Add a new make option (LINK_COMPONENTS) which tools can use to specify what
libraries they need. This uses llvm-config to link the tools.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30084 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile.rules b/Makefile.rules
index b08725a..ae1adc3 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -297,6 +297,7 @@
TBLGEN := $(LLVMToolDir)/tblgen$(EXEEXT)
endif
endif
+LLVM_CONFIG := $(LLVMToolDir)/llvm-config
ifndef GCCAS
GCCAS := $(LLVMToolDir)/gccas$(EXEEXT)
endif
@@ -629,7 +630,6 @@
# JIT support for a library or a tool that runs JIT.
#---------------------------------------------------------
ifeq ($(firstword $(LLVMLIBS)),config)
-LLVM_CONFIG := $(LLVM_SRC_ROOT)/utils/llvm-config/llvm-config
LLVMLIBS := $(shell $(LLVM_CONFIG) --libnames $(wordlist 2,9999,$(LLVMLIBS)))
LLVMLIBS := $(patsubst lib%.a,%.a,$(LLVMLIBS))
LLVMLIBS := $(patsubst %.o,%,$(LLVMLIBS))
@@ -690,17 +690,27 @@
# Define various command line options pertaining to the
# libraries needed when linking. There are "Proj" libs
# (defined by the user's project) and "LLVM" libs (defined
-# by the # LLVM project).
+# by the LLVM project).
#---------------------------------------------------------
+ifdef USEDLIBS
ProjLibsOptions := $(patsubst %.a.o, -l%, $(addsuffix .o, $(USEDLIBS)))
ProjLibsOptions := $(patsubst %.o, $(LibDir)/%.o, $(ProjLibsOptions))
+ProjUsedLibs := $(patsubst %.a.o, lib%.a, $(addsuffix .o, $(USEDLIBS)))
+ProjLibsPaths := $(addprefix $(LibDir)/,$(ProjUsedLibs))
+endif
+
+ifdef LLVMLIBS
LLVMLibsOptions := $(patsubst %.a.o, -l%, $(addsuffix .o, $(LLVMLIBS)))
LLVMLibsOptions := $(patsubst %.o, $(LLVMLibDir)/%.o, $(LLVMLibsOptions))
-ProjUsedLibs := $(patsubst %.a.o, lib%.a, $(addsuffix .o, $(USEDLIBS)))
LLVMUsedLibs := $(patsubst %.a.o, lib%.a, $(addsuffix .o, $(LLVMLIBS)))
-ProjLibsPaths := $(addprefix $(LibDir)/,$(ProjUsedLibs))
LLVMLibsPaths := $(addprefix $(LLVMLibDir)/,$(LLVMUsedLibs))
+endif
+
+ifdef LINK_COMPONENTS
+ProjLibsOptions := $(shell $(LLVM_CONFIG) --libs $(LINK_COMPONENTS))
+ProjLibsPaths := $(shell $(LLVM_CONFIG) --libfiles $(LINK_COMPONENTS))
+endif
###############################################################################
# Library Build Rules: Four ways to build a library