3 files changed, 7 insertions, 1 deletions
diff --git a/sysdeps/i386/Makefile b/sysdeps/i386/Makefile
index ece94f3610..24d09c70e1 100644
--- a/sysdeps/i386/Makefile
+++ b/sysdeps/i386/Makefile
@@ -8,7 +8,7 @@ long-double-fcts = yes
 ifeq ($(subdir),csu)
 # On i686 we must avoid generating the trampoline functions generated
 # to get the GOT pointer.
-CFLAGS-initfini.s += -march=i386 -mcpu=i386
+CFLAGS-initfini.s += -march=i386 $(cc-mtune)=i386
 endif
 
 ifeq ($(subdir),gmon)
diff --git a/sysdeps/i386/configure b/sysdeps/i386/configure
index d1d4dc15a7..ecba16645b 100755
--- a/sysdeps/i386/configure
+++ b/sysdeps/i386/configure
@@ -52,3 +52,6 @@ if test $libc_cv_cpp_asm_debuginfo = yes; then
 _ACEOF
 
 fi
+
+# Tell top-level configure to try -mtune=i386.
+libc_mtune_example=i386
diff --git a/sysdeps/i386/configure.in b/sysdeps/i386/configure.in
index 028e1ae8e1..93b62b671c 100644
--- a/sysdeps/i386/configure.in
+++ b/sysdeps/i386/configure.in
@@ -33,3 +33,6 @@ rm -f conftest*])AC_SUBST(libc_cv_cpp_asm_debuginfo)
 if test $libc_cv_cpp_asm_debuginfo = yes; then
   AC_DEFINE(HAVE_CPP_ASM_DEBUGINFO)
 fi
+
+# Tell top-level configure to try -mtune=i386.
+libc_mtune_example=i386