2009-12-13 Vladimir Serbinenko <phcoder@gmail.com>
* configure.ac: Remove non-multiboot stuff.
This commit is contained in:
Vladimir 'phcoder' Serbinenko
parent
ad24b7208b
commit
f025d429b9
2 changed files with 4 additions and 268 deletions
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@ -1,3 +1,7 @@
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2009-12-13 Vladimir Serbinenko <phcoder@gmail.com>
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* configure.ac: Remove non-multiboot stuff.
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2009-12-13 Vladimir Serbinenko <phcoder@gmail.com>
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* NEWS: Emptied. It contained no multiboot information.
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268
configure.ac
268
configure.ac
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@ -34,274 +34,6 @@ dnl Because recent automake complains about AS, set it here.
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CCAS="$CC"
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AC_SUBST(CCAS)
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AC_ARG_WITH(binutils,
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[ --with-binutils=DIR search the directory DIR to find binutils])
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if test "x$with_binutils" != x; then
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dnl AC_PATH_TOOL is not seen in autoconf 2.13, so use AC_PATH_PROG
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dnl instead for now. It is preferable when you cross-compile GRUB.
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dnl AC_PATH_TOOL(RANLIB, ranlib, :, "$with_binutils:$PATH")
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AC_PATH_PROG(RANLIB, ranlib, :, "$with_binutils:$PATH")
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else
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AC_PROG_RANLIB
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fi
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# optimization flags
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if test "x$ac_cv_prog_gcc" = xyes; then
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if test "x$default_CFLAGS" = xyes; then
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# Autoconf may set CFLAGS to -O2 and/or -g. So eliminate them.
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CFLAGS="`echo $CFLAGS | sed -e 's/-g//g' -e 's/-O[[0-9]]//g'` -g"
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# If the user specify the directory for binutils, add the option `-B'.
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if test "x$with_binutils" != x; then
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CFLAGS="-B$with_binutils/ $CFLAGS"
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fi
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STAGE1_CFLAGS="-O2"
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GRUB_CFLAGS="-O2"
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AC_CACHE_CHECK([whether optimization for size works], grub_cv_cc_Os, [
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saved_CFLAGS=$CFLAGS
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CFLAGS="-Os -g"
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AC_TRY_COMPILE(, , grub_cv_cc_Os=yes, grub_cv_cc_Os=no)
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CFLAGS=$saved_CFLAGS
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])
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if test "x$grub_cv_cc_Os" = xyes; then
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STAGE2_CFLAGS="-Os"
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else
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STAGE2_CFLAGS="-O2 -fno-strength-reduce -fno-unroll-loops"
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fi
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# OpenBSD has a GCC extension for protecting applications from
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# stack smashing attacks, but GRUB doesn't want this feature.
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AC_CACHE_CHECK([whether gcc has -fno-stack-protector],
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grub_cv_cc_no_stack_protector, [
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saved_CFLAGS=$CFLAGS
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CFLAGS="-fno-stack-protector"
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AC_TRY_COMPILE(,
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,
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grub_cv_cc_no_stack_protector=yes,
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grub_cv_cc_no_stack_protector=no)
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CFLAGS=$saved_CFLAGS
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])
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if test "x$grub_cv_cc_no_stack_protector" = xyes; then
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STAGE2_CFLAGS="$STAGE2_CFLAGS -fno-stack-protector"
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fi
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fi
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fi
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AC_SUBST(STAGE1_CFLAGS)
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AC_SUBST(STAGE2_CFLAGS)
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AC_SUBST(GRUB_CFLAGS)
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# Enforce coding standards.
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CPPFLAGS="$CPPFLAGS -Wall -Wmissing-prototypes -Wunused -Wshadow"
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CPPFLAGS="$CPPFLAGS -Wpointer-arith"
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AC_CACHE_CHECK([whether -Wundef works], grub_cv_cc_Wundef, [
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saved_CPPFLAGS="$CPPFLAGS"
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CPPFLAGS="-Wundef"
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AC_TRY_COMPILE(, , grub_cv_cc_Wundef=yes, grub_cv_cc_Wundef=no)
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CPPFLAGS="$saved_CPPFLAGS"
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])
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# The options `-falign-*' are supported by gcc 3.0 or later.
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# Probably it is sufficient to only check for -falign-loops.
