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