Roll back r96959 again.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96981 91177308-0d34-0410-b5e6-96231b3b80d8

13 files changed, 12 insertions, 169 deletions

diff --git a/Makefile b/Makefile
index f76f6b77bd..20395e9470 100644
--- a/Makefile
+++ b/Makefile
@@ -30,8 +30,8 @@ ifeq ($(BUILD_DIRS_ONLY),1)
   DIRS := lib/System lib/Support utils
   OPTIONAL_DIRS :=
 else
-  DIRS := lib/System lib/Support utils lib/VMCore lib tools/llvm-shlib \
-          tools/llvm-config tools runtime docs unittests
+  DIRS := lib/System lib/Support utils lib/VMCore lib tools/llvm-config \
+          tools runtime docs unittests
   OPTIONAL_DIRS := projects bindings
 endif
 
diff --git a/Makefile.config.in b/Makefile.config.in
index d59c81b831..5d8645fef9 100644
--- a/Makefile.config.in
+++ b/Makefile.config.in
@@ -262,11 +262,6 @@ ENABLE_THREADS := @ENABLE_THREADS@
 # Do we want to build with position independent code?
 ENABLE_PIC := @ENABLE_PIC@
 
-# Do we want to link the tools shared?
-ifndef ENABLE_SHARED
-  ENABLE_SHARED := @ENABLE_SHARED@
-endif
-
 # Use -fvisibility-inlines-hidden?
 ENABLE_VISIBILITY_INLINES_HIDDEN := @ENABLE_VISIBILITY_INLINES_HIDDEN@
 
@@ -277,9 +272,6 @@ ENABLE_VISIBILITY_INLINES_HIDDEN := @ENABLE_VISIBILITY_INLINES_HIDDEN@
 # Enable JIT for this platform
 TARGET_HAS_JIT = @TARGET_HAS_JIT@
 
-# Environment variable to set to change the runtime shared library search path.
-SHLIBPATH_VAR = @SHLIBPATH_VAR@
-
 # Shared library extension for host platform.
 SHLIBEXT = @SHLIBEXT@
 
diff --git a/Makefile.rules b/Makefile.rules
index b5b35256b7..db52985179 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -623,12 +623,11 @@ endif
 ifneq ($(HOST_OS),Darwin)
 ifneq ($(DARWIN_MAJVERS),4)
 ifdef TOOLNAME
-  LD.Flags += $(RPATH) -Wl,'$$ORIGIN/../lib'
-  ifdef EXAMPLE_TOOL
-    LD.Flags += $(RPATH) -Wl,$(ExmplDir) $(RDYNAMIC)
-  else
-    LD.Flags += $(RPATH) -Wl,$(ToolDir) $(RDYNAMIC)
-  endif
+ifdef EXAMPLE_TOOL
+  LD.Flags += $(RPATH) -Wl,$(ExmplDir) $(RDYNAMIC)
+else
+  LD.Flags += $(RPATH) -Wl,$(ToolDir) $(RDYNAMIC)
+endif
 endif
 endif
 endif
@@ -961,16 +960,11 @@ $(LLVM_CONFIG):
 
 $(ToolDir)/$(strip $(TOOLNAME))$(EXEEXT): $(LLVM_CONFIG)
 
-ifeq ($(ENABLE_SHARED), 1)
-LLVMLibsOptions += -lLLVM-$(LLVMVersion)
-LLVMLibsPaths += $(LibDir)/libLLVM-$(LLVMVersion)$(SHLIBEXT)
-else
 LLVMLibsOptions += $(shell $(LLVM_CONFIG) --libs     $(LINK_COMPONENTS))
 LLVMLibsPaths   += $(LLVM_CONFIG) \
                    $(shell $(LLVM_CONFIG) --libfiles $(LINK_COMPONENTS))
 endif
 endif
-endif
 
 ###############################################################################
 # Library Build Rules: Four ways to build a library
@@ -1175,13 +1169,11 @@ endif
 #   If neither BUILD_ARCHIVE or LOADABLE_MODULE are specified, default to
 #   building an archive.
 #---------------------------------------------------------
-ifndef NO_BUILD_ARCHIVE
 ifndef BUILD_ARCHIVE
 ifndef LOADABLE_MODULE
 BUILD_ARCHIVE = 1
 endif
 endif
-endif
 
