2008-08-12 Paolo Carlini <paolo.carlini@oracle.com>

[pf3gnuchains/gcc-fork.git] / libstdc++-v3 / configure.ac

diff --git a/libstdc++-v3/configure.ac b/libstdc++-v3/configure.ac
index bbef6c1..8f98434 100644 (file)
--- a/libstdc++-v3/configure.ac
+++ b/libstdc++-v3/configure.ac
@@ -12,7 +12,7 @@ AC_CONFIG_HEADER(config.h)
 ### am handles this now?  ORIGINAL_LD_FOR_MULTILIBS=$LD
 
 # For libtool versioning info, format is CURRENT:REVISION:AGE
-libtool_VERSION=6:10:0
+libtool_VERSION=6:11:0
 AC_SUBST(libtool_VERSION)
 
 # Find the rest of the source tree framework.
@@ -82,7 +82,9 @@ AH_TEMPLATE(VERSION, [Version number of package])
 # up critical shell variables.
 GLIBCXX_CONFIGURE
 
-AC_LIBTOOL_DLOPEN
+if test "x${with_newlib}" != "xyes"; then
+  AC_LIBTOOL_DLOPEN
+fi
 AM_PROG_LIBTOOL
 AC_SUBST(enable_shared)
 AC_SUBST(enable_static)
@@ -92,11 +94,17 @@ AC_SUBST(enable_static)
 ## than just ignoring the results.  Faster /and/ more correct, win win.
 GLIBCXX_ENABLE_HOSTED
 
-# Check for compiler support that doesn't require linking.
+# Enable compiler support that doesn't require linking.
 GLIBCXX_ENABLE_SJLJ_EXCEPTIONS
 GLIBCXX_ENABLE_PCH($is_hosted)
+GLIBCXX_ENABLE_ATOMIC_BUILTINS
+GLIBCXX_ENABLE_THREADS
 
-# Enable all the variable C++ runtime options.  
+# Checks for compiler support that don't require linking.
+GLIBCXX_CHECK_COMPILER_FEATURES
+GLIBCXX_CHECK_STANDARD_LAYOUT
+
+# Enable all the variable C++ runtime options that doesn't require linking.
 GLIBCXX_ENABLE_CSTDIO
 GLIBCXX_ENABLE_CLOCALE
 GLIBCXX_ENABLE_ALLOCATOR
@@ -107,25 +115,23 @@ GLIBCXX_ENABLE_C99([yes])
 GLIBCXX_ENABLE_CONCEPT_CHECKS([no])
 GLIBCXX_ENABLE_DEBUG_FLAGS(["-g3 -O0"])
 GLIBCXX_ENABLE_DEBUG([no])
+GLIBCXX_ENABLE_PARALLEL([yes])
 GLIBCXX_ENABLE_CXX_FLAGS
 GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING([no])
 
-# No surprises, no surprises...
-GLIBCXX_ENABLE_THREADS
-GLIBCXX_ENABLE_ATOMIC_BUILTINS
-if test $atomicity_dir = cpu/generic/atomic_mutex ; then
-  AC_MSG_WARN([No native atomic operations are provided for this platform.])
-  if test $target_thread_file = single; then
-    AC_MSG_WARN([They cannot be faked when thread support is disabled.])
-    AC_MSG_WARN([Thread-safety of certain classes is not guaranteed.])
-  else
-    AC_MSG_WARN([They will be faked using a mutex.])
-    AC_MSG_WARN([Performance of certain classes will degrade as a result.])
-  fi
-fi
+# Checks for operating systems support that don't require linking.
+GLIBCXX_CHECK_SYSTEM_ERROR
 
-GLIBCXX_CHECK_COMPILER_FEATURES
+# For the streamoff typedef.
+GLIBCXX_CHECK_INT64_T
 
+# For C99 support to TR1.
+GLIBCXX_CHECK_C99_TR1
+
+# For common values of EOF, SEEK_CUR, SEEK_END.
+GLIBCXX_CHECK_STDIO_MACROS
+
+# Only do link tests if native. Else, hardcode.
 if $GLIBCXX_IS_NATIVE; then
 
