#===-- Makefile.common - Common make rules for LLVM --------*- Makefile -*--===# | |
# | |
# The LLVM Compiler Infrastructure | |
# | |
# This file is distributed under the University of Illinois Open Source | |
# License. See LICENSE.TXT for details. | |
# | |
#===------------------------------------------------------------------------===# | |
# | |
# This file is included by all of the LLVM makefiles. This file defines common | |
# rules to do things like compile a .cpp file or generate dependency info. | |
# These are platform dependent, so this is the file used to specify these | |
# system dependent operations. | |
# | |
# The following functionality can be set by setting incoming variables. | |
# The variable $(LEVEL) *must* be set: | |
# | |
# 1. LEVEL - The level of the current subdirectory from the top of the | |
# source directory. This level should be expressed as a path, for | |
# example, ../.. for two levels deep. | |
# | |
# 2. DIRS - A list of subdirectories to be built. Fake targets are set up | |
# so that each of the targets "all", "install", and "clean" each build | |
# the subdirectories before the local target. DIRS are guaranteed to be | |
# built in order. | |
# | |
# 3. PARALLEL_DIRS - A list of subdirectories to be built, but that may be | |
# built in any order. All DIRS are built in order before PARALLEL_DIRS are | |
# built, which are then built in any order. | |
# | |
# 4. Source - If specified, this sets the source code filenames. If this | |
# is not set, it defaults to be all of the .cpp, .c, .y, and .l files | |
# in the current directory. Also, if you want to build files in addition | |
# to the local files, you can use the ExtraSource variable | |
# | |
# 5. SourceDir - If specified, this specifies a directory that the source files | |
# are in, if they are not in the current directory. This should include a | |
# trailing / character. | |
# | |
# 6. LLVM_SRC_ROOT - If specified, points to the top of the LLVM source tree. | |
# | |
# 8. PROJ_SRC_DIR - The directory which contains the current set of Makefiles | |
# and usually the source code too (unless SourceDir is set). | |
# | |
# 9. PROJ_SRC_ROOT - The root directory of the source code being compiled. | |
# | |
# 10. PROJ_OBJ_DIR - The directory where object code should be placed. | |
# | |
# 11. PROJ_OBJ_ROOT - The root directory for where object code should be | |
# placed. | |
# | |
# For building, | |
# LLVM, LLVM_SRC_ROOT = PROJ_SRC_ROOT | |
# | |
#===-----------------------------------------------------------------------==== | |
# | |
# Configuration file to set paths specific to local installation of LLVM | |
# | |
ifndef LLVM_OBJ_ROOT | |
include $(LEVEL)/Makefile.config | |
else | |
include $(LLVM_OBJ_ROOT)/Makefile.config | |
endif | |
# | |
# Include all of the build rules used for making LLVM | |
# | |
include $(LLVM_SRC_ROOT)/Makefile.rules | |