build/configure: Add support for --with-extra-ld-options flag (to pro…

…vide extra options just to pass to ld). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133206 91177308-0d34-0410-b5e6-96231b3b80d8
yws · Jun 16, 2011 · e2a91a7 · e2a91a7
1 parent dc9c76a
commit e2a91a7
Show file tree

Hide file tree

Showing 3 changed files with 18 additions and 0 deletions.
diff --git a/Makefile.config.in b/Makefile.config.in
@@ -123,6 +123,9 @@ TARGET_TRIPLE=@target@
 # Extra options to compile LLVM with
 EXTRA_OPTIONS=@EXTRA_OPTIONS@
 
+# Extra options to link LLVM with
+EXTRA_LD_OPTIONS=@EXTRA_LD_OPTIONS@
+
 # Endian-ness of the target
 ENDIAN=@ENDIAN@
 

diff --git a/Makefile.rules b/Makefile.rules
@@ -582,6 +582,10 @@ endif
 # Options To Invoke Tools
 #----------------------------------------------------------
 
+ifdef EXTRA_LD_OPTIONS
+LD.Flags += $(EXTRA_LD_OPTIONS)
+endif
+
 ifndef NO_PEDANTIC
 CompileCommonOpts += -pedantic -Wno-long-long
 endif

diff --git a/autoconf/configure.ac b/autoconf/configure.ac
@@ -831,6 +831,17 @@ case "$withval" in
 esac
 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
 
+dnl Specify extra linker build options
+AC_ARG_WITH(extra-ld-options,
+  AS_HELP_STRING([--with-extra-ld-options],
+                 [Specify additional options to link LLVM with]),,
+                 withval=default)
+case "$withval" in
+  default) EXTRA_LD_OPTIONS= ;;
+  *) EXTRA_LD_OPTIONS=$withval ;;
+esac
+AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
+
 dnl Allow specific bindings to be specified for building (or not)
 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
     [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,