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TOMOYO Linux Cross Reference
Linux/scripts/Kconfig.include

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Diff markup

Differences between /scripts/Kconfig.include (Architecture sparc64) and /scripts/Kconfig.include (Architecture mips)


  1 # SPDX-License-Identifier: GPL-2.0-only             1 # SPDX-License-Identifier: GPL-2.0-only
  2 # Kconfig helper macros                             2 # Kconfig helper macros
  3                                                     3 
  4 # Convenient variables                              4 # Convenient variables
  5 comma       := ,                                    5 comma       := ,
  6 quote       := "                                    6 quote       := "
  7 squote      := '                                    7 squote      := '
  8 empty       :=                                      8 empty       :=
  9 space       := $(empty) $(empty)                    9 space       := $(empty) $(empty)
 10 dollar      := $                                   10 dollar      := $
 11 right_paren := )                                   11 right_paren := )
 12 left_paren  := (                                   12 left_paren  := (
 13                                                    13 
 14 # $(if-success,<command>,<then>,<else>)            14 # $(if-success,<command>,<then>,<else>)
 15 # Return <then> if <command> exits with 0, <el     15 # Return <then> if <command> exits with 0, <else> otherwise.
 16 if-success = $(shell,{ $(1); } >/dev/null 2>&1     16 if-success = $(shell,{ $(1); } >/dev/null 2>&1 && echo "$(2)" || echo "$(3)")
 17                                                    17 
 18 # $(success,<command>)                             18 # $(success,<command>)
 19 # Return y if <command> exits with 0, n otherw     19 # Return y if <command> exits with 0, n otherwise
 20 success = $(if-success,$(1),y,n)                   20 success = $(if-success,$(1),y,n)
 21                                                    21 
 22 # $(failure,<command>)                             22 # $(failure,<command>)
 23 # Return n if <command> exits with 0, y otherw     23 # Return n if <command> exits with 0, y otherwise
 24 failure = $(if-success,$(1),n,y)                   24 failure = $(if-success,$(1),n,y)
 25                                                    25 
 26 # $(cc-option,<flag>)                              26 # $(cc-option,<flag>)
 27 # Return y if the compiler supports <flag>, n      27 # Return y if the compiler supports <flag>, n otherwise
 28 cc-option = $(success,trap "rm -rf .tmp_$$" EX     28 cc-option = $(success,trap "rm -rf .tmp_$$" EXIT; mkdir .tmp_$$; $(CC) -Werror $(CLANG_FLAGS) $(1) -c -x c /dev/null -o .tmp_$$/tmp.o)
 29                                                    29 
 30 # $(ld-option,<flag>)                              30 # $(ld-option,<flag>)
 31 # Return y if the linker supports <flag>, n ot     31 # Return y if the linker supports <flag>, n otherwise
 32 ld-option = $(success,$(LD) -v $(1))               32 ld-option = $(success,$(LD) -v $(1))
 33                                                    33 
 34 # $(as-instr,<instr>)                              34 # $(as-instr,<instr>)
 35 # Return y if the assembler supports <instr>,      35 # Return y if the assembler supports <instr>, n otherwise
 36 as-instr = $(success,printf "%b\n" "$(1)" | $(     36 as-instr = $(success,printf "%b\n" "$(1)" | $(CC) $(CLANG_FLAGS) $(2) -Wa$(comma)--fatal-warnings -c -x assembler-with-cpp -o /dev/null -)
 37 as-instr64 = $(as-instr,$(1),$(m64-flag))          37 as-instr64 = $(as-instr,$(1),$(m64-flag))
 38                                                    38 
 39 # check if $(CC) and $(LD) exist                   39 # check if $(CC) and $(LD) exist
 40 $(error-if,$(failure,command -v $(CC)),C compi     40 $(error-if,$(failure,command -v $(CC)),C compiler '$(CC)' not found)
 41 $(error-if,$(failure,command -v $(LD)),linker      41 $(error-if,$(failure,command -v $(LD)),linker '$(LD)' not found)
 42                                                    42 
 43 # Get the C compiler name, version, and error      43 # Get the C compiler name, version, and error out if it is not supported.
 44 cc-info := $(shell,$(srctree)/scripts/cc-versi     44 cc-info := $(shell,$(srctree)/scripts/cc-version.sh $(CC))
 45 $(error-if,$(success,test -z "$(cc-info)"),Sor     45 $(error-if,$(success,test -z "$(cc-info)"),Sorry$(comma) this C compiler is not supported.)
 46 cc-name := $(shell,set -- $(cc-info) && echo $     46 cc-name := $(shell,set -- $(cc-info) && echo $1)
 47 cc-version := $(shell,set -- $(cc-info) && ech     47 cc-version := $(shell,set -- $(cc-info) && echo $2)
 48                                                    48 
 49 # Get the assembler name, version, and error o     49 # Get the assembler name, version, and error out if it is not supported.
 50 as-info := $(shell,$(srctree)/scripts/as-versi     50 as-info := $(shell,$(srctree)/scripts/as-version.sh $(CC) $(CLANG_FLAGS))
 51 $(error-if,$(success,test -z "$(as-info)"),Sor     51 $(error-if,$(success,test -z "$(as-info)"),Sorry$(comma) this assembler is not supported.)
 52 as-name := $(shell,set -- $(as-info) && echo $     52 as-name := $(shell,set -- $(as-info) && echo $1)
 53 as-version := $(shell,set -- $(as-info) && ech     53 as-version := $(shell,set -- $(as-info) && echo $2)
 54                                                    54 
 55 # Get the linker name, version, and error out      55 # Get the linker name, version, and error out if it is not supported.
 56 ld-info := $(shell,$(srctree)/scripts/ld-versi     56 ld-info := $(shell,$(srctree)/scripts/ld-version.sh $(LD))
 57 $(error-if,$(success,test -z "$(ld-info)"),Sor     57 $(error-if,$(success,test -z "$(ld-info)"),Sorry$(comma) this linker is not supported.)
 58 ld-name := $(shell,set -- $(ld-info) && echo $     58 ld-name := $(shell,set -- $(ld-info) && echo $1)
 59 ld-version := $(shell,set -- $(ld-info) && ech     59 ld-version := $(shell,set -- $(ld-info) && echo $2)
 60                                                    60 
 61 # machine bit flags                                61 # machine bit flags
 62 #  $(m32-flag): -m32 if the compiler supports      62 #  $(m32-flag): -m32 if the compiler supports it, or an empty string otherwise.
 63 #  $(m64-flag): -m64 if the compiler supports      63 #  $(m64-flag): -m64 if the compiler supports it, or an empty string otherwise.
 64 cc-option-bit = $(if-success,$(CC) -Werror $(1     64 cc-option-bit = $(if-success,$(CC) -Werror $(1) -E -x c /dev/null -o /dev/null,$(1))
 65 m32-flag := $(cc-option-bit,-m32)                  65 m32-flag := $(cc-option-bit,-m32)
 66 m64-flag := $(cc-option-bit,-m64)                  66 m64-flag := $(cc-option-bit,-m64)
                                                      

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