X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fconfigure.ac;h=9bdaa753cbdacc643808f78c8d92f3df86f8abb7;hb=b1ab97771ea3ce4842da7afd06aec65ff3fd0620;hp=e30e4af6f44c9a3e73d5994b8848e16bb7d8e0eb;hpb=5c45e068d75b49e595bc60f84d223b83ffaac4d8;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/configure.ac b/gdb/configure.ac
index e30e4af6f4..9bdaa753cb 100644
--- a/gdb/configure.ac
+++ b/gdb/configure.ac
@@ -34,14 +34,6 @@ AM_PROG_CC_STDC
 AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
 AC_CANONICAL_SYSTEM
 
-# FIXME: kettenis/20030102: The AC_PROG_RANLIB from Autoconf 2.13
-# doesn't support cross-compilation, but the one from Autoconf 2.5x
-# does.  Override RANLIB here (i.e. before running AC_PROG_RANLIB) to
-# deal with the lossage.  Note that CY_GNU_GETTEXT currently calls
-# AC_PROG_RANLIB.  This can be removed when we switch to Autoconf
-# 2.5x.
-AC_CHECK_TOOL(RANLIB, ranlib, :)
-
 dnl List of object files and targets accumulated by configure.
 
 CONFIG_OBS=
@@ -202,7 +194,7 @@ AC_ARG_ENABLE(gdbtk,
     *)
       AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
   esac],
-  [if test -d $srcdir/gdbtk; then
+  [if test -d $srcdir/gdbtk -a -d $srcdir/../itcl; then
     enable_gdbtk=yes
   else
     enable_gdbtk=no
@@ -1096,8 +1088,21 @@ AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
 # NOTE: If you add to this list, remember to update
 # gdb/doc/gdbint.texinfo.
 build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \
--Wformat -Wparentheses -Wpointer-arith -Wuninitialized -Wformat-nonliteral \
+-Wformat -Wparentheses -Wpointer-arith -Wformat-nonliteral \
 -Wunused-label -Wunused-function"
+
+# GCC supports -Wuninitialized only with -O or -On, n != 0.
+if test x${CFLAGS+set} = xset; then
+  case "${CFLAGS}" in
+    *"-O0"* ) ;;
+    *"-O"* )
+      build_warnings="${build_warnings} -Wuninitialized"
+    ;;
+  esac
+else
+  build_warnings="${build_warnings} -Wuninitialized"
+fi
+
 # Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs
 # -Wunused-function -Wunused-variable -Wunused-value
 # -Wchar-subscripts -Wtraditional -Wshadow -Wcast-qual