dnl describe such a system very well.
dnl
dnl The current strategy is to use variables with no prefix (such as
-dnl CC, CFLAGS, etc.) for the host type as well as the build type,
-dnl because GRUB does not need to use those variables for the build
-dnl type, so there is no conflict. Variables with the prefix "TARGET_"
-dnl (such as TARGET_CC, TARGET_CFLAGS, etc.) are used for the target
-dnl type.
+dnl CC, CFLAGS, etc.) for the host type, variables with prefix "BUILD_"
+dnl (such as BUILD_CC, BUILD_CFLAGS, etc.) for the build type and variables
+dnl with the prefix "TARGET_" (such as TARGET_CC, TARGET_CFLAGS, etc.) are
+dnl used for the target type. See INSTALL for full list of variables.
-AC_INIT([GRUB],[2.02~beta1],[bug-grub@gnu.org])
+AC_INIT([GRUB],[2.03],[bug-grub@gnu.org])
AC_CONFIG_AUX_DIR([build-aux])
# We don't want -g -O2 by default in CFLAGS
: ${CFLAGS=""}
-# Checks for host and target systems.
+# Checks for build, host and target systems.
+AC_CANONICAL_BUILD
AC_CANONICAL_HOST
save_program_prefix="${program_prefix}"
AC_CANONICAL_TARGET
# Default HOST_CPPFLAGS
HOST_CPPFLAGS="$HOST_CPPFLAGS -Wall -W"
-HOST_CPPFLAGS="$HOST_CPPFLAGS -I\$(top_builddir)/include"
HOST_CPPFLAGS="$HOST_CPPFLAGS -DGRUB_UTIL=1"
TARGET_CPPFLAGS="$TARGET_CPPFLAGS -Wall -W"
-TARGET_CPPFLAGS="$TARGET_CPPFLAGS -I\$(top_srcdir)/include"
-TARGET_CPPFLAGS="$TARGET_CPPFLAGS -I\$(top_builddir)/include"
case "$target_cpu" in
i[[3456]]86) target_cpu=i386 ;;
amd64) target_cpu=x86_64 ;;
sparc) target_cpu=sparc64 ;;
mipsel|mips64el)
- target_cpu=mipsel;
- machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_CPU_MIPSEL=1";
+ target_cpu=mipsel
+ machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_CPU_MIPSEL=1"
;;
mips|mips64)
- target_cpu=mips;
- machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_CPU_MIPS=1";
+ target_cpu=mips
+ machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_CPU_MIPS=1"
;;
arm*)
- target_cpu=arm;
+ target_cpu=arm
;;
aarch64*)
- target_cpu=arm64;
+ target_cpu=arm64
;;
esac
x86_64-*) platform=pc ;;
powerpc-*) platform=ieee1275 ;;
powerpc64-*) platform=ieee1275 ;;
+ powerpc64le-*) platform=ieee1275 ;;
sparc64-*) platform=ieee1275 ;;
mipsel-*) platform=loongson ;;
mips-*) platform=arc ;;
ia64-*) platform=efi ;;
arm-*) platform=uboot ;;
arm64-*) platform=efi ;;
- *) AC_MSG_ERROR([unsupported CPU: "$target_cpu"]) ;;
+ *)
+ AC_MSG_WARN([unsupported CPU: "$target_cpu" - only building utilities])
+ platform=none
+ ;;
esac
else
platform="$with_platform"
x86_64-efi) ;;
x86_64-emu) ;;
x86_64-xen) ;;
+ x86_64-none) ;;
x86_64-*) target_cpu=i386 ;;
powerpc64-ieee1275) target_cpu=powerpc ;;
+ powerpc64le-ieee1275) target_cpu=powerpc ;;
esac
# Check if the platform is supported, make final adjustments.
mipsel-fuloong) platform=loongson ;;
mipsel-loongson) ;;
arm-uboot) ;;
+ arm-coreboot) ;;
arm-efi) ;;
arm64-efi) ;;
*-emu) ;;
+ *-none) ;;
*) AC_MSG_ERROR([platform "$platform" is not supported for target CPU "$target_cpu"]) ;;
esac
fi
if test x"$target_cpu-$platform" = xsparc64-emu ; then
- target_m64=1 ;
+ target_m64=1
fi
case "$target_os" in
esac
case "$host_os" in
- cygwin | windows* | mingw32*) have_exec=n ;;
+ cygwin) have_exec=y ;;
+ windows* | mingw32*) have_exec=n ;;
aros*) have_exec=n ;;
*) have_exec=y;;
esac
qemu) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_QEMU=1" ;;
pc) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_PCBIOS=1" ;;
emu) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_EMU=1" ;;
- loongson) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_MIPS_LOONGSON=1 -DGRUB_MACHINE_MIPS_BONITO=1" ;;
- qemu_mips) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_MIPS_QEMU_MIPS=1 -DGRUB_MACHINE_MIPS_BONITO=1" ;;
+ loongson) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_MIPS_LOONGSON=1" ;;
+ qemu_mips) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_MIPS_QEMU_MIPS=1" ;;
arc) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_ARC=1" ;;
esac
-case "$target_cpu" in
- arm) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_ARM=1" ;;
- arm64) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_ARM64=1" ;;
- mips |mipsel) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_MIPS=1" ;;
- sparc64) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_SPARC64=1" ;;
-esac
if test x${target_cpu} = xmipsel ; then
machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE=`echo mips_$platform | sed y,abcdefghijklmnopqrstuvwxyz,ABCDEFGHIJKLMNOPQRSTUVWXYZ,`"
else
- machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE=`echo ${target_cpu}_$platform | sed y,abcdefghijklmnopqrstuvwxyz,ABCDEFGHIJKLMNOPQRSTUVWXYZ,` -DGRUB_TARGET_CPU_`echo ${target_cpu} | sed y,abcdefghijklmnopqrstuvwxyz,ABCDEFGHIJKLMNOPQRSTUVWXYZ,`=1"
+ machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE=`echo ${target_cpu}_$platform | sed y,abcdefghijklmnopqrstuvwxyz,ABCDEFGHIJKLMNOPQRSTUVWXYZ,`"
fi
case "${target_cpu}-$platform" in
if test "x$LEX" = "x:"; then
AC_MSG_ERROR([flex is not found])
else
- version=`$LEX --version | $AWK '{ split($NF,x,"."); print x[[1]]*10000+x[[2]]*100+x[[3]]; }'`
+ version=`$LEX --version | $AWK '{ split($2,x,"."); print x[[1]]*10000+x[[2]]*100+x[[3]]; }'`
if test -n "$version" -a "$version" -ge 20535; then
:
else
HOST_CFLAGS="$HOST_CFLAGS -m64"
fi
+CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=64"
+HOST_CPPFLAGS="$HOST_CPPFLAGS -D_FILE_OFFSET_BITS=64"
+
AC_C_BIGENDIAN
AC_CHECK_SIZEOF(void *)
AC_CHECK_SIZEOF(long)
;;
esac
+case "$host_os" in
+ cygwin | windows* | mingw32* | aros*)
+ ;;
+ *)
+ AC_CHECK_SIZEOF(off_t)
+ if test x"$ac_cv_sizeof_off_t" != x8 ; then
+ AC_CHECK_SIZEOF(off64_t)
+ test x"$ac_cv_sizeof_off64_t" = x8 || AC_MSG_ERROR([Large file support is required])
+ fi;;
+esac
+
if test x$USE_NLS = xno; then
HOST_CFLAGS="$HOST_CFLAGS -fno-builtin-gettext"
fi
# Check for functions and headers.
AC_CHECK_FUNCS(posix_memalign memalign getextmntent)
-AC_CHECK_HEADERS(sys/param.h sys/mount.h sys/mnttab.h sys/mkdev.h limits.h)
+AC_CHECK_HEADERS(sys/param.h sys/mount.h sys/mnttab.h limits.h)
+
+# glibc 2.25 still includes sys/sysmacros.h in sys/types.h but emits deprecation
+# warning which causes compilation failure later with -Werror. So use -Werror here
+# as well to force proper sys/sysmacros.h detection.