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AC_CACHE_CHECK([whether -falign-loops works], [grub_cv_cc_falign_loop], [
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saved_CPPFLAGS="$CPPFLAGS"
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CPPFLAGS="-falign-loops=1"
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AC_TRY_COMPILE(, , [grub_cv_cc_falign_loop=yes], [grub_cv_cc_falign_loop=no])
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CPPFLAGS="$saved_CPPFLAGS"
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])
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# Force no alignment to save space.
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if test "x$grub_cv_cc_falign_loop" = xyes; then
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CPPFLAGS="$CPPFLAGS -falign-jumps=1 -falign-loops=1 -falign-functions=1"
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else
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CPPFLAGS="$CPPFLAGS -malign-jumps=1 -malign-loops=1 -malign-functions=1"
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fi
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if test "x$grub_cv_cc_Wundef" = xyes; then
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CPPFLAGS="$CPPFLAGS -Wundef"
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fi
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# Check if build ID can be disabled in the linker
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AC_MSG_CHECKING([whether linker accepts `--build-id=none'])
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save_LDFLAGS="$LDFLAGS"
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LDFLAGS="$LDFLAGS -Wl,--build-id=none"
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AC_TRY_LINK(, , build_id_flag=yes, build_id_flag=no)
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AC_MSG_RESULT([$build_id_flag])
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LDFLAGS="$save_LDFLAGS"
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if test "x$build_id_flag" = xyes; then
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LDFLAGS="$LDFLAGS -Wl,--build-id=none"
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fi
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if test "x$with_binutils" != x; then
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dnl AC_PATH_TOOL(OBJCOPY, objcopy, , "$with_binutils:$PATH")
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AC_PATH_PROG(OBJCOPY, objcopy, , "$with_binutils:$PATH")
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else
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AC_CHECK_TOOL(OBJCOPY, objcopy)
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fi
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# Defined in acinclude.m4.
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grub_ASM_USCORE
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grub_PROG_OBJCOPY_ABSOLUTE
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if test "x$grub_cv_prog_objcopy_absolute" != xyes; then
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AC_MSG_ERROR([GRUB requires a working absolute objcopy; upgrade your binutils])
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fi
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grub_ASM_PREFIX_REQUIREMENT
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grub_ASM_ADDR32
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if test "x$grub_cv_asm_addr32" != xyes; then
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AC_MSG_ERROR([GRUB requires GAS .code16 addr32 support; upgrade your binutils])
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fi
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grub_ASM_ABSOLUTE_WITHOUT_ASTERISK
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grub_CHECK_START_SYMBOL
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grub_CHECK_USCORE_START_SYMBOL
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if test "x$grub_cv_check_start_symbol" != "xyes" \
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-a "x$grub_cv_check_uscore_start_symbol" != "xyes"; then
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AC_MSG_ERROR([Neither start nor _start is defined])
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fi
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grub_CHECK_USCORE_USCORE_BSS_START_SYMBOL
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grub_CHECK_USCORE_EDATA_SYMBOL
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grub_CHECK_EDATA_SYMBOL
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if test "x$grub_cv_check_uscore_uscore_bss_start_symbol" != "xyes" \
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-a "x$grub_cv_check_uscore_edata_symbol" != "xyes" \
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-a "x$grub_cv_check_edata_symbol" != "xyes"; then
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AC_MSG_ERROR([None of __bss_start, _edata, edata defined])
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fi
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grub_CHECK_END_SYMBOL
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grub_CHECK_USCORE_END_SYMBOL
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if test "x$grub_cv_check_end_symbol" != "xyes" \
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-a "x$grub_cv_check_uscore_end_symbol" != "xyes"; then
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AC_MSG_ERROR([Neither end nor _end is defined])
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fi
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# Check for curses libraries.
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AC_ARG_WITH(curses,
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[ --without-curses do not use curses])
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# Get the filename or the whole disk and open it.
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# Known to work on NetBSD.
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AC_CHECK_LIB(util, opendisk, [GRUB_LIBS="$GRUB_LIBS -lutil"
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AC_DEFINE(HAVE_OPENDISK, 1, [Define if opendisk() in -lutil can be used])])
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# Unless the user specify --without-curses, check for curses.
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if test "x$with_curses" != "xno"; then
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AC_CHECK_LIB(ncurses, wgetch, [GRUB_LIBS="$GRUB_LIBS -lncurses"
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AC_DEFINE(HAVE_LIBCURSES, 1, [Define if you have a curses library])],
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[AC_CHECK_LIB(curses, wgetch, [GRUB_LIBS="$GRUB_LIBS -lcurses"
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AC_DEFINE(HAVE_LIBCURSES, 1, [Define if you have a curses library])])])
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fi
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AC_SUBST(GRUB_LIBS)
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# Check for headers.
