Add -Wstack-usage to the gcc warning flags list, but only if using a sufficiently recent version of gcc.

bfd * warning.m4 (GCC_WARN_CFLAGS): Only add -Wstack-usage if using a sufficiently recent version of GCC. * configure: Regenerate. others * configure: Regenerate.
2016-03-22 09:41:16 +00:00 · 2016-03-22 09:41:16 +00:00 · 9780e04507
parent 648c5cbbf3
commit 9780e04507
15 changed files with 171 additions and 8 deletions
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@ -1,3 +1,9 @@
+2016-03-22  Nick Clifton  <nickc@redhat.com>
+
+	* warning.m4 (GCC_WARN_CFLAGS): Only add -Wstack-usage if using a
+	sufficiently recent version of GCC.
+	* configure: Regenerate.
+
 2016-03-22  Alan Modra  <amodra@gmail.com>

 	PR 19851
--- a/bfd/configure
+++ b/bfd/configure
@ -12223,7 +12223,10 @@ fi
 # Set the 'development' global.
 . $srcdir/../bfd/development.sh

+# Default set of GCC warnings to enable.
 GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
+
+# Add -Wshadow if the compiler is a sufficiently recent version of GCC.
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 __GNUC__
@ -12237,6 +12240,21 @@ fi
 rm -f conftest*


+# Add -Wstack-usage if the compiler is a sufficiently recent version of GCC.
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+__GNUC__
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "^[0-4]$" >/dev/null 2>&1; then :
+
+else
+  GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wstack-usage=262144"
+fi
+rm -f conftest*
+
+
+
 # Check whether --enable-werror was given.
 if test "${enable_werror+set}" = set; then :
  enableval=$enable_werror; case "${enableval}" in
@ -12264,7 +12282,7 @@ fi

 NO_WERROR=
 if test "${ERROR_ON_WARNING}" = yes ; then
-    GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror -Wstack-usage=262144"
+    GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror"
    NO_WERROR="-Wno-error"
 fi

--- a/bfd/warning.m4
+++ b/bfd/warning.m4
@ -21,9 +21,16 @@ AC_DEFUN([AM_BINUTILS_WARNINGS],[
 # Set the 'development' global.
 . $srcdir/../bfd/development.sh

+# Default set of GCC warnings to enable.
 GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
+
+# Add -Wshadow if the compiler is a sufficiently recent version of GCC.
 AC_EGREP_CPP([^[0-3]$],[__GNUC__],,GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wshadow")

+# Add -Wstack-usage if the compiler is a sufficiently recent version of GCC.
+AC_EGREP_CPP([^[0-4]$],[__GNUC__],,GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wstack-usage=262144")
+
+
 AC_ARG_ENABLE(werror,
  [  --enable-werror         treat compile warnings as errors],
  [case "${enableval}" in
@ -49,7 +56,7 @@ fi

 NO_WERROR=
 if test "${ERROR_ON_WARNING}" = yes ; then
-    GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror -Wstack-usage=262144"
+    GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror"
    NO_WERROR="-Wno-error"
 fi

--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@ -1,3 +1,7 @@
+2016-03-22  Nick Clifton  <nickc@redhat.com>
+
+	* configure: Regenerate.
+
 2016-03-21  Andrew Burgess  <andrew.burgess@embecosm.com>

 	* readelf.c (decode_ARC_machine_flags): Handle nps400.
--- a/binutils/configure
+++ b/binutils/configure
@ -11941,7 +11941,10 @@ _ACEOF
 # Set the 'development' global.
 . $srcdir/../bfd/development.sh

+# Default set of GCC warnings to enable.
 GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
+
+# Add -Wshadow if the compiler is a sufficiently recent version of GCC.
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 __GNUC__
@ -11955,6 +11958,21 @@ fi
 rm -f conftest*


+# Add -Wstack-usage if the compiler is a sufficiently recent version of GCC.
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+__GNUC__
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "^[0-4]$" >/dev/null 2>&1; then :
+
+else
+  GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wstack-usage=262144"
+fi
+rm -f conftest*
+
+
+
 # Check whether --enable-werror was given.
 if test "${enable_werror+set}" = set; then :
  enableval=$enable_werror; case "${enableval}" in
@ -11982,7 +12000,7 @@ fi

 NO_WERROR=
 if test "${ERROR_ON_WARNING}" = yes ; then
-    GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror -Wstack-usage=262144"
+    GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror"
    NO_WERROR="-Wno-error"
 fi

--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@ -1,3 +1,7 @@
+2016-03-22  Nick Clifton  <nickc@redhat.com>
+
+	* configure: Regenerate.
+
 2016-03-21  Andrew Burgess  <andrew.burgess@embecosm.com>

 	* testsuite/gas/arc/nps400-0.d: New file.
--- a/gas/configure
+++ b/gas/configure
@ -11714,7 +11714,10 @@ using_cgen=no
 # Set the 'development' global.
 . $srcdir/../bfd/development.sh

+# Default set of GCC warnings to enable.
 GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
+
+# Add -Wshadow if the compiler is a sufficiently recent version of GCC.
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 __GNUC__
@ -11728,6 +11731,21 @@ fi
 rm -f conftest*


+# Add -Wstack-usage if the compiler is a sufficiently recent version of GCC.
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+__GNUC__
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "^[0-4]$" >/dev/null 2>&1; then :
+
+else
+  GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wstack-usage=262144"
+fi
+rm -f conftest*
+
+
+
 # Check whether --enable-werror was given.
 if test "${enable_werror+set}" = set; then :
  enableval=$enable_werror; case "${enableval}" in
@ -11755,7 +11773,7 @@ fi

