1#
2# Copyright (c) 2017, Google, Inc. All rights reserved
3#
4# Permission is hereby granted, free of charge, to any person obtaining
5# a copy of this software and associated documentation files
6# (the "Software"), to deal in the Software without restriction,
7# including without limitation the rights to use, copy, modify, merge,
8# publish, distribute, sublicense, and/or sell copies of the Software,
9# and to permit persons to whom the Software is furnished to do so,
10# subject to the following conditions:
11#
12# The above copyright notice and this permission notice shall be
13# included in all copies or substantial portions of the Software.
14#
15# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
18# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
19# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
20# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
21# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22#
23
24# args:
25# GENERIC_CC : path to compiler (required)
26# GENERIC_SRCS : list of source files (required)
27# GENERIC_OBJ_DIR : a directory to hold the created .o files (required)
28# GENERIC_FLAGS : list of flags for the compiler
29# GENERIC_CFLAGS : list of flags for the compiler, when compiling C files.
30# GENERIC_CPPFLAGS : list of flags for the compiler, when compiling C++ files.
31# GENERIC_SRCDEPS : extra source dependencies
32
33# Validate arguments.
34ifeq ($(GENERIC_CC), )
35$(error GENERIC_CC must be specified)
36endif
37
38ifeq ($(GENERIC_SRCS), )
39$(error GENERIC_SRCS must be specified)
40endif
41
42ifeq ($(GENERIC_OBJ_DIR), )
43$(error GENERIC_OBJ_DIR must be specified)
44endif
45
46# Group the source files so we can differ the flags between C, C++, and assembly.
47GENERIC_C_SRCS := $(filter %.c,$(GENERIC_SRCS))
48GENERIC_C_OBJS := $(addprefix $(GENERIC_OBJ_DIR)/,$(patsubst %.c,%.o,$(GENERIC_C_SRCS)))
49
50GENERIC_CC_SRCS := $(filter %.cc,$(GENERIC_SRCS))
51GENERIC_CC_OBJS := $(addprefix $(GENERIC_OBJ_DIR)/,$(patsubst %.cc,%.o,$(GENERIC_CC_SRCS)))
52
53GENERIC_CPP_SRCS := $(filter %.cpp,$(GENERIC_SRCS))
54GENERIC_CPP_OBJS := $(addprefix $(GENERIC_OBJ_DIR)/,$(patsubst %.cpp,%.o,$(GENERIC_CPP_SRCS)))
55
56GENERIC_ASM_SRCS := $(filter %.S,$(GENERIC_SRCS))
57GENERIC_ASM_OBJS := $(addprefix $(GENERIC_OBJ_DIR)/,$(patsubst %.S,%.o,$(GENERIC_ASM_SRCS)))
58
59GENERIC_OBJS := $(strip $(GENERIC_C_OBJS) $(GENERIC_CC_OBJS) $(GENERIC_CPP_OBJS) $(GENERIC_ASM_OBJS))
60
61# Bind inputs.
62$(GENERIC_OBJS): CC := $(GENERIC_CC)
63$(GENERIC_OBJS): FLAGS := $(GENERIC_FLAGS)
64$(GENERIC_OBJS): CFLAGS := $(GENERIC_CFLAGS)
65$(GENERIC_OBJS): CPPFLAGS := $(GENERIC_CPPFLAGS)
66$(GENERIC_OBJS): ASMFLAGS := $(GENERIC_ASMFLAGS)
67$(GENERIC_OBJS): LOG_NAME := $(GENERIC_LOG_NAME)
68
69$(GENERIC_C_OBJS): $(GENERIC_OBJ_DIR)/%.o: %.c $(GENERIC_SRCDEPS)
70	@$(call ECHO,$(LOG_NAME),building,$@)
71	@$(MKDIR)
72	$(NOECHO)$(CC) $(FLAGS) $(CFLAGS) -c $< -MMD -o $@
73	@$(call ECHO_DONE_SILENT,$(LOG_NAME),building,$@)
74
75$(GENERIC_CC_OBJS): $(GENERIC_OBJ_DIR)/%.o: %.cc $(GENERIC_SRCDEPS)
76	@$(call ECHO,$(LOG_NAME),building,$@)
77	@$(MKDIR)
78	$(NOECHO)$(CC) $(FLAGS) $(CPPFLAGS) -c $< -MMD -o $@
79	@$(call ECHO_DONE_SILENT,$(LOG_NAME),building,$@)
80
81$(GENERIC_CPP_OBJS): $(GENERIC_OBJ_DIR)/%.o: %.cpp $(GENERIC_SRCDEPS)
82	@$(call ECHO,$(LOG_NAME),building,$@)
83	@$(MKDIR)
84	$(NOECHO)$(CC) $(FLAGS) $(CPPFLAGS) -c $< -MMD -o $@
85	@$(call ECHO_DONE_SILENT,$(LOG_NAME),building,$@)
86
87$(GENERIC_ASM_OBJS): $(GENERIC_OBJ_DIR)/%.o: %.S $(GENERIC_SRCDEPS)
88	@$(call ECHO,$(LOG_NAME),building,$@)
89	@$(MKDIR)
90	$(NOECHO)$(CC) $(FLAGS) $(ASMFLAGS) -c $< -MMD -o $@
91	@$(call ECHO_DONE_SILENT,$(LOG_NAME),building,$@)
92
93# Cleanup inputs
94GENERIC_CC :=
95GENERIC_SRCS :=
96GENERIC_OBJ_DIR :=
97GENERIC_FLAGS :=
98GENERIC_CFLAGS :=
99GENERIC_CPPFLAGS :=
100GENERIC_ASMFLAGS :=
101GENERIC_SRCDEPS :=
102GENERIC_LOG_NAME :=
103# Cleanup internal
104GENERIC_C_SRCS :=
105GENERIC_C_OBJS :=
106GENERIC_CC_SRCS :=
107GENERIC_CC_OBJS :=
108GENERIC_CPP_SRCS :=
109GENERIC_CPP_OBJS :=
110GENERIC_ASM_SRCS :=
111GENERIC_ASM_OBJS :=
112
113# GENERIC_OBJS is returned.
114