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authorJeffrey Yasskin <jyasskin@google.com>2010-02-23 18:10:07 +0000
committerJeffrey Yasskin <jyasskin@google.com>2010-02-23 18:10:07 +0000
commitea6c39d417172a8edb99667e93cd6b67cd024e6a (patch)
tree3c6c8f110eb785834997bfe59326bc8022f68dfd /tools/llvm-shlib
parente3d97c744772c075e11f372548cc8d848d555ee9 (diff)
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Roll r96559 forward again, adding libLLVM-2.7svn.so to LLVM. This links 3 of
the examples shared to make sure the shared library keeps working. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96959 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools/llvm-shlib')
-rw-r--r--tools/llvm-shlib/Makefile67
1 files changed, 67 insertions, 0 deletions
diff --git a/tools/llvm-shlib/Makefile b/tools/llvm-shlib/Makefile
new file mode 100644
index 0000000000..fd8a107c47
--- /dev/null
+++ b/tools/llvm-shlib/Makefile
@@ -0,0 +1,67 @@
+##===- 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 $(LLVMLibsOptions) \
+ -Wl,--no-whole-archive
+ # Warn if we'll need to modify the text segment when loading libLLVM.so.
+ LLVMLibsOptions += -Wl,--warn-shared-textrel
+ # Don't allow unresolved symbols.
+ LLVMLibsOptions += -Wl,--no-undefined
+ ifneq ($(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