From dc5f05bb99b9618db11db23a74605c7a98213b1d Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Thu, 7 Jan 2016 16:42:30 -0800
Subject: [PATCH] Use --enable-new-dtags to set RUNPATH rather than RPATH so
 that LD_LIBRARY_PATH is not overridden by the application.

---
 CMakeLists.txt |  6 ++++++
 configure      | 30 ++++++++++++++++++++++++++++++
 configure.in   | 13 +++++++++++++
 3 files changed, 49 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 70c28bd3e..4c0b74916 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -958,6 +958,12 @@ elseif(UNIX AND NOT APPLE)
     set(SDL_RLD_FLAGS "")
     if(BSDI OR FREEBSD OR LINUX OR NETBSD)
       set(SDL_RLD_FLAGS "-Wl,-rpath,\${libdir}")
+      set(CMAKE_REQUIRED_FLAGS "-Wl,--enable-new-dtags")
+      check_c_compiler_flag("" HAVE_ENABLE_NEW_DTAGS)
+      set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
+      if(HAVE_ENABLE_NEW_DTAGS)
+        list(APPEND SDL_RLD_FLAGS "-Wl,--enable-new-dtags")
+      endif()
     elseif(SOLARIS)
       set(SDL_RLD_FLAGS "-R\${libdir}")
     endif()
diff --git a/configure b/configure
index e0296b49b..fd351a743 100755
--- a/configure
+++ b/configure
@@ -23763,6 +23763,36 @@ SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([^ ]*\\)/\\([^ ]*\\)\\.c,\\
 if test "x$enable_rpath" = "xyes"; then
   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then
     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
+
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker option --enable-new-dtags" >&5
+$as_echo_n "checking for linker option --enable-new-dtags... " >&6; }
+    have_enable_new_dtags=no
+    save_LDFLAGS="$LDFLAGS"
+    LDFLAGS="$LDFLAGS -Wl,--enable-new-dtags"
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+
+int
+main ()
+{
+
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+
+    have_enable_new_dtags=yes
+    SDL_RLD_FLAGS="$SDL_RLD_FLAGS -Wl,--enable-new-dtags"
+
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+    LDFLAGS="$save_LDFLAGS"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_enable_new_dtags" >&5
+$as_echo "$have_enable_new_dtags" >&6; }
   fi
   if test $ARCH = solaris; then
     SDL_RLD_FLAGS="-R\${libdir}"
diff --git a/configure.in b/configure.in
index f5fd22d14..9c3eff7cf 100644
--- a/configure.in
+++ b/configure.in
@@ -3516,6 +3516,19 @@ SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.
 if test "x$enable_rpath" = "xyes"; then
   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then
     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
+
+    AC_MSG_CHECKING(for linker option --enable-new-dtags)
+    have_enable_new_dtags=no
+    save_LDFLAGS="$LDFLAGS"
+    LDFLAGS="$LDFLAGS -Wl,--enable-new-dtags"
+    AC_TRY_LINK([
+    ],[
+    ],[
+    have_enable_new_dtags=yes
+    SDL_RLD_FLAGS="$SDL_RLD_FLAGS -Wl,--enable-new-dtags"
+    ])
+    LDFLAGS="$save_LDFLAGS"
+    AC_MSG_RESULT($have_enable_new_dtags)
   fi
   if test $ARCH = solaris; then
     SDL_RLD_FLAGS="-R\${libdir}"