gas/

[deliverable/binutils-gdb.git] / gdb / configure

diff --git a/gdb/configure b/gdb/configure
index 5a6d0bed4841db14d787e081c603db0d1da852d7..92818a0a0e00d0d9994b6ed59526146be2eaefb2 100755 (executable)
--- a/gdb/configure
+++ b/gdb/configure
@@ -10658,8 +10658,23 @@ fi
 
   have_libpython=no
   if test "${have_python_config}" = yes; then
+    # Determine the Python version by extracting "-lpython<version>"
+    # part of the python_libs. <version> is usually X.Y with X and Y
+    # being decimal numbers, but can also be XY (seen on Windows).
+    #
+    # The extraction is performed using sed with a regular expression.
+    # Initially, the regexp used was using the '?' quantifier to make
+    # the dot in the version number optional.  Unfortunately, this
+    # does not work with non-GNU versions of sed because, because of
+    # what looks like a limitation (the '?' quantifier does not work
+    # with back-references).  We work around this limitation by using
+    # the '*' quantifier instead.  It means that, in theory, we might
+    # match unexpected version strings such as "-lpython2..7", but
+    # this seems unlikely in practice.  And even if that happens,
+    # an error will be triggered later on, when checking that version
+    # number.
     python_version=`echo " ${python_libs} " \
-                         | sed -e 's,^.* -l\(python[0-9]*[.]\?[0-9]*\).*$,\1,'`
+                         | sed -e 's,^.* -l\(python[0-9]*[.]*[0-9]*\).*$,\1,'`
     case "${python_version}" in
     python*)
 
@@ -14472,6 +14487,22 @@ $as_echo "$gdb_cv_have_aix_thread_debug" >&6; }
          CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
          CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
          CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
+
+         # Older versions of AIX do not provide the declaration for
+         # the getthrds function (it appears that it was introduced
+         # with AIX 6.x).
+         ac_fn_c_check_decl "$LINENO" "getthrds" "ac_cv_have_decl_getthrds" "#include <procinfo.h>
+"
+if test "x$ac_cv_have_decl_getthrds" = x""yes; then :
+  ac_have_decl=1
+else
+  ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_GETTHRDS $ac_have_decl
+_ACEOF
+
       fi
       ;;
    esac