# Checks for host and target systems.
AC_CANONICAL_HOST
+save_program_prefix="${program_prefix}"
AC_CANONICAL_TARGET
+program_prefix="${save_program_prefix}"
-AM_INIT_AUTOMAKE()
+AM_INIT_AUTOMAKE([1.10.1])
AC_PREREQ(2.60)
AC_CONFIG_SRCDIR([include/grub/dl.h])
AC_CONFIG_HEADER([config-util.h])
TARGET_CFLAGS="$TARGET_CFLAGS -Os"
fi
-BUILD_CPPFLAGS="$BUILD_CPPFLAGS -DLOCALEDIR=\\\"\$(localedir)\\\""
-
# Default HOST_CPPFLAGS
HOST_CPPFLAGS="$HOST_CPPFLAGS -Wall -W"
HOST_CPPFLAGS="$HOST_CPPFLAGS -I\$(top_builddir)/include"
HOST_CPPFLAGS="$HOST_CPPFLAGS -DGRUB_UTIL=1"
-HOST_CPPFLAGS="$HOST_CPPFLAGS -DGRUB_LIBDIR=\\\"\$(pkglibdir)\\\""
-HOST_CPPFLAGS="$HOST_CPPFLAGS -DLOCALEDIR=\\\"\$(localedir)\\\""
TARGET_CPPFLAGS="$TARGET_CPPFLAGS -Wall -W"
TARGET_CPPFLAGS="$TARGET_CPPFLAGS -I\$(top_srcdir)/include"
case "$target_cpu"-"$platform" in
x86_64-efi) ;;
x86_64-emu) ;;
+ x86_64-xen) ;;
x86_64-*) target_cpu=i386 ;;
powerpc64-ieee1275) target_cpu=powerpc ;;
esac
case "$target_cpu"-"$platform" in
i386-efi) ;;
x86_64-efi) ;;
+ i386-xen) ;;
+ x86_64-xen) ;;
i386-pc) ;;
i386-multiboot) ;;
i386-coreboot) ;;
*) AC_MSG_ERROR([platform "$platform" is not supported for target CPU "$target_cpu"]) ;;
esac
-case "$target_cpu" in
- i386 | powerpc) target_m32=1 ;;
- x86_64 | sparc64) target_m64=1 ;;
-esac
+if test x$platform != xemu ; then
+ case "$target_cpu" in
+ i386 | powerpc) target_m32=1 ;;
+ x86_64 | sparc64) target_m64=1 ;;
+ esac
+fi
case "$target_os" in
windows* | mingw32*) target_os=cygwin ;;
cygwin | windows* | mingw32*) host_kernel=windows ;;
esac
+case "$host_os" in
+ cygwin | windows* | mingw32*) have_exec=n ;;
+ aros*) have_exec=n ;;
+ *) have_exec=y;;
+esac
+
case "$platform" in
coreboot) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_COREBOOT=1" ;;
multiboot) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_MULTIBOOT=1" ;;
efi) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_EFI=1" ;;
+ xen) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_XEN=1" ;;
ieee1275) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_IEEE1275=1" ;;
uboot) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_UBOOT=1" ;;
qemu) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_QEMU=1" ;;
;;
esac
-grub_apple_cc
-if test x$grub_cv_apple_cc = xyes ; then
- HOST_CPPFLAGS="$HOST_CPPFLAGS -fnested-functions"
- HOST_LDFLAGS="$HOST_LDFLAGS -Wl,-allow_stack_execute"
-fi
-
if test x$USE_NLS = xno; then
HOST_CFLAGS="$HOST_CFLAGS -fno-builtin-gettext"
fi
AC_CACHE_CHECK([whether -Wtrampolines work], [grub_cv_host_cc_wtrampolines], [
SAVED_CFLAGS="$CFLAGS"
- CFLAGS="$HOST_CFLAGS -Wtrampolines"
+ CFLAGS="$HOST_CFLAGS -Wtrampolines -Werror"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdarg.h>
int va_arg_func (int fixed, va_list args);]], [[]])],
[grub_cv_host_cc_wtrampolines=yes],
test -z "$BUILD_CC" && AC_MSG_ERROR([none of gcc, egcs and cc is found. set BUILD_CC manually.])
BUILD_CPP="$BUILD_CC -E"
+case "$build_os" in
+ haiku*) BUILD_LIBM= ;;
+ *) BUILD_LIBM=-lm ;;
+esac
# For gnulib.
gl_INIT
LDFLAGS="$TARGET_LDFLAGS"
LIBS=""
-grub_PROG_NM_MINUS_P
-grub_PROG_NM_DEFINED_ONLY
-AC_SUBST(TARGET_NMFLAGS_MINUS_P)
-AC_SUBST(TARGET_NMFLAGS_DEFINED_ONLY)