+SAVED_CFLAGS="$CFLAGS"
+CFLAGS="$HOST_CFLAGS -Werror"
+AC_HEADER_MAJOR
+CFLAGS="$SAVED_CFLAGS"
AC_CHECK_MEMBERS([struct statfs.f_fstypename],,,[$ac_includes_default
#include <sys/param.h>
haiku*) BUILD_LIBM= ;;
*) BUILD_LIBM=-lm ;;
esac
+
+dnl FIXME proper test seems to require too deep dive into Autoconf internals.
+dnl For now just list known platforms that we support.
+
+case "$build_os" in
+ cygwin*|mingw32*|mingw64*) BUILD_EXEEXT=.exe ;;
+ *) BUILD_EXEEXT= ;;
+esac
+AC_SUBST(BUILD_EXEEXT)
+
+# In some build environments like termux /bin/sh is not a valid
+# shebang. Use $SHELL instead if it's executable and /bin/sh isn't
+BUILD_SHEBANG=/bin/sh
+for she in /bin/sh "$SHELL"; do
+ if test -x "$she" ; then
+ BUILD_SHEBANG="$she"
+ fi
+done
+AC_SUBST(BUILD_SHEBANG)
+
# For gnulib.
gl_INIT
AC_SUBST(BUILD_CC)
AC_SUBST(BUILD_CFLAGS)
AC_SUBST(BUILD_CPPFLAGS)
+AC_SUBST(BUILD_LDFLAGS)
AC_SUBST(TARGET_CC)
AC_SUBST(TARGET_NM)
AC_SUBST(TARGET_RANLIB)
TARGET_CFLAGS="$TARGET_CFLAGS -Wcast-align"
fi
+TARGET_CC_VERSION="$(LC_ALL=C $TARGET_CC --version | head -n1)"
+
AC_CACHE_CHECK([which extra warnings work], [grub_cv_target_cc_w_extra_flags], [
LDFLAGS="$TARGET_LDFLAGS -nostdlib -static"
TARGET_CFLAGS="$TARGET_CFLAGS $grub_cv_target_cc_w_extra_flags"
-AC_CACHE_CHECK([if compiling with clang], [grub_cv_cc_target_clang]
+AC_CACHE_CHECK([if compiling with clang], [grub_cv_cc_target_clang],
[
CFLAGS="$TARGET_CFLAGS"
AC_COMPILE_IFELSE(
]])],
[grub_cv_cc_target_clang=no], [grub_cv_cc_target_clang=yes])])
-# on x86 clang doesn't support .code16
-# on arm clang doesn't support .arch directive
-# on mips clang doesn't support privilegied instructions, doubleword store/load
-# and crashes with hand-written assembly
-if test "x$grub_cv_cc_target_clang" = xyes && ( test "x$target_cpu" = xi386 \
- || test "x$target_cpu" = xx86_64 || test "x$target_cpu" = xarm \
- || test "x$target_cpu" = xmips || test "x$target_cpu" = xmipsel ); then
- TARGET_CCASFLAGS="$TARGET_CCASFLAGS -no-integrated-as"
+if test x$target_cpu = xpowerpc -o x$target_cpu = xmips; then
+ AC_CACHE_CHECK([for options to get big-endian compilation], grub_cv_target_cc_big_endian, [
+ grub_cv_target_cc_big_endian=no
+ for cand in "-target $target_cpu -Wl,-EB" "-target $target_cpu" \
+ "-target $target_cpu-linux-gnu -Wl,-EB" "-target $target_cpu-linux-gnu" \
+ "-EB" "-mbig-endian"; do
+ if test x"$grub_cv_target_cc_big_endian" != xno ; then
+ break
+ fi
+ CFLAGS="$TARGET_CFLAGS $cand -Werror"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#if defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && (__ORDER_BIG_ENDIAN__ != __BYTE_ORDER__)
+#error still little endian
+#endif
+asm (".globl start; start:");
+asm (".globl _start; _start:");
+asm (".globl __start; __start:");
+void __main (void);
+void __main (void) {}
+int main (void);
+]], [[]])],
+ [grub_cv_target_cc_big_endian="$cand"], [])
+ done
+ ])
+
+ if test x"$grub_cv_target_cc_big_endian" = xno ; then
+ AC_MSG_ERROR([could not force big-endian])
+ fi
+
+ skip_linkflags="$(echo "$grub_cv_target_cc_big_endian"|sed 's@-Wl,-EB@@')"
+
+ TARGET_CFLAGS="$TARGET_CFLAGS $skip_linkflags"
+ TARGET_CPPFLAGS="$TARGET_CPPFLAGS $skip_linkflags"
+ TARGET_CCASFLAGS="$TARGET_CCASFLAGS $skip_linkflags"
+ TARGET_LDFLAGS="$TARGET_LDFLAGS $grub_cv_target_cc_big_endian"
+elif test x$target_cpu = xmipsel; then
+ AC_CACHE_CHECK([for options to get little-endian compilation], grub_cv_target_cc_little_endian, [
+ grub_cv_target_cc_little_endian=no
+ for cand in "-target $target_cpu -Wl,-EL" "-target $target_cpu" \
+ "-target $target_cpu-linux-gnu -Wl,-EL" "-target $target_cpu-linux-gnu" \
+ "-EL"; do
+ if test x"$grub_cv_target_cc_little_endian" != xno ; then
+ break
+ fi
+ CFLAGS="$TARGET_CFLAGS $cand -Werror"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#if defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && (__ORDER_BIG_ENDIAN__ == __BYTE_ORDER__)
+#error still big endian
+#endif
+asm (".globl start; start:");
+asm (".globl _start; _start:");
+asm (".globl __start; __start:");
+void __main (void);
+void __main (void) {}
+int main (void);
+]], [[]])],
+ [grub_cv_target_cc_little_endian="$cand"], [])
+ done
+ ])
+
+ if test x"$grub_cv_target_cc_little_endian" = xno ; then
+ AC_MSG_ERROR([could not force little-endian])
+ fi
+
+ skip_linkflags="$(echo "$grub_cv_target_cc_little_endian"|sed 's@-Wl,-EL@@')"
+
+ TARGET_CFLAGS="$TARGET_CFLAGS $skip_linkflags"
+ TARGET_CPPFLAGS="$TARGET_CPPFLAGS $skip_linkflags"
+ TARGET_CCASFLAGS="$TARGET_CCASFLAGS $skip_linkflags"
+ TARGET_LDFLAGS="$TARGET_LDFLAGS $grub_cv_target_cc_little_endian"
fi
-if test "x$grub_cv_cc_target_clang" = xyes && test "x$target_cpu" = xpowerpc; then
-AC_CACHE_CHECK([if clang can handle ame instruction], [grub_cv_cc_target_clang_ame]
-[
-CFLAGS="$TARGET_CFLAGS"
-AC_COMPILE_IFELSE(
-[AC_LANG_PROGRAM([], [[
- unsigned int a = 0, b = 0;
- asm volatile ("{ame|addme} %0,%1" : "=r" (a) : "r" (b));
- if (a)
- return 1;
-]])],
-[grub_cv_cc_target_clang_ame=yes], [grub_cv_cc_target_clang_ame=no])])
- # clang <= 3.3 doesn't handle most of ppc assembly, not even inline assembly
- # used by gcrypt
- if test x$grub_cv_cc_target_clang_ame = xno ; then
- TARGET_CCASFLAGS="$TARGET_CCASFLAGS -no-integrated-as"
- TARGET_CFLAGS="$TARGET_CFLAGS -no-integrated-as"
- fi
+# GRUB code is N32-compliant but it's experimental and we would prefer to
+# avoid having too much variety when it doesn't result in any real improvement.
