133 AC_DEFUN([FLAGS_SETUP_WARNINGS],
134 [
135 AC_ARG_ENABLE([warnings-as-errors], [AS_HELP_STRING([--disable-warnings-as-errors],
136 [do not consider native warnings to be an error @<:@enabled@:>@])])
137
138 # Set default value.
139 if test "x$TOOLCHAIN_TYPE" = xxlc; then
140 WARNINGS_AS_ERRORS=false
141 else
142 WARNINGS_AS_ERRORS=true
143 fi
144
145 AC_MSG_CHECKING([if native warnings are errors])
146 if test "x$enable_warnings_as_errors" = "xyes"; then
147 AC_MSG_RESULT([yes (explicitly set)])
148 WARNINGS_AS_ERRORS=true
149 elif test "x$enable_warnings_as_errors" = "xno"; then
150 AC_MSG_RESULT([no (explicitly set)])
151 WARNINGS_AS_ERRORS=false
152 elif test "x$enable_warnings_as_errors" = "x"; then
153 AC_MSG_RESULT([${WARNINGS_AS_ERRORS} (default)])
154 else
155 AC_MSG_ERROR([--enable-warnings-as-errors accepts no argument])
156 fi
157
158 AC_SUBST(WARNINGS_AS_ERRORS)
159
160 case "${TOOLCHAIN_TYPE}" in
161 microsoft)
162 DISABLE_WARNING_PREFIX="-wd"
163 CFLAGS_WARNINGS_ARE_ERRORS="-WX"
164 ;;
165 solstudio)
166 DISABLE_WARNING_PREFIX="-erroff="
167 CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all"
168 ;;
169 gcc)
170 DISABLE_WARNING_PREFIX="-Wno-"
171 CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
172 # Repeate the check for the BUILD_CC and BUILD_CXX. Need to also reset
173 # CFLAGS since any target specific flags will likely not work with the
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133 AC_DEFUN([FLAGS_SETUP_WARNINGS],
134 [
135 AC_ARG_ENABLE([warnings-as-errors], [AS_HELP_STRING([--disable-warnings-as-errors],
136 [do not consider native warnings to be an error @<:@enabled@:>@])])
137
138 # Set default value.
139 if test "x$TOOLCHAIN_TYPE" = xxlc; then
140 WARNINGS_AS_ERRORS=false
141 else
142 WARNINGS_AS_ERRORS=true
143 fi
144
145 AC_MSG_CHECKING([if native warnings are errors])
146 if test "x$enable_warnings_as_errors" = "xyes"; then
147 AC_MSG_RESULT([yes (explicitly set)])
148 WARNINGS_AS_ERRORS=true
149 elif test "x$enable_warnings_as_errors" = "xno"; then
150 AC_MSG_RESULT([no (explicitly set)])
151 WARNINGS_AS_ERRORS=false
152 elif test "x$enable_warnings_as_errors" = "x"; then
153 # gcc might produce false positive results when code coverage is enabled
154 if test "x$enable_native_coverage" = "xyes" && test "x$TOOLCHAIN_TYPE" = "xgcc"; then
155 AC_MSG_RESULT([no (disabled for native code coverage)])
156 WARNINGS_AS_ERRORS=false
157 else
158 AC_MSG_RESULT([${WARNINGS_AS_ERRORS} (default)])
159 fi
160 else
161 AC_MSG_ERROR([--enable-warnings-as-errors accepts no argument])
162 fi
163
164 AC_SUBST(WARNINGS_AS_ERRORS)
165
166 case "${TOOLCHAIN_TYPE}" in
167 microsoft)
168 DISABLE_WARNING_PREFIX="-wd"
169 CFLAGS_WARNINGS_ARE_ERRORS="-WX"
170 ;;
171 solstudio)
172 DISABLE_WARNING_PREFIX="-erroff="
173 CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all"
174 ;;
175 gcc)
176 DISABLE_WARNING_PREFIX="-Wno-"
177 CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
178 # Repeate the check for the BUILD_CC and BUILD_CXX. Need to also reset
179 # CFLAGS since any target specific flags will likely not work with the
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