Instead of checking for a particular version of GCC check for a cpuid.h with __cpuid_count. This allows cpuid.h to be provided for older/different compilers. Signed-off-by: Jonathan Gray <jsg@xxxxxxxxx> --- configure.ac | 18 ++++++++++++++++++ src/sna/sna_cpuid.h | 4 ++-- 2 files changed, 20 insertions(+), 2 deletions(-) diff --git a/configure.ac b/configure.ac index 4f1cff7..c24b369 100644 --- a/configure.ac +++ b/configure.ac @@ -208,6 +208,24 @@ fi PKG_CHECK_MODULES(X11, [x11 xrender xrandr xext xfixes cairo cairo-xlib-xrender pixman-1 libpng], [x11="yes"], [x11="no"]) AM_CONDITIONAL(HAVE_X11, test "x$x11" = "xyes") +cpuid="yes" +AC_TRY_LINK([ + #include <cpuid.h> + #include <stddef.h> + ], + [ + int eax, ebx, ecx, edx; + if (__get_cpuid_max(0, NULL) < 4) + return 0; + __cpuid_count(4, 0, eax, ebx, ecx, edx); + ], + [cpuid="yes"], + [cpuid="no"] +) +if test "x$cpuid" = "xyes"; then + AC_DEFINE(HAVE_CPUID_H,1,[Found a useable cpuid.h]) +fi + shm=yes AC_CHECK_HEADERS([sys/ipc.h sys/ipc.h], [], [shm="no"]) AC_CHECK_HEADERS([X11/extensions/XShm.h], [], [shm="no"], [ diff --git a/src/sna/sna_cpuid.h b/src/sna/sna_cpuid.h index ed28a0a..14af62b 100644 --- a/src/sna/sna_cpuid.h +++ b/src/sna/sna_cpuid.h @@ -30,9 +30,9 @@ #ifndef SNA_CPUID_H #define SNA_CPUID_H -#include "compiler.h" +#include "config.h" -#if HAS_GCC(4, 4) /* for __cpuid_count() */ +#ifdef HAVE_CPUID_H #include <cpuid.h> #else #define __get_cpuid_max(x, y) 0 -- 1.9.3 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