 #---------------------------------------------------------
 # Archive Library Targets:
diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index c354411a16..d785c362e2 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -472,18 +472,6 @@ esac
 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
                    [Define if position independent code is enabled])
 
-dnl Allow linking tools against the shared library.
-AC_ARG_ENABLE(shared,
-  AS_HELP_STRING([--enable-shared],
-                 [Link LLVM tools shared (default is NO)]),,
-                 enableval=default)
-case "$enableval" in
-  yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
-  no)  AC_SUBST(ENABLE_SHARED,[0]) ;;
-  default) AC_SUBST(ENABLE_SHARED,[0]) ;;
-  *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
-esac
-
 dnl Allow specific targets to be specified for building (or not)
 TARGETS_TO_BUILD=""
 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
@@ -1348,10 +1336,6 @@ dnl Propagate the shared library extension that the libltdl checks did to
 dnl the Makefiles so we can use it there too
 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
 
-dnl Propagate the run-time library path variable that the libltdl
-dnl checks found to the Makefiles so we can use it there too
-AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
-
 # Translate the various configuration directories and other basic
 # information into substitutions that will end up in Makefile.config.in
 # that these configured values can be used by the makefiles
diff --git a/configure b/configure
index 7200ee11ec..574961135b 100755
--- a/configure
+++ b/configure
@@ -689,7 +689,6 @@ TARGET_HAS_JIT
 ENABLE_DOXYGEN
 ENABLE_THREADS
 ENABLE_PIC
-ENABLE_SHARED
 TARGETS_TO_BUILD
 LLVM_ENUM_TARGETS
 LLVM_ENUM_ASM_PRINTERS
@@ -771,7 +770,6 @@ LLVMCC1PLUS
 LLVMGCCDIR
 LLVMGCC_LANGS
 SHLIBEXT
-SHLIBPATH_VAR
 LLVM_PREFIX
 LLVM_BINDIR
 LLVM_LIBDIR
@@ -1404,7 +1402,6 @@ Optional Features:
   --enable-threads        Use threads if available (default is YES)
   --enable-pic            Build LLVM with Position Independent Code (default
                           is YES)
-  --enable-shared         Link LLVM tools shared (default is NO)
   --enable-targets        Build specific host targets: all or
                           target1,target2,... Valid targets are: host, x86,
                           x86_64, sparc, powerpc, alpha, arm, mips, spu,
@@ -4870,25 +4867,6 @@ cat >>confdefs.h <<_ACEOF
 _ACEOF
 
 
-# Check whether --enable-shared was given.
-if test "${enable_shared+set}" = set; then
-  enableval=$enable_shared;
-else
-  enableval=default
-fi
-
-case "$enableval" in
-  yes) ENABLE_SHARED=1
- ;;
-  no)  ENABLE_SHARED=0
- ;;
-  default) ENABLE_SHARED=0
- ;;
-  *) { { echo "$as_me:$LINENO: error: Invalid setting for --enable-shared. Use \"yes\" or \"no\"" >&5
-echo "$as_me: error: Invalid setting for --enable-shared. Use \"yes\" or \"no\"" >&2;}
-   { (exit 1); exit 1; }; } ;;
-esac
-
 TARGETS_TO_BUILD=""
 # Check whether --enable-targets was given.
 if test "${enable_targets+set}" = set; then
@@ -11132,7 +11110,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 11130 "configure"
+#line 11108 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -19713,9 +19691,6 @@ fi
 SHLIBEXT=$libltdl_cv_shlibext
 
