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[PATCH 06/10] libiberty: Add -Wshadow=local to warning flags (if supported).


libiberty/ChangeLog:

       * configure.ac (ac_libiberty_warn_cflags): Add -Wshadow=local.
       * configure: Regenerated.
---
 libiberty/ChangeLog    | 5 +++++
 libiberty/configure    | 3 ++-
 libiberty/configure.ac | 3 ++-
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index e532460..d0c5595 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,8 @@
+2016-11-06  Mark Wielaard  <mark@klomp.org>
+
+	* configure.ac (ac_libiberty_warn_cflags): Add -Wshadow=local.
+	* configure: Regenerated.
+
 2016-11-07  Jason Merrill  <jason@redhat.com>
 
 	* cp-demangle.c (is_fnqual_component_type): New.
diff --git a/libiberty/configure b/libiberty/configure
index 0f8e9b9..5c4dda5 100755
--- a/libiberty/configure
+++ b/libiberty/configure
@@ -4398,7 +4398,8 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 ac_libiberty_warn_cflags=
 save_CFLAGS="$CFLAGS"
 for real_option in -W -Wall -Wwrite-strings -Wc++-compat \
-			  -Wstrict-prototypes; do
+			  -Wstrict-prototypes \
+			  -Wshadow=local; do
   # Do the check with the no- prefix removed since gcc silently
   # accepts any -Wno-* option on purpose
   case $real_option in
diff --git a/libiberty/configure.ac b/libiberty/configure.ac
index 9d3f298..1aa0c7c 100644
--- a/libiberty/configure.ac
+++ b/libiberty/configure.ac
@@ -160,7 +160,8 @@ AC_SYS_LARGEFILE
 AC_PROG_CPP_WERROR
 
 ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wc++-compat \
-			  -Wstrict-prototypes], [ac_libiberty_warn_cflags])
+			  -Wstrict-prototypes \
+			  -Wshadow=local], [ac_libiberty_warn_cflags])
 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([], [ac_libiberty_warn_cflags])
 
 AC_PROG_CC_C_O
-- 
1.8.3.1


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