-
# debug flags.
-WARN_FLAGS="-Wall -W -Wshadow -Wold-style-definition -Wpointer-arith -Wundef -Wextra -Wattributes -Wcast-align -Wchar-subscripts -Wcomment -Wdeprecated-declarations -Wdisabled-optimization -Wdiv-by-zero -Wendif-labels -Wfloat-equal -Wformat-extra-args -Wformat-security -Wformat-y2k -Wimplicit -Wimplicit-function-declaration -Wimplicit-int -Winit-self -Wint-to-pointer-cast -Winvalid-pch -Wmain -Wmissing-braces -Wmissing-field-initializers -Wmissing-format-attribute -Wmultichar -Wnonnull -Woverflow -Wparentheses -Wpointer-arith -Wpointer-to-int-cast -Wreturn-type -Wsequence-point -Wshadow -Wsign-compare -Wstrict-aliasing -Wswitch -Wtrigraphs -Wundef -Wunknown-pragmas -Wunused -Wunused-function -Wunused-label -Wunused-parameter -Wunused-value -Wunused-variable -Wvariadic-macros -Wvolatile-register-var -Wwrite-strings -Wnested-externs -Wstrict-prototypes -Wpointer-sign"
-HOST_CFLAGS="$HOST_CFLAGS $WARN_FLAGS"
+WARN_FLAGS="-Wall -W -Wshadow -Wold-style-definition -Wpointer-arith -Wundef -Wextra -Wattributes -Wchar-subscripts -Wcomment -Wdeprecated-declarations -Wdisabled-optimization -Wdiv-by-zero -Wendif-labels -Wfloat-equal -Wformat-extra-args -Wformat-security -Wformat-y2k -Wimplicit -Wimplicit-function-declaration -Wimplicit-int -Winit-self -Wint-to-pointer-cast -Winvalid-pch -Wmain -Wmissing-braces -Wmissing-field-initializers -Wmissing-format-attribute -Wmultichar -Wnonnull -Woverflow -Wparentheses -Wpointer-arith -Wpointer-to-int-cast -Wreturn-type -Wsequence-point -Wshadow -Wsign-compare -Wstrict-aliasing -Wswitch -Wtrigraphs -Wundef -Wunknown-pragmas -Wunused -Wunused-function -Wunused-label -Wunused-parameter -Wunused-value -Wunused-variable -Wvariadic-macros -Wvolatile-register-var -Wwrite-strings -Wnested-externs -Wstrict-prototypes -Wpointer-sign"
+HOST_CFLAGS="$HOST_CFLAGS $WARN_FLAGS -Wcast-align"
TARGET_CFLAGS="$TARGET_CFLAGS $WARN_FLAGS -g -Wredundant-decls -Wmissing-prototypes -Wmissing-declarations"
TARGET_CCASFLAGS="$TARGET_CCASFLAGS -g"
+if test "x$target_cpu" != xi386 && test "x$target_cpu" != xx86_64; then
+TARGET_CFLAGS="$TARGET_CFLAGS -Wcast-align"
+fi
+
+AC_CACHE_CHECK([if compiling with clang], [grub_cv_cc_target_clang]
+[AC_COMPILE_IFELSE(
+[AC_LANG_PROGRAM([], [[
+#ifdef __clang__
+#error "is clang"
+#endif
+]])],
+[grub_cv_cc_target_clang=no], [grub_cv_cc_target_clang=yes])])
+
+# on x86 clang doesn't support .code16
+# on arm clang doesn't support .arch directive
+# on mips clang doesn't support privilegied instructions, doubleword store/load
+# and crashes with hand-written assembly
+if test "x$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"
+fi
+
+if test "x$target_cpu" = xi386 && test "x$platform" != xemu; then
+ TARGET_CFLAGS="$TARGET_CFLAGS -march=i386"
+fi
+
+if test "x$target_m32" = x1; then
+ # Force 32-bit mode.
+ TARGET_CFLAGS="$TARGET_CFLAGS -m32"
+ TARGET_CCASFLAGS="$TARGET_CCASFLAGS -m32"
+ TARGET_CPPFLAGS="$TARGET_CPPFLAGS -m32"
+ TARGET_LDFLAGS="$TARGET_LDFLAGS -m32"
+ TARGET_MODULE_FORMAT="elf32"
+fi
+
+if test "x$target_m64" = x1; then
+ # Force 64-bit mode.
+ TARGET_CFLAGS="$TARGET_CFLAGS -m64"
+ TARGET_CCASFLAGS="$TARGET_CCASFLAGS -m64"
+ TARGET_CPPFLAGS="$TARGET_CPPFLAGS -m64"
+ TARGET_LDFLAGS="$TARGET_LDFLAGS -m64"
+ TARGET_MODULE_FORMAT="elf64"
+fi
+
+if test "x$grub_cv_cc_target_clang" = xno && test "x$target_cpu" = xi386 && test "x$platform" != xemu && test "x$platform" != xefi; then
+ TARGET_CFLAGS="$TARGET_CFLAGS -mrtd -mregparm=3"
+fi
+
+# on mips redirect cache flushing function to non-existant one.