 NO_WERROR=
 if test "${ERROR_ON_WARNING}" = yes ; then
-    GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror -Wstack-usage=262144"
+    GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror"
    NO_WERROR="-Wno-error"
 fi

--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@ -1,3 +1,7 @@
+2016-03-22  Nick Clifton  <nickc@redhat.com>
+
+	* configure: Regenerate.
+
 2016-03-21  Cary Coutant  <ccoutant@gmail.com>

 	PR gold/19842
--- a/gold/configure
+++ b/gold/configure
@ -6687,7 +6687,10 @@ fi
 # Set the 'development' global.
 . $srcdir/../bfd/development.sh

+# Default set of GCC warnings to enable.
 GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
+
+# Add -Wshadow if the compiler is a sufficiently recent version of GCC.
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 __GNUC__
@ -6701,6 +6704,21 @@ fi
 rm -f conftest*


+# Add -Wstack-usage if the compiler is a sufficiently recent version of GCC.
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+__GNUC__
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "^[0-4]$" >/dev/null 2>&1; then :
+
+else
+  GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wstack-usage=262144"
+fi
+rm -f conftest*
+
+
+
 # Check whether --enable-werror was given.
 if test "${enable_werror+set}" = set; then :
  enableval=$enable_werror; case "${enableval}" in
@ -6728,7 +6746,7 @@ fi

 NO_WERROR=
 if test "${ERROR_ON_WARNING}" = yes ; then
-    GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror -Wstack-usage=262144"
+    GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror"
    NO_WERROR="-Wno-error"
 fi

--- a/gprof/ChangeLog
+++ b/gprof/ChangeLog
@ -1,3 +1,7 @@
+2016-03-22  Nick Clifton  <nickc@redhat.com>
+
+	* configure: Regenerate.
+
 2016-01-17  Alan Modra  <amodra@gmail.com>

 	* configure: Regenerate.
--- a/gprof/configure
+++ b/gprof/configure
@ -12097,7 +12097,10 @@ fi
 # Set the 'development' global.
 . $srcdir/../bfd/development.sh

+# Default set of GCC warnings to enable.
 GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
+
+# Add -Wshadow if the compiler is a sufficiently recent version of GCC.
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 __GNUC__
@ -12111,6 +12114,21 @@ fi
 rm -f conftest*


+# Add -Wstack-usage if the compiler is a sufficiently recent version of GCC.
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+__GNUC__
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "^[0-4]$" >/dev/null 2>&1; then :
+
+else
+  GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wstack-usage=262144"
+fi
+rm -f conftest*
+
+
+
 # Check whether --enable-werror was given.
 if test "${enable_werror+set}" = set; then :
  enableval=$enable_werror; case "${enableval}" in
@ -12138,7 +12156,7 @@ fi

 NO_WERROR=
 if test "${ERROR_ON_WARNING}" = yes ; then
-    GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror -Wstack-usage=262144"
+    GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror"
    NO_WERROR="-Wno-error"
 fi

--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@ -1,3 +1,7 @@
+2016-03-22  Nick Clifton  <nickc@redhat.com>
+
+	* configure: Regenerate.
+
 2016-03-21  Nick Clifton  <nickc@redhat.com>

 	* emultempl/msp430.em: Replace use of alloca with call to xmalloc.
--- a/ld/configure
+++ b/ld/configure
@ -15540,7 +15540,10 @@ fi
 # Set the 'development' global.
 . $srcdir/../bfd/development.sh

+# Default set of GCC warnings to enable.
 GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
+
+# Add -Wshadow if the compiler is a sufficiently recent version of GCC.
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 __GNUC__
@ -15554,6 +15557,21 @@ fi
 rm -f conftest*


+# Add -Wstack-usage if the compiler is a sufficiently recent version of GCC.
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+__GNUC__
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "^[0-4]$" >/dev/null 2>&1; then :
+
+else
+  GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wstack-usage=262144"
+fi
+rm -f conftest*
+
+
+
 # Check whether --enable-werror was given.
 if test "${enable_werror+set}" = set; then :
  enableval=$enable_werror; case "${enableval}" in
@ -15581,7 +15599,7 @@ fi

 NO_WERROR=
 if test "${ERROR_ON_WARNING}" = yes ; then
-    GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror -Wstack-usage=262144"
+    GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror"
    NO_WERROR="-Wno-error"
 fi

--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@ -1,3 +1,7 @@
+2016-03-22  Nick Clifton  <nickc@redhat.com>
+
+	* configure: Regenerate.
+
 2016-03-21  Andrew Burgess  <andrew.burgess@embecosm.com>

 	* arc-nps400-tbl.h: New file.
--- a/opcodes/configure
+++ b/opcodes/configure
@ -11504,7 +11504,10 @@ fi
 # Set the 'development' global.
 . $srcdir/../bfd/development.sh

+# Default set of GCC warnings to enable.
 GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
+
+# Add -Wshadow if the compiler is a sufficiently recent version of GCC.
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 __GNUC__
@ -11518,6 +11521,21 @@ fi
 rm -f conftest*


+# Add -Wstack-usage if the compiler is a sufficiently recent version of GCC.
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+__GNUC__
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "^[0-4]$" >/dev/null 2>&1; then :
+
+else
+  GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wstack-usage=262144"
+fi
+rm -f conftest*
+
+
+
 # Check whether --enable-werror was given.
 if test "${enable_werror+set}" = set; then :
  enableval=$enable_werror; case "${enableval}" in
@ -11545,7 +11563,7 @@ fi

 NO_WERROR=
 if test "${ERROR_ON_WARNING}" = yes ; then
-    GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror -Wstack-usage=262144"
+    GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror"
    NO_WERROR="-Wno-error"
 fi