Reverse the cc-silence default.
Replace --enable-cc-silence with --disable-cc-silence, so that by
default people won't see spurious warnings when building jemalloc.
diff --git a/INSTALL b/INSTALL
index 8530643..55c919a 100644
--- a/INSTALL
+++ b/INSTALL
@@ -71,10 +71,10 @@
versions of jemalloc can coexist in the same installation directory. For
example, libjemalloc.so.0 becomes libjemalloc<suffix>.so.0.
---enable-cc-silence
- Enable code that silences non-useful compiler warnings. This is helpful
- when trying to tell serious warnings from those due to compiler
- limitations, but it potentially incurs a performance penalty.
+--disable-cc-silence
+ Disable code that silences non-useful compiler warnings. This is mainly
+ useful during development when auditing the set of warnings that are being
+ silenced.
--enable-debug
Enable assertions and validation code. This incurs a substantial
diff --git a/configure.ac b/configure.ac
index 04cefe9..b47d572 100644
--- a/configure.ac
+++ b/configure.ac
@@ -577,18 +577,17 @@
cfghdrs_tup="${cfghdrs_tup} include/jemalloc/internal/jemalloc_internal_defs.h:${srcroot}include/jemalloc/internal/jemalloc_internal_defs.h.in"
cfghdrs_tup="${cfghdrs_tup} test/include/test/jemalloc_test_defs.h:${srcroot}test/include/test/jemalloc_test_defs.h.in"
-dnl Do not silence irrelevant compiler warnings by default, since enabling this
-dnl option incurs a performance penalty.
+dnl Silence irrelevant compiler warnings by default.
AC_ARG_ENABLE([cc-silence],
- [AS_HELP_STRING([--enable-cc-silence],
- [Silence irrelevant compiler warnings])],
+ [AS_HELP_STRING([--disable-cc-silence],
+ [Do not silence irrelevant compiler warnings])],
[if test "x$enable_cc_silence" = "xno" ; then
enable_cc_silence="0"
else
enable_cc_silence="1"
fi
],
-[enable_cc_silence="0"]
+[enable_cc_silence="1"]
)
if test "x$enable_cc_silence" = "x1" ; then
AC_DEFINE([JEMALLOC_CC_SILENCE], [ ])