 
-SHLIBPATH_VAR=$libltdl_cv_shlibpath_var
-
-
 # Translate the various configuration directories and other basic
 # information into substitutions that will end up in Makefile.config.in
 # that these configured values can be used by the makefiles
@@ -20773,7 +20748,6 @@ TARGET_HAS_JIT!$TARGET_HAS_JIT$ac_delim
 ENABLE_DOXYGEN!$ENABLE_DOXYGEN$ac_delim
 ENABLE_THREADS!$ENABLE_THREADS$ac_delim
 ENABLE_PIC!$ENABLE_PIC$ac_delim
-ENABLE_SHARED!$ENABLE_SHARED$ac_delim
 TARGETS_TO_BUILD!$TARGETS_TO_BUILD$ac_delim
 LLVM_ENUM_TARGETS!$LLVM_ENUM_TARGETS$ac_delim
 LLVM_ENUM_ASM_PRINTERS!$LLVM_ENUM_ASM_PRINTERS$ac_delim
@@ -20783,6 +20757,7 @@ ENABLE_CBE_PRINTF_A!$ENABLE_CBE_PRINTF_A$ac_delim
 CLANGPATH!$CLANGPATH$ac_delim
 CLANGXXPATH!$CLANGXXPATH$ac_delim
 ENABLE_BUILT_CLANG!$ENABLE_BUILT_CLANG$ac_delim
+OPTIMIZE_OPTION!$OPTIMIZE_OPTION$ac_delim
 _ACEOF
 
   if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 97; then
@@ -20824,7 +20799,6 @@ _ACEOF
 ac_delim='%!_!# '
 for ac_last_try in false false false false false :; do
   cat >conf$$subs.sed <<_ACEOF
-OPTIMIZE_OPTION!$OPTIMIZE_OPTION$ac_delim
 EXTRA_OPTIONS!$EXTRA_OPTIONS$ac_delim
 BINUTILS_INCDIR!$BINUTILS_INCDIR$ac_delim
 ENABLE_LLVMC_DYNAMIC!$ENABLE_LLVMC_DYNAMIC$ac_delim
@@ -20896,7 +20870,6 @@ LLVMCC1PLUS!$LLVMCC1PLUS$ac_delim
 LLVMGCCDIR!$LLVMGCCDIR$ac_delim
 LLVMGCC_LANGS!$LLVMGCC_LANGS$ac_delim
 SHLIBEXT!$SHLIBEXT$ac_delim
-SHLIBPATH_VAR!$SHLIBPATH_VAR$ac_delim
 LLVM_PREFIX!$LLVM_PREFIX$ac_delim
 LLVM_BINDIR!$LLVM_BINDIR$ac_delim
 LLVM_LIBDIR!$LLVM_LIBDIR$ac_delim
@@ -20917,7 +20890,7 @@ LIBOBJS!$LIBOBJS$ac_delim
 LTLIBOBJS!$LTLIBOBJS$ac_delim
 _ACEOF
 
-  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 91; then
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 89; then
     break
   elif $ac_last_try; then
     { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
diff --git a/examples/BrainF/Makefile b/examples/BrainF/Makefile
index 2e2cb6d1ae..2c3e066252 100644
--- a/examples/BrainF/Makefile
+++ b/examples/BrainF/Makefile
@@ -9,9 +9,6 @@
 LEVEL = ../..
 TOOLNAME = BrainF
 EXAMPLE_TOOL = 1
-# To keep the shared library working, we link a few of the examples
-# against it unconditionally.
-ENABLE_SHARED = 1
 
 LINK_COMPONENTS := jit bitwriter nativecodegen interpreter
 
diff --git a/examples/Fibonacci/Makefile b/examples/Fibonacci/Makefile
index d89119add7..71f6ba0ef5 100644
--- a/examples/Fibonacci/Makefile
+++ b/examples/Fibonacci/Makefile
@@ -10,9 +10,6 @@
 LEVEL = ../..
 TOOLNAME = Fibonacci
 EXAMPLE_TOOL = 1
-# To keep the shared library working, we link a few of the examples
-# against it unconditionally.
-ENABLE_SHARED = 1
 
 # Link in JIT support
 LINK_COMPONENTS := jit interpreter nativecodegen
diff --git a/examples/HowToUseJIT/Makefile b/examples/HowToUseJIT/Makefile
index c61e9e12b8..c8919db90c 100644
--- a/examples/HowToUseJIT/Makefile
+++ b/examples/HowToUseJIT/Makefile
@@ -9,9 +9,6 @@
 LEVEL = ../..
 TOOLNAME = HowToUseJIT
 EXAMPLE_TOOL = 1
-# To keep the shared library working, we link a few of the examples
-# against it unconditionally.
-ENABLE_SHARED = 1
 