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AC_CHECK_HEADERS(string.h strings.h ncurses/curses.h ncurses.h curses.h)
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# Check for user options.
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# filesystems support.
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AC_ARG_ENABLE(ext2fs,
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[ --disable-ext2fs disable ext2fs support in Stage 2])
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if test x"$enable_ext2fs" != xno; then
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FSYS_CFLAGS="$FSYS_CFLAGS -DFSYS_EXT2FS=1"
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fi
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AC_ARG_ENABLE(fat,
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[ --disable-fat disable FAT support in Stage 2])
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if test x"$enable_fat" != xno; then
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FSYS_CFLAGS="$FSYS_CFLAGS -DFSYS_FAT=1"
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fi
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AC_ARG_ENABLE(ffs,
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[ --disable-ffs disable FFS support in Stage 2])
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if test x"$enable_ffs" != xno; then
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FSYS_CFLAGS="$FSYS_CFLAGS -DFSYS_FFS=1"
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fi
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AC_ARG_ENABLE(ufs2,
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[ --disable-ufs2 disable UFS2 support in Stage 2])
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if test x"$enable_ufs2" != xno; then
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FSYS_CFLAGS="$FSYS_CFLAGS -DFSYS_UFS2=1"
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fi
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AC_ARG_ENABLE(minix,
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[ --disable-minix disable Minix fs support in Stage 2])
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if test x"$enable_minix" != xno; then
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FSYS_CFLAGS="$FSYS_CFLAGS -DFSYS_MINIX=1"
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fi
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AC_ARG_ENABLE(reiserfs,
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[ --disable-reiserfs disable ReiserFS support in Stage 2])
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if test x"$enable_reiserfs" != xno; then
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FSYS_CFLAGS="$FSYS_CFLAGS -DFSYS_REISERFS=1"
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fi
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AC_ARG_ENABLE(vstafs,
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[ --disable-vstafs disable VSTa FS support in Stage 2])
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if test x"$enable_vstafs" != xno; then
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FSYS_CFLAGS="$FSYS_CFLAGS -DFSYS_VSTAFS=1"
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fi
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AC_ARG_ENABLE(jfs,
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[ --disable-jfs disable IBM JFS support in Stage 2])
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if test x"$enable_jfs" != xno; then
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FSYS_CFLAGS="$FSYS_CFLAGS -DFSYS_JFS=1"
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fi
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AC_ARG_ENABLE(xfs,
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[ --disable-xfs disable SGI XFS support in Stage 2])
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if test x"$enable_xfs" != xno; then
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FSYS_CFLAGS="$FSYS_CFLAGS -DFSYS_XFS=1"
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fi
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AC_ARG_ENABLE(iso9660,
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[ --disable-iso9660 disable ISO9660 support in Stage 2])
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if test x"$enable_iso9660" != xno; then
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FSYS_CFLAGS="$FSYS_CFLAGS -DFSYS_ISO9660=1"
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fi
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dnl AC_ARG_ENABLE(tftp,
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dnl [ --enable-tftp enable TFTP support in Stage 2])
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dnl
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dnl #if test x"$enable_tftp" = xyes; then
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dnl FSYS_CFLAGS="$FSYS_CFLAGS -DFSYS_TFTP=1"
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dnl fi
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AC_ARG_ENABLE(gunzip,
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[ --disable-gunzip disable decompression in Stage 2])
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if test x"$enable_gunzip" = xno; then
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FSYS_CFLAGS="$FSYS_CFLAGS -DNO_DECOMPRESSION=1"
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fi
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AC_ARG_ENABLE(md5-password,
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[ --disable-md5-password disable MD5 password support in Stage 2])
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if test "x$enable_md5_password" != xno; then
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FSYS_CFLAGS="$FSYS_CFLAGS -DUSE_MD5_PASSWORDS=1"
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fi
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dnl The netboot support.
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dnl General options.
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AC_ARG_ENABLE(packet-retransmission,
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[ --disable-packet-retransmission
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turn off packet retransmission])
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if test "x$enable_packet_retransmission" != xno; then
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NET_EXTRAFLAGS="$NET_EXTRAFLAGS -DCONGESTED=1"
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fi
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dnl Build the example Multiboot kernel.
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AC_ARG_ENABLE(example-kernel,
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[ --enable-example-kernel
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