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* configure.ac: Probe for linking format rather than guessing it based

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on target_os.
This commit is contained in:
Vladimir Serbinenko 2013-11-14 23:17:18 +01:00
parent c7995256e4
commit a9f25a0819
7 changed files with 93 additions and 109 deletions
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5
ChangeLog
View file

@ -1,3 +1,8 @@
2013-11-14 Vladimir Serbinenko <phcoder@gmail.com>
* configure.ac: Probe for linking format rather than guessing it based
on target_os.
2013-11-14 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/disk/xen/xendisk.c (grub_xendisk_fini): Set state to

2
Makefile.util.def
View file

@ -250,7 +250,7 @@ program = {
name = grub-macho2img;
mansection = 1;
common = util/grub-macho2img.c;
condition = COND_APPLE_CC;
condition = COND_APPLE_LINKER;
};
program = {

16
acinclude.m4
View file

@ -247,22 +247,6 @@ rm -f conftest*])
AC_MSG_RESULT([$grub_cv_i386_asm_addr32])])
dnl check if our target compiler is apple cc
dnl because it requires numerous workarounds
AC_DEFUN([grub_apple_target_cc],
[AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING([whether our target compiler is apple cc])
AC_CACHE_VAL(grub_cv_apple_target_cc,
[if $CC -v 2>&1 | grep "Apple Inc." > /dev/null; then
grub_cv_apple_target_cc=yes
else
grub_cv_apple_target_cc=no
fi
])
AC_MSG_RESULT([$grub_cv_apple_target_cc])])
dnl Later versions of GAS requires that addr32 and data32 prefixes
dnl appear in the same lines as the instructions they modify, while
dnl earlier versions requires that they appear in separate lines.

161
configure.ac
View file

@ -597,52 +597,14 @@ 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$grub_cv_apple_target_cc = xyes ; then
TARGET_APPLE_CC=1
AC_CHECK_PROG([TARGET_OBJCONV], [objconv], [objconv], [])
if test "x$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([$TARGET_OBJ2ELF])
AC_ARG_ENABLE([efiemu],
@ -681,42 +643,75 @@ enable_efiemu=no
fi
AC_SUBST([enable_efiemu])
case "$target_os" in
cygwin)
;;
freebsd | kfreebsd*-gnu)
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
;;
openbsd*)
if test x"$target_cpu" = xi386; then
TARGET_LDFLAGS="$TARGET_LDFLAGS -Wl,-melf_i386_obsd"
fi
if test x"$target_cpu" = xx86_64; then
TARGET_LDFLAGS="$TARGET_LDFLAGS -Wl,-melf_x86_64_obsd"
fi
;;
haiku*)
if test x"$target_cpu" = xi386; then
TARGET_LDFLAGS="$TARGET_LDFLAGS -Wl,-melf_i386_haiku"
fi
if test x"$target_cpu" = xx86_64; then
TARGET_LDFLAGS="$TARGET_LDFLAGS -Wl,-melf_x86_64_haiku"
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
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"$grub_cv_target_cc_link_format" = x-mi386pe; then
TARGET_OBJ2ELF='./build-grub-pe2elf';
fi
fi
if test x$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
AC_SUBST(TARGET_LDFLAGS_OLDMAGIC)
LDFLAGS="$TARGET_LDFLAGS"
if test "$target_cpu" = x86_64; then
# Use large model to support 4G memory
@ -803,7 +798,7 @@ fi
# 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="$TARGET_CFLAGS -nostdlib -Wl,--defsym,___main=0x8100 -Wno-error"
@ -818,16 +813,18 @@ fi
LIBS="$TARGET_LIBGCC"
grub_ASM_USCORE
if test "x$TARGET_APPLE_LINKER" = x0 ; then
if test x$grub_cv_asm_uscore = xyes; then
CFLAGS="$TARGET_CFLAGS -Wl,--defsym,_abort=_main"
else
CFLAGS="$TARGET_CFLAGS -Wl,--defsym,abort=main"
fi
fi
# Check for libgcc symbols
AC_CHECK_FUNCS(__bswapsi2 __bswapdi2 __ashldi3 __ashrdi3 __lshrdi3 __ucmpdi2 _restgpr_14_x __ctzdi2 __ctzsi2)
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"
@ -836,12 +833,12 @@ LIBS=""
# 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} ${TARGET_IMG_BASE_LDOPT},0x8000 -Wl,--defsym,___main=0x8100"
@ -1349,8 +1346,6 @@ LIBS=""
AC_SUBST([FONT_SOURCE])
AS_IF([test x$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)
@ -1390,7 +1385,6 @@ AC_SUBST(TARGET_LDFLAGS_STATIC_LIBGCC)
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)
@ -1402,6 +1396,7 @@ 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)
@ -1453,7 +1448,7 @@ 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_GRUB_MOUNT], [test x$enable_grub_mount = xyes])
AM_CONDITIONAL([COND_HAVE_FONT_SOURCE], [test x$FONT_SOURCE != 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])