 LINK_COMPONENTS := jit interpreter nativecodegen
 
diff --git a/test/Makefile b/test/Makefile
index 3750fdb2f1..1ae54f45e3 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -198,6 +198,4 @@ Unit/lit.site.cfg: $(PROJ_OBJ_DIR)/Unit/.dir FORCE
 	     -e "s#@LLVM_TOOLS_DIR@#$(ToolDir)#g" \
 	     -e "s#@LLVMGCCDIR@#$(LLVMGCCDIR)#g" \
 	     -e "s#@LLVM_BUILD_MODE@#$(BuildMode)#g" \
-	     -e "s#@ENABLE_SHARED@#$(ENABLE_SHARED)#g" \
-	     -e "s#@SHLIBPATH_VAR@#$(SHLIBPATH_VAR)#g" \
 	     $(PROJ_SRC_DIR)/Unit/lit.site.cfg.in > $@
diff --git a/test/Unit/lit.cfg b/test/Unit/lit.cfg
index 5fe07324a1..34372bb6cb 100644
--- a/test/Unit/lit.cfg
+++ b/test/Unit/lit.cfg
@@ -23,14 +23,7 @@ config.test_format = lit.formats.GoogleTest(llvm_build_mode, 'Tests')
 
 ###
 
-# If necessary, point the dynamic loader at libLLVM.so.
-if config.enable_shared:
-    libdir = os.path.join(config.llvm_obj_root, config.llvm_build_mode, 'lib')
-    shlibpath = config.environment.get(config.shlibpath_var,'')
-    if shlibpath:
-        shlibpath = ':' + shlibpath
-    shlibpath = libdir + shlibpath
-    config.environment[config.shlibpath_var] = shlibpath
+import os
 
 # Check that the object root is known.
 if config.test_exec_root is None:
diff --git a/test/Unit/lit.site.cfg.in b/test/Unit/lit.site.cfg.in
index 51b5bc416f..c190ffa68e 100644
--- a/test/Unit/lit.site.cfg.in
+++ b/test/Unit/lit.site.cfg.in
@@ -5,8 +5,6 @@ config.llvm_obj_root = "@LLVM_BINARY_DIR@"
 config.llvm_tools_dir = "@LLVM_TOOLS_DIR@"
 config.llvmgcc_dir = "@LLVMGCCDIR@"
 config.llvm_build_mode = "@LLVM_BUILD_MODE@"
-config.enable_shared = @ENABLE_SHARED@
-config.shlibpath_var = "@SHLIBPATH_VAR@"
 
