Re: bug: cygwin support breaks cross compiles on cygwin

[Christian Franke]

Patrick Georgi wrote:
> Hi,
>
> I used cygwin to build grub2/i386-coreboot using an i386-elf cross 
> compiler. unfortunately the test in configure only looks for the host 
> platform and enables pe2elf in that case, even though my compiler 
> emits ELF already.
>
> my workaround is to just change that test (there's no OS cyg_win), but 
> of course that's no permanent solution.
> Bean proposed on IRC to look if the target compiler emits PE, and 
> enable pe2elf based on that.
Thanks for the info.

A simple fix is probably a test for target_os also, please try attached 
patch (and re-run autoconf).

Christian

diff --git a/configure.ac b/configure.ac
index 7a5938a..41e08f1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -206,9 +206,10 @@ 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])
-if test "$host_os" = cygwin; then
-  TARGET_OBJ2ELF='grub-pe2elf.exe'
-fi
+case "${host_os}:${target_os}" in
+  cygwin:cygwin) TARGET_OBJ2ELF='grub-pe2elf.exe' ;;
+  *) ;;
+esac
 AC_SUBST(TARGET_OBJ2ELF)
 AC_MSG_RESULT([$TARGET_OBJ2ELF])