acinclude.m4 ([GLIBCXX_CHECK_GTHREADS]): New.

[thirdparty/gcc.git] / libstdc++-v3 / configure

diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index bbeb6f34d80baef36b107df3476b0d5dd63d6059..4287de594d8ee2dfe73681454b63f587b57e9cf2 100755 (executable)
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -14157,7 +14157,7 @@ _ACEOF
 
 
 
-# Checks for compiler support that don't require linking.
+# Checks for compiler support that doesn't require linking.
 
   # All these tests are for C++; save the language and the compiler flags.
   # The CXXFLAGS thing is suspicious, but based on similar bits previously
@@ -17363,7 +17363,7 @@ _ACEOF
   fi
 
 
-# Checks for operating systems support that don't require linking.
+# Checks for operating systems support that doesn't require linking.
 
 
 echo "$as_me:$LINENO: checking for EOWNERDEAD" >&5
@@ -21576,6 +21576,99 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
+# For gthread support
+
+
+
+  ac_ext=cc
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+
+  ac_save_CXXFLAGS="$CXXFLAGS"
+  CXXFLAGS="$CXXFLAGS -fno-exceptions -I${toplevel_srcdir}/gcc"
+
+  target_thread_file=`$CXX -v 2>&1 | sed -n 's/^Thread model: //p'`
+  case $target_thread_file in
+    posix)
+      CXXFLAGS="$CXXFLAGS -DSUPPORTS_WEAK -DGTHREAD_USE_WEAK -D_PTHREADS"
+  esac
+
+  echo "$as_me:$LINENO: checking for gthreads library" >&5
+echo $ECHO_N "checking for gthreads library... $ECHO_C" >&6
+
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include "gthr.h"
+int
+main ()
+{
+
+       #ifndef __GTHREADS_CXX0X
+       #error
+       #endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+        { ac_try='test -z "$ac_cxx_werror_flag"
+                        || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+        { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_has_gthreads=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_has_gthreads=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+
+  echo "$as_me:$LINENO: result: $ac_has_gthreads" >&5
+echo "${ECHO_T}$ac_has_gthreads" >&6
+
+  if test x"$ac_has_gthreads" = x"yes"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define _GLIBCXX_HAS_GTHREADS 1
+_ACEOF
+
+  fi
+
+  CXXFLAGS="$ac_save_CXXFLAGS"
+  ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+
 
   if test "${ac_cv_header_locale_h+set}" = set; then
   echo "$as_me:$LINENO: checking for locale.h" >&5