ifeq "$$(HOSTPLATFORM)" "i386-unknown-mingw32"
$$(rts_$1_LIB) : $$(rts_$1_OBJS) $$(ALL_RTS_DEF_LIBS) rts/libs.depend
"$$(RM)" $$(RM_OPTS) $$@
- "$$(rts_dist_HC)" -shared -dynamic -dynload deploy \
+ "$$(rts_dist_HC)" -package-name rts -shared -dynamic -dynload deploy \
-no-auto-link-packages `cat rts/libs.depend` $$(rts_$1_OBJS) $$(ALL_RTS_DEF_LIBS) -o $$@
-ifeq "$$(darwin_TARGET_OS)" "1"
- # Ensure library's install name is correct before anyone links with it.
- install_name_tool -id $(ghclibdir)/$$(rts_$1_LIB_NAME) $$@
-endif
else
$$(rts_$1_LIB) : $$(rts_$1_OBJS) rts/libs.depend
"$$(RM)" $$(RM_OPTS) $$@
- "$$(rts_dist_HC)" -shared -dynamic -dynload deploy \
+ "$$(rts_dist_HC)" -package-name rts -shared -dynamic -dynload deploy \
-no-auto-link-packages `cat rts/libs.depend` $$(rts_$1_OBJS) -o $$@
+ifeq "$$(darwin_TARGET_OS)" "1"
+ # Ensure library's install name is correct before anyone links with it.
+ install_name_tool -id $(ghclibdir)/$$(rts_$1_LIB_NAME) $$@
+endif
endif
else
$$(rts_$1_LIB) : $$(rts_$1_OBJS)
WARNING_OPTS += -Waggregate-return
WARNING_OPTS += -Wpointer-arith
WARNING_OPTS += -Wmissing-noreturn
-WARNING_OPTS += -Wcast-align
WARNING_OPTS += -Wnested-externs
WARNING_OPTS += -Wredundant-decls
#WARNING_OPTS += -Wshadow
#WARNING_OPTS += -Wcast-qual
+# This one seems buggy on GCC 4.1.2, which is the only GCC version we
+# have that can bootstrap the SPARC build. We end up with lots of supurious
+# warnings of the form "cast increases required alignment of target type".
+# Some legitimate warnings can be fixed by adding an intermediate cast to
+# (void*), but we get others in rts/sm/GCUtils.c concerning the gct var
+# that look innocuous to me. We could enable this again once we deprecate
+# support for registerised builds on this arch. -- BL 2010/02/03
+# WARNING_OPTS += -Wcast-align
+
STANDARD_OPTS += -Iincludes -Irts
# COMPILING_RTS is only used when building Win32 DLL support.
STANDARD_OPTS += -DCOMPILING_RTS
rts/RtsUtils_CC_OPTS += -DGhcUnregisterised=$(DQ)$(GhcUnregisterised)$(DQ)
rts/RtsUtils_CC_OPTS += -DGhcEnableTablesNextToCode=$(DQ)$(GhcEnableTablesNextToCode)$(DQ)
+# Compile various performance-critical pieces *without* -fPIC -dynamic
+# even when building a shared library. If we don't do this, then the
+# GC runs about 50% slower on x86 due to the overheads of PIC. The
+# cost of doing this is a little runtime linking and less sharing, but
+# not much.
+#
+# On x86_64 this doesn't work, because all objects in a shared library
+# must be compiled with -fPIC (since the 32-bit relocations generated
+# by the default small memory can't be resolved at runtime). So we
+# only do this on i386.
+
+ifeq "$(TargetArch_CPP)" "i386"
+rts/sm/Evac_HC_OPTS += -fno-PIC
+rts/sm/Evac_thr_HC_OPTS += -fno-PIC
+rts/sm/Scav_HC_OPTS += -fno-PIC
+rts/sm/Scav_thr_HC_OPTS += -fno-PIC
+rts/sm/Compact_HC_OPTS += -fno-PIC
+rts/sm/GC_HC_OPTS += -fno-PIC
+
+# -static is also necessary for these bits, otherwise the NCG
+# -generates dynamic references:
+rts/Updates_HC_OPTS += -fno-PIC -static
+rts/StgMiscClosures_HC_OPTS += -fno-PIC -static
+rts/PrimOps_HC_OPTS += -fno-PIC -static
+rts/Apply_HC_OPTS += -fno-PIC -static
+rts/dist/build/AutoApply_HC_OPTS += -fno-PIC -static
+endif
+
# ffi.h triggers prototype warnings, so disable them here:
rts/Interpreter_CC_OPTS += -Wno-strict-prototypes
rts/Adjustor_CC_OPTS += -Wno-strict-prototypes
endif
-$(eval $(call build-dependencies,rts,dist))
+$(eval $(call build-dependencies,rts,dist,1))
$(rts_dist_depfile_c_asm) : libffi/dist-install/build/ffi.h $(DTRACEPROBES_H)