Hi,
a note regarding this fix:
2010-04-11 Vladimir Serbinenko <...>
Fix cygwin compilation.
* configure.ac: Define NEED_REGISTER_FRAME_INFO.
* include/grub/misc.h (__register_frame_info)
[NEED_REGISTER_FRAME_INFO && !UTIL]: New export.
(__deregister_frame_info) [NEED_REGISTER_FRAME_INFO && !UTIL]:
Likewise.
* kern/misc.c (__register_frame_info)
[NEED_REGISTER_FRAME_INFO && !UTIL]: New empty function.
(__deregister_frame_info) [NEED_REGISTER_FRAME_INFO && !UTIL]:
Likewise.
--- configure.ac 2010-04-11 14:14:51 +0000
+++ configure.ac 2010-04-12 14:58:44 +0000
@@ -376,7 +376,11 @@
# 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' ;;
+ cygwin) TARGET_OBJ2ELF='grub-pe2elf';
+# FIXME: put proper test here
+ AC_DEFINE([NEED_REGISTER_FRAME_INFO], 1,
+ [Define to 1 if GCC generates calls to __register_frame_info()])
+ ;;
*) ;;
The *_frame_info symbols are set undefined to force linkage of the
libgcc_s shared library or dll.
This can be prevented by TARGET_LDFLAGS=-static-libgcc. To build from
grub-1.98 tarball on Cygwin, run configure with this argument.
May also be necessary on other build platforms when -shared-libgcc is
the default. It may be possible simply set -static-libgcc unconditionally.
--
Regards,
Christian Franke
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