f173a7750e
ACPICA commit d261d40ea168f8e4c4e3986de720b8651c4aba1c This patch adds sprintf()/snprintf()/vsnprintf()/printf()/vfprintf() support for OSPMs that have ACPI_USE_SYSTEM_CLIBRARY defined but do not have ACPI_USE_STANDARD_HEADERS defined. -iwithprefix include is required to include <stdarg.h> which contains compiler specific implementation of vargs when -nostdinc is specified. -fno-builtin is required for GCC to avoid optimization performed printf(). This optimization cannot be automatically disabled by specifying -nostdlib. Please refer to the first link below for the details. However, the build option changes do not affect Linux kernel builds and are not included. Lv Zheng. Link: http://www.ciselant.de/projects/gcc_printf/gcc_printf.html Link: https://github.com/acpica/acpica/commit/d261d40e Link: https://bugs.acpica.org/show_bug.cgi?id=1302 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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