From 39571e206e3cd7f7539fd2bafa08ab22e3a27f3e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ola=20S=C3=B6der?= <rolfkopman@gmail.com>
Date: Sat, 11 Oct 2025 13:46:51 +0200
Subject: [PATCH] Make it easier to control symbol exports

By not hardcoding RDYNAMIC it's possible to control exporting
from the commandline on platforms/compilers that don't support
-rdynamic.
---
 Makefile              | 2 +-
 tools/dmake/dmake.cpp | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 8dda00a2096..7bc55f4349b 100644
--- a/Makefile
+++ b/Makefile
@@ -43,7 +43,7 @@ ifdef FILESDIR
     override CPPFLAGS+=-DFILESDIR=\"$(FILESDIR)\"
 endif
 
-RDYNAMIC=-rdynamic
+RDYNAMIC?=-rdynamic
 # Set the CPPCHK_GLIBCXX_DEBUG flag. This flag is not used in release Makefiles.
 # The _GLIBCXX_DEBUG define doesn't work in Cygwin or other Win32 systems.
 ifndef COMSPEC
diff --git a/tools/dmake/dmake.cpp b/tools/dmake/dmake.cpp
index ac7bbb7faaf..740b265d6c5 100644
--- a/tools/dmake/dmake.cpp
+++ b/tools/dmake/dmake.cpp
@@ -621,7 +621,7 @@ int main(int argc, char **argv)
          << "endif\n\n";
 
     // enable backtrac
-    fout << "RDYNAMIC=-rdynamic\n";
+    fout << "RDYNAMIC?=-rdynamic\n";
 
     // The _GLIBCXX_DEBUG doesn't work in cygwin or other Win32 systems.
     fout << "# Set the CPPCHK_GLIBCXX_DEBUG flag. This flag is not used in release Makefiles.\n"