+if test "x$target_cpu" = xmips || test "x$target_cpu" = xmipsel ; then
+ AC_CACHE_CHECK([whether -mflush-func=grub_red_herring works], [grub_cv_cc_mflush_func], [
+ CFLAGS="$TARGET_CFLAGS -mflush-func=grub_red_herring -Werror"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
+ [grub_cv_cc_mflush_func=yes],
+ [grub_cv_cc_mflush_func=no])
+ ])
+
+ if test "x$grub_cv_cc_mflush_func" = xyes; then
+ TARGET_CFLAGS="$TARGET_CFLAGS -mflush-func=grub_red_herring"
+ fi
+fi
+
+
# Force no alignment to save space on i386.
if test "x$target_cpu" = xi386; then
AC_CACHE_CHECK([whether -falign-loops works], [grub_cv_cc_falign_loop], [
- CFLAGS="$CFLAGS -falign-loops=1"
+ CFLAGS="$TARGET_CFLAGS -falign-loops=1 -Werror"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
[grub_cv_cc_falign_loop=yes],
[grub_cv_cc_falign_loop=no])
])
+ AC_CACHE_CHECK([whether -malign-loops works], [grub_cv_cc_malign_loop], [
+ CFLAGS="$TARGET_CFLAGS -malign-loops=1 -Werror"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
+ [grub_cv_cc_malign_loop=yes],
+ [grub_cv_cc_malign_loop=no])
+ ])
+
if test "x$grub_cv_cc_falign_loop" = xyes; then
TARGET_CFLAGS="$TARGET_CFLAGS -falign-jumps=1 -falign-loops=1 -falign-functions=1"
- else
+ elif test "x$grub_cv_cc_malign_loop" = xyes; then
TARGET_CFLAGS="$TARGET_CFLAGS -malign-jumps=1 -malign-loops=1 -malign-functions=1"
fi
fi
+AC_CACHE_CHECK([whether -freg-struct-return works], [grub_cv_cc_freg_struct_return], [
+ CFLAGS="$TARGET_CFLAGS -freg-struct-return -Werror"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
+ [grub_cv_cc_freg_struct_return=yes],
+ [grub_cv_cc_freg_struct_return=no])
+])
+
+if test "x$grub_cv_cc_freg_struct_return" = xyes; then
+ TARGET_CFLAGS="$TARGET_CFLAGS -freg-struct-return"
+fi
+
if ( test "x$target_cpu" = xi386 || test "x$target_cpu" = xx86_64 ) && test "x$platform" != xemu; then
# Some toolchains enable these features by default, but they need
# registers that aren't set up properly in GRUB.
# these and they just use up vital space. Restore the old compiler
# behaviour.
AC_CACHE_CHECK([whether -fno-dwarf2-cfi-asm works], [grub_cv_cc_fno_dwarf2_cfi_asm], [
- SAVE_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -fno-dwarf2-cfi-asm"
+ CFLAGS="$TARGET_CFLAGS -fno-dwarf2-cfi-asm"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
[grub_cv_cc_fno_dwarf2_cfi_asm=yes],
[grub_cv_cc_fno_dwarf2_cfi_asm=no])
- CFLAGS="$SAVE_CFLAGS"
])
if test "x$grub_cv_cc_fno_dwarf2_cfi_asm" = xyes; then
if test x"$target_os" = xcygwin; then
AC_CACHE_CHECK([whether option -fno-reorder-functions works], grub_cv_cc_no_reorder_functions, [
- CFLAGS="$CFLAGS -fno-reorder-functions"
+ CFLAGS="$TARGET_CFLAGS -fno-reorder-functions"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
[grub_cv_cc_no_reorder_functions=yes],
[grub_cv_cc_no_reorder_functions=no])
# these and they just use up vital space. Restore the old compiler
# behaviour.
AC_CACHE_CHECK([whether -fno-asynchronous-unwind-tables works], [grub_cv_cc_fno_asynchronous_unwind_tables], [
- SAVE_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -fno-dwarf2-cfi-asm"
+ CFLAGS="$TARGET_CFLAGS -fno-dwarf2-cfi-asm"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
[grub_cv_cc_fno_asynchronous_unwind_tables=yes],
[grub_cv_cc_fno_asynchronous_unwind_tables=no])
- CFLAGS="$SAVE_CFLAGS"
])
if test "x$grub_cv_cc_fno_asynchronous_unwind_tables" = xyes; then
TARGET_CFLAGS="$TARGET_CFLAGS -fno-asynchronous-unwind-tables"
fi
-grub_apple_target_cc
-if test x$grub_cv_apple_target_cc = xyes ; then
- TARGET_CPPFLAGS="$TARGET_CPPFLAGS -fnested-functions"
-
- CFLAGS="$CFLAGS -fnested-functions"
- TARGET_APPLE_CC=1
- AC_CHECK_PROG([TARGET_OBJCONV], [objconv], [objconv], [])
- if test "x$TARGET_OBJCONV" = x ; then
- AC_CHECK_PROG([TARGET_OBJCONV], [objconv], [./objconv], [], [.])
- fi
- if test "x$TARGET_OBJCONV" = x ; then
- AC_MSG_ERROR([objconv not found which is required when building with apple compiler])
- fi
- TARGET_IMG_LDSCRIPT=
- TARGET_IMG_CFLAGS="-static"
- TARGET_IMG_LDFLAGS='-nostdlib -static -Wl,-preload -Wl,-segalign,20'
- TARGET_IMG_LDFLAGS_AC='-nostdlib -static -Wl,-preload -Wl,-segalign,20'
- TARGET_IMG_BASE_LDOPT="-Wl,-image_base"
- TARGET_LDFLAGS_OLDMAGIC=""
-else
- TARGET_APPLE_CC=0
- TARGET_LDFLAGS_OLDMAGIC="-Wl,-N"
-# Use linker script if present, otherwise use builtin -N script.
