branch-1-4 / backport dunno-yo-lib patch

[Guido Draheim]

... thought it' be a good idea :-)

cheers, Guido

Index: ChangeLog
===================================================================
RCS file: /cvsroot/libtool/libtool/ChangeLog,v
retrieving revision 1.922.2.65
diff -u -r1.922.2.65 ChangeLog
--- ChangeLog   2001/09/22 16:53:55     1.922.2.65
+++ ChangeLog   2001/09/22 17:54:48
@@ -1,3 +1,7 @@
+2001-09-23  Guido Draheim <address@hidden>
+        * ltmain.in: Display better and different error messages when
+        library linkage fails in various ways.
+       
 2001-09-22  Albert Chin-A-Young  <address@hidden>
 
        * ltdl.m4 (AC_LTDL_DLLIB): Even though HP-UX 10.20 and 11.00

Index: ltmain.in
===================================================================
RCS file: /cvsroot/libtool/libtool/ltmain.in,v
retrieving revision 1.259.2.11
diff -u -r1.259.2.11 ltmain.in
--- ltmain.in   2001/09/21 20:16:31     1.259.2.11
+++ ltmain.in   2001/09/22 17:54:27
@@ -1461,10 +1461,12 @@
          lib)
            if test "$deplibs_check_method" != pass_all; then
              echo
-             echo "*** Warning: This library needs some functionality provided 
by $deplib."
+             echo "*** Warning: Trying to link with static lib archive 
$deplib."
              echo "*** I have the capability to make that library 
automatically link in when"
              echo "*** you link to this library.  But I can only do this if 
you have a"
-             echo "*** shared version of the library, which you do not appear 
to have."
+             echo "*** shared version of the library, which you do not appear 
to have"
+             echo "*** because the file extensions .$libext of this argument 
makes me believe"
+             echo "*** that it is just a static archive that I should not used 
here."
            else
              echo
              echo "*** Warning: Linking the shared library $output against the"
@@ -1926,13 +1928,14 @@
            # Just print a warning and add the library to dependency_libs so
            # that the program can be linked against the static library.
            echo
-           echo "*** Warning: This library needs some functionality provided 
by $lib."
+           echo "*** Warning: This system can not link to static lib archive 
$lib."
            echo "*** I have the capability to make that library automatically 
link in when"
            echo "*** you link to this library.  But I can only do this if you 
have a"
            echo "*** shared version of the library, which you do not appear to 
have."
            if test "$module" = yes; then
-             echo "*** Therefore, libtool will create a static module, that 
should work "
-             echo "*** as long as the dlopening application is linked with the 
-dlopen flag."
+             echo "*** But as you try to build a module library, libtool will 
still create "
+             echo "*** a static module, that should work as long as the 
dlopening application"
+             echo "*** is linked with the -dlopen flag to resolve symbols at 
runtime."
              if test -z "$global_symbol_pipe"; then
                echo
                echo "*** However, this would only work if libtool was able to 
extract symbol"
@@ -2502,10 +2505,12 @@
                else
                  droppeddeps=yes
                  echo
-                 echo "*** Warning: This library needs some functionality 
provided by $i."
+                 echo "*** Warning: dynamic linker does not accept needed 
library $i."
                  echo "*** I have the capability to make that library 
automatically link in when"
                  echo "*** you link to this library.  But I can only do this 
if you have a"
-                 echo "*** shared version of the library, which you do not 
appear to have."
+                 echo "*** shared version of the library, which I believe you 
do not have" 
+                 echo "*** because a test_compile did reveal that the linker 
did not use it for"
+                 echo "*** its dynamic dependency list that programs get 
resolved with at runtime."
                fi
              else
                newdeplibs="$newdeplibs $i"
@@ -2532,10 +2537,12 @@
                  else
                    droppeddeps=yes
                    echo
-                   echo "*** Warning: This library needs some functionality 
provided by $i."
+                   echo "*** Warning: dynamic linker does not accept needed 
library $i."
                    echo "*** I have the capability to make that library 
automatically link in when"
                    echo "*** you link to this library.  But I can only do this 
if you have a"
-                   echo "*** shared version of the library, which you do not 
appear to have."
+                   echo "*** shared version of the library, which you do not 
appear to have"
+                   echo "*** because a test_compile did reveal that the linker 
did not use this one"
+                   echo "*** as a dynamic dependency that programs can get 
resolved with at runtime."
                  fi
                else
                  droppeddeps=yes
@@ -2592,10 +2599,17 @@
              if test -n "$a_deplib" ; then
                droppeddeps=yes
                echo
-               echo "*** Warning: This library needs some functionality 
provided by $a_deplib."
+               echo "*** Warning: linker path does not have real file for 
library $a_deplib."
                echo "*** I have the capability to make that library 
automatically link in when"
                echo "*** you link to this library.  But I can only do this if 
you have a"
-               echo "*** shared version of the library, which you do not 
appear to have."
+               echo "*** shared version of the library, which you do not 
appear to have"
+               echo "*** because I did check the linker path looking for a 
file starting"
+               if test -z "$potlib" ; then
+                 echo "*** with $libname but no candidates were found. (...for 
file magic test)"
+               else
+                 echo "*** with $libname and none of the candidates passed a 
file format test"
+                 echo "*** using a file magic. Last file checked: $potlib"
+               fi
              fi
            else
              # Add a -L argument.
@@ -2614,6 +2628,7 @@
              for i in $lib_search_path $sys_lib_search_path 
$shlib_search_path; do
                potential_libs=`ls $i/$libname[.-]* 2>/dev/null`
                for potent_lib in $potential_libs; do
+                 potlib="$potent_lib" # see symlink-check below in file_magic 
test
                  if eval echo \"$potent_lib\" 2>/dev/null \
                      | sed 10q \
                      | egrep "$match_pattern_regex" > /dev/null; then
@@ -2626,10 +2641,17 @@
              if test -n "$a_deplib" ; then
                droppeddeps=yes
                echo
-               echo "*** Warning: This library needs some functionality 
provided by $a_deplib."
+               echo "*** Warning: linker path does not have real file for 
library $a_deplib."
                echo "*** I have the capability to make that library 
automatically link in when"
                echo "*** you link to this library.  But I can only do this if 
you have a"
-               echo "*** shared version of the library, which you do not 
appear to have."
+               echo "*** shared version of the library, which you do not 
appear to have"
+               echo "*** because I did check the linker path looking for a 
file starting"
+               if test -z "$potlib" ; then
+                 echo "*** with $libname but no candidates were found. (...for 
regex pattern test)"
+               else
+                 echo "*** with $libname and none of the candidates passed a 
file format test"
+                 echo "*** using a regex pattern. Last file checked: $potlib"
+               fi
              fi
            else
              # Add a -L argument.