+# Moreover N64 isn't supported.
+if test "x$target_cpu" = xmips || test "x$target_cpu" = xmipsel ; then
+ AC_CACHE_CHECK([for options to force MIPS o32 ABI], grub_cv_target_cc_mips_o32_abi, [
+ grub_cv_target_cc_mips_o32_abi=no
+ for arg in "" "-mabi=32" "-target $target_cpu -mabi=32" ; do
+ if test x"$grub_cv_target_cc_mips_o32_abi" != xno ; then
+ break
+ fi
+ CFLAGS="$TARGET_CFLAGS $arg -Werror"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#if !defined(_ABIO32) || !defined(_MIPS_SIM) || (_MIPS_SIM != _ABIO32)
+#error not o32 ABI
+#endif
+asm (".globl start; start:");
+asm (".globl _start; _start:");
+asm (".globl __start; __start:");
+void __main (void);
+void __main (void) {}
+int main (void);
+]], [[]])],
+ [grub_cv_target_cc_mips_o32_abi="$arg"], [])
+ done
+ ])
+
+ if test x"$grub_cv_target_cc_mips_o32_abi" = xno ; then
+ AC_MSG_ERROR([could not force MIPS o32 ABI])
+ fi
+
+ TARGET_CFLAGS="$TARGET_CFLAGS $grub_cv_target_cc_mips_o32_abi"
+ TARGET_CCASFLAGS="$TARGET_CCASFLAGS $grub_cv_target_cc_mips_o32_abi"
+fi
+
+AC_CACHE_CHECK([for options to compile assembly], [grub_cv_cc_target_asm_compile], [
+test_program=
+case "x$target_cpu-$platform" in
+ xmips-* | xmipsel-*)
+ test_program=mips
+ ;;
+ xi386-pc)
+ test_program=i386-pc
+ ;;
+ xi386-* | xx86_64-*)
+ test_program=i386
+ ;;
+ xpowerpc-* | xsparc64-* | xarm-*)
+ test_program=$target_cpu
+ ;;
+esac
+if test x"$test_program" = x ; then
+ grub_cv_cc_target_asm_compile=
+else
+ found=no
+ for arg in "" "-no-integrated-as"; do
+ cmdline="$TARGET_CC -c -o /dev/null $TARGET_CCASFLAGS $arg $TARGET_CPPFLAGS $srcdir/asm-tests/$test_program.S"
+ echo "Running $cmdline" >&AS_MESSAGE_LOG_FD
+ if $cmdline >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then
+ grub_cv_cc_target_asm_compile="$arg"
+ found=yes
+ break
+ fi
+ done
+ if test x"$found" = xno ; then
+ AC_MSG_ERROR([could not compile assembly])
+ fi
fi
+])
+
+TARGET_CCASFLAGS="$TARGET_CCASFLAGS $grub_cv_cc_target_asm_compile"
if test "x$target_cpu" = xi386 && test "x$platform" != xemu; then
TARGET_CFLAGS="$TARGET_CFLAGS -march=i386"
if ( test "x$target_cpu" = xi386 || test "x$target_cpu" = xx86_64 ) && test "x$platform" != xemu; then
# Some toolchains enable these features by default, but they need
# registers that aren't set up properly in GRUB.
- TARGET_CFLAGS="$TARGET_CFLAGS -mno-mmx -mno-sse -mno-sse2 -mno-3dnow"
+ TARGET_CFLAGS="$TARGET_CFLAGS -mno-mmx -mno-sse -mno-sse2 -mno-sse3 -mno-3dnow"
+fi
+
+# GRUB doesn't use float or doubles at all. Yet some toolchains may decide
+# that floats are a good fit to run instead of what's written in the code.
+# Given that floating point unit is disabled (if present to begin with)
+# when GRUB is running which may result in various hard crashes.
+if test x"$platform" != xemu ; then
+ AC_CACHE_CHECK([for options to get soft-float], grub_cv_target_cc_soft_float, [
+ grub_cv_target_cc_soft_float=no
+ if test "x$target_cpu" = xarm64; then
+ CFLAGS="$TARGET_CFLAGS -mgeneral-regs-only -Werror"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
+ [grub_cv_target_cc_soft_float="-mgeneral-regs-only"], [])
+ fi
+ if test "x$target_cpu" = xia64; then
+ CFLAGS="$TARGET_CFLAGS -mno-inline-float-divide -mno-inline-sqrt -Werror"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
+ [grub_cv_target_cc_soft_float="-mno-inline-float-divide -mno-inline-sqrt"], [])
+ fi
+ for cand in "-msoft-float -Xclang -msoft-float -Xclang -no-implicit-float" \
+ "-Xclang -msoft-float -Xclang -no-implicit-float" \
+ "-Xclang -msoft-float" "-msoft-float"; do
+ if test x"$grub_cv_target_cc_soft_float" != xno ; then
+ break
+ fi
+ CFLAGS="$TARGET_CFLAGS $cand -Werror"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
+ [grub_cv_target_cc_soft_float="$cand"], [])
+ done
+ ])
+
+ if test x"$grub_cv_target_cc_soft_float" = xno ; then
+ AC_MSG_ERROR([could not force soft-float])
+ fi
+
+ case x"$grub_cv_target_cc_soft_float" in
+ x*"-Xclang"*)
+ # A trick so that clang doesn't see it on link stаge
+ TARGET_CPPFLAGS="$TARGET_CPPFLAGS $grub_cv_target_cc_soft_float"
+ ;;
+ *)
+ TARGET_CFLAGS="$TARGET_CFLAGS $grub_cv_target_cc_soft_float"
+ ;;
+ esac
+ TARGET_CCASFLAGS="$TARGET_CCASFLAGS $grub_cv_target_cc_soft_float"
+
+fi
+
+if test x"$target_cpu" = xsparc64 ; then
+ AC_CACHE_CHECK([for options to reserve application registers], grub_cv_target_cc_mno_app_regs, [
+ grub_cv_target_cc_mno_app_regs=no
+ for cand in "-mllvm -sparc-reserve-app-registers" \
+ "-mno-app-regs"; do
+ if test x"$grub_cv_target_cc_mno_app_regs" != xno ; then
+ break
+ fi
+ CFLAGS="$TARGET_CFLAGS $cand -Werror"
+ CPPFLAGS="$TARGET_CPPFLAGS"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
+ [grub_cv_target_cc_mno_app_regs="$cand"], [])
+ done
+ ])
+
+ if test x"$grub_cv_target_cc_mno_app_regs" = xno ; then
+ AC_MSG_ERROR([could not reserve application registers])
+ fi
+ if test x"$grub_cv_target_cc_mno_app_regs" = x"-mllvm -sparc-reserve-app-registers" ; then
+ # A trick so that clang doesn't see it on link stаge
+ TARGET_CPPFLAGS="$TARGET_CPPFLAGS $grub_cv_target_cc_mno_app_regs"
+ else
+ TARGET_CFLAGS="$TARGET_CFLAGS $grub_cv_target_cc_mno_app_regs"
+ fi
+
+ AC_CACHE_CHECK([for no-relax options], grub_cv_target_cc_mno_relax, [
+ grub_cv_target_cc_mno_relax=no
+ for cand in "-mno-relax" "-Wl,--no-relax"; do
+ if test x"$grub_cv_target_cc_mno_relax" != xno ; then
+ break
+ fi
+ LDFLAGS="$TARGET_LDFLAGS $cand -nostdlib -static"
+ CFLAGS="$TARGET_CFLAGS -Werror"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+ asm (".globl start; start:");
+ void __main (void);
+ void __main (void) {}
+ int main (void);
+ ]], [[]])], [grub_cv_target_cc_mno_relax="$cand"], [])
+ done
+ ])
+ LDFLAGS="$TARGET_LDFLAGS"
+ CFLAGS="$TARGET_CFLAGS"
+
+ if test x"$grub_cv_target_cc_mno_relax" = xno ; then
+ AC_MSG_ERROR([could not find no-relax options])
+ fi
+ TARGET_LDFLAGS="$TARGET_LDFLAGS $grub_cv_target_cc_mno_relax"
fi
# By default, GCC 4.4 generates .eh_frame sections containing unwind
TARGET_CFLAGS="$TARGET_CFLAGS -fno-reorder-functions"
fi
+AC_CACHE_CHECK([whether -mno-stack-arg-probe works], [grub_cv_cc_mno_stack_arg_probe], [
+ CFLAGS="$TARGET_CFLAGS -mno-stack-arg-probe"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
+ [grub_cv_cc_mno_stack_arg_probe=yes],
+ [grub_cv_cc_mno_stack_arg_probe=no])
+])
+
+if test "x$grub_cv_cc_mno_stack_arg_probe" = xyes; then
+ TARGET_CFLAGS="$TARGET_CFLAGS -mno-stack-arg-probe"
