1 files changed, 39 insertions, 0 deletions
diff --git a/plugins/sid/sidplay-libs/builders/resid-builder/acinclude.m4 b/plugins/sid/sidplay-libs/builders/resid-builder/acinclude.m4
new file mode 100644
index 00000000..5fcfce10
--- /dev/null
+++ b/plugins/sid/sidplay-libs/builders/resid-builder/acinclude.m4
@@ -0,0 +1,39 @@
+dnl -------------------------------------------------------------------------
+dnl Try to find resid includes and library.
+dnl -------------------------------------------------------------------------
+
+AC_DEFUN(SID2_FIND_LIBRESID,
+[
+    if test "$SID2_LIB_CHECK" != "0"; then
+        MY_FIND_LIB(resid,,,resid/sid.h sid.h,SID *mySID,sid2_header)
+    else
+        MY_FIND_LIB_NO_CHECK(resid,resid/sid.h sid.h,sid2_header)
+    fi
+
+    dnl list exported variables here so end up in makefile
+    AC_SUBST(LIBRESID_CXXFLAGS)
+    AC_SUBST(LIBRESID_LDFLAGS)
+
+    if test "$sid2_header" = sid.h; then
+        AC_DEFINE(HAVE_USER_RESID,,
+          [Define this to \#include sid.h instead of resid/resid.h]
+        )
+    fi
+
+    if test "$SID2_LIB_CHECK" != "0"; then    
+        AC_MSG_CHECKING([for extended resid features])
+        MY_TRY_COMPILE($LIBRESID_CXXFLAGS,$LIBRESID_LDFLAGS,$sid2_header,SID mySID;
+                       mySID.mute(0,true),sid2_works)
+
+        if test "$sid2_works" = NO; then
+            AC_MSG_RESULT(no);
+            # Found non patched version of resid
+            AC_MSG_ERROR([
+resid requires patching to function with sidplay2.
+Patches are available from http://sidplay2.sourceforge.net
+            ])
+        else
+            AC_MSG_RESULT(yes);
+        fi
+    fi
+])