 # Let the main config do the real work.
 lit.load_config(config, "@LLVM_SOURCE_DIR@/test/Unit/lit.cfg")
diff --git a/tools/llvm-shlib/Makefile b/tools/llvm-shlib/Makefile
deleted file mode 100644
index ae0924402b..0000000000
--- a/tools/llvm-shlib/Makefile
+++ /dev/null
@@ -1,67 +0,0 @@
-##===- tools/shlib/Makefile --------------------------------*- Makefile -*-===##
-# 
-#                     The LLVM Compiler Infrastructure
-#
-# This file is distributed under the University of Illinois Open Source
-# License. See LICENSE.TXT for details.
-# 
-##===----------------------------------------------------------------------===##
-
-LEVEL = ../..
-LIBRARYNAME = LLVM-$(LLVMVersion)
-
-NO_BUILD_ARCHIVE = 1
-LINK_LIBS_IN_SHARED = 1
-SHARED_LIBRARY = 1
-
-include $(LEVEL)/Makefile.common
-
-# Include all archives in libLLVM.(so|dylib) except the ones that have
-# their own dynamic libraries.
-Archives := $(wildcard $(LibDir)/libLLVM*.a)
-SharedLibraries := $(wildcard $(LibDir)/libLLVM*$(SHLIBEXT))
-IncludeInLibLlvm := $(filter-out $(basename $(SharedLibraries)).a, $(Archives))
-LLVMLibsOptions := $(IncludeInLibLlvm:$(LibDir)/lib%.a=-l%)
-LLVMLibsPaths   := $(IncludeInLibLlvm)
-
-$(LibName.SO): $(LLVMLibsPaths)
-
-ifeq ($(HOST_OS),Darwin)
-    # set dylib internal version number to llvmCore submission number
-    ifdef LLVM_SUBMIT_VERSION
-        LLVMLibsOptions := $(LLVMLibsOptions) -Wl,-current_version \
-                        -Wl,$(LLVM_SUBMIT_VERSION).$(LLVM_SUBMIT_SUBVERSION) \
-                        -Wl,-compatibility_version -Wl,1
-    endif
-    # Include everything from the .a's into the shared library.
-    LLVMLibsOptions    := $(LLVMLibsOptions) -all_load
-    # extra options to override libtool defaults 
-    LLVMLibsOptions    := $(LLVMLibsOptions)  \
-                         -avoid-version \
-                         -Wl,-dead_strip \
-                         -Wl,-seg1addr -Wl,0xE0000000 
-
-    # Mac OS X 10.4 and earlier tools do not allow a second -install_name on command line
-    DARWIN_VERS := $(shell echo $(TARGET_TRIPLE) | sed 's/.*darwin\([0-9]*\).*/\1/')
-    ifneq ($(DARWIN_VERS),8)
-       LLVMLibsOptions    := $(LLVMLibsOptions)  \
-                            -Wl,-install_name \
-                            -Wl,"@executable_path/../lib/lib$(LIBRARYNAME)$(SHLIBEXT)"
-    endif
-endif
-
-ifeq ($(HOST_OS), Linux)
-    # Include everything from the .a's into the shared library.
-    LLVMLibsOptions := -Wl,--whole-archive $(LLVMLibsOptions) \
-                       -Wl,--no-whole-archive
-    # Warn if we'll need to modify the text segment when loading libLLVM.so.
-    LLVMLibsOptions += -Wl,--warn-shared-textrel
-    # Don't allow unresolved symbols.
-    LLVMLibsOptions += -Wl,--no-undefined
-    ifeq ($(ARCH), ARM)
-        # ARM's shared libgcc omits several of the __sync functions that are
-        # present in the static libgcc, so we also link in the static gcc.  This
-        # is described at http://gcc.gnu.org/PR40133.
-        LLVMLibsOptions += -lgcc
-    endif
-endif
diff --git a/unittests/Makefile.unittest b/unittests/Makefile.unittest
index 9dfb965d38..6fbef54691 100644
--- a/unittests/Makefile.unittest
+++ b/unittests/Makefile.unittest
@@ -28,17 +28,6 @@ CPP.Flags += -I$(LLVM_SRC_ROOT)/utils/unittest/googletest/include/
 CPP.Flags += $(NO_VARIADIC_MACROS)
 TESTLIBS = -lGoogleTest -lUnitTestMain
 
-ifeq ($(ENABLE_SHARED), 1)
-  # Add the absolute path to the dynamic library.  This is ok because
-  # we'll never install unittests.
-  LD.Flags += $(RPATH) -Wl,$(LibDir)
-endif
-ifeq ($(ENABLE_SHARED), 1)
-  # Also set {DYLD,LD}_LIBRARY_PATH because OSX ignores the rpath most
-  # of the time.
-  Run.Shared := $(SHLIBPATH_VAR)="$(LibDir)$${$(SHLIBPATH_VAR):+:}$$$(SHLIBPATH_VAR)"
-endif
-
 $(LLVMUnitTestExe): $(ObjectsO) $(ProjLibsPaths) $(LLVMLibsPaths)
 	$(Echo) Linking $(BuildMode) unit test $(TESTNAME) $(StripWarnMsg)
 	$(Verb) $(Link) -o $@ $(TOOLLINKOPTS) $(ObjectsO) $(ProjLibsOptions) \
@@ -49,6 +38,6 @@ $(LLVMUnitTestExe): $(ObjectsO) $(ProjLibsPaths) $(LLVMLibsPaths)
 all:: $(LLVMUnitTestExe)
 
 unitcheck:: $(LLVMUnitTestExe)
-	$(Run.Shared) $(LLVMUnitTestExe)
+	$(LLVMUnitTestExe)
 
 endif