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-rw-r--r--Makefile4
-rw-r--r--Makefile.config.in6
-rw-r--r--Makefile.rules23
-rw-r--r--autoconf/configure.ac16
-rwxr-xr-xconfigure33
-rw-r--r--test/Makefile2
-rw-r--r--test/Unit/lit.cfg9
-rw-r--r--test/Unit/lit.site.cfg.in2
-rw-r--r--tools/llvm-shlib/Makefile61
-rw-r--r--unittests/Makefile.unittest6
10 files changed, 150 insertions, 12 deletions
diff --git a/Makefile b/Makefile
index 319bdcd..1819226 100644
--- a/Makefile
+++ b/Makefile
@@ -30,8 +30,8 @@ ifeq ($(BUILD_DIRS_ONLY),1)
DIRS := lib/System lib/Support utils
OPTIONAL_DIRS :=
else
- DIRS := lib/System lib/Support utils lib/VMCore lib tools/llvm-config \
- tools runtime docs unittests
+ DIRS := lib/System lib/Support utils lib/VMCore lib tools/llvm-shlib \
+ tools/llvm-config tools runtime docs unittests
OPTIONAL_DIRS := projects bindings
endif
diff --git a/Makefile.config.in b/Makefile.config.in
index 2cc69dc..5489b2b 100644
--- a/Makefile.config.in
+++ b/Makefile.config.in
@@ -266,6 +266,9 @@ ENABLE_THREADS := @ENABLE_THREADS@
# Do we want to build with position independent code?
ENABLE_PIC := @ENABLE_PIC@
+# Do we want to link the tools shared?
+ENABLE_SHARED := @ENABLE_SHARED@
+
# Use -fvisibility-inlines-hidden?
ENABLE_VISIBILITY_INLINES_HIDDEN := @ENABLE_VISIBILITY_INLINES_HIDDEN@
@@ -276,6 +279,9 @@ ENABLE_VISIBILITY_INLINES_HIDDEN := @ENABLE_VISIBILITY_INLINES_HIDDEN@
# Enable JIT for this platform
TARGET_HAS_JIT = @TARGET_HAS_JIT@
+# Environment variable to set to change the runtime shared library search path.
+SHLIBPATH_VAR = @SHLIBPATH_VAR@
+
# Shared library extension for host platform.
SHLIBEXT = @SHLIBEXT@
diff --git a/Makefile.rules b/Makefile.rules
index 761cc81..8cabd0b 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -613,11 +613,12 @@ endif
ifneq ($(HOST_OS),Darwin)
ifneq ($(DARWIN_MAJVERS),4)
ifdef TOOLNAME
-ifdef EXAMPLE_TOOL
- LD.Flags += $(RPATH) -Wl,$(ExmplDir) $(RDYNAMIC)
-else
- LD.Flags += $(RPATH) -Wl,$(ToolDir) $(RDYNAMIC)
-endif
+ LD.Flags += $(RPATH) -Wl,'$$ORIGIN/../lib'
+ ifdef EXAMPLE_TOOL
+ LD.Flags += $(RPATH) -Wl,$(ExmplDir) $(RDYNAMIC)
+ else
+ LD.Flags += $(RPATH) -Wl,$(ToolDir) $(RDYNAMIC)
+ endif
endif
endif
endif
@@ -952,11 +953,21 @@ $(LLVM_CONFIG):
$(ToolDir)/$(strip $(TOOLNAME))$(EXEEXT): $(LLVM_CONFIG)
+ifeq ($(ENABLE_SHARED), 1)
+LLVMLibsOptions += -lLLVM$(LLVMVersion)
+LLVMLibsPaths += $(LibDir)/libLLVM$(LLVMVersion)$(SHLIBEXT)
+else
+ifeq ($(EXAMPLE_TOOL), 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
+endif
###############################################################################
# Library Build Rules: Four ways to build a library
@@ -1162,11 +1173,13 @@ 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 40f77d8..01ba197 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -470,6 +470,18 @@ 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],
@@ -1265,6 +1277,10 @@ 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 88050f3..719c1b7 100755
--- a/configure
+++ b/configure
@@ -689,6 +689,7 @@ TARGET_HAS_JIT
ENABLE_DOXYGEN
ENABLE_THREADS
ENABLE_PIC
+ENABLE_SHARED
TARGETS_TO_BUILD
LLVM_ENUM_TARGETS
LLVM_ENUM_ASM_PRINTERS
@@ -769,6 +770,7 @@ LLVMGCC_VERSION
LLVMGCC_MAJVERS
LLVMGCC_LANGS
SHLIBEXT
+SHLIBPATH_VAR
LLVM_PREFIX
LLVM_BINDIR
LLVM_LIBDIR
@@ -1401,6 +1403,7 @@ 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,
@@ -4857,6 +4860,25 @@ 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
@@ -11035,7 +11057,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<EOF
-#line 11038 "configure"
+#line 11060 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@@ -19595,6 +19617,9 @@ 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
@@ -20652,6 +20677,7 @@ 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
@@ -20661,7 +20687,6 @@ ENABLE_CBE_PRINTF_A!$ENABLE_CBE_PRINTF_A$ac_delim
