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tools/Config.mk: Update comments to indicate how to use the single-file compilation options.

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This commit is contained in:
Gregory Nutt 2019-10-03 08:23:22 -06:00
parent 312a8c6851
commit 8471da9dec
1 changed files with 13 additions and 0 deletions
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13
tools/Config.mk
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@ -106,6 +106,10 @@ endif
# #
# CPP - The command to invoke the C pre-processor # CPP - The command to invoke the C pre-processor
# CPPFLAGS - Options to pass to the C pre-processor # CPPFLAGS - Options to pass to the C pre-processor
#
# '<filename>.c_CPPFLAGS += <options>' may also be used, as an example, to
# change the options used with the single file <filename>.c (or
# <filename>.S)
define PREPROCESS define PREPROCESS
@echo "CPP: $1->$2" @echo "CPP: $1->$2"
@ -120,6 +124,9 @@ endef
# #
# CC - The command to invoke the C compiler # CC - The command to invoke the C compiler
# CFLAGS - Options to pass to the C compiler # CFLAGS - Options to pass to the C compiler
#
# '<filename>.c_CFLAGS += <options>' may also be used, as an example, to
# change the options used with the single file <filename>.c
define COMPILE define COMPILE
@echo "CC: $1" @echo "CC: $1"
@ -134,6 +141,9 @@ endef
# #
# CXX - The command to invoke the C++ compiler # CXX - The command to invoke the C++ compiler
# CXXFLAGS - Options to pass to the C++ compiler # CXXFLAGS - Options to pass to the C++ compiler
#
# '<filename>.cxx_CXXFLAGS += <options>' may also be used, as an example, to
# change the options used with the single file <filename>.cxx
define COMPILEXX define COMPILEXX
@echo "CXX: $1" @echo "CXX: $1"
@ -155,6 +165,9 @@ endef
# CC - By default, the C compiler is used to compile assembly language # CC - By default, the C compiler is used to compile assembly language
# files # files
# AFLAGS - Options to pass to the C+compiler # AFLAGS - Options to pass to the C+compiler
#
# '<filename>.s_CFLAGS += <options>' may also be used, as an example, to change
# the options used with the single file <filename>.s
define ASSEMBLE define ASSEMBLE
@echo "AS: $1" @echo "AS: $1"