/cp

[pf3gnuchains/gcc-fork.git] / gcc / configure.ac

diff --git a/gcc/configure.ac b/gcc/configure.ac
index d19ca07..12492ff 100644 (file)
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -329,10 +329,11 @@ GCC_STDINT_TYPES
 # * 'long long'
 # * variadic macros
 # * overlong strings
+# * C++11 narrowing conversions in { }
 # So, we only use -pedantic if we can disable those warnings.
 
 ACX_PROG_CC_WARNING_OPTS(
-       m4_quote(m4_do([-W -Wall -Wwrite-strings -Wcast-qual])), [loose_warn])
+       m4_quote(m4_do([-W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual])), [loose_warn])
 ACX_PROG_CC_WARNING_OPTS(
        m4_quote(m4_do([-Wstrict-prototypes -Wmissing-prototypes])),
        [c_loose_warn])
@@ -357,6 +358,10 @@ fi
 AC_SUBST(warn_cflags)
 AC_SUBST(warn_cxxflags)
 
+# Disable exceptions and RTTI if building with g++
+ACX_PROG_CC_WARNING_OPTS(
+       m4_quote(m4_do([-fno-exceptions -fno-rtti])), [noexception_flags])
+       
 # Enable expensive internal checks
 is_release=
 if test x"`cat $srcdir/DEV-PHASE`" != xexperimental; then
@@ -842,17 +847,7 @@ esac
 gcc_AC_PROG_LN_S
 ACX_PROG_LN($LN_S)
 AC_PROG_RANLIB
-case "${host}" in
-*-*-darwin*)
-  # By default, the Darwin ranlib will not treat common symbols as
-  # definitions when  building the archive table of contents.  Other 
-  # ranlibs do that; pass an option to the Darwin ranlib that makes
-  # it behave similarly.
-  ranlib_flags="-c" 
-  ;;
-*)
-  ranlib_flags=""
-esac
+ranlib_flags=""
 AC_SUBST(ranlib_flags)
      
 gcc_AC_PROG_INSTALL
@@ -1094,8 +1089,10 @@ AM_LANGINFO_CODESET
 # We will need to find libiberty.h and ansidecl.h
 saved_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
+saved_CXXFLAGS="$CXXFLAGS"
+CXXFLAGS="$CXXFLAGS -I${srcdir} -I${srcdir}/../include"
 gcc_AC_CHECK_DECLS(getenv atol asprintf sbrk abort atof getcwd getwd \
-       strsignal strstr strverscmp \
+       strsignal strstr stpcpy strverscmp \
        errno snprintf vsnprintf vasprintf malloc realloc calloc \
        free basename getopt clock getpagesize gcc_UNLOCKED_FUNCS, , ,[
 #include "ansidecl.h"
@@ -1146,6 +1143,21 @@ gcc_AC_CHECK_DECLS(sigaltstack, , ,[
 #include <signal.h>
 ])
 
+# g++ on Solaris 10+ defines _XOPEN_SOURCE=600, which hides the madvise()
+# prototype.
+AS_IF([test "$ENABLE_BUILD_WITH_CXX" = "yes"],
+  [AC_LANG_PUSH([C++])
+   gcc_AC_CHECK_DECLS(madvise, , ,[
+     #include "ansidecl.h"
+     #include "system.h"
+   ])
+   AC_LANG_POP([C++])],
+  [gcc_AC_CHECK_DECLS(madvise, , ,[
+     #include "ansidecl.h"
+     #include "system.h"
+   ])
+])
+
 # More time-related stuff.
 AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
@@ -1172,8 +1184,9 @@ if test $gcc_cv_type_clock_t = yes; then
   [Define if <time.h> defines clock_t.])
 fi
 
-# Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
+# Restore CFLAGS, CXXFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
 CFLAGS="$saved_CFLAGS"
+CXXFLAGS="$saved_CXXFLAGS"
 
 gcc_AC_INITFINI_ARRAY
 
@@ -1398,19 +1411,6 @@ if test x${thread_file} = x; then
   thread_file=${target_thread_file}
 fi
 
-# Make gthr-default.h if we have a thread file.
-gthread_flags=
-if test $thread_file != single; then
-  echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h-t
-  if diff gthr-default.h-t gthr-default.h 2>/dev/null; then
-    rm -f gthr-default.h-t
-  else
-    mv -f gthr-default.h-t gthr-default.h
-  fi
-  gthread_flags=-DHAVE_GTHR_DEFAULT
-fi
-AC_SUBST(gthread_flags)
-
 # --------
 # UNSORTED
 # --------
@@ -1697,13 +1697,6 @@ for f in $tm_file; do
   esac
 done
 
-libgcc_tm_file_list=
-libgcc_tm_include_list=
-for f in $libgcc_tm_file; do
-  libgcc_tm_file_list="${libgcc_tm_file_list} \$(srcdir)/../libgcc/config/$f"
-  libgcc_tm_include_list="${libgcc_tm_include_list} ../libgcc/config/$f"
-done
-
 tm_p_file_list=
 tm_p_include_list=
 for f in $tm_p_file; do
@@ -4903,18 +4896,6 @@ AC_ARG_ENABLE(version-specific-runtime-libs,
                 [specify that runtime libraries should be
                  installed in a compiler-specific directory])])
 
-AC_ARG_WITH(slibdir,
-[AS_HELP_STRING([--with-slibdir=DIR], [shared libraries in DIR @<:@LIBDIR@:>@])],
-slibdir="$with_slibdir",
-if test "${enable_version_specific_runtime_libs+set}" = set; then
-  slibdir='$(libsubdir)'
-elif test "$host" != "$target"; then
-  slibdir='$(build_tooldir)/lib'
-else
-  slibdir='$(libdir)'
-fi)
-AC_SUBST(slibdir)
-
 # Substitute configuration variables
 AC_SUBST(subdirs)
 AC_SUBST(srcdir)
@@ -4941,7 +4922,6 @@ AC_SUBST(user_headers_inc_next_pre)
 AC_SUBST(user_headers_inc_next_post)
 AC_SUBST(extra_headers_list)
 AC_SUBST(extra_objs)
-AC_SUBST(extra_parts)
 AC_SUBST(extra_passes)
 AC_SUBST(extra_programs)
 AC_SUBST(float_h_file)
@@ -4963,12 +4943,9 @@ AC_SUBST(out_file)
 AC_SUBST(out_object_file)
 AC_SUBST(common_out_file)
 AC_SUBST(common_out_object_file)
-AC_SUBST(thread_file)
 AC_SUBST(tm_file_list)
 AC_SUBST(tm_include_list)
 AC_SUBST(tm_defines)
-AC_SUBST(libgcc_tm_file_list)
-AC_SUBST(libgcc_tm_include_list)
 AC_SUBST(tm_p_file_list)
 AC_SUBST(tm_p_include_list)
 AC_SUBST(xm_file_list)