Fixed ChangeLog entry.

[pf3gnuchains/gcc-fork.git] / configure

diff --git a/configure b/configure
index d69c5ab..bc27927 100755 (executable)
--- a/configure
+++ b/configure
@@ -6015,7 +6015,95 @@ fi
 
 
 
-ac_ext=c
+
+
+target_elf=no
+case $target in
+  *-darwin* | *-aix* | *-cygwin* | *-mingw* | *-aout* | *-*coff* | \
+  *-msdosdjgpp* | *-netware* | *-vms* | *-wince* | *-*-pe* | \
+  alpha*-dec-osf* | *-interix* | hppa[12]*-*-hpux*)
+    target_elf=no
+    ;;
+  *)
+    target_elf=yes
+    ;;
+esac
+
+if test $target_elf = yes; then :
+
+else
+  if test x"$default_enable_lto" = x"yes" ; then
+  enable_lto=no
+else
+  if test x"$enable_lto" = x"yes"; then
+    as_fn_error "LTO support requires an ELF target." "$LINENO" 5
+  fi
+fi
+default_enable_lto=no
+fi
+
+
+if test x"$enable_lto" = x"yes" ; then
+  # Make sure that libelf.h and gelf.h are available.
+
+# Check whether --with-libelf was given.
+if test "${with_libelf+set}" = set; then :
+  withval=$with_libelf;
+fi
+
+
+
+# Check whether --with-libelf_include was given.
+if test "${with_libelf_include+set}" = set; then :
+  withval=$with_libelf_include;
+fi
+
+
+
+# Check whether --with-libelf_lib was given.
+if test "${with_libelf_lib+set}" = set; then :
+  withval=$with_libelf_lib;
+fi
+
+
+  saved_CFLAGS="$CFLAGS"
+  saved_CPPFLAGS="$CPPFLAGS"
+  saved_LIBS="$LIBS"
+
+  case $with_libelf in
+    "")
+      libelflibs="-lelf"
+      libelfinc="-I/usr/include/libelf"
+      ;;
+    *)
+      libelflibs="-L$with_libelf/lib -lelf"
+      libelfinc="-I$with_libelf/include -I$with_libelf/include/libelf"
+      LIBS="$libelflibs $LIBS"
+      ;;
+  esac
+
+  if test "x$with_libelf_include" != x; then
+    libelfinc="-I$with_libelf_include"
+  fi
+
+  if test "x$with_libelf_lib" != x; then
+    libelflibs="-L$with_libelf_lib -lelf"
+    LIBS="$libelflibs $LIBS"
+  fi
+
+  if test "x$with_libelf$with_libelf_include$with_libelf_lib" = x \
+     && test -d ${srcdir}/libelf; then
+    libelflibs='-L$$r/$(HOST_SUBDIR)/libelf/lib -lelf '
+    libelfinc='-D__LIBELF_INTERNAL__ -I$$r/$(HOST_SUBDIR)/libelf/lib -I$$s/libelf/lib'
+    LIBS="$libelflibs $LIBS"
+
+ else
+
+  CFLAGS="$CFLAGS $libelfinc"
+  CPPFLAGS="$CPPFLAGS $libelfinc"
+  LIBS="$LIBS $libelflibs"
+
+  ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'