+fi
+
+
# By default, GCC 4.6 generates .eh_frame sections containing unwind
# information in some cases where it previously did not. GRUB doesn't need
# these and they just use up vital space. Restore the old compiler
# behaviour.
AC_CACHE_CHECK([whether -fno-asynchronous-unwind-tables works], [grub_cv_cc_fno_asynchronous_unwind_tables], [
- CFLAGS="$TARGET_CFLAGS -fno-dwarf2-cfi-asm"
+ CFLAGS="$TARGET_CFLAGS -fno-asynchronous-unwind-tables"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
[grub_cv_cc_fno_asynchronous_unwind_tables=yes],
[grub_cv_cc_fno_asynchronous_unwind_tables=no])
TARGET_CFLAGS="$TARGET_CFLAGS -fno-asynchronous-unwind-tables"
fi
-AC_ARG_ENABLE([efiemu],
- [AS_HELP_STRING([--enable-efiemu],
- [build and install the efiemu runtimes (default=guessed)])])
-if test x"$enable_efiemu" = xno ; then
- efiemu_excuse="explicitly disabled"
-fi
-if test x"$grub_cv_target_cc_link_format" = x-mi386pe || test x"$grub_cv_target_cc_link_format" = x-mi386pep ; then
- efiemu_excuse="not available on cygwin"
-fi
-if test x"$target_cpu" != xi386 ; then
- efiemu_excuse="only available on i386"
-fi
-if test x"$platform" = xefi ; then
- efiemu_excuse="not available on efi"
-fi
-if test x"$efiemu_excuse" = x ; then
- AC_CACHE_CHECK([whether options required for efiemu work], grub_cv_cc_efiemu, [
- CFLAGS="-m64 -nostdlib -O2 -mcmodel=large -mno-red-zone"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
- [grub_cv_cc_efiemu=yes],
- [grub_cv_cc_efiemu=no])
- ])
- if test x$grub_cv_cc_efiemu = xno; then
- efiemu_excuse="cannot compile with -m64 -mcmodel=large -mno-red-zone -nostdlib"
- fi
-fi
-if test x"$efiemu_excuse" = x ; then
- AC_CACHE_CHECK([for efiemu64 linking format], [grub_cv_target_cc_efiemu64_link_format], [
- grub_cv_target_cc_efiemu64_link_format=unknown
- for format in -melf_x86_64 -melf_x86_64_fbsd -melf_x86_64_obsd -melf_x86_64_haiku -arch,x86_64; do
- CFLAGS="-m64 -nostdlib -O2 -mcmodel=large -mno-red-zone"
- LDFLAGS="-m64 -Wl,$format -nostdlib -static"
- AC_LINK_IFELSE([AC_LANG_PROGRAM([[
- asm (".globl start; start:");
- asm (".globl _start; _start:");
- asm (".globl __start; __start:");
- void __main (void);
- void __main (void) {}
- ]], [[]])], [flag=1], [flag=0])
- if test x"$flag" = x1; then
- grub_cv_target_cc_efiemu64_link_format="$format"
- break;
- fi
- done])
- if test x"$grub_cv_target_cc_efiemu64_link_format" = xunknown; then
- efiemu_excuse="no suitable link format for efiemu64 found"
- else
- EFIEMU64_LINK_FORMAT="-Wl,$grub_cv_target_cc_efiemu64_link_format"
- fi
-fi
-if test x"$enable_efiemu" = xyes && test x"$efiemu_excuse" != x ; then
- AC_MSG_ERROR([efiemu runtime was explicitly requested but can't be compiled ($efiemu_excuse)])
-fi
-if test x"$efiemu_excuse" = x ; then
-enable_efiemu=yes
-else
-enable_efiemu=no
+AC_CACHE_CHECK([whether -fno-unwind-tables works], [grub_cv_cc_fno_unwind_tables], [
+ CFLAGS="$TARGET_CFLAGS -fno-unwind-tables"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
+ [grub_cv_cc_fno_unwind_tables=yes],
+ [grub_cv_cc_fno_unwind_tables=no])
+])
+
+if test "x$grub_cv_cc_fno_unwind_tables" = xyes; then
+ TARGET_CFLAGS="$TARGET_CFLAGS -fno-unwind-tables"
fi
-AC_SUBST([enable_efiemu])
-AC_SUBST([EFIEMU64_LINK_FORMAT])
+
CFLAGS="$TARGET_CFLAGS"
-if test x"$target_cpu" = xi386 || test x"$target_cpu" = xx86_64; then
+
+if test x"$platform" = xemu ; then
+ TARGET_OBJ2ELF=
+ grub_cv_target_cc_link_format=
+ case "$host_os" in
+ *darwin* | *mac*)
+ grub_cv_target_cc_link_format="-arch,${target_cpu}"
+ TARGET_LDFLAGS="$TARGET_LDFLAGS -Wl,$grub_cv_target_cc_link_format"
+ ;;
+ *windows* | *cygwin* | *mingw*)
+ if test x${target_cpu} = xi386 ; then
+ grub_cv_target_cc_link_format=-mi386pe
+ TARGET_OBJ2ELF='./build-grub-pe2elf$(BUILD_EXEEXT)'
+ fi
+ if test x${target_cpu} = xx86_64 ; then
+ grub_cv_target_cc_link_format=-mi386pep
+ TARGET_OBJ2ELF='./build-grub-pep2elf$(BUILD_EXEEXT)'
+ fi
+ TARGET_LDFLAGS="$TARGET_LDFLAGS -Wl,$grub_cv_target_cc_link_format"
+ ;;
+ esac
+elif test x"$target_cpu" = xi386 || test x"$target_cpu" = xx86_64; then
AC_CACHE_CHECK([for target linking format], [grub_cv_target_cc_link_format], [
grub_cv_target_cc_link_format=unknown
for format in -melf_${target_cpu} -melf_${target_cpu}_fbsd -melf_${target_cpu}_obsd -melf_${target_cpu}_haiku -mi386pe -mi386pep -arch,${target_cpu}; do
- if test x${target_cpu} != xi386 && test x$format = xi386pe; then
+ if test x${target_cpu} != xi386 && test x$format = x-mi386pe; then
continue
fi
- if test x${target_cpu} != xx86_64 && test x$format = xi386pep; then
+ if test x${target_cpu} != xx86_64 && test x$format = x-mi386pep; then
continue
fi
CFLAGS="$TARGET_CFLAGS"
]], [[]])], [flag=1], [flag=0])
if test x"$flag" = x1; then
grub_cv_target_cc_link_format="$format"
- break;
+ break
fi
done])
if test x"$grub_cv_target_cc_link_format" = xunknown; then
fi
TARGET_LDFLAGS="$TARGET_LDFLAGS -Wl,$grub_cv_target_cc_link_format"
if test x"$grub_cv_target_cc_link_format" = x-mi386pe ; then
- TARGET_OBJ2ELF='./build-grub-pe2elf';
+ TARGET_OBJ2ELF='./build-grub-pe2elf$(BUILD_EXEEXT)'
fi
if test x"$grub_cv_target_cc_link_format" = x-mi386pep ; then
- TARGET_OBJ2ELF='./build-grub-pep2elf';
+ TARGET_OBJ2ELF='./build-grub-pep2elf$(BUILD_EXEEXT)'
fi
fi
TARGET_IMG_CFLAGS=
fi
+CFLAGS="$TARGET_CFLAGS"
+
+AC_ARG_ENABLE([efiemu],
+ [AS_HELP_STRING([--enable-efiemu],
