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rtc: at91rm9200 fixes
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1#
2# Kbuild for top-level directory of the kernel
3# This file takes care of the following:
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4# 1) Generate bounds.h
5# 2) Generate asm-offsets.h (may need bounds.h)
6# 3) Check for missing system calls
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7
8#####
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9# 1) Generate bounds.h
10
11bounds-file := include/linux/bounds.h
12
13always := $(bounds-file)
14targets := $(bounds-file) kernel/bounds.s
15
16quiet_cmd_bounds = GEN $@
17define cmd_bounds
18 (set -e; \
19 echo "#ifndef __LINUX_BOUNDS_H__"; \
20 echo "#define __LINUX_BOUNDS_H__"; \
21 echo "/*"; \
22 echo " * DO NOT MODIFY."; \
23 echo " *"; \
24 echo " * This file was generated by Kbuild"; \
25 echo " *"; \
26 echo " */"; \
27 echo ""; \
28 sed -ne $(sed-y) $<; \
29 echo ""; \
30 echo "#endif" ) > $@
31endef
32
33# We use internal kbuild rules to avoid the "is up to date" message from make
34kernel/bounds.s: kernel/bounds.c FORCE
35 $(Q)mkdir -p $(dir $@)
36 $(call if_changed_dep,cc_s_c)
37
38$(obj)/$(bounds-file): kernel/bounds.s Kbuild
39 $(Q)mkdir -p $(dir $@)
40 $(call cmd,bounds)
41
42#####
43# 2) Generate asm-offsets.h
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44#
45
2e57d051 46offsets-file := include/asm/asm-offsets.h
86feeaa8 47
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48always += $(offsets-file)
49targets += $(offsets-file)
6752ed90 50targets += arch/$(SRCARCH)/kernel/asm-offsets.s
1cdf25d7 51
86feeaa8 52
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53# Default sed regexp - multiline due to syntax constraints
54define sed-y
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55 "/^->/{s:->#\(.*\):/* \1 */:; \
56 s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \
57 s:->::; p;}"
048eb582 58endef
048eb582 59
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60quiet_cmd_offsets = GEN $@
61define cmd_offsets
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62 (set -e; \
63 echo "#ifndef __ASM_OFFSETS_H__"; \
64 echo "#define __ASM_OFFSETS_H__"; \
65 echo "/*"; \
66 echo " * DO NOT MODIFY."; \
67 echo " *"; \
65ff22ee 68 echo " * This file was generated by Kbuild"; \
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69 echo " *"; \
70 echo " */"; \
71 echo ""; \
ac448afb 72 sed -ne $(sed-y) $<; \
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73 echo ""; \
74 echo "#endif" ) > $@
75endef
76
77# We use internal kbuild rules to avoid the "is up to date" message from make
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78arch/$(SRCARCH)/kernel/asm-offsets.s: arch/$(SRCARCH)/kernel/asm-offsets.c \
79 $(obj)/$(bounds-file) FORCE
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80 $(Q)mkdir -p $(dir $@)
81 $(call if_changed_dep,cc_s_c)
82
6752ed90 83$(obj)/$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s Kbuild
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84 $(call cmd,offsets)
85
c53aeca0 86#####
1cdf25d7 87# 3) Check for missing system calls
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88#
89
90quiet_cmd_syscalls = CALL $<
91 cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags)
92
93PHONY += missing-syscalls
94missing-syscalls: scripts/checksyscalls.sh FORCE
95 $(call cmd,syscalls)
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96
97# Delete all targets during make clean
7d3cc8b6 98clean-files := $(addprefix $(objtree)/,$(filter-out $(bounds-file) $(offsets-file),$(targets)))