* configure.ac: By default, GCC 4.4 generates .eh_frame sections
containing unwind information in some cases where it previously did
not. Use -fno-dwarf2-cfi-asm if available to restore the old
behaviour. See http://patchwork.kernel.org/patch/8555/ for related
discussion.
* aclocal.m4: Add grub_CHECK_PIE. It check if the compiler
include -fPIE in the default specs.
* configure.ac: Check if pie_possible is yes and add -fno-PIE
to TARGET_CFLAGS.
Fix build with Apple's toolchain. Part 1
* commands/i386/pc/drivemap_int13h.S: use assembly-time constants
for long calls
* configure.ac: remove a leftover AC_MSG_RESULT
(CFLAGS): don't add -Wl,--defsym,___main=0x8100 when building with
Apple's toolchain
* configure.ac: Remove checks for __bswapsi2 and __bswapdi2,
they fail without libc headers for the target.
* include/grub/powerpc/libgcc.h: Use weak attribute for all
exports.
* include/grub/sparc64/libgcc.h: Likewise. Don't use
preprocessor conditionals.
Use objconv when compiling with Apple's CC
* conf/i386-pc.rmk (efiemu32.o): use OBJCONV if defined
(efiemu64.o): likewise
(efiemu64_c.o): omit -mcmodel=large and add -DAPPLE_CC=1
when compiling with Apple's CC
(efiemu64_s.o): likewise
* configure.ac: check for objconv when compiling with Apple's CC
* genmk.rb: use objconv for modules when compiled with Apple's CC
Allow a compilation without -mcmodel=large
* kern/efi/mm.c (grub_efi_allocate_pages): don't allocate >4GiB
when compiled without -mcmodel=large
(filter_memory_map): remove memory post 4 GiB when compiled
without -mcmodel=large
* configure.ac: fail gracefully and add -DMCMODEL_SMALL=1 to
TARGET_CFLAGS when -mcmodel=large isn't supported
Check if compiler is apple cc
* Makefile.in (ASFLAGS): new variable
(TARGET_ASFLAGS): likewise
(TARGET_MODULE_FORMAT): likewise
(TARGET_APPLE_CC): likewise
(OBJCONV): likewise
(TARGET_IMG_CFLAGS): likewise
(TARGET_CPPFLAGS): add includedir
* configure.ac: call grub_apple_cc and grub_apple_target_cc
(TARGET_IMG_LDFLAGS): Add -Wl,-Ttext,. All users updated
Check for linker script only if compiler isn't Apple's CC
(TARGET_MODULE_FORMAT): set
(TARGET_APPLE_CC): likewise
(TARGET_ASFLAGS): likewise
(ASFLAGS): likewise
Check for objcopy only if compiler isn't Apple's CC
Check for BSS symbol only if compiler isn't Apple's CC
* genmk.rb: adapt nm options if we use Apple's utils
* aclocal.m4 (grub_apple_cc): new test
(grub_apple_target_cc): likewise
* aclocal.m4 (grub_I386_CHECK_REGPARM_BUG): Remove.
* configure.ac: Don't call grub_I386_CHECK_REGPARM_BUG. Define
NESTED_FUNC_ATTR using AH_BOTTOM. Use regparm(1) only when
compiling for the i386 targets, but not for the utilities.
* Makefile.in (enable_efiemu): New variable.
* conf/i386-pc.rmk: Only compile efiemu runtimes when enable_efiemu is
set.
(efiemu32.o): Use macro $< for source file, add $(srcdir) to include
path.
(efi64_c.o): Use macro $< for source file, add $(srcdir) to include
path, add -mno-red-zone option.
(efiemu64_s.o): Likewise.
(efiemu64.o): Use macro $^ for source file.
* configure.ac (--enable-efiemu): New option.
* configure.ac: Change the logic when we check for target tools.
Do it when the target is specified and it's different from the
specified value of the host.
* util/hostdisk.c (read_device_map): Use grub_util_get_disk_size
instead of stat in mingw environment.
* util/misc.c (grub_millisleep): Use Sleep in mingw environment.
* aclocal.m4 (grub_CHECK_LINK_DIR): New function.
* configure.ac: Use grub_CHECK_LINK_DIR to determine whether to use
AC_CONFIG_LINKS.
Filter /etc/grub.d/10_* so that only add-ons for native kernels are
installed.
* Makefile.in (host_kernel): New variable.
* conf/common.rmk (grub-mkconfig_SCRIPTS): Conditionalize all 10_*.in
scripts instead of just the windows one.
* configure.ac: Initialize and AC_SUBST `host_kernel'.
* configure.ac: Only test -mcmodel=large option in x86_64-efi, also add
another option -mno-red-zone.
* commands/handler.c: Change module description.
* kern/handler.c: Add missing space at the end of description line.
* kern/list.c: Likewise.
* configure.ac: Change host_os to cygwin for mingw.
(asprintf): New check for function.