+ [build and install the efiemu runtimes (default=guessed)])])
+if test x"$enable_efiemu" = xno ; then
+ efiemu_excuse="explicitly disabled"
+fi
+
+if test x"$grub_cv_target_cc_link_format" = x-mi386pe || test x"$grub_cv_target_cc_link_format" = x-mi386pep ; then
+ efiemu_excuse="not available on cygwin"
+fi
+if test x"$target_cpu" != xi386 ; then
+ efiemu_excuse="only available on i386"
+fi
+if test x"$platform" = xefi ; then
+ efiemu_excuse="not available on efi"
+fi
+
+if test x"$efiemu_excuse" = x ; then
+ AC_CACHE_CHECK([whether options required for efiemu work], grub_cv_cc_efiemu, [
+ CFLAGS="-m64 -nostdlib -O2 -mcmodel=large -mno-red-zone"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
+ [grub_cv_cc_efiemu=yes],
+ [grub_cv_cc_efiemu=no])
+ ])
+ if test x$grub_cv_cc_efiemu = xno; then
+ efiemu_excuse="cannot compile with -m64 -mcmodel=large -mno-red-zone -nostdlib"
+ fi
+fi
+if test x"$efiemu_excuse" = x ; then
+ AC_CACHE_CHECK([for efiemu64 linking format], [grub_cv_target_cc_efiemu64_link_format], [
+ grub_cv_target_cc_efiemu64_link_format=unknown
+ for format in -melf_x86_64 -melf_x86_64_fbsd -melf_x86_64_obsd -melf_x86_64_haiku -arch,x86_64; do
+ CFLAGS="-m64 -nostdlib -O2 -mcmodel=large -mno-red-zone"
+ LDFLAGS="-m64 -Wl,$format -nostdlib -static"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+ asm (".globl start; start:");
+ asm (".globl _start; _start:");
+ asm (".globl __start; __start:");
+ void __main (void);
+ void __main (void) {}
+ ]], [[]])], [flag=1], [flag=0])
+ if test x"$flag" = x1; then
+ grub_cv_target_cc_efiemu64_link_format="$format"
+ break
+ fi
+ done])
+ if test x"$grub_cv_target_cc_efiemu64_link_format" = xunknown; then
+ efiemu_excuse="no suitable link format for efiemu64 found"
+ else
+ EFIEMU64_LINK_FORMAT="-Wl,$grub_cv_target_cc_efiemu64_link_format"
+ fi
+fi
+if test x"$enable_efiemu" = xyes && test x"$efiemu_excuse" != x ; then
+ AC_MSG_ERROR([efiemu runtime was explicitly requested but can't be compiled ($efiemu_excuse)])
+fi
+if test x"$efiemu_excuse" = x ; then
+enable_efiemu=yes
+else
+enable_efiemu=no
+fi
+AC_SUBST([enable_efiemu])
+AC_SUBST([EFIEMU64_LINK_FORMAT])
+
+CFLAGS="$TARGET_CFLAGS"
+
AC_SUBST(TARGET_LDFLAGS_OLDMAGIC)
LDFLAGS="$TARGET_LDFLAGS"
-if test "$target_cpu" = x86_64 || test "$target_cpu-$platform" = sparc64-emu ; then
+if test "$target_cpu" = x86_64 || test "$target_cpu" = sparc64 ; then
# Use large model to support 4G memory
AC_CACHE_CHECK([whether option -mcmodel=large works], grub_cv_cc_mcmodel, [
- CFLAGS="$TARGET_CFLAGS -m64 -mcmodel=large"
+ CFLAGS="$TARGET_CFLAGS -mcmodel=large"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
[grub_cv_cc_mcmodel=yes],
[grub_cv_cc_mcmodel=no])
])
if test "x$grub_cv_cc_mcmodel" = xyes; then
TARGET_CFLAGS="$TARGET_CFLAGS -mcmodel=large"
- elif test "$target_cpu-$platform" = sparc64-emu; then
+ elif test "$target_cpu" = sparc64; then
TARGET_CFLAGS="$TARGET_CFLAGS -mcmodel=medany"
fi
fi
if test "$target_cpu"-"$platform" = x86_64-efi; then
# EFI writes to stack below %rsp, we must not use the red zone
AC_CACHE_CHECK([whether option -mno-red-zone works], grub_cv_cc_no_red_zone, [
- CFLAGS="$TARGET_CFLAGS -m64 -mno-red-zone"
+ CFLAGS="$TARGET_CFLAGS -mno-red-zone"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
[grub_cv_cc_no_red_zone=yes],
[grub_cv_cc_no_red_zone=no])
fi
if test "x$target_cpu" = xarm; then
- AC_CACHE_CHECK([whether option -mlong-calls works], grub_cv_cc_mlong_calls, [
- CFLAGS="$TARGET_CFLAGS -mlong-calls -Werror"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
- [grub_cv_cc_mlong_calls=yes],
- [grub_cv_cc_mlong_calls=no])
+ AC_CACHE_CHECK([for options to disable movt and movw], grub_cv_target_cc_mno_movt, [
+ grub_cv_target_cc_mno_movt=no
+ for cand in "-mno-movt" \
+ "-mllvm -arm-use-movt=0"; do
+ if test x"$grub_cv_target_cc_mno_movt" != xno ; then
+ break
+ fi
+ CFLAGS="$TARGET_CFLAGS $cand -Werror"
+ CPPFLAGS="$TARGET_CPPFLAGS"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
+ [grub_cv_target_cc_mno_movt="$cand"], [])
+ done
])
- if test "x$grub_cv_cc_mlong_calls" = xyes; then
- TARGET_CFLAGS="$TARGET_CFLAGS -mlong-calls"
+
+ if test x"$grub_cv_target_cc_mno_movt" != xno ; then
+ # A trick so that clang doesn't see it on link stage
+ TARGET_CPPFLAGS="$TARGET_CPPFLAGS $grub_cv_target_cc_mno_movt"
fi
AC_CACHE_CHECK([whether option -mthumb-interwork works], grub_cv_cc_mthumb_interwork, [
CFLAGS="$TARGET_CFLAGS -mthumb-interwork -Werror"
])
if test "x$grub_cv_cc_mthumb_interwork" = xyes; then
TARGET_CFLAGS="$TARGET_CFLAGS -mthumb-interwork"
+ # Clang defaults to thumb interworking
elif test "x$grub_cv_cc_target_clang" = xno ; then
AC_MSG_ERROR([your compiler doesn't support -mthumb-interwork])
- else
- CFLAGS="$TARGET_CFLAGS"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
-#if defined (__thumb__) && !defined (__thumb2__)
-#error thumb without interworking
-#endif
-]])],
- [no_interwork_ok=yes],
- [no_interwork_ok=no])
- if test x$no_interwork_ok = xno ; then
- AC_MSG_ERROR([attempt to compile to thumb with no thumb interwork])
- fi
fi
fi
+AC_CACHE_CHECK([whether option -Qn works], grub_cv_target_cc_qn, [
+ CFLAGS="$TARGET_CFLAGS -Qn -Werror"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
+ [grub_cv_target_cc_qn=yes],
+ [grub_cv_target_cc_qn=no])])
+if test "x$grub_cv_target_cc_qn" = xyes; then
+ TARGET_CFLAGS="$TARGET_CFLAGS -Qn"
