generate libpd.def

configure.ac

@@ -110,6 +110,8 @@ AC_SUBST(EXTERNAL_EXTENSION)
 AC_SUBST(EXTERNAL_CFLAGS)
 AC_SUBST(EXTERNAL_LDFLAGS)
 
+PD_LD_OUTPUT_DEF
+
 dnl Checks for libraries.
 AC_CHECK_LIB([dl], [dlopen])
 AC_CHECK_LIBM

m4/lib-msvc-compat.m4

@@ -0,0 +1,32 @@
+# ld-output-def.m4 serial 2
+dnl Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Simon Josefsson
+dnl see http://www.gnu.org/software/hello/manual/gnulib/Visual-Studio-Compatibility.html
+
+
+# PD_LD_OUTPUT_DEF()
+# -------------
+# Check if linker supports -Wl,--output-def and define automake
+# conditional HAVE_LD_OUTPUT_DEF if it is.
+AC_DEFUN([PD_LD_OUTPUT_DEF],
+[
+  AC_CACHE_CHECK([if gcc/ld supports -Wl,--output-def],
+    [pd_cv_ld_output_def],
+    [if test "$enable_shared" = no; then
+       pd_cv_ld_output_def="not needed, shared libraries are disabled"
+     else
+       pd_ldflags_save=$LDFLAGS
+       LDFLAGS="-Wl,--output-def,conftest.def"
+       AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
+                   [pd_cv_ld_output_def=yes],
+                   [pd_cv_ld_output_def=no])
+       rm -f conftest.def
+       LDFLAGS="$pd_ldflags_save"
+     fi])
+  AM_CONDITIONAL([HAVE_LD_OUTPUT_DEF], test "x$pd_cv_ld_output_def" = "xyes")
+])
+

src/Makefile.am

@@ -1,20 +1,12 @@
 AUTOMAKE_OPTIONS = foreign
 
-# on windows we want the libpd to be installed, else we just do static linkeage
-lib_LTLIBRARIES = 
-noinst_LTLIBRARIES =
-
-if WINDOWS
-lib_LTLIBRARIES += libpd.la
-else
-noinst_LTLIBRARIES += libpd.la
-endif
 
 pd_LDADD = libpd.la
 pd_LDFLAGS = 
 pd_SOURCES = s_entry.c
 nodist_EXTRA_pd_SOURCES = 
 
+noinst_LTLIBRARIES = libpd.la
 libpd_la_CFLAGS = -DPD -DINSTALL_PREFIX=\"$(prefix)\"
 libpd_la_LDFLAGS =
 
@@ -157,5 +149,12 @@ pdsend_CFLAGS += -DMSW #kludge, should use _WIN32
 pdreceive_CFLAGS += -DMSW #kludge, should use _WIN32
 endif
 
+
+if HAVE_LD_OUTPUT_DEF
+pd_LDFLAGS += -Wl,--output-def,pd.def
+defexecdir = $(bindir)
+defexec_DATA = pd.def
+endif
+
 etags: TAGS
 	etags --append --language=none --regex="/proc[ \t]+\([^ \t]+\)/\1/" *.tcl