Adjust options to work on 64-bit machines, and clean up nuisance warnings

4 files changed, 26 insertions, 16 deletions

diff --git a/Makefile b/Makefile
index 95a7b8be..2dabdf7f 100644
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,7 @@
 OSTYPE   = $(shell uname -msr)
 CC	 = gcc
 INCLUDE  =
-CFLAGS   = -Wall -O2 -fomit-frame-pointer -D_FILE_OFFSET_BITS=64
+CFLAGS   = -W -Wall -Os -fomit-frame-pointer -D_FILE_OFFSET_BITS=64
 PIC      = -fPIC
 LDFLAGS  = -O2 -s
 AR	 = ar
diff --git a/memdisk/Makefile b/memdisk/Makefile
index df01da2e..e0da72e1 100644
--- a/memdisk/Makefile
+++ b/memdisk/Makefile
@@ -1,7 +1,7 @@
 #ident "$Id$"
 ## -----------------------------------------------------------------------
 ##   
-##   Copyright 2001 H. Peter Anvin - All Rights Reserved
+##   Copyright 2001-2004 H. Peter Anvin - All Rights Reserved
 ##
 ##   This program is free software; you can redistribute it and/or modify
 ##   it under the terms of the GNU General Public License as published by
@@ -13,15 +13,18 @@
 
 VERSION := $(shell cat ../version)
 
-CC       = gcc
-M32      = $(shell if gcc -m32 -c -x c /dev/null -o /dev/null 2>/dev/null; then echo -m32 ; fi)
-CFLAGS   = $(M32) -g -Wall -O2 -fomit-frame-pointer -march=i386 \
-	   -malign-functions=0 -malign-jumps=0 -malign-loops=0 \
+gcc_ok   = $(shell if gcc $(1) -c -x c /dev/null -o /dev/null 2>/dev/null; \
+	           then echo $(1); else echo $(2); fi)
+
+M32     := $(call gcc_ok,-m32,)
+ALIGN   := $(call gcc_ok,-falign-functions=0 -falign-jumps=0 -falign-loops=0,-malign-functions=0 -malign-jumps=0 -malign-loops=0)
+
+CC       = gcc $(M32)
+CFLAGS   = -g -W -Wall -Os -fomit-frame-pointer -march=i386 $(ALIGN) \
 	   -DVERSION='"$(VERSION)"' -DDATE='"$(DATE)"'
 LDFLAGS  = -g
 INCLUDE  = -I../com32/include
-AS       = as
-LD	 = ld
+LD	 = ld -m elf_i386
 NASM     = nasm -O99
 NINCLUDE = 
 OBJCOPY  = objcopy
@@ -51,8 +54,11 @@ spotless: clean
 %.o: %.asm
 	$(NASM) -f elf -l $*.lst -o $@ $<
 
+%.o: %.s
+	$(CC) -x assembler -c -o $@ $<
+
 %.o16: %.s16
-	$(AS) -o $@ $<
+	$(CC) -x assembler -c -o $@ $<
 
 %.o: %.c
 	$(CC) $(INCLUDE) $(CFLAGS) -c -o $@ $<
diff --git a/sample/Makefile b/sample/Makefile
index 8f81bdd9..cdaabff8 100644
--- a/sample/Makefile
+++ b/sample/Makefile
@@ -1,7 +1,7 @@
 #ident "$Id$"
 ## -----------------------------------------------------------------------
 ##   
-##   Copyright 2001 H. Peter Anvin - All Rights Reserved
+##   Copyright 2001-2004 H. Peter Anvin - All Rights Reserved
 ##
 ##   This program is free software; you can redistribute it and/or modify
 ##   it under the terms of the GNU General Public License as published by
@@ -15,13 +15,17 @@
 ## samples for syslinux users
 ##
 
-CC         = gcc
-LD         = ld
+gcc_ok   = $(shell if gcc $(1) -c -x c /dev/null -o /dev/null 2>/dev/null; \
+	           then echo $(1); else echo $(2); fi)
+
+M32     := $(call gcc_ok,-m32,)
+
+CC         = gcc $(M32)
+LD         = ld -m elf_i386
 AR	   = ar
 NASM	   = nasm
 RANLIB	   = ranlib
-M32	   = $(shell if gcc -m32 -c -x c /dev/null -o /dev/null 2>/dev/null; then echo -m32 ; fi)
-CFLAGS     = $(M32) -march=i386 -O2 -fomit-frame-pointer -I../com32/include
+CFLAGS     = -W -Wall -march=i386 -Os -fomit-frame-pointer -I../com32/include
 SFLAGS     = -march=i386
 LDFLAGS    = -s
 OBJCOPY    = objcopy
diff --git a/win32/Makefile b/win32/Makefile
index b570d6b6..fd890ec9 100644
--- a/win32/Makefile
+++ b/win32/Makefile
@@ -23,7 +23,7 @@ ifeq ($(findstring CYGWIN,$(OSTYPE)),CYGWIN)
 CC       = gcc
 AR	 = ar
 RANLIB   = ranlib
-CFLAGS   = -mno-cygwin -Wall -O2 -fomit-frame-pointer -D_FILE_OFFSET_BITS=64
+CFLAGS   = -mno-cygwin -W -Wall -O2 -fomit-frame-pointer -D_FILE_OFFSET_BITS=64
 PIC	 =
 LDFLAGS  = -mno-cygwin -O2 -s
 else
@@ -36,7 +36,7 @@ CC       = mingw-gcc
 AR	 = mingw-ar
 RANLIB   = mingw-ranlib
 endif
-CFLAGS   = -Wall -O2 -fomit-frame-pointer -D_FILE_OFFSET_BITS=64
+CFLAGS   = -W -Wall -O2 -fomit-frame-pointer -D_FILE_OFFSET_BITS=64
 PIC      =
 LDFLAGS  = -O2 -s
 endif