+fi
+
#
# Compiler features.
#
# Position independent executable.
grub_CHECK_PIE
+grub_CHECK_NO_PIE
+grub_CHECK_NO_PIE_ONEWORD
+grub_CHECK_LINK_PIE
[# Need that, because some distributions ship compilers that include
-# `-fPIE' in the default specs.
+# `-fPIE' or '-fpie' and '-pie' in the default specs.
if [ x"$pie_possible" = xyes ]; then
- TARGET_CFLAGS="$TARGET_CFLAGS -fno-PIE"
+ TARGET_CFLAGS="$TARGET_CFLAGS -fno-PIE -fno-pie"
+fi
+
+if [ x"$link_nopie_needed" = xyes ] || [ x"$pie_possible" = xyes ]; then
+ if [ x"$nopie_possible" = xyes ]; then
+ TARGET_LDFLAGS="$TARGET_LDFLAGS -no-pie"
+ fi
+ if [ x"$nopie_oneword_possible" = xyes ]; then
+ TARGET_LDFLAGS="$TARGET_LDFLAGS -nopie"
+ fi
fi]
CFLAGS="$TARGET_CFLAGS"
+LDFLAGS="$TARGET_LDFLAGS"
# Position independent executable.
grub_CHECK_PIC
# and reload $gp in every function.
# GCC implements it using symbol __gnu_local_gp in non-PIC as well.
# However with clang we need PIC for this reloading to happen.
+# With arm64 we need relocations that are in some way representable in
+# PE as we need to support arm64-efi. Without -fPIC clang generates
+# movk's which aren't representable.
# Since default varies across dictributions use either -fPIC or -fno-PIC
# explicitly.
-if ( test x$target_cpu = xmips || test x$target_cpu = xmipsel ) && test "x$grub_cv_cc_target_clang" = xyes ; then
+if ( test x$target_cpu = xmips || test x$target_cpu = xmipsel || test x$target_cpu = xarm64 ) && test "x$grub_cv_cc_target_clang" = xyes ; then
TARGET_CFLAGS="$TARGET_CFLAGS -fPIC"
elif [ x"$pic_possible" = xyes ]; then
TARGET_CFLAGS="$TARGET_CFLAGS -fno-PIC"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], [flag=1], [flag=0])
if test x"$flag" = x1; then
grub_cv_target_cc_strict_align="$arg"
- break;
+ break
fi
done])
# Set them to their new values for the tests below.
CC="$TARGET_CC"
-if test "x$TARGET_APPLE_LINKER" = x1 ; then
+if test x"$platform" = xemu ; then
+CFLAGS="$TARGET_CFLAGS -Wno-error"
+elif test "x$TARGET_APPLE_LINKER" = x1 ; then
CFLAGS="$TARGET_CFLAGS -nostdlib -static -Wno-error"
else
CFLAGS="$TARGET_CFLAGS -nostdlib -Wno-error"
fi
CPPFLAGS="$TARGET_CPPFLAGS"
-if test x$target_cpu = xi386 || test x$target_cpu = xx86_64 || test "x$grub_cv_cc_target_clang" = xyes ; then
-TARGET_LIBGCC=
-else
-TARGET_LIBGCC=-lgcc
-fi
-
-LIBS="$TARGET_LIBGCC"
grub_ASM_USCORE
-if test "x$TARGET_APPLE_LINKER" = x0 ; then
+if test "x$TARGET_APPLE_LINKER" = x0 && test x"$platform" != xemu; then
if test x$grub_cv_asm_uscore = xyes; then
DEFSYM="-Wl,--defsym,_abort=_main -Wl,--defsym,__main=_main"
else
fi
# Check for libgcc symbols
-AC_CHECK_FUNCS(__bswapsi2 __bswapdi2 __ashldi3 __ashrdi3 __lshrdi3 __ucmpdi2 _restgpr_14_x)
+if test x"$platform" = xemu; then
+AC_CHECK_FUNCS(__udivsi3 __umodsi3 __divsi3 __modsi3 __divdi3 __moddi3 __udivdi3 __umoddi3 __ctzdi2 __ctzsi2 __aeabi_uidiv __aeabi_uidivmod __aeabi_idiv __aeabi_idivmod __aeabi_ulcmp __muldi3 __aeabi_lmul __aeabi_memcpy __aeabi_memcpy4 __aeabi_memcpy8 __aeabi_memclr __aeabi_memclr4 __aeabi_memclr8 __aeabi_memset __aeabi_lasr __aeabi_llsl __aeabi_llsr _restgpr_14_x __ucmpdi2 __ashldi3 __ashrdi3 __lshrdi3 __bswapsi2 __bswapdi2 __bzero __register_frame_info __deregister_frame_info ___chkstk_ms __chkstk_ms)
+fi
if test "x$TARGET_APPLE_LINKER" = x1 ; then
CFLAGS="$TARGET_CFLAGS -nostdlib -static"
grub_CHECK_END_SYMBOL
fi
CFLAGS="$TARGET_CFLAGS"
- grub_I386_ASM_PREFIX_REQUIREMENT
- grub_I386_ASM_ADDR32
fi
grub_PROG_NM_WORKS
fi
AC_SUBST([BOOT_TIME_STATS])
-AC_ARG_ENABLE([grub-emu-usb],
- [AS_HELP_STRING([--enable-grub-emu-usb],
- [build and install the `grub-emu' debugging utility with USB support (default=guessed)])])
-
AC_ARG_ENABLE([grub-emu-sdl],
[AS_HELP_STRING([--enable-grub-emu-sdl],
[build and install the `grub-emu' debugging utility with SDL support (default=guessed)])])
if test "$platform" = emu; then
-if test x"$enable_grub_emu_usb" != xyes ; then
- grub_emu_usb_excuse="not enabled"
-fi
-
-if test x"$enable_grub_emu_pci" = xyes ; then
- grub_emu_usb_excuse="conflicts with PCI support"
-fi
-
-[if [ x"$grub_emu_usb_excuse" = x ]; then
- # Check for libusb libraries.]
