Fix trailing space.

[thirdparty/glibc.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index def655ab8b804b8882117d48b35a0ba69853442a..7e9383a7f0b036ff7f558b1d436906245aa1941d 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -381,6 +381,12 @@ gnu*)
   ;;
 esac
 
+AC_ARG_ENABLE([mathvec],
+             [AS_HELP_STRING([--enable-mathvec],
+             [Enable building and installing mathvec @<:@default depends on architecture@:>@])],
+             [build_mathvec=$enableval],
+             [build_mathvec=notset])
+
 # We keep the original values in `$config_*' and never modify them, so we
 # can write them unchanged into config.make.  Everything else uses
 # $machine, $vendor, and $os, and changes them whenever convenient.
@@ -1994,6 +2000,11 @@ for dir in $sysnames; do
   fi
 done
 
+if test x"$build_mathvec" = xnotset; then
+  build_mathvec=no
+fi
+LIBC_CONFIG_VAR([build-mathvec], [$build_mathvec])
+
 AC_SUBST(libc_extra_cflags)
 AC_SUBST(libc_extra_cppflags)
 
@@ -2064,6 +2075,19 @@ fi
 rm -f conftest.*])
 AC_SUBST(libc_cv_pic_default)
 
+AC_CACHE_CHECK([whether -fPIE is default], libc_cv_pie_default,
+[libc_cv_pie_default=yes
+cat > conftest.c <<EOF
+#if defined __PIE__ || defined __pie__ || defined PIE || defined pie
+# error PIE is default.
+#endif
+EOF
+if eval "${CC-cc} -S conftest.c 2>&AS_MESSAGE_LOG_FD 1>&AS_MESSAGE_LOG_FD"; then
+  libc_cv_pie_default=no
+fi
+rm -f conftest.*])
+AC_SUBST(libc_cv_pie_default)
+
 AC_SUBST(profile)
 AC_SUBST(static_nss)