On Sat, May 30, 2009 at 4:45 PM, Vladimir 'phcoder' Serbinenko
<phco...@gmail.com> wrote:
> This patch checks if cc is Apple's version and enables additional
> command line arguments if it is
>
> --
> Regards
> Vladimir 'phcoder' Serbinenko
>
--
Regards
Vladimir 'phcoder' Serbinenko
diff --git a/Makefile.in b/Makefile.in
index e00f9c3..da2ec48 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -64,16 +64,22 @@ mkinstalldirs = $(srcdir)/mkinstalldirs
CC = @CC@
CFLAGS = @CFLAGS@
+ASFLAGS = @ASFLAGS@
LDFLAGS = @LDFLAGS@
CPPFLAGS = @CPPFLAGS@ -I$(builddir) -I$(builddir)/include -I$(srcdir)/include -Wall -W \
-DGRUB_LIBDIR=\"$(pkglibdir)\"
TARGET_CC = @TARGET_CC@
TARGET_CFLAGS = @TARGET_CFLAGS@
+TARGET_ASFLAGS = @TARGET_ASFLAGS@
+TARGET_MODULE_FORMAT = @TARGET_MODULE_FORMAT@
+TARGET_APPLE_CC = @TARGET_APPLE_CC@
+OBJCONV = @OBJCONV@
TARGET_CPPFLAGS = @TARGET_CPPFLAGS@ -I$(builddir) -I$(builddir)/include -I$(srcdir)/include \
-Wall -W
TARGET_LDFLAGS = @TARGET_LDFLAGS@
TARGET_IMG_LDSCRIPT = @TARGET_IMG_LDSCRIPT@
TARGET_IMG_LDFLAGS = @TARGET_IMG_LDFLAGS@
+TARGET_IMG_CFLAGS = @TARGET_IMG_CFLAGS@
TARGET_OBJ2ELF = @TARGET_OBJ2ELF@
EXEEXT = @EXEEXT@
OBJCOPY = @OBJCOPY@
@@ -186,8 +192,12 @@ build_env.mk: Makefile
(\
echo "TARGET_CC=$(TARGET_CC)" ; \
echo "TARGET_CFLAGS=$(TARGET_CFLAGS)" ; \
- echo "TARGET_CPPFLAGS=$(TARGET_CPPFLAGS) -I$(pkglibdir)" ; \
+ echo "TARGET_ASFLAGS=$(TARGET_ASFLAGS)" ; \
+ echo "TARGET_CPPFLAGS=$(TARGET_CPPFLAGS) -I$(pkglibdir) -I$(includedir)" ; \
echo "STRIP=$(STRIP)" ; \
+ echo "OBJCONV=$(OBJCONV)" ; \
+ echo "TARGET_MODULE_FORMAT=$(TARGET_MODULE_FORMAT)" ; \
+ echo "TARGET_APPLE_CC=$(TARGET_APPLE_CC)" ; \
echo "COMMON_ASFLAGS=$(COMMON_ASFLAGS)" ; \
echo "COMMON_CFLAGS=$(COMMON_CFLAGS)" ; \
echo "COMMON_LDFLAGS=$(COMMON_LDFLAGS)"\
diff --git a/aclocal.m4 b/aclocal.m4
index 38a9a4a..10e0ca5 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -156,6 +156,36 @@ rm -f conftest*])
AC_MSG_RESULT([$grub_cv_i386_asm_addr32])])
+dnl check if our compiler is apple cc
+dnl because it requires numerous workarounds
+AC_DEFUN(grub_apple_cc,
+[AC_REQUIRE([AC_PROG_CC])
+AC_MSG_CHECKING([whether our compiler is apple cc])
+AC_CACHE_VAL(grub_cv_apple_cc,
+[if $CC -v 2>&1 | grep "Apple Inc." > /dev/null; then
+ grub_cv_apple_cc=yes
+else
+ grub_cv_apple_cc=no
+fi
+])
+
+AC_MSG_RESULT([$grub_cv_apple_cc])])
+
+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
diff --git a/conf/i386-pc.rmk b/conf/i386-pc.rmk
index a72d2d2..8385767 100644
--- a/conf/i386-pc.rmk
+++ b/conf/i386-pc.rmk
@@ -16,31 +16,31 @@ pkglib_IMAGES = boot.img diskboot.img kernel.img pxeboot.img lnxboot.img \