-if test -f "${srcdir}/${grub_coredir}/conf/${target_cpu}-${platform}-${target_os}-img-ld.sc"; then
- TARGET_IMG_LDSCRIPT='$(top_srcdir)'"/${grub_coredir}/conf/${target_cpu}-${platform}-${target_os}-img-ld.sc"
- TARGET_IMG_LDFLAGS="-Wl,-T${TARGET_IMG_LDSCRIPT}"
- TARGET_IMG_LDFLAGS_AC="-Wl,-T${srcdir}/${grub_coredir}/conf/${target_cpu}-${platform}-${target_os}-img-ld.sc"
- TARGET_IMG_BASE_LDOPT="-Wl,-Ttext"
-else
- TARGET_IMG_LDSCRIPT=
- TARGET_IMG_LDFLAGS='-Wl,-N'
- TARGET_IMG_LDFLAGS_AC='-Wl,-N'
- TARGET_IMG_BASE_LDOPT="-Wl,-Ttext"
-fi
-TARGET_IMG_CFLAGS=
-fi
-
-AC_SUBST(TARGET_LDFLAGS_OLDMAGIC)
-
# For platforms where ELF is not the default link format.
-AC_MSG_CHECKING([for command to convert module to ELF format])
case "${target_os}" in
- cygwin) TARGET_OBJ2ELF='./build-grub-pe2elf';
+ cygwin)
# FIXME: put proper test here
NEED_REGISTER_FRAME_INFO=1
;;
*) NEED_REGISTER_FRAME_INFO=0 ;;
esac
-AC_MSG_RESULT([$TARGET_OBJ2ELF])
AC_ARG_ENABLE([efiemu],
fi
if test x"$efiemu_excuse" = x ; then
AC_CACHE_CHECK([whether options required for efiemu work], grub_cv_cc_efiemu, [
- SAVED_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -m64 -mcmodel=large -mno-red-zone -nostdlib"
+ CFLAGS="-m64 -nostdlib -O2 -mcmodel=large -mno-red-zone"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
[grub_cv_cc_efiemu=yes],
[grub_cv_cc_efiemu=no])
- CFLAGS="$SAVED_CFLAGS"
])
if test x$grub_cv_cc_efiemu = xno; then
efiemu_excuse="cannot compile with -m64 -mcmodel=large -mno-red-zone -nostdlib"
fi
AC_SUBST([enable_efiemu])
-if test "x$target_m32" = x1; then
- # Force 32-bit mode.
- TARGET_CFLAGS="$TARGET_CFLAGS -m32"
- TARGET_CCASFLAGS="$TARGET_CCASFLAGS -m32"
- TARGET_CPPFLAGS="$TARGET_CPPFLAGS -m32"
- TARGET_LDFLAGS="$TARGET_LDFLAGS -m32"
- TARGET_MODULE_FORMAT="elf32"
+CFLAGS="$TARGET_CFLAGS"
+
+if test x"$target_cpu" = xi386 || test x"$target_cpu" = xx86_64; then
+ AC_CACHE_CHECK([for linking format], [grub_cv_target_cc_link_format], [
+ grub_cv_target_cc_link_format=unknown
+ for format in -melf_${target_cpu} -melf_${target_cpu}_fbsd -melf_${target_cpu}_obsd -melf_${target_cpu}_haiku -m${target_cpu}pe -arch,${target_cpu}; do
+ if test x${target_cpu} != xi386 && test x$format = x${target_cpu}pe; then
+ continue
+ fi
+ CFLAGS="$TARGET_CFLAGS -static"
+ LDFLAGS="$TARGET_LDFLAGS -Wl,$format -nostdlib"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+ asm (".globl start; start:");
+ asm (".globl _start; _start:");
+ asm (".globl __start; __start:");
+ void __main (void);
+ void __main (void) {}
+ ]], [[]])], [flag=1], [])
+ if test x"$flag" = x1; then
+ grub_cv_target_cc_link_format="$format"
+ break;
+ fi
+ done])
+ if test x"$grub_cv_target_cc_link_format" = xunknown; then
+ AC_MSG_ERROR([no suitable link format found])
+ fi
+ TARGET_LDFLAGS="$TARGET_LDFLAGS -Wl,$grub_cv_target_cc_link_format"
+ if test x"$grub_cv_target_cc_link_format" = x-mi386pe; then
+ TARGET_OBJ2ELF='./build-grub-pe2elf';
+ fi
fi
-if test "x$target_m64" = x1; then
- # Force 64-bit mode.
- TARGET_CFLAGS="$TARGET_CFLAGS -m64"
- TARGET_CCASFLAGS="$TARGET_CCASFLAGS -m64"
- TARGET_CPPFLAGS="$TARGET_CPPFLAGS -m64"
- TARGET_LDFLAGS="$TARGET_LDFLAGS -m64"
- TARGET_MODULE_FORMAT="elf64"
+if test x$grub_cv_target_cc_link_format = x-arch,i386 || test x$grub_cv_target_cc_link_format = x-arch,x86_64; then
+ TARGET_APPLE_LINKER=1
+ AC_CHECK_PROG([TARGET_OBJCONV], [objconv], [objconv], [])
+ if test "x$TARGET_OBJCONV" = x ; then
+ AC_CHECK_PROG([TARGET_OBJCONV], [objconv], [./objconv], [], [.])
