Build with -Werror-implicit-int where supported

diff --git a/src/aclocal.m4 b/src/aclocal.m4
index 9c46da4b595601480b17090a2bb8240463cca0c3..510d9ba5196b394b017189d6cb2e0c7ac95b29e2 100644 (file)
--- a/src/aclocal.m4
+++ b/src/aclocal.m4
@@ -528,7 +528,7 @@ if test "$GCC" = yes ; then
     TRY_WARN_CC_FLAG(-Wno-format-zero-length)
     # Other flags here may not be supported on some versions of
     # gcc that people want to use.
-    for flag in overflow strict-overflow missing-format-attribute missing-prototypes return-type missing-braces parentheses switch unused-function unused-label unused-variable unused-value unknown-pragmas sign-compare newline-eof error=uninitialized error=pointer-arith error=int-conversion error=incompatible-pointer-types error=discarded-qualifiers ; do
+    for flag in overflow strict-overflow missing-format-attribute missing-prototypes return-type missing-braces parentheses switch unused-function unused-label unused-variable unused-value unknown-pragmas sign-compare newline-eof error=uninitialized error=pointer-arith error=int-conversion error=incompatible-pointer-types error=discarded-qualifiers error=implicit-int ; do
       TRY_WARN_CC_FLAG(-W$flag)
     done
     #  old-style-definition? generates many, many warnings