(TargetArch_CPP)" "i386"
+i386_SPEED_HACK := "YES"
+ifeq "$(TargetOS_CPP)" "darwin"
+i386_SPEED_HACK := "NO"
+endif
+ifeq "$(TargetOS_CPP)" "solaris2"
+i386_SPEED_HACK := "NO"
+endif
+endif
+
ifeq "$(TargetArch_CPP)" "i386"
-ifneq "$(TargetOS_CPP)" "darwin"
+ifeq "$(i386_SPEED_HACK)" "YES"
rts/sm/Evac_HC_OPTS += -fno-PIC
rts/sm/Evac_thr_HC_OPTS += -fno-PIC
rts/sm/Scav_HC_OPTS += -fno-PIC
rts_CC_OPTS += -DDTRACE
rts_HC_OPTS += -DDTRACE
+# Apple's dtrace (the only one supported by ghc at the moment) uses
+# gcc as its preprocessor. If gcc isn't at /usr/bin/gcc, or we need
+# to force it to use a different gcc, we need to give the path in
+# the option cpppath.
+
DTRACEPROBES_SRC = rts/RtsProbes.d
$(DTRACEPROBES_H): $(DTRACEPROBES_SRC) includes/ghcplatform.h | $(dir $@)/.
- "$(DTRACE)" $(filter -I%,$(rts_CC_OPTS)) -C -h -o $@ -s $<
+ "$(DTRACE)" $(filter -I%,$(rts_CC_OPTS)) -C -x cpppath=$(WhatGccIsCalled) -h -o $@ -s $<
endif