-AC_CHECK_LIB([usb], [usb_claim_interface], [LIBUSB="-lusb"],
- [grub_emu_usb_excuse=["need libusb library"]])
- AC_SUBST([LIBUSB])
-[fi]
-[if [ x"$grub_emu_usb_excuse" = x ]; then
- # Check for headers.]
- AC_CHECK_HEADERS([usb.h], [],
- [grub_emu_usb_excuse=["need libusb headers"]])
-[fi]
-if test x"$enable_grub_emu_usb" = xyes && test x"$grub_emu_usb_excuse" != x ; then
- AC_MSG_ERROR([USB support for grub-emu was explicitly requested but can't be compiled ($grub_emu_usb_excuse)])
-fi
-if test x"$grub_emu_usb_excuse" = x ; then
-enable_grub_emu_usb=yes
-else
-enable_grub_emu_usb=no
-fi
-
if test x"$enable_grub_emu_sdl" = xno ; then
- grub_emu_sdl_excuse="explicitely disabled"
+ grub_emu_sdl_excuse="explicitly disabled"
fi
[if [ x"$grub_emu_sdl_excuse" = x ]; then
# Check for libSDL libraries.]
[fi]
if test x"enable_grub_emu_sdl" = xyes && test x"$grub_emu_sdl_excuse" != x ; then
- AC_MSG_ERROR([SDL support for grub-emu was explicitely requested but can't be compiled ($grub_emu_sdl_excuse)])
+ AC_MSG_ERROR([SDL support for grub-emu was explicitly requested but can't be compiled ($grub_emu_sdl_excuse)])
fi
if test x"$grub_emu_sdl_excuse" = x ; then
enable_grub_emu_sdl=yes
grub_emu_pci_excuse="not enabled"
fi
-if test x"$enable_grub_emu_usb" = xyes ; then
- grub_emu_pci_excuse="conflicts with USB support"
-fi
-
[if [ x"$grub_emu_pci_excuse" = x ]; then
# Check for libpci libraries.]
AC_CHECK_LIB([pciaccess], [pci_system_init], [LIBPCIACCESS="-lpciaccess"],
[fi]
[if [ x"$grub_emu_pci_excuse" = x ]; then
# Check for headers.]
- AC_CHECK_HEADERS([pci/pci.h], [],
+ AC_CHECK_HEADERS([pciaccess.h], [],
[grub_emu_pci_excuse=["need libpciaccess headers"]])
[fi]
fi
AC_SUBST([enable_grub_emu_sdl])
-AC_SUBST([enable_grub_emu_usb])
AC_SUBST([enable_grub_emu_pci])
else
# Ignore --enable-emu-* if platform is not emu
enable_grub_emu_sdl=no
-enable_grub_emu_usb=no
enable_grub_emu_pci=no
fi
SAVED_CPP="$CPP"
SAVED_CFLAGS="$CFLAGS"
SAVED_CPPFLAGS="$CPPFLAGS"
+SAVED_LDFLAGS="$LDFLAGS"
CC="$BUILD_CC"
CPP="$BUILD_CPP"
CFLAGS="$BUILD_CFLAGS"
CPPFLAGS="$BUILD_CPPFLAGS"
+LDFLAGS="$BUILD_LDFAGS"
unset ac_cv_c_bigendian
unset ac_cv_header_ft2build_h
else
enable_build_grub_mkfont=no
fi
-if test x"$enable_build_grub_mkfont" = xno && ( test "x$platform" = xqemu || test "x$platform" = xloongson || test "x$platform" = xqemu_mips || test "x$target_cpu"-"$platform" = xpowerpc-ieee1275 || test "x$platform" = xcoreboot ); then
+if test x"$enable_build_grub_mkfont" = xno && ( test "x$platform" = xqemu || test "x$platform" = xloongson || test "x$platform" = xqemu_mips || test "x$platform" = xcoreboot ); then
if test x"$grub_build_mkfont_excuse" = x ; then
- AC_MSG_ERROR([qemu, powerpc-ieee1275, coreboot and loongson ports needs build-time grub-mkfont])
+ AC_MSG_ERROR([qemu, coreboot and loongson ports need build-time grub-mkfont])
else
- AC_MSG_ERROR([qemu, powerpc-ieee1275, coreboot and loongson ports needs build-time grub-mkfont ($grub_build_mkfont_excuse)])
+ AC_MSG_ERROR([qemu, coreboot and loongson ports need build-time grub-mkfont ($grub_build_mkfont_excuse)])
fi
fi
CPP="$SAVED_CPP"
CFLAGS="$SAVED_CFLAGS"
CPPFLAGS="$SAVED_CPPFLAGS"
+LDFLAGS="$SAVED_LDFLAGS"
DJVU_FONT_SOURCE=
if test x"$starfield_excuse" = x; then
for ext in pcf pcf.gz bdf bdf.gz ttf ttf.gz; do
- for dir in . /usr/src /usr/share/fonts/X11/misc /usr/share/fonts/truetype/ttf-dejavu /usr/share/fonts/dejavu; do
+ for dir in . /usr/src /usr/share/fonts/X11/misc /usr/share/fonts/truetype/ttf-dejavu /usr/share/fonts/dejavu /usr/share/fonts/truetype; do
if test -f "$dir/DejaVuSans.$ext"; then
DJVU_FONT_SOURCE="$dir/DejaVuSans.$ext"
break 2
md5="$(md5sum "$dir/unifont.$ext"|awk '{ print $1; }')"
# PCF and BDF from version 6.3 isn't hanled properly by libfreetype.
if test "$md5" = 0a54834d2788c83886a3e1785a6a1e61 || test "$md5" = 28f2565c7a41d8d407e2551159385edb || test "$md5" = dae5e588461b3b92b87b6ffee734f936 || test "$md5" = 4a3d687aa5bb329ed05f4263a1016791 ; then
- continue;
+ continue
fi
FONT_SOURCE="$dir/unifont.$ext"
break 2
FONT_SOURCE=
fi
-if test "x$FONT_SOURCE" = x && ( test "x$platform" = xqemu || test "x$platform" = xloongson || test "x$platform" = xqemu_mips || test "x$target_cpu"-"$platform" = xpowerpc-ieee1275 || test "x$platform" = xcoreboot ); then
+if test "x$FONT_SOURCE" = x && ( test "x$platform" = xqemu || test "x$platform" = xloongson || test "x$platform" = xqemu_mips || test "x$platform" = xcoreboot ); then
if test x"$grub_build_mkfont_excuse" = x ; then
- AC_MSG_ERROR([qemu, powerpc-ieee1275, coreboot and loongson ports need unifont])
+ AC_MSG_ERROR([qemu, coreboot and loongson ports need unifont])
else
- AC_MSG_ERROR([qemu, powerpc-ieee1275, coreboot and loongson ports need unifont ($grub_build_mkfont_excuse)])
+ AC_MSG_ERROR([qemu, coreboot and loongson ports need unifont ($grub_build_mkfont_excuse)])
fi
fi
if test x"$grub_mount_excuse" = x ; then
# Check for fuse headers.
SAVED_CPPFLAGS="$CPPFLAGS"
- CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=64 -DFUSE_USE_VERSION=26"
+ CPPFLAGS="$CPPFLAGS -DFUSE_USE_VERSION=26"
AC_CHECK_HEADERS([fuse/fuse.h], [],
[grub_mount_excuse=["need FUSE headers"]])
CPPFLAGS="$SAVED_CPPFLAGS"
fi
if test x"$device_mapper_excuse" = x ; then
- LIBDEVMAPPER="-ldevmapper";
+ LIBDEVMAPPER="-ldevmapper"
AC_DEFINE([HAVE_DEVICE_MAPPER], [1],
[Define to 1 if you have the devmapper library.])
fi
[AC_SUBST([GRUB_BOOT_MACHINE_LINK_ADDR], 0xffe00)])
AC_SUBST(HAVE_ASM_USCORE)
-AC_SUBST(ADDR32)
-AC_SUBST(DATA32)
AC_SUBST(BSS_START_SYMBOL)
AC_SUBST(END_SYMBOL)
AC_SUBST(PACKAGE)
AC_SUBST(VERSION)
-AC_SUBST(NEED_REGISTER_FRAME_INFO)
AC_ARG_ENABLE([werror],
[AS_HELP_STRING([--disable-werror],
HOST_CFLAGS="$HOST_CFLAGS -Werror"
fi
-if test "x$grub_cv_cc_target_clang" = xno; then
- TARGET_LDFLAGS_STATIC_LIBGCC="-static-libgcc"
-else
- TARGET_LDFLAGS_STATIC_LIBGCC=
-fi
-
TARGET_CPP="$TARGET_CC -E"
TARGET_CCAS=$TARGET_CC
+# Includes which include make-time substitutions. They must come last
+# as to avoid executing top_builddir in shell.
