From 778a4577d4db949db3f0aadc32fc227ac025bc56 Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Wed, 31 Mar 2021 10:38:53 +0200
Subject: Move quadruple_dlopen() to Fl_Posix_System_Driver.cxx where it's
 used.

---
 src/drivers/Posix/Fl_Posix_System_Driver.cxx | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'src/drivers/Posix')

diff --git a/src/drivers/Posix/Fl_Posix_System_Driver.cxx b/src/drivers/Posix/Fl_Posix_System_Driver.cxx
index f9324428b..4a8ccda3c 100644
--- a/src/drivers/Posix/Fl_Posix_System_Driver.cxx
+++ b/src/drivers/Posix/Fl_Posix_System_Driver.cxx
@@ -171,6 +171,30 @@ int Fl_Posix_System_Driver::run_program(const char *program, char **argv, char *
   return 1;
 }
 
+
+#if HAVE_DLSYM && HAVE_DLFCN_H
+static void* quadruple_dlopen(const char *libname)
+{
+  char filename2[FL_PATH_MAX];
+  sprintf(filename2, "%s.so", libname);
+  void *ptr = dlopen(filename2, RTLD_LAZY | RTLD_GLOBAL);
+  if (!ptr) {
+    sprintf(filename2, "%s.so.2", libname);
+    ptr = dlopen(filename2, RTLD_LAZY | RTLD_GLOBAL);
+    if (!ptr) {
+      sprintf(filename2, "%s.so.1", libname);
+      ptr = dlopen(filename2, RTLD_LAZY | RTLD_GLOBAL);
+      if (!ptr) {
+        sprintf(filename2, "%s.so.0", libname);
+        ptr = dlopen(filename2, RTLD_LAZY | RTLD_GLOBAL);
+      }
+    }
+  }
+  return ptr;
+}
+#endif
+
+
 /**
  Returns the run-time address of a function or of a shared library.
  \param lib_name shared library name (without its extension) or NULL to search the function in the running program
-- 
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