[SCM] GNU Libtool branch, master, updated. v2.4.5-4-g6c822af

[Gary V. Vaughan]

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- Log -----------------------------------------------------------------
commit 6c822af50ff8343b20862c1a207f90c122fc9bcf
Author: Pavel Raiskup <address@hidden>
Date:   Tue Jan 20 16:12:59 2015 +0000

    libtool: respect config.site LT_SYS_LIBRARY_PATH
    
    Libtool generator code needs to remember the configure time
    LT_SYS_LIBRARY_PATH content to allow config.status properly
    instantiate default LT_SYS_LIBRARY_PATH libtool run-time value;
    Thats because config.status has no idea what the contents of
    config.site file is (by default).
    * m4/libtool.m4 (_LT_CONFIG): Use the _LT_DECLared
    $configure_time_lt_sys_library_path variable as the default for
    LT_SYS_DLSEARCH_PATH at run-time.
    (_LT_SYS_DYNAMIC_LINKER): Don't change ac_cv_* variable if it is
    not necessary. New $configure_time_lt_sys_library_path variable.
    * NEWS: Update.
    
    Signed-off-by: Gary V. Vaughan <address@hidden>

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

Summary of changes:
 NEWS          |    7 ++++++-
 m4/libtool.m4 |   18 +++++++++++-------
 2 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/NEWS b/NEWS
index c382c70..7369127 100644
--- a/NEWS
+++ b/NEWS
@@ -2,12 +2,17 @@ NEWS - list of user-visible changes between releases of GNU 
Libtool
 
 * Noteworthy changes in release ?.? (????-??-??) [?]
 
+** New features:
+
+  - LT_SYS_LIBRARY_PATH can be set in config.site, or at configure time
+    and persists correctly in the generated libtool script.
+
 ** Bug fixes:
 
   - Fix a race condition in ltdl dryrun test that would cause spurious
     random failures of that test.
 
-  - LT_SYS_SEARCHPATH is munged correctly.
+  - LT_SYS_DLSEARCH_PATH is munged correctly.
 
 
 * Noteworthy changes in release 2.4.5 (2015-01-19) [stable]
diff --git a/m4/libtool.m4 b/m4/libtool.m4
index 18d0193..a3bc337 100644
--- a/m4/libtool.m4
+++ b/m4/libtool.m4
@@ -738,7 +738,7 @@ _LT_COPYING
 _LT_LIBTOOL_TAGS
 
 # Configured defaults for sys_lib_dlsearch_path munging.
-: \${LT_SYS_LIBRARY_PATH="$LT_SYS_LIBRARY_PATH"}
+: \${LT_SYS_LIBRARY_PATH="$configure_time_lt_sys_library_path"}
 
 # ### BEGIN LIBTOOL CONFIG
 _LT_LIBTOOL_CONFIG_VARS
@@ -3101,13 +3101,15 @@ if test set = 
"${lt_cv_sys_lib_dlsearch_path_spec+set}"; then
   sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec
 fi
 
-# lt_cv_sys_lib... is unaugmented for libtool script decls...
-lt_cv_sys_lib_dlsearch_path_spec=$sys_lib_dlsearch_path_spec
+# remember unaugmented sys_lib_dlsearch_path content for libtool script 
decls...
+configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec
 
-# ..but sys_lib_... needs LT_SYS_LIBRARY_PATH munging for
-# LT_SYS_DLSEARCH_PATH macro in ltdl.m4 to work with the correct paths:
+# ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code
 func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH"
 
+# to be used as default LT_SYS_LIBRARY_PATH value in generated libtool
+configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH
+
 _LT_DECL([], [variables_saved_for_relink], [1],
     [Variables whose values should be saved in libtool wrapper scripts and
     restored at link time])
@@ -3140,8 +3142,10 @@ _LT_DECL([], [hardcode_into_libs], [0],
     [Whether we should hardcode library paths into libraries])
 _LT_DECL([], [sys_lib_search_path_spec], [2],
     [Compile-time system search path for libraries])
-_LT_DECL([sys_lib_dlsearch_path_spec], [lt_cv_sys_lib_dlsearch_path_spec], [2],
-    [Run-time system search path for libraries])
+_LT_DECL([sys_lib_dlsearch_path_spec], [configure_time_dlsearch_path], [2],
+    [Detected run-time system search path for libraries])
+_LT_DECL([], [configure_time_lt_sys_library_path], [2],
+    [Explicit LT_SYS_LIBRARY_PATH set during ./configure time])
 ])# _LT_SYS_DYNAMIC_LINKER
 
 


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