# For boot.img.
boot_img_SOURCES = boot/i386/pc/boot.S
boot_img_ASFLAGS = $(COMMON_ASFLAGS)
-boot_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS) -Wl,-Ttext,7C00
+boot_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS)7C00
boot_img_FORMAT = binary
# For pxeboot.img
pxeboot_img_SOURCES = boot/i386/pc/pxeboot.S
pxeboot_img_ASFLAGS = $(COMMON_ASFLAGS)
-pxeboot_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS) -Wl,-Ttext,7C00
+pxeboot_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS)7C00
pxeboot_img_FORMAT = binary
# For diskboot.img.
diskboot_img_SOURCES = boot/i386/pc/diskboot.S
diskboot_img_ASFLAGS = $(COMMON_ASFLAGS)
-diskboot_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS) -Wl,-Ttext,8000
+diskboot_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS)8000
diskboot_img_FORMAT = binary
# For lnxboot.img.
lnxboot_img_SOURCES = boot/i386/pc/lnxboot.S
lnxboot_img_ASFLAGS = $(COMMON_ASFLAGS)
-lnxboot_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS) -Wl,-Ttext,6000
+lnxboot_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS)6000
lnxboot_img_FORMAT = binary
# For cdboot.img.
cdboot_img_SOURCES = boot/i386/pc/cdboot.S
cdboot_img_ASFLAGS = $(COMMON_ASFLAGS)
-cdboot_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS) -Wl,-Ttext,7C00
+cdboot_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS)7C00
cdboot_img_FORMAT = binary
# For kernel.img.
@@ -63,9 +63,9 @@ kernel_img_HEADERS = boot.h cache.h device.h disk.h dl.h elf.h elfload.h \
machine/biosdisk.h machine/boot.h machine/console.h machine/init.h \
machine/memory.h machine/loader.h machine/vga.h machine/vbe.h \
machine/kernel.h machine/pxe.h i386/pit.h list.h handler.h command.h
-kernel_img_CFLAGS = $(COMMON_CFLAGS)
+kernel_img_CFLAGS = $(COMMON_CFLAGS) $(TARGET_IMG_CFLAGS)
kernel_img_ASFLAGS = $(COMMON_ASFLAGS)
-kernel_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS) -Wl,-Ttext,$(GRUB_MEMORY_MACHINE_LINK_ADDR) $(COMMON_CFLAGS)
+kernel_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS)$(GRUB_MEMORY_MACHINE_LINK_ADDR) $(COMMON_CFLAGS)
kernel_img_FORMAT = binary
MOSTLYCLEANFILES += symlist.c kernel_syms.lst
diff --git a/configure.ac b/configure.ac
index 98cd841..6649cb9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -167,6 +167,11 @@ AC_C_BIGENDIAN
AC_CHECK_SIZEOF(void *)
AC_CHECK_SIZEOF(long)
+grub_apple_cc
+if test x$grub_cv_apple_cc == xyes ; then
+ CFLAGS="$CFLAGS -DAPPLE_CC=1 -fnested-functions"
+ ASFLAGS="$ASFLAGS -DAPPLE_CC=1"
+fi
if test "x$host_m32" = x1; then
# Force 32-bit mode.
CFLAGS="$CFLAGS -m32"
@@ -206,31 +211,6 @@ AC_CHECK_FUNCS(posix_memalign memalign asprintf)
# Check for target programs.
#
-
-# Use linker script if present, otherwise use builtin -N script.