+ fi
+ if test "x$TARGET_OBJCONV" = x ; then
+ AC_MSG_ERROR([objconv not found which is required when building with apple compiler])
+ fi
+ TARGET_IMG_LDSCRIPT=
+ TARGET_IMG_CFLAGS="-static"
+ TARGET_IMG_LDFLAGS='-nostdlib -static -Wl,-preload -Wl,-segalign,20'
+ TARGET_IMG_LDFLAGS_AC='-nostdlib -static -Wl,-preload -Wl,-segalign,20'
+ TARGET_IMG_BASE_LDOPT="-Wl,-image_base"
+ TARGET_LDFLAGS_OLDMAGIC=""
+elif test x$grub_cv_target_cc_link_format = x-mi386pe && test x$platform = xpc; then
+ TARGET_APPLE_LINKER=0
+ TARGET_LDFLAGS_OLDMAGIC="-Wl,-N"
+ TARGET_IMG_LDSCRIPT='$(top_srcdir)'"/${grub_coredir}/conf/i386-pc-cygwin-img-ld.sc"
+ TARGET_IMG_LDFLAGS="-Wl,-T${TARGET_IMG_LDSCRIPT}"
+ TARGET_IMG_LDFLAGS_AC="-Wl,-T${srcdir}/${grub_coredir}/conf/i386-pc-cygwin-img-ld.sc"
+ TARGET_IMG_BASE_LDOPT="-Wl,-Ttext"
+ TARGET_IMG_CFLAGS=
+else
+ TARGET_APPLE_LINKER=0
+ TARGET_LDFLAGS_OLDMAGIC="-Wl,-N"
+ TARGET_IMG_LDSCRIPT=
+ TARGET_IMG_LDFLAGS='-Wl,-N'
+ TARGET_IMG_LDFLAGS_AC='-Wl,-N'
+ TARGET_IMG_BASE_LDOPT="-Wl,-Ttext"
+ TARGET_IMG_CFLAGS=
fi
-case "$target_os" in
- cygwin)
- ;;
- freebsd)
- if test x"$target_cpu" = xi386; then
- TARGET_LDFLAGS="$TARGET_LDFLAGS -Wl,-melf_i386_fbsd"
- fi
- if test x"$target_cpu" = xx86_64; then
- TARGET_LDFLAGS="$TARGET_LDFLAGS -Wl,-melf_x86_64_fbsd"
- fi
- ;;
- *)
- if test x"$target_cpu" = xi386; then
- TARGET_LDFLAGS="$TARGET_LDFLAGS -Wl,-melf_i386"
- fi
- if test x"$target_cpu" = xx86_64; then
- TARGET_LDFLAGS="$TARGET_LDFLAGS -Wl,-melf_x86_64"
- fi
- ;;
-esac
+AC_SUBST(TARGET_LDFLAGS_OLDMAGIC)
+
+
+LDFLAGS="$TARGET_LDFLAGS"
if test "$target_cpu" = x86_64; then
# Use large model to support 4G memory
AC_CACHE_CHECK([whether option -mcmodel=large works], grub_cv_cc_mcmodel, [
- SAVED_CFLAGS=$CFLAGS
- CFLAGS="$CFLAGS -m64 -mcmodel=large"
+ CFLAGS="$TARGET_CFLAGS -m64 -mcmodel=large"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
[grub_cv_cc_mcmodel=yes],
[grub_cv_cc_mcmodel=no])
])
- if test "x$grub_cv_cc_mcmodel" = xno; then
- AC_MSG_ERROR([-mcmodel=large not supported. Upgrade your gcc.])
- else
+ if test "x$grub_cv_cc_mcmodel" = xyes; then
TARGET_CFLAGS="$TARGET_CFLAGS -mcmodel=large"
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="$CFLAGS -m64 -mno-red-zone"
+ CFLAGS="$TARGET_CFLAGS -m64 -mno-red-zone"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
[grub_cv_cc_no_red_zone=yes],
[grub_cv_cc_no_red_zone=no])
# Compiler features.
#
+CFLAGS="$TARGET_CFLAGS"
+
# Position independent executable.
grub_CHECK_PIE
[# Need that, because some distributions ship compilers that include
TARGET_CFLAGS="$TARGET_CFLAGS -fno-PIE"
fi]
+CFLAGS="$TARGET_CFLAGS"
+
# Position independent executable.
grub_CHECK_PIC
-[# Need that, because some distributions ship compilers that include
-# `-fPIC' in the default specs.
-if [ x"$pic_possible" = xyes ]; then
- TARGET_CFLAGS="$TARGET_CFLAGS -fno-PIC"
+[# On most platforms we don't want PIC as it only makes relocations harder
+# and code less efficient. On mips we want to have one got table per module
+# and reload $gp in every function.
+# GCC implements it using symbol __gnu_local_gp in non-PIC as well.
+# However with clang we need PIC for this reloading to happen.
+# Since default varies across dictributions use either -fPIC or -fno-PIC
+# explicitly.
