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
WERROR_CFLAGS="-Werror"
fi
-# These options work in either C or C++ modes.
+# The options we'll try to enable.
build_warnings="-Wall -Wpointer-arith \
-Wno-unused -Wunused-value -Wunused-function \
-Wno-switch -Wno-char-subscripts \
--Wempty-body"
+-Wempty-body -Wunused-but-set-parameter -Wunused-but-set-variable \
+-Wno-sign-compare -Wno-narrowing -Wno-error=maybe-uninitialized \
+-Wno-mismatched-tags"
-# Now add in C and C++ specific options, depending on mode.
-if test "$enable_build_with_cxx" = "yes"; then
- build_warnings="$build_warnings -Wno-sign-compare -Wno-write-strings \
--Wno-narrowing"
-else
- build_warnings="$build_warnings -Wpointer-sign -Wmissing-prototypes \
--Wdeclaration-after-statement -Wmissing-parameter-type \
--Wold-style-declaration -Wold-style-definition"
-fi
-
-# Enable -Wno-format by default when using gcc on mingw since many
-# GCC versions complain about %I64.
case "${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="$build_warnings -Wformat-nonliteral" ;;
esac
# The set of warnings supported by a C++ compiler is not the same as
# of the C compiler.
-if test "$enable_build_with_cxx" = "yes"; then
- AC_LANG_PUSH([C++])
-fi
+AC_LANG_PUSH([C++])
WARN_CFLAGS=""
if test "x${build_warnings}" != x -a "x$GCC" = xyes
*)
# 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="$saved_CXXFLAGS"
AC_SUBST(WARN_CFLAGS)
AC_SUBST(WERROR_CFLAGS)
-if test "$enable_build_with_cxx" = "yes"; then
- AC_LANG_POP([C++])
-fi
+AC_LANG_POP([C++])
])