From cc4f8bcedc44920ce0a50619f4f667b28b40dffa Mon Sep 17 00:00:00 2001
From: Mikhail Glushenkov <foldr@codedgers.com>
Date: Sat, 4 Jul 2009 03:55:25 +0000
Subject: LLVMC can be now compiled w/o dynamic plugin support.

Controlled via the --enable-llvmc-dynamic-plugins option.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74784 91177308-0d34-0410-b5e6-96231b3b80d8
---
 Makefile.config.in                    |  5 +++++
 autoconf/configure.ac                 | 13 ++++++++++++-
 lib/CompilerDriver/BuiltinOptions.cpp |  3 +++
 lib/CompilerDriver/Makefile           |  4 ++++
 4 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/Makefile.config.in b/Makefile.config.in
index e715902814..e2d2c57b4d 100644
--- a/Makefile.config.in
+++ b/Makefile.config.in
@@ -303,3 +303,8 @@ BINUTILS_INCDIR := @BINUTILS_INCDIR@
 # (Windows).
 ENABLE_LLVMC_DYNAMIC = 0
 #@ENABLE_LLVMC_DYNAMIC@
+
+# When ENABLE_LLVMC_DYNAMIC_PLUGINS is enabled, LLVMC will have dynamic plugin
+# support (via the -load option).
+ENABLE_LLVMC_DYNAMIC_PLUGINS = 1
+#@ENABLE_LLVMC_DYNAMIC_PLUGINS@
diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index 3812222c6d..6b3c4caac0 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -605,12 +605,23 @@ AC_ARG_ENABLE(llvmc-dynamic,AS_HELP_STRING(
 --enable-llvmc-dynamic,
 [Link LLVMC dynamically (default is NO, unless on Win32)]),,
 enableval=$llvmc_dynamic)
-if test ${enableval} = "yes" && test "$ENABLE_PIC" -eq 1; then
+if test ${enableval} = "yes" && test "$ENABLE_PIC" -eq 1 ; then
    AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[ENABLE_LLVMC_DYNAMIC=1]])
 else
    AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[]])
 fi
 
+dnl --enable-llvmc-dynamic-plugins : should LLVMC support dynamic plugins?
+AC_ARG_ENABLE(llvmc-dynamic-plugins,AS_HELP_STRING(
+--enable-llvmc-dynamic-plugins,
+[Enable dynamic LLVMC plugins (default is YES)]),,
+enableval=yes)
+if test ${enableval} = "yes" ; then
+   AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[ENABLE_LLVMC_DYNAMIC_PLUGINS=1]])
+else
+   AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[]])
+fi
+
 dnl===-----------------------------------------------------------------------===
 dnl===
 dnl=== SECTION 4: Check for programs we need and that they are the right version
diff --git a/lib/CompilerDriver/BuiltinOptions.cpp b/lib/CompilerDriver/BuiltinOptions.cpp
index c8b768219a..a3364e8a72 100644
--- a/lib/CompilerDriver/BuiltinOptions.cpp
+++ b/lib/CompilerDriver/BuiltinOptions.cpp
@@ -12,7 +12,10 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/CompilerDriver/BuiltinOptions.h"
+
+#ifdef ENABLE_LLVMC_DYNAMIC_PLUGINS
 #include "llvm/Support/PluginLoader.h"
+#endif
 
 namespace cl = llvm::cl;
 
diff --git a/lib/CompilerDriver/Makefile b/lib/CompilerDriver/Makefile
index 6084e88518..a5ecfd5d32 100644
--- a/lib/CompilerDriver/Makefile
+++ b/lib/CompilerDriver/Makefile
@@ -25,6 +25,10 @@ REQUIRES_EH := 1
 
 include $(LEVEL)/Makefile.common
 
+ifeq ($(ENABLE_LLVMC_DYNAMIC_PLUGINS), 1)
+    CPP.Flags += -DENABLE_LLVMC_DYNAMIC_PLUGINS
+endif
+
 # Copy libCompilerDriver to the bin dir so that llvmc can find it.
 ifeq ($(ENABLE_LLVMC_DYNAMIC),1)
 
-- 
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