[Guile-commits] GNU Guile branch, master, updated. release_1-9-3-83-g96e15df

[Ludovic Courtès]

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- Log -----------------------------------------------------------------
commit 96e15df109ccfdcc2f6b2cffc0b64a083f000903
Author: Ludovic Courtès <address@hidden>
Date:   Thu Oct 15 23:52:00 2009 +0200

    Improve TLS detection for systems with compiler support but no libc support.
    
    * acinclude.m4 (GUILE_THREAD_LOCAL_STORAGE): Use `AC_LINK_IFELSE'
      instead of `AC_COMPILE_IFELSE'.

commit d94dcf59c684c3cf52c148ebd3867b0e98b6faa0
Author: Ludovic Courtès <address@hidden>
Date:   Thu Oct 15 23:31:57 2009 +0200

    Bump version number for 1.9.4.
    
    * GUILE-VERSION (GUILE_MICRO_VERSION): Increment.

-----------------------------------------------------------------------

Summary of changes:
 GUILE-VERSION |    2 +-
 acinclude.m4  |    7 +++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/GUILE-VERSION b/GUILE-VERSION
index b47c620..7ec8d74 100644
--- a/GUILE-VERSION
+++ b/GUILE-VERSION
@@ -2,7 +2,7 @@
 
 GUILE_MAJOR_VERSION=1
 GUILE_MINOR_VERSION=9
-GUILE_MICRO_VERSION=3
+GUILE_MICRO_VERSION=4
 
 GUILE_EFFECTIVE_VERSION=${GUILE_MAJOR_VERSION}.${GUILE_MINOR_VERSION}
 GUILE_VERSION=${GUILE_EFFECTIVE_VERSION}.${GUILE_MICRO_VERSION}
diff --git a/acinclude.m4 b/acinclude.m4
index ed537d0..43a227b 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -341,8 +341,11 @@ dnl Check for compiler thread-local storage (TLS) support.
 AC_DEFUN([GUILE_THREAD_LOCAL_STORAGE], [
   AC_CACHE_CHECK([whether the `__thread' storage class is available],
     [ac_cv_have_thread_storage_class],
-    [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([__thread int tls_integer;],
-                         [tls_integer = 123;])],
+    [dnl On some systems, e.g., NetBSD 5.0 with GCC 4.1, `__thread' is
+     dnl properly compiled but fails to link due to the lack of TLS
+     dnl support in the C library.  Thus we try to link, not just compile.
+     AC_LINK_IFELSE([AC_LANG_PROGRAM([__thread int tls_integer;],
+                     [tls_integer = 123;])],
        [ac_cv_have_thread_storage_class="yes"],
        [ac_cv_have_thread_storage_class="no"])])
 


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