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authorUlrich Drepper <drepper@redhat.com>2009-08-02 10:38:44 -0700
committerUlrich Drepper <drepper@redhat.com>2009-08-02 10:38:44 -0700
commit5192104773c6d2f0bee47fe55872ad12b77034a5 (patch)
tree47a12100241da02a5e4b5fe15341a5a03a0a89e3 /sysdeps/i386/configure.in
parent9663bb3e2cdbf63a187386ba5e94a6c4705c4377 (diff)
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x86/x86-64 now needs <cpuid.h> from gcc.
Diffstat (limited to 'sysdeps/i386/configure.in')
-rw-r--r--sysdeps/i386/configure.in7
1 files changed, 7 insertions, 0 deletions
diff --git a/sysdeps/i386/configure.in b/sysdeps/i386/configure.in
index 44f53a57a0..800f928fbd 100644
--- a/sysdeps/i386/configure.in
+++ b/sysdeps/i386/configure.in
@@ -1,6 +1,13 @@
 GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
 # Local configure fragment for sysdeps/i386.
 
+AC_CACHE_CHECK([if gcc provides <cpuid.h>], libc_cv_gcc_cpuid, [dnl
+AC_COMPILE_IFELSE([#include <cpuid.h>], libc_cv_gcc_cpuid=yes,
+		  libc_cv_gcc_cpuid=no)])
+if test $libc_cv_gcc_cpuid != yes; then
+  AC_MSG_ERROR([gcc must provide the <cpuid.h> header])
+fi
+
 AC_CACHE_CHECK(if -g produces usable source locations for assembler-with-cpp,
 	       libc_cv_cpp_asm_debuginfo, [dnl
 cat > conftest.S <<EOF