8
gentpl.py
View file

@ -425,13 +425,13 @@ def kernel(platform):
r += gvar_add("CLEANFILES", "[+ name +].img")
r += rule("[+ name +].img", "[+ name +].exec$(EXEEXT)",
if_platform_tagged(platform, "nostrip",
"""if test x$(USE_APPLE_CC_FIXES) = xyes; then \
"""if test x$(TARGET_APPLE_LINKER) = x1; then \
$(TARGET_OBJCONV) -f$(TARGET_MODULE_FORMAT) -nr:_grub_mod_init:grub_mod_init -nr:_grub_mod_fini:grub_mod_fini -ed2022 -wd1106 -nu -nd $< $@; \
elif test ! -z '$(TARGET_OBJ2ELF)'; then \
cp $< $@.bin; $(TARGET_OBJ2ELF) $@.bin && cp $@.bin $@ || (rm -f $@.bin; exit 1); \
else cp $< $@; fi""",
"""if test x$(USE_APPLE_CC_FIXES) = xyes; then \
$(TARGET_STRIP) $(""" + cname() + """) -o $@.bin $<; \
"""if test x$(TARGET_APPLE_LINKER) = x1; then \
$(TARGET_STRIP) -S -x $(""" + cname() + """) -o $@.bin $<; \
$(TARGET_OBJCONV) -f$(TARGET_MODULE_FORMAT) -nr:_grub_mod_init:grub_mod_init -nr:_grub_mod_fini:grub_mod_fini -ed2022 -wd1106 -nu -nd $@.bin $@; \
else """ + "$(TARGET_STRIP) $(" + cname() + "_STRIPFLAGS) -o $@ $<; \
fi"""))
@ -457,7 +457,7 @@ def image(platform):
r += gvar_add("platform_DATA", "[+ name +].img")
r += gvar_add("CLEANFILES", "[+ name +].img")
r += rule("[+ name +].img", "[+ name +].image$(EXEEXT)", """
if test x$(USE_APPLE_CC_FIXES) = xyes; then \
if test x$(TARGET_APPLE_LINKER) = x1; then \
$(MACHO2IMG) $< $@; \
else \
$(TARGET_OBJCOPY) $(""" + cname() + """_OBJCOPYFLAGS) --strip-unneeded -R .note -R .comment -R .note.gnu.build-id -R .reginfo -R .rel.dyn -R .note.gnu.gold-version $< $@; \

8
grub-core/Makefile.am
View file

@ -389,7 +389,7 @@ CLEANFILES += $(MOD_FILES)
if COND_ENABLE_EFIEMU
efiemu32.o: efiemu/runtime/efiemu.c $(TARGET_OBJ2ELF)
-rm -f $@; \
if test "x$(TARGET_APPLE_CC)" = x1; then \
if test "x$(TARGET_APPLE_LINKER)" = x1; then \
$(TARGET_CC) $(DEFS) $(INCLUDES) $(CPPFLAGS_EFIEMU) $(CPPFLAGS_DEFAULT) -m32 -Wall -Werror -nostdlib -O2 -c -o $@.bin $< || exit 1; \
$(OBJCONV) -felf32 -nu -nd $@.bin $@ || exit 1; \
rm -f $@.bin; \
@ -399,7 +399,7 @@ efiemu32.o: efiemu/runtime/efiemu.c $(TARGET_OBJ2ELF)
fi
efiemu64_c.o: efiemu/runtime/efiemu.c
if test "x$(TARGET_APPLE_CC)" = x1; then \
if test "x$(TARGET_APPLE_LINKER)" = x1; then \
$(TARGET_CC) $(DEFS) $(INCLUDES) $(CPPFLAGS_EFIEMU) $(CPPFLAGS_DEFAULT) -m64 -nostdlib -Wall -Werror -mno-red-zone -c -o $@ $< || exit 1; \
else \
$(TARGET_CC) $(DEFS) $(INCLUDES) $(CPPFLAGS_EFIEMU) $(CPPFLAGS_DEFAULT) -m64 -nostdlib -Wall -Werror -O2 -mcmodel=large -mno-red-zone -c -o $@ $< || exit 1; \
@ -407,7 +407,7 @@ efiemu64_c.o: efiemu/runtime/efiemu.c
efiemu64_s.o: efiemu/runtime/efiemu.S
-rm -f $@
if test "x$(TARGET_APPLE_CC)" = x1; then \
if test "x$(TARGET_APPLE_LINKER)" = x1; then \
$(TARGET_CC) $(DEFS) $(INCLUDES) $(CPPFLAGS_EFIEMU) $(CPPFLAGS_DEFAULT) -m64 -Wall -Werror -nostdlib -O2 -mno-red-zone -c -o $@ $< || exit 1; \
else \
$(TARGET_CC) $(DEFS) $(INCLUDES) $(CPPFLAGS_EFIEMU) $(CPPFLAGS_DEFAULT) -m64 -Wall -Werror -nostdlib -O2 -mcmodel=large -mno-red-zone -c -o $@ $< || exit 1; \
@ -415,7 +415,7 @@ efiemu64_s.o: efiemu/runtime/efiemu.S
efiemu64.o: efiemu64_c.o efiemu64_s.o $(TARGET_OBJ2ELEF)
-rm -f $@; \
if test "x$(TARGET_APPLE_CC)" = x1; then \
if test "x$(TARGET_APPLE_LINKER)" = x1; then \
rm -f $@.bin; \
$(TARGET_CC) -m64 -Wl,-r -nostdlib -o $@.bin $^ || exit 1; \
$(OBJCONV) -felf64 -nu -nd $@.bin $@ || exit 1; \

2
grub-core/genmod.sh.in
View file

@ -35,7 +35,7 @@ deps=`grep ^$modname: $moddep | sed s@^.*:@@`
# remove old files if any
rm -f $tmpfile $outfile
if test x@TARGET_APPLE_CC@ != x1; then
if test x@TARGET_APPLE_LINKER@ != x1; then
# stripout .modname and .moddeps sections from input module
@TARGET_OBJCOPY@ -R .modname -R .moddeps $infile $tmpfile