diff options
Diffstat (limited to 'gcc/configure.ac')
| -rw-r--r-- | gcc/configure.ac | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/configure.ac b/gcc/configure.ac index d7597d28341..79de6cd7964 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -4041,6 +4041,14 @@ changequote([,])dnl all_compilers="$all_compilers $compilers" all_outputs="$all_outputs $outputs" all_gtfiles="$all_gtfiles [[$subdir]] $gtfiles" + case ",$enable_languages," in + *,lto,*) + AC_DEFINE(ENABLE_LTO, 1, [Define to enable LTO support.]) + enable_lto=yes + AC_SUBST(enable_lto) + ;; + *) ;; + esac done # Pick up gtfiles for c @@ -4213,6 +4221,12 @@ if test "x${CLOOGLIBS}" != "x" ; then AC_DEFINE(HAVE_cloog, 1, [Define if cloog is in use.]) fi +AC_ARG_VAR(LIBELFLIBS,[How to link libelf]) +AC_ARG_VAR(LIBELFINC,[How to find libelf include files]) +if test "x${LIBELFLIBS}" != "x" ; then + AC_DEFINE(HAVE_libelf, 1, [Define if libelf is in use.]) +fi + # Check for plugin support AC_ARG_ENABLE(plugin, [ --enable-plugin enable plugin support], |