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-rw-r--r--project/config/cfgdefs.in2
-rw-r--r--project/config/cfgdefs.sh42
-rw-r--r--project/config/cfgdefs.usage6
-rw-r--r--project/extras.mk37
4 files changed, 87 insertions, 0 deletions
diff --git a/project/config/cfgdefs.in b/project/config/cfgdefs.in
new file mode 100644
index 0000000..191a7e7
--- /dev/null
+++ b/project/config/cfgdefs.in
@@ -0,0 +1,2 @@
+# optionally install libsltdl (also) as a libltdl drop-in replacement?
+LTDL_DROP_IN_REPLACEMENT = @ltdl_drop_in_replacement@
diff --git a/project/config/cfgdefs.sh b/project/config/cfgdefs.sh
new file mode 100644
index 0000000..ac597c9
--- /dev/null
+++ b/project/config/cfgdefs.sh
@@ -0,0 +1,42 @@
+# in projects where [ $mb_use_custom_cfgdefs = yes ],
+# cfgdefs.sh is invoked from within ./configure via
+# . $mb_project_dir/project/cfgdefs.sh
+
+# a successful return from cfgdefs.sh will be followed
+# by a second invocation of the config_copy() function,
+# reflecting any changes to common config variables
+# made by cfgdefs.sh.
+
+# finally, cfgdefs.sh may update the contents of the
+# config-time generated cfgdefs.mk.
+
+
+ltdl_drop_in_replacement='no'
+
+for arg ; do
+ case "$arg" in
+ --as-ltdl-drop-in-replacement )
+ ltdl_drop_in_replacement='yes' ;;
+
+ *)
+ error_msg ${arg#}: "unsupported config argument."
+ exit 2
+ esac
+done
+
+
+cfgdefs_output_custom_defs()
+{
+ sed \
+ -e 's/@ltdl_drop_in_replacement@/'"$ltdl_drop_in_replacement"'/g' \
+ "$mb_project_dir/project/config/cfgdefs.in" \
+ | sed -e 's/[ \t]*$//g' \
+ >> "$mb_pwd/cfgdefs.mk"
+}
+
+
+# cfgdefs.in --> cfgdefs.mk
+cfgdefs_output_custom_defs
+
+# all done
+return 0
diff --git a/project/config/cfgdefs.usage b/project/config/cfgdefs.usage
new file mode 100644
index 0000000..b9fca0e
--- /dev/null
+++ b/project/config/cfgdefs.usage
@@ -0,0 +1,6 @@
+configure: libsltdl specific switches:
+--------------------------------------
+ --as-ltdl-drop-in-replacement install additional symlinks that
+ would allow using libsltdl as a
+ drop-in replacement of the legacy
+ ltdl library.
diff --git a/project/extras.mk b/project/extras.mk
index e69de29..5aa769b 100644
--- a/project/extras.mk
+++ b/project/extras.mk
@@ -0,0 +1,37 @@
+ifeq ($(LTDL_DROP_IN_REPLACEMENT),yes)
+
+LIBLTDL_SOLINK = $(OS_LIB_PREFIX)ltdl$(OS_LIB_SUFFIX)
+LIBLTDL_ARLINK = $(OS_LIB_PREFIX)ltdl$(OS_ARCHIVE_EXT)
+LIBLTDL_IMPLIB = $(OS_LIB_PREFIX)ltdl$(OS_IMPLIB_EXT)
+
+install-headers-ltdl:
+ mkdir -p $(DESTDIR)$(INCLUDEDIR)
+ rm -f $(DESTDIR)$(INCLUDEDIR)/ltdl.h.tmp
+ ln -s sltdl/sltdl.h $(DESTDIR)$(INCLUDEDIR)/ltdl.h.tmp
+ mv $(DESTDIR)$(INCLUDEDIR)/ltdl.h.tmp $(DESTDIR)$(INCLUDEDIR)/ltdl.h
+
+install-shared-ltdl:
+ rm -f lib/libltdl.so.tmp
+ ln -s $(DSO_SOLINK) lib/libltdl.so.tmp
+ mv lib/libltdl.so.tmp $(DESTDIR)$(LIBDIR)/$(LIBLTDL_SOLINK)
+
+install-static-ltdl:
+ rm -f lib/libltdl.a.tmp
+ ln -s $(STATIC_LIB_NAME) lib/libltdl.a.tmp
+ mv lib/libltdl.a.tmp $(DESTDIR)$(LIBDIR)/$(LIBLTDL_ARLINK)
+
+install-implib-ltdl:
+ rm -f lib/libltdl.lib.a.tmp
+ ln -s $(IMP_SOLINK) lib/libltdl.lib.a.tmp
+ mv lib/libltdl.lib.a.tmp $(DESTDIR)$(LIBDIR)/$(LIBLTDL_IMPLIB)
+
+
+install-headers: install-headers-ltdl
+install-static: install-static-ltdl
+install-shared: install-shared-ltdl
+
+ifeq ($(CC_BINFMT),PE)
+install-shared: install-implib-ltdl
+endif
+
+endif