New option, --with-Werror, to convert all warnings into errors.

ChangeLog

@@ -1,3 +1,8 @@
+Fri Apr 20 19:02:46 CDT 2001 Adam Heath <doogie@debian.org>
+
+  * configure.in: New option, --with-Werror, to convert all warnings
+    into errors.
+
 Fri Apr 20 18:21:45 CDT 2001 Adam Heath <doogie@debian.org>
 
   * automake/dpkg.m4, configure.in: Add support for gcc attributes,

configure.in

@@ -178,6 +178,15 @@ DPKG_CACHED_TRY_COMPILE(__attribute__((,,)),dpkg_cv_c_attribute_supported,,
    AC_MSG_RESULT(no)),
  AC_MSG_RESULT(no))
 
+AC_MSG_CHECKING(whether to use -Werror)
+AC_ARG_WITH(Werror,
+[  --with-Werror           use -Werror when compiling],
+	[warn=-Werror]
+	AC_MSG_RESULT(yes)
+	DPKG_C_GCC_TRY_WARNS(-Werror, dpkg_cv_c_gcc_warn_error),
+	[warn=all]
+	AC_MSG_RESULT(no))
+
 DPKG_C_GCC_TRY_WARNS(-Wall -Wno-implicit, dpkg_cv_c_gcc_warn_all)
 DPKG_C_GCC_TRY_WARNS(-Wwrite-strings, dpkg_cv_c_gcc_warn_writestrings)
 DPKG_C_GCC_TRY_WARNS(-Wpointer-arith, dpkg_cv_c_gcc_warn_pointerarith)