Apple's CC generates a Mach-O file but grub2 modules need to be ELF.
Use objconv (available under GPL from http://www.agner.org/optimize/)
to convert. The adjustments needed for objconv have already been
incorporated to upstream
--
Regards
Vladimir 'phcoder' Serbinenko
diff --git a/conf/i386-pc.rmk b/conf/i386-pc.rmk
index 8385767..f75117b 100644
--- a/conf/i386-pc.rmk
+++ b/conf/i386-pc.rmk
@@ -397,16 +397,44 @@ hdparm_mod_LDFLAGS = $(COMMON_LDFLAGS)
ifeq ($(enable_efiemu), yes)
-efiemu32.o: efiemu/runtime/efiemu.c
- $(CC) -c -m32 -DELF32 -o $@ -Wall -Werror $< -nostdlib -O2 -I$(srcdir)/efiemu/runtime -I$(srcdir)/include -Iinclude
+efiemu32.o: efiemu/runtime/efiemu.c $(TARGET_OBJ2ELF)
+ -rm -f $@
+ifeq ($(TARGET_APPLE_CC), 1)
+ -rm -f $...@.bin
+ $(TARGET_CC) -c -m32 -DELF32 -DAPPLE_CC -o $...@.bin -Wall -Werror $< -nostdlib -O2 -I$(srcdir)/efiemu/runtime -I$(srcdir)/include -Iinclude
+ $(OBJCONV) -felf32 -nu -nd $...@.bin $@
+ -rm -f $...@.bin
+else
+ $(TARGET_CC) -c -m32 -DELF32 -o $@ -Wall -Werror $< -nostdlib -O2 -I$(srcdir)/efiemu/runtime -I$(srcdir)/include -Iinclude
+ if test ! -z $(TARGET_OBJ2ELF); then ./$(TARGET_OBJ2ELF) $@ || (rm -f $@; exit 1); fi
+endif
+
efiemu64_c.o: efiemu/runtime/efiemu.c
- $(CC) -c -m64 -DELF64 -o $@ -Wall -Werror $< -nostdlib -mcmodel=large -mno-red-zone -O2 -I$(srcdir)/efiemu/runtime -I$(srcdir)/include -Iinclude
+ifeq ($(TARGET_APPLE_CC), 1)
+ $(TARGET_CC) $(EFIEMU_CFLAGS) -c -m64 -DAPPLE_CC=1 -DELF64 -o $@ -Wall -Werror $< -nostdlib -O2 -I$(srcdir)/efiemu/runtime -I$(srcdir)/include -Iinclude
+else
+ $(TARGET_CC) $(EFIEMU_CFLAGS) -c -m64 -DELF64 -o $@ -Wall -Werror $< -nostdlib -mcmodel=large -mno-red-zone -O2 -I$(srcdir)/efiemu/runtime -I$(srcdir)/include -Iinclude
+endif
efiemu64_s.o: efiemu/runtime/efiemu.S
- $(CC) -c -m64 -DELF64 -o $@ -Wall -Werror $< -nostdlib -mcmodel=large -mno-red-zone -O2 -I$(srcdir)/efiemu/runtime -I$(srcdir)/include -Iinclude
+ -rm -f $@
+ifeq ($(TARGET_APPLE_CC), 1)
+ $(TARGET_CC) $(EFIEMU_CFLAGS) -c -m64 -DAPPLE_CC=1 -DELF64 -o $@ -Wall -Werror $< -nostdlib -O2 -I$(srcdir)/efiemu/runtime -I$(srcdir)/include -Iinclude
+else
+ $(TARGET_CC) -c -m64 -DELF64 -o $@ -Wall -Werror $< -nostdlib -mcmodel=large -mno-red-zone -O2 -I$(srcdir)/efiemu/runtime -I$(srcdir)/include -Iinclude
+endif
-efiemu64.o: efiemu64_c.o efiemu64_s.o
- ld -melf_x86_64 -o $@ -r $^ -nostdlib
+efiemu64.o: efiemu64_c.o efiemu64_s.o $(TARGET_OBJ2ELF)
+ -rm -f $@
+ifeq ($(TARGET_APPLE_CC), 1)
+ -rm -f $...@.bin
+ $(TARGET_CC) -m64 -o $...@.bin -Wl,-r $^ -nostdlib
+ $(OBJCONV) -felf64 -nu -nd $...@.bin $@
+ -rm -f $...@.bin
+else
+ $(TARGET_CC) -m64 -o $@ -Wl,-r $^ -nostdlib
+ if test ! -z $(TARGET_OBJ2ELF); then ./$(TARGET_OBJ2ELF) $@ || (rm -f $@; exit 1); fi
+endif
CLEANFILES += efiemu32.o efiemu64.o efiemu64_c.o efiemu64_s.o
pkglib_DATA += efiemu32.o efiemu64.o
diff --git a/configure.ac b/configure.ac
index bd89e4e..e448c2f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -287,6 +287,13 @@ if test x$grub_cv_apple_target_cc == xyes ; then
CFLAGS="$CFLAGS -DAPPLE_CC=1 -fnested-functions"
TARGET_ASFLAGS="$TARGET_ASFLAGS -DAPPLE_CC=1"
TARGET_APPLE_CC=1
+ AC_CHECK_PROG([OBJCONV], [objconv], [objconv], [])
+ if test "x$OBJCONV" = x ; then
+ AC_CHECK_PROG([OBJCONV], [objconv], [./objconv], [], [.])
+ fi
+ if test "x$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 -Wl,-image_base,'
@@ -390,6 +397,7 @@ fi
AC_SUBST(TARGET_CFLAGS)
AC_SUBST(TARGET_MODULE_FORMAT)
+AC_SUBST(OBJCONV)
AC_SUBST(TARGET_APPLE_CC)
AC_SUBST(TARGET_ASFLAGS)
AC_SUBST(TARGET_CPPFLAGS)
diff --git a/genmk.rb b/genmk.rb
index cfe120a..249dcb5 100644
--- a/genmk.rb
+++ b/genmk.rb
@@ -112,11 +112,20 @@ endif
MOSTLYCLEANFILES += #{deps_str}
UNDSYMFILES += #{undsym}
+ifneq ($(TARGET_APPLE_CC),1)
#...@name}: #{pre_obj} #{mod_obj} $(TARGET_OBJ2ELF)
-rm -f $@
$(TARGET_CC) $(#{prefix}_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ #{pre_obj} #{mod_obj}
if test ! -z $(TARGET_OBJ2ELF); then ./$(TARGET_OBJ2ELF) $@ || (rm -f $@; exit 1); fi
$(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -K _grub_mod_init -K _grub_mod_fini -R .note -R .comment $@
+else
+...@name}: #{pre_obj} #{mod_obj} $(TARGET_OBJ2ELF)
+ -rm -f $@
+ -rm -f $...@.bin
+ $(TARGET_CC) $(#{prefix}_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $...@.bin #{pre_obj} #{mod_obj}
+ $(OBJCONV) -f$(TARGET_MODULE_FORMAT) -nr:_grub_mod_init:grub_mod_init -nr:_grub_mod_fini:grub_mod_fini -wd1106 -nu -nd $...@.bin $@
+ -rm -f $...@.bin
+endif
#{pre_obj}: $(#{prefix}_DEPENDENCIES) #{objs_str}
-rm -f $@
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