-AC_MSG_CHECKING([for option to link raw image])
-if test -f "${srcdir}/conf/${target_cpu}-${platform}-${host_os}-img-ld.sc"; then
- TARGET_IMG_LDSCRIPT='$(top_srcdir)'"/conf/${target_cpu}-${platform}-${host_os}-img-ld.sc"
- TARGET_IMG_LDFLAGS="-Wl,-T${TARGET_IMG_LDSCRIPT}"
- TARGET_IMG_LDFLAGS_AC="-Wl,-T${srcdir}/conf/${target_cpu}-${platform}-${host_os}-img-ld.sc"
-else
- TARGET_IMG_LDSCRIPT=
- TARGET_IMG_LDFLAGS='-Wl,-N'
- TARGET_IMG_LDFLAGS_AC='-Wl,-N'
-fi
-AC_SUBST(TARGET_IMG_LDSCRIPT)
-AC_SUBST(TARGET_IMG_LDFLAGS)
-AC_MSG_RESULT([$TARGET_IMG_LDFLAGS_AC])
-
-# For platforms where ELF is not the default link format.
-AC_MSG_CHECKING([for command to convert module to ELF format])
-case "${host_os}" in
- cygwin) TARGET_OBJ2ELF='grub-pe2elf' ;;
- *) ;;
-esac
-AC_SUBST(TARGET_OBJ2ELF)
-AC_MSG_RESULT([$TARGET_OBJ2ELF])
-
# Find tools for the target.
if test "x$target_alias" != x && test "x$host_alias" != "x$target_alias"; then
tmp_ac_tool_prefix="$ac_tool_prefix"
@@ -287,7 +267,7 @@ if test "x$TARGET_CFLAGS" = x; then
# Force no alignment to save space on i386.
if test "x$target_cpu" = xi386; then
AC_CACHE_CHECK([whether -falign-loops works], [grub_cv_cc_falign_loop], [
- CFLAGS="-falign-loops=1"
+ CFLAGS="$CFLAGS -falign-loops=1"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
[grub_cv_cc_falign_loop=yes],
[grub_cv_cc_falign_loop=no])
@@ -301,16 +281,59 @@ if test "x$TARGET_CFLAGS" = x; then
fi
fi
+grub_apple_target_cc
+if test x$grub_cv_apple_target_cc == xyes ; then
+ TARGET_CFLAGS="$TARGET_CFLAGS -DAPPLE_CC=1 -fnested-functions"
+ CFLAGS="$CFLAGS -DAPPLE_CC=1 -fnested-functions"
+ TARGET_ASFLAGS="$TARGET_ASFLAGS -DAPPLE_CC=1"
+ TARGET_APPLE_CC=1
+ TARGET_IMG_LDSCRIPT=
+ TARGET_IMG_CFLAGS="-static"
+ TARGET_IMG_LDFLAGS='-nostdlib -static -Wl,-preload -Wl,-segalign,20 -Wl,-image_base,'
+ TARGET_IMG_LDFLAGS_AC='-nostdlib -static -Wl,-preload -Wl,-segalign,20 -Wl,-image_base,'
+else
+ TARGET_APPLE_CC=0
+# Use linker script if present, otherwise use builtin -N script.
+AC_MSG_CHECKING([for option to link raw image])
+if test -f "${srcdir}/conf/${target_cpu}-${platform}-${host_os}-img-ld.sc"; then
+ TARGET_IMG_LDSCRIPT='$(top_srcdir)'"/conf/${target_cpu}-${platform}-${host_os}-img-ld.sc"
+ TARGET_IMG_LDFLAGS="-Wl,-T${TARGET_IMG_LDSCRIPT} -Wl,-Ttext,"
+ TARGET_IMG_LDFLAGS_AC="-Wl,-T${srcdir}/conf/${target_cpu}-${platform}-${host_os}-img-ld.sc"
+else
+ TARGET_IMG_LDSCRIPT=
+ TARGET_IMG_LDFLAGS='-Wl,-N -Wl,-Ttext,'
+ TARGET_IMG_LDFLAGS_AC='-Wl,-N -Wl,-Ttext,'
+fi
+TARGET_IMG_CFLAGS=
+fi
+
+AC_SUBST(TARGET_IMG_LDSCRIPT)
+AC_SUBST(TARGET_IMG_LDFLAGS)
+AC_SUBST(TARGET_IMG_CFLAGS)
+AC_MSG_RESULT([$TARGET_IMG_LDFLAGS_AC])
+
+# For platforms where ELF is not the default link format.
