Add --disable-rtti

git-svn-id: https://google-glog.googlecode.com/svn/trunk@109 eb4d4688-79bd-11dd-afb4-1d65580434c0

Makefile.am

@@ -25,6 +25,10 @@ else
 endif
 endif
 
+if DISABLE_RTTI
+  AM_CXXFLAGS += -fno-rtti
+endif
+
 glogincludedir = $(includedir)/glog
 ## The .h files you want to install (that is, .h files that people
 ## who install this package can include in their own applications.)

Makefile.in

@@ -45,11 +45,12 @@ host_triplet = @host@
 # These are x86-specific, having to do with frame-pointers
 @ENABLE_FRAME_POINTERS_TRUE@@X86_64_TRUE@am__append_2 = -fno-omit-frame-pointer
 @ENABLE_FRAME_POINTERS_FALSE@@X86_64_TRUE@am__append_3 = -DNO_FRAME_POINTER
+@DISABLE_RTTI_TRUE@am__append_4 = -fno-rtti
 TESTS = logging_unittest$(EXEEXT) demangle_unittest$(EXEEXT) \
 	stacktrace_unittest$(EXEEXT) symbolize_unittest$(EXEEXT) \
 	stl_logging_unittest$(EXEEXT) utilities_unittest$(EXEEXT) \
 	$(am__EXEEXT_1)
-@HAVE_GMOCK_TRUE@am__append_4 = mock_log_test
+@HAVE_GMOCK_TRUE@am__append_5 = mock_log_test
 noinst_PROGRAMS = $(am__EXEEXT_2) $(am__EXEEXT_3)
 subdir = .
 DIST_COMMON = README $(am__configure_deps) $(dist_doc_DATA) \
@@ -471,7 +472,8 @@ ACLOCAL_AMFLAGS = -I m4
 AM_CPPFLAGS = -I$(top_srcdir)/src
 
 # This is mostly based on configure options
-AM_CXXFLAGS = $(am__append_1) $(am__append_2) $(am__append_3)
+AM_CXXFLAGS = $(am__append_1) $(am__append_2) $(am__append_3) \
+	$(am__append_4)
 glogincludedir = $(includedir)/glog
 gloginclude_HEADERS = src/glog/log_severity.h
 nodist_gloginclude_HEADERS = src/glog/logging.h src/glog/raw_logging.h src/glog/vlog_is_on.h src/glog/stl_logging.h

configure

@@ -777,6 +777,8 @@ PTHREAD_CFLAGS
 PTHREAD_LIBS
 PTHREAD_CC
 acx_pthread_config
+DISABLE_RTTI_FALSE
+DISABLE_RTTI_TRUE
 X86_64_FALSE
 X86_64_TRUE
 ENABLE_FRAME_POINTERS_FALSE
@@ -907,6 +909,7 @@ enable_fast_install
 with_gnu_ld
 enable_libtool_lock
 enable_frame_pointers
+enable_rtti
 with_gflags
 enable_namespace
 '
@@ -1551,6 +1554,7 @@ Optional Features:
   --disable-libtool-lock  avoid locking (might break parallel builds)
   --enable-frame-pointers On x86_64 systems, compile with
                           -fno-omit-frame-pointer (see INSTALL)
+  --disable-rtti          Disable RTTI in glog
   --enable-namespace=FOO to define these Google
                              classes in the FOO namespace. --disable-namespace
                              to define them in the global namespace. Default
@@ -5529,13 +5533,13 @@ if test "${lt_cv_nm_interface+set}" = set; then :
 else
   lt_cv_nm_interface="BSD nm"
   echo "int some_variable = 0;" > conftest.$ac_ext
-  (eval echo "\"\$as_me:5532: $ac_compile\"" >&5)
+  (eval echo "\"\$as_me:5536: $ac_compile\"" >&5)
   (eval "$ac_compile" 2>conftest.err)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:5535: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
+  (eval echo "\"\$as_me:5539: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
   (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:5538: output\"" >&5)
+  (eval echo "\"\$as_me:5542: output\"" >&5)
   cat conftest.out >&5
   if $GREP 'External.*some_variable' conftest.out > /dev/null; then
     lt_cv_nm_interface="MS dumpbin"
@@ -6741,7 +6745,7 @@ ia64-*-hpux*)
   ;;
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 6744 "configure"' > conftest.$ac_ext
+  echo '#line 6748 "configure"' > conftest.$ac_ext
   if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
@@ -8661,11 +8665,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:8664: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:8668: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:8668: \$? = $ac_status" >&5
+   echo "$as_me:8672: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -9000,11 +9004,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:9003: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:9007: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:9007: \$? = $ac_status" >&5
+   echo "$as_me:9011: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -9105,11 +9109,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:9108: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:9112: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:9112: \$? = $ac_status" >&5
+   echo "$as_me:9116: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -9160,11 +9164,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:9163: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:9167: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:9167: \$? = $ac_status" >&5
+   echo "$as_me:9171: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -11544,7 +11548,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11547 "configure"
+#line 11551 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11640,7 +11644,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11643 "configure"
+#line 11647 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -13596,11 +13600,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:13599: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:13603: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:13603: \$? = $ac_status" >&5
+   echo "$as_me:13607: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -13695,11 +13699,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:13698: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:13702: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:13702: \$? = $ac_status" >&5
+   echo "$as_me:13706: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -13747,11 +13751,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:13750: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:13754: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:13754: \$? = $ac_status" >&5
+   echo "$as_me:13758: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -15243,6 +15247,25 @@ else
 fi
 
