| dnl Configure script for GRUB. |
| dnl Copyright 1999 Free Software Foundation, Inc. |
| |
| dnl Permission to use, copy, modify and distribute this software and its |
| dnl documentation is hereby granted, provided that both the copyright |
| dnl notice and this permission notice appear in all copies of the |
| dnl software, derivative works or modified versions, and any portions |
| dnl thereof, and that both notices appear in supporting documentation. |
| dnl |
| dnl THE FREE SOFTWARE FOUNDATION ALLOWS FREE USE OF THIS SOFTWARE IN ITS |
| dnl "AS IS" CONDITION. THE FREE SOFTWARE FOUNDATION DISCLAIMS ANY |
| dnl LIABILITY OF ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE |
| dnl USE OF THIS SOFTWARE. |
| |
| AC_INIT(stage2/stage2.c) |
| dnl Grab the package and version from the top debian/changelog entry. |
| AM_INIT_AUTOMAKE( |
| esyscmd([sed 's/ .*$//; q' debian/changelog]), |
| esyscmd([sed 's/^.*(\(.*\)).*$/\1/; q' debian/changelog]))dnl |
| AC_PREREQ(2.12) |
| |
| AC_CANONICAL_HOST |
| |
| case "$host_cpu" in |
| i[[3456]]86) host_cpu=i386 ;; |
| *) AC_MSG_ERROR([unsupported CPU type]) ;; |
| esac |
| |
| AC_SUBST(host_cpu) |
| AC_SUBST(host_vendor) |
| |
| # |
| # Options |
| # |
| |
| AC_ARG_ENABLE(maintainer-mode, |
| [ --enable-maintainer-mode |
| enable the maintainer mode], |
| [case "x${enableval}" in |
| xyes) maintainermode=yes ;; |
| xno) maintainermode=no ;; |
| *) AC_MSG_ERROR(invalid value ${enableval} for --enable-maintainer-mode) ;; |
| esac],[maintainermode=no]) |
| AM_CONDITIONAL(GRUB_MAINT, test "x${maintainermode}" = xyes) |
| |
| # This should be checked before AC_PROG_CC |
| if test "x$CFLAGS" = x; then |
| default_CFLAGS=yes |
| fi |
| |
| # |
| # Programs |
| # |
| |
| AC_CHECK_TOOL(CC, gcc) |
| AC_PROG_CC |
| AC_PROG_RANLIB |
| |
| # optimization flags |
| if test "x$ac_cv_prog_gcc" = xyes; then |
| if test "x$default_CFLAGS" = xyes; then |
| CFLAGS="-g" |
| STAGE1_CFLAGS="-O2" |
| GRUB_CFLAGS="-O2" |
| AC_CACHE_CHECK([whether optimization for size works], size_flag, [ |
| saved_CFLAGS=$CFLAGS |
| CFLAGS="-Os -g" |
| AC_TRY_COMPILE(, , size_flag=yes, size_flag=no) |
| CFLAGS=$saved_CFLAGS |
| ]) |
| if test "x$size_flag" = xyes; then |
| STAGE2_CFLAGS="-Os" |
| else |
| STAGE2_CFLAGS="-O2 -fno-strength-reduce -fno-unroll-loops" |
| fi |
| fi |
| fi |
| |
| AC_SUBST(STAGE1_CFLAGS) |
| AC_SUBST(STAGE2_CFLAGS) |
| AC_SUBST(GRUB_CFLAGS) |
| |
| # Enforce coding standards. |
| CPPFLAGS="$CPPFLAGS -Wall -Wmissing-prototypes -Wunused" |
| |
| AC_CHECK_TOOL(LD, ld) |
| AC_CHECK_TOOL(OBJCOPY, objcopy) |
| |
| # Defined in acinclude.m4. |
| grub_ASM_EXT_C |
| grub_PROG_OBJCOPY_ABSOLUTE |
| if test "x$grub_cv_prog_objcopy_absolute" != xyes; then |
| AC_MSG_ERROR([GRUB requires a working absolute objcopy; upgrade your binutils]) |
| fi |
| |
| grub_ASM_ADDR32 |
| if test "x$grub_cv_asm_addr32" != xyes; then |
| AC_MSG_ERROR([GRUB requires GAS .code16 addr32 support; upgrade your binutils]) |
| fi |
| |
| # Check for curses libraries. |
| AC_CHECK_LIB(ncurses, getch, [GRUB_LIBS="$GRUB_LIBS -lncurses" |
| AC_DEFINE(HAVE_LIBCURSES)], |
| [AC_CHECK_LIB(curses, getch, [GRUB_LIBS="$GRUB_LIBS -lcurses" |
| AC_DEFINE(HAVE_LIBCURSES)])]) |
| AC_SUBST(GRUB_LIBS) |
| |
| AC_OUTPUT([Makefile stage1/Makefile stage2/Makefile docs/Makefile \ |
| debian/Makefile grub/Makefile]) |