+HOST_CPPFLAGS="$HOST_CPPFLAGS -I\$(top_builddir)/include"
+TARGET_CPPFLAGS="$TARGET_CPPFLAGS -I\$(top_srcdir)/include"
+TARGET_CPPFLAGS="$TARGET_CPPFLAGS -I\$(top_builddir)/include"
+
GRUB_TARGET_CPU="${target_cpu}"
GRUB_PLATFORM="${platform}"
AC_SUBST(GRUB_PLATFORM)
AC_SUBST(TARGET_OBJCONV)
-AC_SUBST(TARGET_LIBGCC)
-AC_SUBST(TARGET_LDFLAGS_STATIC_LIBGCC)
AC_SUBST(TARGET_CPP)
AC_SUBST(TARGET_CCAS)
AC_SUBST(TARGET_OBJ2ELF)
AC_SUBST(TARGET_MODULE_FORMAT)
+AC_SUBST(TARGET_CC_VERSION)
AC_SUBST(TARGET_CFLAGS)
AC_SUBST(TARGET_LDFLAGS)
# Automake conditionals
#
+AM_CONDITIONAL([COND_real_platform], [test x$platform != xnone])
AM_CONDITIONAL([COND_emu], [test x$platform = xemu])
-AM_CONDITIONAL([COND_clang], [test x$grub_cv_cc_target_clang = xyes])
AM_CONDITIONAL([COND_i386_pc], [test x$target_cpu = xi386 -a x$platform = xpc])
AM_CONDITIONAL([COND_i386_efi], [test x$target_cpu = xi386 -a x$platform = xefi])
AM_CONDITIONAL([COND_ia64_efi], [test x$target_cpu = xia64 -a x$platform = xefi])
AM_CONDITIONAL([COND_mipseb], [test x$target_cpu = xmips])
AM_CONDITIONAL([COND_arm], [test x$target_cpu = xarm ])
AM_CONDITIONAL([COND_arm_uboot], [test x$target_cpu = xarm -a x$platform = xuboot])
+AM_CONDITIONAL([COND_arm_coreboot], [test x$target_cpu = xarm -a x$platform = xcoreboot])
AM_CONDITIONAL([COND_arm_efi], [test x$target_cpu = xarm -a x$platform = xefi])
AM_CONDITIONAL([COND_arm64], [test x$target_cpu = xarm64 ])
AM_CONDITIONAL([COND_arm64_efi], [test x$target_cpu = xarm64 -a x$platform = xefi])
+AM_CONDITIONAL([COND_HOST_HURD], [test x$host_kernel = xhurd])
+AM_CONDITIONAL([COND_HOST_LINUX], [test x$host_kernel = xlinux])
+AM_CONDITIONAL([COND_HOST_NETBSD], [test x$host_kernel = xnetbsd])
AM_CONDITIONAL([COND_HOST_WINDOWS], [test x$host_kernel = xwindows])
+AM_CONDITIONAL([COND_HOST_KFREEBSD], [test x$host_kernel = xkfreebsd])
+AM_CONDITIONAL([COND_HOST_XNU], [test x$host_kernel = xxnu])
+AM_CONDITIONAL([COND_HOST_ILLUMOS], [test x$host_kernel = xillumos])
AM_CONDITIONAL([COND_MAN_PAGES], [test x$cross_compiling = xno -a x$HELP2MAN != x])
-AM_CONDITIONAL([COND_GRUB_EMU_USB], [test x$enable_grub_emu_usb = xyes])
AM_CONDITIONAL([COND_GRUB_EMU_SDL], [test x$enable_grub_emu_sdl = xyes])
AM_CONDITIONAL([COND_GRUB_EMU_PCI], [test x$enable_grub_emu_pci = xyes])
AM_CONDITIONAL([COND_GRUB_MKFONT], [test x$enable_grub_mkfont = xyes])
# Output files.
-cpudir="${target_cpu}"
-if test x${cpudir} = xmipsel; then
- cpudir=mips;
-fi
-grub_CHECK_LINK_DIR
-if test x"$link_dir" = xyes ; then
- AC_CONFIG_LINKS([include/grub/cpu:include/grub/$cpudir])
- if test "$platform" != emu ; then
- AC_CONFIG_LINKS([include/grub/machine:include/grub/$cpudir/$platform])
+if test "$platform" != none; then
+ cpudir="${target_cpu}"
+ if test x${cpudir} = xmipsel; then
+ cpudir=mips;
fi
-else
- mkdir -p include/grub 2>/dev/null
- rm -rf include/grub/cpu
- cp -rp $srcdir/include/grub/$cpudir include/grub/cpu 2>/dev/null
- if test "$platform" != emu ; then
- rm -rf include/grub/machine
- cp -rp $srcdir/include/grub/$cpudir/$platform include/grub/machine 2>/dev/null
+ grub_CHECK_LINK_DIR
+ if test x"$link_dir" = xyes ; then
+ AC_CONFIG_LINKS([include/grub/cpu:include/grub/$cpudir])
+ if test "$platform" != emu ; then
+ AC_CONFIG_LINKS([include/grub/machine:include/grub/$cpudir/$platform])
+ fi
+ else
+ mkdir -p include/grub 2>/dev/null
+ rm -rf include/grub/cpu
+ cp -rp $srcdir/include/grub/$cpudir include/grub/cpu 2>/dev/null
+ if test "$platform" != emu ; then
+ rm -rf include/grub/machine
+ cp -rp $srcdir/include/grub/$cpudir/$platform include/grub/machine 2>/dev/null
+ fi
fi
+else
+ # Just enough to stop the compiler failing with -I$(srcdir)/include.
+ mkdir -p include 2>/dev/null
+ rm -rf include/grub/cpu include/grub/machine
fi
AC_CONFIG_FILES([Makefile])
echo GRUB2 will be compiled with following components:
echo Platform: "$target_cpu"-"$platform"
if [ x"$platform" = xemu ]; then
-if [ x"$grub_emu_usb_excuse" = x ]; then
-echo USB support for grub-emu: Yes
-else
-echo USB support for grub-emu: No "($grub_emu_usb_excuse)"
-fi
if [ x"$grub_emu_sdl_excuse" = x ]; then
echo SDL support for grub-emu: Yes
else
fi
if [ x"$starfield_excuse" = x ]; then
echo starfield theme: Yes
+echo With DejaVuSans font from $DJVU_FONT_SOURCE
else
echo starfield theme: No "($starfield_excuse)"
fi
projects / grub.git / blobdiff