+if ( test x$target_cpu = xmips || test x$target_cpu = xmipsel ) && test "x$grub_cv_cc_target_clang" = xyes ; then
+ TARGET_CFLAGS="$TARGET_CFLAGS -fPIC"
+elif [ x"$pic_possible" = xyes ]; then
+ TARGET_CFLAGS="$TARGET_CFLAGS -fno-PIC"
fi]
+CFLAGS="$TARGET_CFLAGS"
+
# Smashing stack protector.
grub_CHECK_STACK_PROTECTOR
# Need that, because some distributions ship compilers that include
if test "x$ssp_possible" = xyes; then
TARGET_CFLAGS="$TARGET_CFLAGS -fno-stack-protector"
fi
+
+CFLAGS="$TARGET_CFLAGS"
+
grub_CHECK_STACK_ARG_PROBE
# Cygwin's GCC uses alloca() to probe the stackframe on static
# stack allocations above some threshold.
TARGET_CFLAGS="$TARGET_CFLAGS -mno-stack-arg-probe"
fi
+CFLAGS="$TARGET_CFLAGS"
+
# -mno-unaligned-access
if test "$target_cpu" = arm; then
grub_CHECK_NO_UNALIGNED_ACCESS
fi
fi
-AC_ARG_ENABLE([werror],
- [AS_HELP_STRING([--disable-werror],
- [do not use -Werror when building GRUB])])
-if test x"$enable_werror" != xno ; then
- TARGET_CFLAGS="$TARGET_CFLAGS -Werror"
- HOST_CFLAGS="$HOST_CFLAGS -Werror"
-fi
-
-TARGET_CPP="$TARGET_CC -E"
-TARGET_CCAS=$TARGET_CC
-
-GRUB_TARGET_CPU="${target_cpu}"
-GRUB_PLATFORM="${platform}"
-
-AC_SUBST(GRUB_TARGET_CPU)
-AC_SUBST(GRUB_PLATFORM)
-
-AC_SUBST(TARGET_OBJCONV)
-AC_SUBST(TARGET_CPP)
-AC_SUBST(TARGET_CCAS)
-AC_SUBST(TARGET_OBJ2ELF)
-AC_SUBST(TARGET_APPLE_CC)
-AC_SUBST(TARGET_MODULE_FORMAT)
-
-AC_SUBST(TARGET_CFLAGS)
-AC_SUBST(TARGET_LDFLAGS)
-AC_SUBST(TARGET_CPPFLAGS)
-AC_SUBST(TARGET_CCASFLAGS)
-
-AC_SUBST(TARGET_IMG_LDSCRIPT)
-AC_SUBST(TARGET_IMG_LDFLAGS)
-AC_SUBST(TARGET_IMG_CFLAGS)
-AC_SUBST(TARGET_IMG_BASE_LDOPT)
-
-AC_SUBST(HOST_CFLAGS)
-AC_SUBST(HOST_LDFLAGS)
-AC_SUBST(HOST_CPPFLAGS)
-AC_SUBST(HOST_CCASFLAGS)
-
# Set them to their new values for the tests below.
CC="$TARGET_CC"
-if test "x$TARGET_APPLE_CC" = x1 ; then
+if test "x$TARGET_APPLE_LINKER" = x1 ; then
CFLAGS="$TARGET_CFLAGS -nostdlib -Wno-error"
else
CFLAGS="$TARGET_CFLAGS -nostdlib -Wl,--defsym,___main=0x8100 -Wno-error"
fi
CPPFLAGS="$TARGET_CPPFLAGS"
-if test x$target_cpu = xi386 || test x$target_cpu = xx86_64 ; then
-LIBS=
+if test x$target_cpu = xi386 || test x$target_cpu = xx86_64 || test "x$grub_cv_cc_target_clang" = xyes ; then
+TARGET_LIBGCC=
else
-LIBS=-lgcc
+TARGET_LIBGCC=-lgcc
fi
+LIBS="$TARGET_LIBGCC"
+
grub_ASM_USCORE
+if test "x$TARGET_APPLE_LINKER" = x0 ; then
if test x$grub_cv_asm_uscore = xyes; then
-CFLAGS="$CFLAGS -Wl,--defsym,_abort=_main"
+CFLAGS="$TARGET_CFLAGS -nostdlib -Wl,--defsym,_abort=_main"
else
-CFLAGS="$CFLAGS -Wl,--defsym,abort=main"
+CFLAGS="$TARGET_CFLAGS -nostdlib -Wl,--defsym,abort=main"
+fi
fi
# Check for libgcc symbols
-AC_CHECK_FUNCS(__bswapsi2 __bswapdi2 __ashldi3 __ashrdi3 __lshrdi3 __ucmpdi2 _restgpr_14_x __udivsi3 __umoddi3 __udivdi3 __divsi3 __modsi3 __umodsi3 __moddi3 __divdi3 __ctzdi2 __ctzsi2)
+AC_CHECK_FUNCS(__bswapsi2 __bswapdi2 __ashldi3 __ashrdi3 __lshrdi3 __ucmpdi2 _restgpr_14_x)
-if test "x$TARGET_APPLE_CC" = x1 ; then
+if test "x$TARGET_APPLE_LINKER" = x1 ; then
CFLAGS="$TARGET_CFLAGS -nostdlib"
else
CFLAGS="$TARGET_CFLAGS -nostdlib -Wl,--defsym,___main=0x8100"