+AC_MSG_CHECKING([for command to convert module to ELF format])
+case "${host_os}" in
+ cygwin) TARGET_OBJ2ELF='grub-pe2elf' ;;
+ *) ;;
+esac
+AC_SUBST(TARGET_OBJ2ELF)
+AC_MSG_RESULT([$TARGET_OBJ2ELF])
+
+
if test "x$target_m32" = x1; then
# Force 32-bit mode.
TARGET_CFLAGS="$TARGET_CFLAGS -m32"
TARGET_LDFLAGS="$TARGET_LDFLAGS -m32"
+ TARGET_MODULE_FORMAT="elf32"
fi
if test "x$target_m64" = x1; then
# Force 64-bit mode.
TARGET_CFLAGS="$TARGET_CFLAGS -m64"
TARGET_LDFLAGS="$TARGET_LDFLAGS -m64"
+ TARGET_MODULE_FORMAT="elf64"
fi
if test "$target_cpu"-"$platform" = x86_64-efi; then
@@ -361,6 +384,9 @@ if test x"$sap_possible" = xyes; then
fi
AC_SUBST(TARGET_CFLAGS)
+AC_SUBST(TARGET_MODULE_FORMAT)
+AC_SUBST(TARGET_APPLE_CC)
+AC_SUBST(TARGET_ASFLAGS)
AC_SUBST(TARGET_CPPFLAGS)
AC_SUBST(TARGET_LDFLAGS)
@@ -375,7 +401,9 @@ AC_CHECK_FUNCS(__bswapsi2 __bswapdi2)
# Defined in aclocal.m4.
grub_PROG_TARGET_CC
+if test "x$TARGET_APPLE_CC" != x1 ; then
grub_PROG_OBJCOPY_ABSOLUTE
+fi
grub_PROG_LD_BUILD_ID_NONE
grub_ASM_USCORE
if test "x$target_cpu" = xi386; then
@@ -383,7 +411,7 @@ if test "x$target_cpu" = xi386; then
# Check symbols provided by linker script.
CFLAGS="$TARGET_CFLAGS -nostdlib $TARGET_IMG_LDFLAGS_AC -Wl,-Ttext,8000,--defsym,___main=0x8100"
fi
- if test "x$platform" = xpc; then
+ if test "x$platform" = xpc && test "x$TARGET_APPLE_CC" != x1 ; then
grub_CHECK_BSS_START_SYMBOL
grub_CHECK_END_SYMBOL
fi
@@ -482,6 +510,7 @@ AC_ARG_ENABLE([efiemu],
[AS_HELP_STRING([--enable-efiemu],
[build and install the efiemu runtimes])])
AC_SUBST([enable_efiemu])
+AC_SUBST(ASFLAGS)
# Output files.
grub_CHECK_LINK_DIR
diff --git a/genmk.rb b/genmk.rb
index abdb8ca..cfe120a 100644
--- a/genmk.rb
+++ b/genmk.rb
@@ -129,8 +129,13 @@ UNDSYMFILES += #{undsym}
sh $(srcdir)/genmodsrc.sh '#{mod_name}' $< > $@ || (rm -f $@; exit 1)
ifneq ($(#{prefix}_EXPORTS),no)
+ifneq ($(TARGET_APPLE_CC),1)
#{defsym}: #{pre_obj}
$(NM) -g --defined-only -P -p $< | sed 's/^\\([^ ]*\\).*/\\1 #{mod_name}/' > $@
+else
+#{defsym}: #{pre_obj}
+ $(NM) -g -P -p $< | grep -E '^[a-zA-Z0-9_]* [TDS]' | sed 's/^\\([^ ]*\\).*/\\1 #{mod_name}/' > $@
+endif
endif
#{undsym}: #{pre_obj}
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