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authorMartin Josefsson <gandalf@wlug.westbo.se>2004-05-26 15:46:27 +0000
committerMartin Josefsson <gandalf@wlug.westbo.se>2004-05-26 15:46:27 +0000
commitdc93fce44fc550bbbe7413087cbfe111e208e3ee (patch)
treea6e76ff4233591a308236509a9ece5bee0c2d36b /Makefile
parent1f661e3c268496d72d4de73bac7a86920a508cce (diff)
Better(?) detection for 64bit kernel / 32bit userspace.
Add some ld-flags for sparc64.
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile63
1 files changed, 42 insertions, 21 deletions
diff --git a/Makefile b/Makefile
index dd4c82b5..21669238 100644
--- a/Makefile
+++ b/Makefile
@@ -38,21 +38,6 @@ ifdef NO_SHARED_LIBS
CFLAGS += -DNO_SHARED_LIBS=1
endif
-ifndef NO_SHARED_LIBS
-DEPFILES = $(SHARED_LIBS:%.so=%.d)
-SH_CFLAGS:=$(CFLAGS) -fPIC
-STATIC_LIBS =
-STATIC6_LIBS =
-LDFLAGS = -rdynamic
-LDLIBS = -ldl -lnsl
-else
-DEPFILES = $(EXT_OBJS:%.o=%.d)
-STATIC_LIBS = extensions/libext.a
-STATIC6_LIBS = extensions/libext6.a
-LDFLAGS = -static
-LDLIBS =
-endif
-
EXTRAS+=iptables iptables.o iptables.8
EXTRA_INSTALLS+=$(DESTDIR)$(BINDIR)/iptables $(DESTDIR)$(MANDIR)/man8/iptables.8
@@ -69,20 +54,56 @@ endif
# Sparc64 hack
ifeq ($(shell uname -m),sparc64)
-# The kernel is 64-bit, even though userspace is 32.
-CFLAGS+=-DIPT_MIN_ALIGN=8 -DKERNEL_64_USERSPACE_32
+ POINTERTEST:=1
+ 32bituser := $(shell echo -e "\#include <stdio.h>\n\#if !defined(__sparcv9) && !defined(__arch64__) && !defined(_LP64)\nuserspace_is_32bit\n\#endif" | $(CC) $(CFLAGS) -E - | grep userspace_is_32bit)
+ ifdef 32bituser
+ # The kernel is 64-bit, even though userspace is 32.
+ CFLAGS+=-DIPT_MIN_ALIGN=8 -DKERNEL_64_USERSPACE_32
+ else
+ EXT_LDFLAGS=-m elf64_sparc
+ endif
+endif
+
+# Alpha only has 64bit userspace and fails the test below
+ifeq ($(shell uname -m), alpha)
+ POINTERTEST:=1
endif
-# HPPA hack
-ifeq ($(shell uname -m),parisc64)
-# The kernel is 64-bit, even though userspace is 32.
-CFLAGS+=-DIPT_MIN_ALIGN=8 -DKERNEL_64_USERSPACE_32
+# Generic test if arch wasn't found above
+ifneq ($(POINTERTEST),1)
+ # Try to determine if kernel is 64bit and we are compiling for 32bit
+ ifeq ($(shell [ -a $(KERNEL_DIR)/include/asm ] && echo YES), YES)
+ 64bitkernel := $(shell echo -e "\#include <asm/types.h>\n\#if BITS_PER_LONG == 64\nkernel_is_64bits\n\#endif" | $(CC) $(CFLAGS) -D__KERNEL__ -E - | grep kernel_is_64bits)
+ ifdef 64bitkernel
+ 32bituser := $(shell echo -e "\#include <stdio.h>\n\#if !defined(__arch64__) && !defined(_LP64)\nuserspace_is_32bit\n\#endif" | $(CC) $(CFLAGS) -E - | grep userspace_is_32bit)
+ ifdef 32bituser
+ CFLAGS+=-DIPT_MIN_ALIGN=8 -DKERNEL_64_USERSPACE_32
+ endif
+ endif
+ else
+ CFLAGS+=-D_UNKNOWN_KERNEL_POINTER_SIZE
+ endif
endif
ifndef IPT_LIBDIR
IPT_LIBDIR:=$(LIBDIR)/iptables
endif
+ifndef NO_SHARED_LIBS
+DEPFILES = $(SHARED_LIBS:%.so=%.d)
+SH_CFLAGS:=$(CFLAGS) -fPIC
+STATIC_LIBS =
+STATIC6_LIBS =
+LDFLAGS = -rdynamic
+LDLIBS = -ldl -lnsl
+else
+DEPFILES = $(EXT_OBJS:%.o=%.d)
+STATIC_LIBS = extensions/libext.a
+STATIC6_LIBS = extensions/libext6.a
+LDFLAGS = -static
+LDLIBS =
+endif
+
.PHONY: default
default: print-extensions all