 
+# Check whether --enable-rtti was given.
+if test "${enable_rtti+set}" = set; then :
+  enableval=$enable_rtti;
+fi
+
+ if test x"$enable_rtti" = x"no"; then
+  DISABLE_RTTI_TRUE=
+  DISABLE_RTTI_FALSE='#'
+else
+  DISABLE_RTTI_TRUE='#'
+  DISABLE_RTTI_FALSE=
+fi
+
+if test x"$enable_rtti" = x"no"; then
+
+$as_echo "#define DISABLE_RTTI 1" >>confdefs.h
+
+fi
+
 # Some of the code in this directory depends on pthreads
 
 
@@ -16586,6 +16609,10 @@ if test -z "${X86_64_TRUE}" && test -z "${X86_64_FALSE}"; then
   as_fn_error "conditional \"X86_64\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${DISABLE_RTTI_TRUE}" && test -z "${DISABLE_RTTI_FALSE}"; then
+  as_fn_error "conditional \"DISABLE_RTTI\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${HAVE_GMOCK_TRUE}" && test -z "${HAVE_GMOCK_FALSE}"; then
   as_fn_error "conditional \"HAVE_GMOCK\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5

configure.ac

@@ -93,6 +93,14 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [return __x86_64__ == 1 ? 0 : 1])],
 AM_CONDITIONAL(ENABLE_FRAME_POINTERS, test "$enable_frame_pointers" = yes)
 AM_CONDITIONAL(X86_64, test "$is_x86_64" = yes)
 
+AC_ARG_ENABLE(rtti,
+              AS_HELP_STRING([--disable-rtti],
+                             [Disable RTTI in glog]))
+AM_CONDITIONAL(DISABLE_RTTI, test x"$enable_rtti" = x"no")
+if test x"$enable_rtti" = x"no"; then
+  AC_DEFINE(DISABLE_RTTI, 1, [define if glog doesn't use RTTI])
+fi
+
 # Some of the code in this directory depends on pthreads
 ACX_PTHREAD
 if test x"$acx_pthread_ok" = x"yes"; then

src/config.h.in

 /* src/config.h.in.  Generated from configure.ac by autoheader.  */
 
+/* define if glog doesn't use RTTI */
+#undef DISABLE_RTTI
+
 /* Namespace for Google classes */
 #undef GOOGLE_NAMESPACE
 

src/logging.cc

@@ -1365,8 +1365,13 @@ int64 LogMessage::num_messages(int severity) {
 // Output the COUNTER value. This is only valid if ostream is a
 // LogStream.
 ostream& operator<<(ostream &os, const PRIVATE_Counter&) {
+#ifdef DISABLE_RTTI
+  LogMessage::LogStream *log = static_cast<LogMessage::LogStream*>(&os);
+#else
   LogMessage::LogStream *log = dynamic_cast<LogMessage::LogStream*>(&os);
-  CHECK(log == log->self());
+#endif
+  CHECK(log && log == log->self())
+      << "You must not use COUNTER with non-glog ostream";
   os << log->ctr();
   return os;
 }