   # We can do more elaborate tests that assume a working linker.
@@ -133,7 +139,7 @@ if $GLIBCXX_IS_NATIVE; then
 
   # Check for available headers.
   AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h machine/endian.h \
-  machine/param.h sys/machine.h fp.h locale.h float.h inttypes.h gconv.h \
+  machine/param.h sys/machine.h fp.h locale.h float.h inttypes.h \
   sys/types.h sys/ipc.h sys/sem.h])
 
   GLIBCXX_CHECK_LINKER_FEATURES
@@ -151,18 +157,18 @@ if $GLIBCXX_IS_NATIVE; then
   AC_CHECK_HEADERS(sys/uio.h)
   GLIBCXX_CHECK_WRITEV
 
-  # For the __streamoff_base_type typedef.
-  GLIBCXX_CHECK_INT64_T
-
   # For LFS support.
   GLIBCXX_CHECK_LFS
 
-  # For C99 support to TR1.
-  GLIBCXX_CHECK_C99_TR1
-
   # For dev/random and dev/urandom for TR1.
   GLIBCXX_CHECK_RANDOM_TR1
 
+  # For clock_gettime support.
+  GLIBCXX_CHECK_CLOCK_GETTIME
+
+  # For gettimeofday support.
+  GLIBCXX_CHECK_GETTIMEOFDAY
+
   # For TLS support.
   GCC_CHECK_TLS
 
@@ -171,16 +177,6 @@ if $GLIBCXX_IS_NATIVE; then
 
   AC_LC_MESSAGES
 
-  AC_TRY_COMPILE(
-    [#include <setjmp.h>],
-    [sigjmp_buf env;
-     while (! sigsetjmp (env, 1))
-       siglongjmp (env, 1);
-    ],
-    [AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available.])])
-
-  AC_FUNC_MMAP
-
   # For iconv support.
   AM_ICONV
 
@@ -223,8 +219,6 @@ else
 
     # GLIBCXX_CHECK_STDLIB_SUPPORT
     AC_DEFINE(HAVE_STRTOF)        
-    # AC_FUNC_MMAP
-    AC_DEFINE(HAVE_MMAP)
 
     AC_DEFINE(HAVE_ACOSF)
     AC_DEFINE(HAVE_ASINF)
@@ -291,9 +285,12 @@ else
 
   # Assume we have _Unwind_GetIPInfo for cross-compiles.
   AC_DEFINE(HAVE_GETIPINFO)
-
 fi
 
+GCC_LINUX_FUTEX([AC_DEFINE(HAVE_LINUX_FUTEX, 1, [Define if futex syscall is available.])])
+
+GCC_HEADER_STDINT(include/gstdint.h)
+
 # This depends on GLIBCXX CHECK_LINKER_FEATURES, but without it assumes no.
 GLIBCXX_ENABLE_SYMVERS([yes])
 GLIBCXX_ENABLE_VISIBILITY([yes])
@@ -324,14 +321,18 @@ GLIBCXX_CONFIGURE_TESTSUITE
 # Propagate the target-specific source directories through the build chain.
 ATOMICITY_SRCDIR=config/${atomicity_dir}
 ATOMIC_WORD_SRCDIR=config/${atomic_word_dir}
+ATOMIC_FLAGS=${atomic_flags}
 CPU_DEFINES_SRCDIR=config/${cpu_defines_dir}
 OS_INC_SRCDIR=config/${os_include_dir}
+ERROR_CONSTANTS_SRCDIR=config/${error_constants_dir}
 ABI_TWEAKS_SRCDIR=config/${abi_tweaks_dir}
 AC_SUBST(ATOMICITY_SRCDIR)
 AC_SUBST(ATOMIC_WORD_SRCDIR)
+AC_SUBST(ATOMIC_FLAGS)
 AC_SUBST(CPU_DEFINES_SRCDIR)
 AC_SUBST(ABI_TWEAKS_SRCDIR)
 AC_SUBST(OS_INC_SRCDIR)
+AC_SUBST(ERROR_CONSTANTS_SRCDIR)
 
 
 # Determine cross-compile flags and AM_CONDITIONALs.