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
_ACEOF
if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 97; then
@@ -20703,6 +20728,7 @@ _ACEOF
ac_delim='%!_!# '
for ac_last_try in false false false false false :; do
cat >conf$$subs.sed <<_ACEOF
+ENABLE_LLVMC_DYNAMIC!$ENABLE_LLVMC_DYNAMIC$ac_delim
ENABLE_LLVMC_DYNAMIC_PLUGINS!$ENABLE_LLVMC_DYNAMIC_PLUGINS$ac_delim
CXX!$CXX$ac_delim
CXXFLAGS!$CXXFLAGS$ac_delim
@@ -20773,6 +20799,7 @@ LLVMGCC_VERSION!$LLVMGCC_VERSION$ac_delim
LLVMGCC_MAJVERS!$LLVMGCC_MAJVERS$ac_delim
LLVMGCC_LANGS!$LLVMGCC_LANGS$ac_delim
SHLIBEXT!$SHLIBEXT$ac_delim
+SHLIBPATH_VAR!$SHLIBPATH_VAR$ac_delim
LLVM_PREFIX!$LLVM_PREFIX$ac_delim
LLVM_BINDIR!$LLVM_BINDIR$ac_delim
LLVM_LIBDIR!$LLVM_LIBDIR$ac_delim
@@ -20793,7 +20820,7 @@ LIBOBJS!$LIBOBJS$ac_delim
LTLIBOBJS!$LTLIBOBJS$ac_delim
_ACEOF
- if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 88; then
+ if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 90; then
break
elif $ac_last_try; then
{ { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
diff --git a/test/Makefile b/test/Makefile
index e7776f8..5554053 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -200,4 +200,6 @@ 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 > $@
diff --git a/test/Unit/lit.cfg b/test/Unit/lit.cfg
index 34372bb..5fe0732 100644
--- a/test/Unit/lit.cfg
+++ b/test/Unit/lit.cfg
@@ -23,7 +23,14 @@ config.test_format = lit.formats.GoogleTest(llvm_build_mode, 'Tests')
###
-import os
+# If necessary, point the dynamic loader at libLLVM.so.
+if config.enable_shared:
+ libdir = os.path.join(config.llvm_obj_root, config.llvm_build_mode, 'lib')
+ shlibpath = config.environment.get(config.shlibpath_var,'')
+ if shlibpath:
+ shlibpath = ':' + shlibpath
+ shlibpath = libdir + shlibpath
+ config.environment[config.shlibpath_var] = shlibpath
# Check that the object root is known.
if config.test_exec_root is None:
diff --git a/test/Unit/lit.site.cfg.in b/test/Unit/lit.site.cfg.in
index c190ffa..51b5bc4 100644
--- a/test/Unit/lit.site.cfg.in
+++ b/test/Unit/lit.site.cfg.in
@@ -5,6 +5,8 @@ config.llvm_obj_root = "@LLVM_BINARY_DIR@"
config.llvm_tools_dir = "@LLVM_TOOLS_DIR@"
config.llvmgcc_dir = "@LLVMGCCDIR@"
config.llvm_build_mode = "@LLVM_BUILD_MODE@"
+config.enable_shared = @ENABLE_SHARED@
+config.shlibpath_var = "@SHLIBPATH_VAR@"
# Let the main config do the real work.
lit.load_config(config, "@LLVM_SOURCE_DIR@/test/Unit/lit.cfg")
diff --git a/tools/llvm-shlib/Makefile b/tools/llvm-shlib/Makefile
new file mode 100644
index 0000000..b2f725c
--- /dev/null
+++ b/tools/llvm-shlib/Makefile
@@ -0,0 +1,61 @@
+##===- tools/shlib/Makefile --------------------------------*- Makefile -*-===##
+#
+# The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+
+LEVEL = ../..
+LIBRARYNAME = LLVM$(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) \
+ -Wl,-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 $(LLVMLibsOptions) \
+ -Wl,--no-whole-archive
+ # Don't allow unresolved symbols, and warn if we'll need to modify
+ # the text segment when loading libLLVM.so.
+ LLVMLibsOptions += -Wl,--no-undefined,--warn-shared-textrel
+endif
diff --git a/unittests/Makefile.unittest b/unittests/Makefile.unittest
index 6fbef54..5094a7e 100644
--- a/unittests/Makefile.unittest
+++ b/unittests/Makefile.unittest
@@ -28,6 +28,10 @@ CPP.Flags += -I$(LLVM_SRC_ROOT)/utils/unittest/googletest/include/
CPP.Flags += $(NO_VARIADIC_MACROS)
TESTLIBS = -lGoogleTest -lUnitTestMain
+ifeq ($(ENABLE_SHARED), 1)
+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) \
@@ -38,6 +42,6 @@ $(LLVMUnitTestExe): $(ObjectsO) $(ProjLibsPaths) $(LLVMLibsPaths)
all:: $(LLVMUnitTestExe)
unitcheck:: $(LLVMUnitTestExe)
- $(LLVMUnitTestExe)
+ $(Run.Shared) $(LLVMUnitTestExe)
endif
generated by cgit v1.1 at 2025-07-03 01:29:54 +0000