sim: warnings: enable -Wreturn-type

Older versions of gcc support this warning flag.  We're already clean.

diff --git a/sim/configure b/sim/configure
index faa26e42ca94a55aec378db4143205d31df7cd69..d17905524c5dee7c73e99d53ec230b8588f7af51 100755 (executable)
--- a/sim/configure
+++ b/sim/configure
@@ -15846,6 +15846,7 @@ build_warnings="$build_warnings
 -Wold-style-definition
 -Wpointer-sign
 -Wreturn-mismatch
+-Wreturn-type
 -Wstrict-prototypes
 -Wno-enum-conversion
 "

diff --git a/sim/m4/sim_ac_option_warnings.m4 b/sim/m4/sim_ac_option_warnings.m4
index 555bdb0a26ae42c0744a3f3c1d2611e7b9c8e365..1c2d091523064f0d9d684d657e4de878359e8f54 100644 (file)
--- a/sim/m4/sim_ac_option_warnings.m4
+++ b/sim/m4/sim_ac_option_warnings.m4
@@ -69,6 +69,7 @@ build_warnings="$build_warnings
 -Wold-style-definition
 -Wpointer-sign
 -Wreturn-mismatch
+-Wreturn-type
 -Wstrict-prototypes
 dnl The cgen virtual insn logic involves enum conversions.
 dnl Disable until we can figure out how to make this work.