* include/grub/symbol.h: Replace #ifndef __CYGWIN__ with
#if ! defined (__CYGWIN__) && ! defined (__MINGW32__).
* include/grub/util/misc.h: #include <config.h> and <grub/types.h>,
declear asprintf if HAVE_ASPRINTF is not set, declear fseeko, ftello,
sync, sleep and grub_util_get_disk_size for mingw.
* util/biosdisk.c (grub_util_biosdisk_open): Use grub_util_get_disk_size
to get size in mingw.
(open_device): Use flag O_BINARY if it's defined.
(find_root_device): Add dummy code for mingw.
* util/grub-mkdevicemap.c (get_floppy_disk_name): Return 0 for mingw.
(get_ide_disk_name): Return //./PHYSICALDRIVE%d for mingw.
(get_scsi_disk_name): Return 0 for mingw.
* util/hostfs.c: #include <grub/util/misc.h>.
(grub_hostfs_open): Use "rb" flag to open file, use
grub_util_get_disk_size to get disk size for mingw.
* util/misc.c: #include <windows.h> and <winioctl.h> in mingw.
(asprintf): New function if HAVE_ASPRINTF is not set.
(sync): New function for mingw.
(sleep): Likewise.
(grub_util_get_disk_size): Likewise.
* Makefile.in: Add `target_os' and `enable_grub_pe2elf'.
* conf/common.rmk: Install `grub-pe2elf' only if requested.
Install `grub.d/10_windows' only on Cygwin.
* configure.ac: Add subst of `target_os'.
Check `target_os' also before setting TARGET_OBJ2ELF.
Add `--enable-grub-pe2elf'.
* common.rmk (bin_UTILITIES): Add grub-pe2elf.
(grub_pe2elf_SOURCES): New macro.
(CLEANFILES): Add grub-pe2elf.
* include/grub/efi/pe32.h (GRUB_PE32_SCN_ALIGN_1BYTES): New constant.
(GRUB_PE32_SCN_ALIGN_2BYTES): Likewise.
(GRUB_PE32_SCN_ALIGN_4BYTES): Likewise.
(GRUB_PE32_SCN_ALIGN_8BYTES): Likewise.
(GRUB_PE32_SCN_ALIGN_16BYTES): Likewise.
(GRUB_PE32_SCN_ALIGN_32BYTES): Likewise.
(GRUB_PE32_SCN_ALIGN_64BYTES): Likewise.
(GRUB_PE32_SCN_ALIGN_SHIFT): Likewise.
(GRUB_PE32_SCN_ALIGN_MASK): Likewise.
(GRUB_PE32_SYM_CLASS_EXTERNAL): Likewise.
(GRUB_PE32_SYM_CLASS_STATIC): Likewise.
(GRUB_PE32_SYM_CLASS_FILE): Likewise.
(GRUB_PE32_DT_FUNCTION): Likewise.
(GRUB_PE32_REL_I386_DIR32): Likewise.
(GRUB_PE32_REL_I386_REL32): Likewise.
(grub_pe32_symbol): New structure.
(grub_pe32_reloc): Likewise.
* util/grub-pe2elf.c: New file.
* configure.ac: Set TARGET_OBJ2ELF if host os is cygwin. Don't test for
start symbol in non pc platform.
* genmk.rb: Use TARGET_OBJ2ELF to convert native object format to elf.
The following patches are from Christian Franke.
* include/grub/dl.h: Remove .previous, gas supports this only
for ELF format.
* include/grub/symbol.h [__CYGWIN__] (#define FUNCTION/VARIABLE):
Remove .type, gas supports this only for ELF format.
* kern/dl.c (grub_dl_resolve_dependencies): Add check for trailing
nullbytes in symbol table. This fixes an infinite loop if table is
zero filled.
* Makefile.in: Add autoconf replacements TARGET_IMG_LDSCRIPT,
TARGET_IMG_LDFLAGS and EXEEXT.
* aclocal.m4 (grub_PROG_OBJCOPY_ABSOLUTE): Replace -Wl,-N by
TARGET_IMG_LDFLAGS_AC.
(grub_CHECK_STACK_ARG_PROBE): New function.
* conf/i386-pc.rmk: Replace -Wl,-N by TARGET_IMG_LDFLAGS.
* conf/i386-pc-cygwin-ld-img.sc: New linker script.
* configure.ac: Add check for linker script "conf/${target}-img-ld.c"
to set TARGET_IMG_LD* accordingly.
Add check for Cygwin to set TARGET_MOD_OBJCOPY accordingly.
Add call to grub_CHECK_STACK_ARG_PROBE.
Use TARGET_IMG_LDFLAGS to check start, bss_start, end symbols.
* genkernsyms.sh.in: Handle HAVE_ASM_USCORE case.
* genmk.rb: Add EXEEXT to CLEANFILES.
* aclocal.m4 (grub_PROG_TARGET_CC): New macro. Check if the
target compiler is functional.
* configure.ac: Call grub_PROG_TARGET_CC once all target flags
are set up.