# Defined in aclocal.m4.
grub_PROG_TARGET_CC
-if test "x$TARGET_APPLE_CC" != x1 ; then
+if test "x$TARGET_APPLE_LINKER" != x1 ; then
grub_PROG_OBJCOPY_ABSOLUTE
fi
grub_PROG_LD_BUILD_ID_NONE
if test "x$target_cpu" = xi386; then
- if test "$platform" != emu && test "x$TARGET_APPLE_CC" != x1 ; then
+ if test "$platform" != emu && test "x$TARGET_APPLE_LINKER" != x1 ; then
if test ! -z "$TARGET_IMG_LDSCRIPT"; then
# Check symbols provided by linker script.
- CFLAGS="$TARGET_CFLAGS -nostdlib ${TARGET_IMG_LDFLAGS_AC} ${TARGET_IMG_BASE_LDOPT},8000 -Wl,--defsym,___main=0x8100"
+ CFLAGS="$TARGET_CFLAGS -nostdlib ${TARGET_IMG_LDFLAGS_AC} ${TARGET_IMG_BASE_LDOPT},0x8000 -Wl,--defsym,___main=0x8100"
fi
grub_CHECK_BSS_START_SYMBOL
grub_CHECK_END_SYMBOL
grub_I386_ASM_ADDR32
fi
+grub_PROG_NM_WORKS
+grub_PROG_NM_MINUS_P
+grub_PROG_NM_DEFINED_ONLY
+AC_SUBST(TARGET_NMFLAGS_MINUS_P)
+AC_SUBST(TARGET_NMFLAGS_DEFINED_ONLY)
+
if test "$platform" != emu; then
AC_CACHE_CHECK([whether -nostdinc -isystem works], [grub_cv_cc_isystem], [
SAVED_CPPFLAGS="$CPPFLAGS"
fi
AC_CACHE_CHECK([whether -Wtrampolines work], [grub_cv_cc_wtrampolines], [
- SAVED_CFLAGS="$CFLAGS"
- CFLAGS="$TARGET_CFLAGS -Wtrampolines"
+ CFLAGS="$TARGET_CFLAGS -Wtrampolines -Werror"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdarg.h>
int va_arg_func (int fixed, va_list args);]], [[]])],
[grub_cv_cc_wtrampolines=yes],
[grub_cv_cc_wtrampolines=no])
- CFLAGS="$SAVED_CFLAGS"
])
if test x"$grub_cv_cc_wtrampolines" = xyes ; then
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
AC_ARG_ENABLE([grub-mkfont],
starfield_excuse=
-if test x"$enable_build_grub_mkfont" = xno ; then
+AC_ARG_ENABLE([grub-themes],
+ [AS_HELP_STRING([--enable-grub-themes],
+ [build and install GRUB themes (default=guessed)])])
+if test x"$enable_grub_themes" = xno ; then
+ starfield_excuse="explicitly disabled"
+fi
+
+if test x"$starfield_excuse" = x && test x"$enable_build_grub_mkfont" = xno ; then
starfield_excuse="No build-time grub-mkfont"
fi
fi
fi
+if test x"$enable_grub_themes" = xyes && test x"$starfield_excuse" != x; then
+ AC_MSG_ERROR([themes were explicitly requested but requirements are not satisfied])
+fi
+
AC_SUBST([DJVU_FONT_SOURCE])
FONT_SOURCE=
AC_SUBST([LIBGEOM])
+AC_ARG_ENABLE([liblzma],
+ [AS_HELP_STRING([--enable-liblzma],
+ [enable liblzma integration (default=guessed)])])
+if test x"$enable_liblzma" = xno ; then
+ liblzma_excuse="explicitly disabled"
+fi
+
+if test x"$liblzma_excuse" = x ; then
AC_CHECK_LIB([lzma], [lzma_code],
- [LIBLZMA="-llzma"
- AC_DEFINE([HAVE_LIBLZMA], [1],
- [Define to 1 if you have the LZMA library.])],)
+ [],[liblzma_excuse="need lzma library"])
+fi
+if test x"$liblzma_excuse" = x ; then
+AC_CHECK_HEADER([lzma.h], [], [liblzma_excuse="need lzma header"])
+fi
+
+if test x"$enable_liblzma" = xyes && test x"$liblzma_excuse" != x ; then
+ AC_MSG_ERROR([liblzma support was explicitly requested but requirements are not satisfied])
+fi
+
+
+if test x"$liblzma_excuse" = x ; then
+ LIBLZMA="-llzma"
+ AC_DEFINE([USE_LIBLZMA], [1],
+ [Define to 1 if you have the LZMA library.])
