Fix gdb 8.1 Solaris compilation

[thirdparty/binutils-gdb.git] / gdb / warning.m4

diff --git a/gdb/warning.m4 b/gdb/warning.m4
index 849fa2d7190aa243dc612e07d1123ded49f20606..0601c2d1a9f5895a518e405780e262a8922044b7 100644 (file)
--- a/gdb/warning.m4
+++ b/gdb/warning.m4
@@ -1,5 +1,5 @@
 dnl Autoconf configure script for GDB, the GNU debugger.
-dnl Copyright (C) 1995-2016 Free Software Foundation, Inc.
+dnl Copyright (C) 1995-2017 Free Software Foundation, Inc.
 dnl
 dnl This file is part of GDB.
 dnl
@@ -40,12 +40,20 @@ build_warnings="-Wall -Wpointer-arith \
 -Wno-unused -Wunused-value -Wunused-function \
 -Wno-switch -Wno-char-subscripts \
 -Wempty-body -Wunused-but-set-parameter -Wunused-but-set-variable \
--Wno-sign-compare -Wno-write-strings -Wno-narrowing"
+-Wno-sign-compare -Wno-narrowing -Wno-error=maybe-uninitialized \
+-Wno-mismatched-tags"
 
-# Enable -Wno-format by default when using gcc on mingw since many
-# GCC versions complain about %I64.
 case "${host}" in
-  *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
+  *-*-mingw32*)
+    # Enable -Wno-format by default when using gcc on mingw since many
+    # GCC versions complain about %I64.
+    build_warnings="$build_warnings -Wno-format" ;;
+  *-*-solaris*)
+    # Solaris 11.4 <python2.7/ceval.h> uses #pragma no_inline that GCC
+    # doesn't understand.
+    build_warnings="$build_warnings -Wno-unknown-pragmas"
+    # Solaris 11 <unistd.h> marks vfork deprecated.
+    build_warnings="$build_warnings -Wno-deprecated-declarations" ;;
   *) build_warnings="$build_warnings -Wformat-nonliteral" ;;
 esac
 
@@ -103,9 +111,9 @@ then
        *)
            # Check whether GCC accepts it.
            saved_CFLAGS="$CFLAGS"
-           CFLAGS="$CFLAGS $wtest"
+           CFLAGS="$CFLAGS -Werror $wtest"
            saved_CXXFLAGS="$CXXFLAGS"
-           CXXFLAGS="$CXXFLAGS $wtest"
+           CXXFLAGS="$CXXFLAGS -Werror $wtest"
            AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
            CFLAGS="$saved_CFLAGS"
            CXXFLAGS="$saved_CXXFLAGS"