Add '-Wall -Werror' to the compile options in the autotools makefile,

having just noticed that Makefile.gtk had it and this one doesn't. (Of
course, this being autoconf, we can easily enough make it conditional
on the compiler actually being gcc.)

git-svn-id: svn://svn.tartarus.org/sgt/putty@9583 cda61777-01e9-0310-a592-d414129be87e

diff --git a/mkfiles.pl b/mkfiles.pl
index b38a218..7cb42fb 100755 (executable)
--- a/mkfiles.pl
+++ b/mkfiles.pl
@@ -1155,7 +1155,7 @@ if (defined $makefiles{'am'}) {
       $objtosrc{$d->{obj}} = $d->{deps}->[0];
     }
 
-    @amcflags = ("\$(COMPAT)", "\$(XFLAGS)", map {"-I$dirpfx$_"} @srcdirs);
+    @amcflags = ("\$(COMPAT)", "\$(XFLAGS)", "\$(WARNINGOPTS)", map {"-I$dirpfx$_"} @srcdirs);
     print "if HAVE_GTK\n";
     print &splitline(join " ", "AM_CFLAGS", "=",
                      "\$(GTK_CFLAGS)", @amcflags), "\n";

diff --git a/unix/configure.ac b/unix/configure.ac
index 930f3e3..f9fe51f 100644 (file)
--- a/unix/configure.ac
+++ b/unix/configure.ac
@@ -122,6 +122,14 @@ AC_CHECK_FUNCS([getaddrinfo ptsname setresuid strsignal updwtmpx])
 AC_CHECK_DECLS([CLOCK_MONOTONIC], [], [], [[#include <time.h>]])
 AC_SEARCH_LIBS([clock_gettime], [rt], [AC_DEFINE([HAVE_CLOCK_GETTIME],[],[Define if clock_gettime() is available])])
 
+if test "x$GCC" = "xyes"; then
+  :
+  AC_SUBST(WARNINGOPTS, ['-Wall -Werror'])
+else
+  :
+  AC_SUBST(WARNINGOPTS, [])
+fi
+
 AC_OUTPUT
 
 if test "$gtk_version_desired" = "no"; then cat <<EOF