diff options
| author | Stefan Reinauer <stepan@coresystems.de> | 2010-03-16 01:02:18 +0000 |
|---|---|---|
| committer | Stefan Reinauer <stepan@openbios.org> | 2010-03-16 01:02:18 +0000 |
| commit | 68a564f7ac3975de5ce6e6d0f65db63bbe7d2d64 (patch) | |
| tree | 2b50aae3a182468ac3993800fd025b53b01eb146 /src/include/console | |
| parent | c6b0e7e2d926f00ebec402f1364c31518c33a051 (diff) | |
| download | coreboot-68a564f7ac3975de5ce6e6d0f65db63bbe7d2d64.tar.xz | |
This patch is what I needed to compile coreboot with LLVM.
- call va_* directly if coreboot is running on GCC so we don't need
to maintain hacks to get to stdarg.h
- only define LIBGCC_FILE_NAME if it's an absolute path. GCC and LLVM
just print "libgcc.a" if the file is not there.
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5215 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/include/console')
| -rw-r--r-- | src/include/console/vtxprintf.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/include/console/vtxprintf.h b/src/include/console/vtxprintf.h index c949c12115..f7d58bbd6a 100644 --- a/src/include/console/vtxprintf.h +++ b/src/include/console/vtxprintf.h @@ -20,7 +20,19 @@ #ifndef __CONSOLE_VTXPRINTF_H #define __CONSOLE_VTXPRINTF_H +/* With GCC we use -nostdinc -ffreestanding to keep out system includes. + * Unfortunately this also gets us rid of the _compiler_ includes, like + * stdarg.h. To work around the issue, we define varargs directly here. + * On LLVM we can still just include stdarg.h. + */ +#ifdef __GNUC__ +#define va_start(v,l) __builtin_va_start(v,l) +#define va_end(v) __builtin_va_end(v) +#define va_arg(v,l) __builtin_va_arg(v,l) +typedef __builtin_va_list va_list; +#else #include <stdarg.h> +#endif int vtxprintf(void (*tx_byte)(unsigned char byte), const char *fmt, va_list args); |