[Ada] Bump copyright year

[thirdparty/gcc.git] / lto-plugin / configure.ac

diff --git a/lto-plugin/configure.ac b/lto-plugin/configure.ac
index 67147db6817054a6232cad5af080e9054edca688..7e6f729e9dc4cf530ab1255100136708dea5ec95 100644 (file)
--- a/lto-plugin/configure.ac
+++ b/lto-plugin/configure.ac
@@ -1,26 +1,58 @@
-AC_PREREQ(2.64)
 AC_INIT([LTO plugin for ld], 0.1,,[lto-plugin])
 AC_CANONICAL_SYSTEM
 GCC_TOPLEV_SUBDIRS
 AM_INIT_AUTOMAKE([foreign no-dist])
 AM_MAINTAINER_MODE
+AC_ARG_WITH(libiberty,
+  [AS_HELP_STRING([--with-libiberty=PATH],
+    [specify the directory where to find libiberty [../libiberty]])],
+  [], with_libiberty=../libiberty)
+AC_SUBST(with_libiberty)
+AC_USE_SYSTEM_EXTENSIONS
 AC_PROG_CC
 AC_SYS_LARGEFILE
+ACX_PROG_CC_WARNING_OPTS([-Wall], [ac_lto_plugin_warn_cflags])
+
+# Check whether -static-libgcc is supported.
+saved_LDFLAGS="$LDFLAGS"
+LDFLAGS="$LDFLAGS -static-libgcc"
+AC_MSG_CHECKING([for -static-libgcc])
+AC_LINK_IFELSE([AC_LANG_SOURCE([
+  int main() {}])], [have_static_libgcc=yes], [have_static_libgcc=no])
+AC_MSG_RESULT($have_static_libgcc); 
+LDFLAGS="$saved_LDFLAGS"
+# Need -Wc to get it through libtool.
+if test "x$have_static_libgcc" = xyes; then
+   ac_lto_plugin_ldflags="-Wc,-static-libgcc"
+fi
+AC_SUBST(ac_lto_plugin_ldflags)
+
+GCC_CET_HOST_FLAGS(CET_HOST_FLAGS)
+AC_SUBST(CET_HOST_FLAGS)
+
+if test x"$host_subdir" = x.; then
+   gcc_build_dir=../gcc
+else
+   gcc_build_dir=../../$host_subdir/gcc
+fi
+AC_SUBST(gcc_build_dir)
+
+# Used for constructing correct paths for offload compilers.
+accel_dir_suffix=
+real_target_noncanonical=${target_noncanonical}
+if test x"$enable_as_accelerator_for" != x; then
+  accel_dir_suffix=/accel/${target_noncanonical}
+  real_target_noncanonical=${enable_as_accelerator_for}
+fi
+AC_SUBST(accel_dir_suffix)
+AC_SUBST(real_target_noncanonical)
+
+# Determine what GCC version number to use in filesystem paths.
+GCC_BASE_VER
+
 AM_PROG_LIBTOOL
 ACX_LT_HOST_FLAGS
 AC_SUBST(target_noncanonical)
-# Trying to get this information from gcc's config is tricky.
-case $target in
-  x86_64*-mingw*)
-    AC_DEFINE([SYM_STYLE], [ss_none], [Default symbol style])
-    ;;
-  *-cygwin* | i?86*-mingw* )
-    AC_DEFINE([SYM_STYLE], [ss_win32], [Default symbol style])
-    ;;
-  *)
-    AC_DEFINE([SYM_STYLE], [ss_none], [Default symbol style])
-    ;;
-esac
 AC_TYPE_INT64_T
 AC_TYPE_UINT64_T
 AC_HEADER_SYS_WAIT