Linus Torvalds wrote: > (a) the new compiler requirements (sorry, but it turned out that 2.7.2.3 > really is too subtly broken with named structure initializers that > are very heavily used these days inside the kernel) > > Suggested stable compiler: gcc-2.91.66, aka egcs-1.1.2, which is the > one most vendors have been shipping for a long time, and while sure > to be buggy too has not been found to be seriously so at least yet. > > Other modern gcc versions may well work too. Since egcs-1.1.2 supports -fno-strict-aliasing, would the attached patch against linux/Makefile be appropriate? -- Jeff Garzik | Raft naked... Building 1024 | It adds color to your cheeks. MandrakeSoft |
Index: Makefile =================================================================== RCS file: /cvsroot/gkernel/linux_2_4/Makefile,v retrieving revision 1.1.1.11 diff -u -r1.1.1.11 Makefile --- Makefile 2000/10/22 23:14:50 1.1.1.11 +++ Makefile 2000/10/27 08:32:28 @@ -16,7 +16,7 @@ FINDHPATH = $(HPATH)/asm $(HPATH)/linux $(HPATH)/scsi $(HPATH)/net HOSTCC = gcc -HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer +HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer +-fno-strict-aliasing CROSS_COMPILE = @@ -87,7 +87,7 @@ CPPFLAGS := -D__KERNEL__ -I$(HPATH) -CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer +CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer +-fno-strict-aliasing AFLAGS := -D__ASSEMBLY__ $(CPPFLAGS) # @@ -181,9 +181,6 @@ DRIVERS += $(DRIVERS-y) include arch/$(ARCH)/Makefile - -# use '-fno-strict-aliasing', but only if the compiler can take it -CFLAGS += $(shell if $(CC) -fno-strict-aliasing -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-fno-strict-aliasing"; fi) export CPPFLAGS CFLAGS AFLAGS
