configure: Implement --enable-host-pie

[thirdparty/gcc.git] / libiberty / configure.ac

diff --git a/libiberty/configure.ac b/libiberty/configure.ac
index b2cfef90489691df97fe58e1c7a0b66c0df37652..6747a7b5cffd389155eccddd4a8053be58f111f2 100644 (file)
--- a/libiberty/configure.ac
+++ b/libiberty/configure.ac
@@ -20,44 +20,6 @@ AC_ARG_WITH(cross-host,
 AC_ARG_WITH(newlib,
 [  --with-newlib                    Configuring with newlib])
 
-AC_ARG_WITH(sphinx-build,
-  [AS_HELP_STRING([--with-sphinx-build=],
-                  [Use sphinx-build from a given path])],
-  [CONFIGURE_SPHINX_BUILD=$withval],
-  [CONFIGURE_SPHINX_BUILD=]
-)
-AC_SUBST(CONFIGURE_SPHINX_BUILD)
-
-# See if sphinx-build has been installed and is modern enough
-# that we can use it.
-AC_MSG_CHECKING([for sphinx-build])
-sphinx=sphinx-build
-if test x${CONFIGURE_SPHINX_BUILD} != x ; then
-  sphinx=${CONFIGURE_SPHINX_BUILD}
-fi
-
-tempdir=build.$$
-source=source.$$
-mkdir $source
-grep 'needs_sphinx =' ${srcdir}/../doc/baseconf.py > $source/conf.py
-touch $source/index.rst
-if ${sphinx} $source $tempdir >/dev/null 2>&1; then
-  SPHINX_BUILD=${sphinx}
-  HAS_SPHINX_BUILD=has-sphinx-build
-  AC_MSG_RESULT(yes)
-else
-  AC_MSG_WARN([
-  *** sphinx-build is missing or too old.
-  *** Info and man pages documentation will not be built.])
-  AC_MSG_RESULT(no)
-  SPHINX_BUILD=
-  HAS_SPHINX_BUILD=
-fi
-rm -rf $tempdir
-rm -rf $source
-AC_SUBST(SPHINX_BUILD)
-AC_SUBST(HAS_SPHINX_BUILD)
-
 if test "${srcdir}" = "."; then
   if test -n "${with_build_subdir}"; then
     libiberty_topdir="${srcdir}/../.."
@@ -271,8 +233,8 @@ case "${enable_shared}" in
   *) shared=yes ;;
 esac
 
-# ...unless --enable-host-shared was passed from top-level config:
-if [[ "${enable_host_shared}" = "yes" ]]; then
+# ...unless --enable-host-{shared,pie} was passed from top-level config:
+if [[ "${enable_host_shared}" = "yes" ]] || [[ "${enable_host_pie}" = "yes" ]]; then
   shared=yes
 fi