+fi
+
AC_SUBST([LIBLZMA])
AC_ARG_ENABLE([libzfs],
fi
if test x"$libzfs_excuse" = x ; then
- AC_CHECK_LIB([nvpair], [nvlist_print],
+ AC_CHECK_LIB([nvpair], [nvlist_lookup_string],
[],
[libzfs_excuse="need nvpair library"])
fi
AC_SUBST([FONT_SOURCE])
AS_IF([test x$target_cpu = xi386 -a x$platform = xqemu],
[AC_SUBST([GRUB_BOOT_MACHINE_LINK_ADDR], 0xffe00)])
-AS_IF([test x$TARGET_APPLE_CC = x1],
- [AC_SUBST([USE_APPLE_CC_FIXES], yes)])
AC_SUBST(HAVE_ASM_USCORE)
AC_SUBST(ADDR32)
AC_SUBST(VERSION)
AC_SUBST(NEED_REGISTER_FRAME_INFO)
+AC_ARG_ENABLE([werror],
+ [AS_HELP_STRING([--disable-werror],
+ [do not use -Werror when building GRUB])])
+if test x"$enable_werror" != xno ; then
+ TARGET_CFLAGS="$TARGET_CFLAGS -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
+
+GRUB_TARGET_CPU="${target_cpu}"
+GRUB_PLATFORM="${platform}"
+
+AC_SUBST(GRUB_TARGET_CPU)
+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_CFLAGS)
+AC_SUBST(TARGET_LDFLAGS)
+AC_SUBST(TARGET_CPPFLAGS)
+AC_SUBST(TARGET_CCASFLAGS)
+
+AC_SUBST(TARGET_IMG_LDSCRIPT)
+AC_SUBST(TARGET_IMG_LDFLAGS)
+AC_SUBST(TARGET_IMG_CFLAGS)
+AC_SUBST(TARGET_IMG_BASE_LDOPT)
+AC_SUBST(TARGET_APPLE_LINKER)
+
+AC_SUBST(HOST_CFLAGS)
+AC_SUBST(HOST_LDFLAGS)
+AC_SUBST(HOST_CPPFLAGS)
+AC_SUBST(HOST_CCASFLAGS)
+
+AC_SUBST(BUILD_LIBM)
+
#
# Automake conditionals
#
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_i386_coreboot], [test x$target_cpu = xi386 -a x$platform = xcoreboot])
AM_CONDITIONAL([COND_i386_multiboot], [test x$target_cpu = xi386 -a x$platform = xmultiboot])
AM_CONDITIONAL([COND_x86_64_efi], [test x$target_cpu = xx86_64 -a x$platform = xefi])
+AM_CONDITIONAL([COND_i386_xen], [test x$target_cpu = xi386 -a x$platform = xxen])
+AM_CONDITIONAL([COND_x86_64_xen], [test x$target_cpu = xx86_64 -a x$platform = xxen])
AM_CONDITIONAL([COND_mips_loongson], [test x$target_cpu = xmipsel -a x$platform = xloongson])
AM_CONDITIONAL([COND_mips_qemu_mips], [test "(" x$target_cpu = xmips -o x$target_cpu = xmipsel ")" -a x$platform = xqemu_mips])
AM_CONDITIONAL([COND_mips_arc], [test "(" x$target_cpu = xmips -o x$target_cpu = xmipsel ")" -a x$platform = xarc])
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$enable_grub_mkfont = xyes])
-AM_CONDITIONAL([COND_BUILD_GRUB_MKFONT], [test x$enable_build_grub_mkfont = xyes])
AM_CONDITIONAL([COND_GRUB_MOUNT], [test x$enable_grub_mount = xyes])
AM_CONDITIONAL([COND_HAVE_FONT_SOURCE], [test x$FONT_SOURCE != x])
-AM_CONDITIONAL([COND_GRUB_PE2ELF], [test x$TARGET_OBJ2ELF != x])
-AM_CONDITIONAL([COND_APPLE_CC], [test x$TARGET_APPLE_CC = x1])
+AM_CONDITIONAL([COND_APPLE_LINKER], [test x$TARGET_APPLE_LINKER = x1])
AM_CONDITIONAL([COND_ENABLE_EFIEMU], [test x$enable_efiemu = xyes])
AM_CONDITIONAL([COND_ENABLE_CACHE_STATS], [test x$DISK_CACHE_STATS = x1])
AM_CONDITIONAL([COND_ENABLE_BOOT_TIME_STATS], [test x$BOOT_TIME_STATS = x1])
AM_CONDITIONAL([COND_HAVE_ASM_USCORE], [test x$HAVE_ASM_USCORE = x1])
AM_CONDITIONAL([COND_CYGWIN], [test x$target_os = xcygwin])
AM_CONDITIONAL([COND_STARFIELD], [test "x$starfield_excuse" = x])
+AM_CONDITIONAL([COND_HAVE_EXEC], [test "x$have_exec" = xy])
+
+test "x$prefix" = xNONE && prefix="$ac_default_prefix"
+test "x$exec_prefix" = xNONE && exec_prefix="${prefix}"
+datarootdir="$(eval echo "$datarootdir")"
+grub_libdir="$(eval echo "$libdir")"
+grub_localedir="$(eval echo "$localedir")"
+grub_datadir="$(eval echo "$datadir")"
+grub_sysconfdir="$(eval echo "$sysconfdir")"
+AC_DEFINE_UNQUOTED(LOCALEDIR, "$grub_localedir", [Locale dir])
+AC_DEFINE_UNQUOTED(GRUB_LIBDIR, "$grub_libdir", [Library dir])
+AC_DEFINE_UNQUOTED(GRUB_DATADIR, "$grub_datadir", [Data dir])
+AC_DEFINE_UNQUOTED(GRUB_SYSCONFDIR, "$grub_sysconfdir", [Configuration dir])
+
# Output files.
cpudir="${target_cpu}"
echo Build-time grub-mkfont: No "($grub_build_mkfont_excuse)"
echo "Without unifont (no build-time grub-mkfont)"
fi
-if test "x$LIBLZMA" = x ; then
-echo "Without liblzma (no support for XZ-compressed mips images)"
+if test x"$liblzma_excuse" != x ; then
+echo "Without liblzma (no support for XZ-compressed mips images) ($liblzma_excuse)"
else
echo "With liblzma from $LIBLZMA (support for XZ-compressed mips images)"
fi
projects / grub2.git / blobdiff