0.8.13.41: Require robustness

[sbcl.git] / src / runtime / Config.ppc-darwin

diff --git a/src/runtime/Config.ppc-darwin b/src/runtime/Config.ppc-darwin
index a208c5d..d911ab9 100644 (file)
--- a/src/runtime/Config.ppc-darwin
+++ b/src/runtime/Config.ppc-darwin
@@ -1,9 +1,9 @@
 # -*- makefile -*-
-CFLAGS = -DDARWIN -Dppc -g -Wall -O3 -no-cpp-precomp
+CFLAGS = -Dppc -g -Wall -O2 -no-cpp-precomp
 OS_SRC = bsd-os.c os-common.c ppc-darwin-os.c ppc-darwin-dlshim.c
 OS_LIBS = -lSystem -lc -lm
 
-# Avoid the dreaded gcc 3.3 prerelease tarpit of death!
+# Avoid the gcc 3.3 prerelease tarpit of death!
 CC = gcc3
 
 ASSEM_SRC = ppc-assem.S ldso-stubs.S
@@ -11,7 +11,37 @@ ARCH_SRC = ppc-arch.c
 
 CPP = cpp -no-cpp-precomp
 
-OS_LINK_FLAGS = -dynamic -L$(HOME)/local/lib -L/sw/lib -L/opt/local/lib -L/usr/local/lib
+# KLUDGE: in OS X 10.3, Apple started putting the heap right where we
+# expect our read-only space mapped. This hack causes the linker to
+# place a zero-fill-on-demand segment in the same place and size as
+# read-only-space, which is the only thing capable of keeping malloc
+# out of this range."
+#
+# FIXME: "-Wl,-segaddr,SBCLRO,0x1000000" is output from
+# ppc-darwin-mkrospace (it depends on READ_ONLY_SPACE I believe) but it
+# is hard-coded here!
+OS_LINK_FLAGS = -dynamic -Wl,-segaddr,SBCLRO,0x1000000 -Wl,-seg1addr,0x5000000 $(if $(AFTER_GROVEL_HEADERS),ppc-darwin-rospace.o)
 
 GC_SRC= cheneygc.c
 
+CLEAN_FILES += ppc-darwin-mkrospace
+
+ppc-darwin-mkrospace: ppc-darwin-mkrospace.c
+       $(CC) -o $@ $<
+
+ppc-darwin-rospace.o: ppc-darwin-mkrospace
+       ./ppc-darwin-mkrospace
+
+.PHONY: after-grovel-headers
+
+# Rebuild the sbcl runtime to avoid Panther placing the heap where
+# it wants read only space (in the first 32 megabytes, where it
+# can be absolute-branched to with BA.)  Must be done after 
+# grovel-headers, because Apple's nm is broken.
+after-grovel-headers: ppc-darwin-rospace.o
+       rm -f sbcl
+       $(GNUMAKE) sbcl AFTER_GROVEL_HEADERS=1
+
+# Fortunatly make-target-1.sh does a make clean all the time.
+# Otherwise we would have to make sure that sbcl gets rebuilt without
+# the readonlyspace hack before groveling headers again.