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tools/nolibc: add a help target to list supported targets

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The "help" target simply presents the list of supported targets
and the current set of variables being used to build the sysroot.

Since the help in tools/ suggests to use "install", which is
supported by most tools while such a target is not really relevant
here, an "install" target was also added, redirecting to "help".

Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Willy Tarreau 2022-05-28 17:45:46 +02:00 committed by Paul E. McKenney
parent fe20cad47e
commit 4f8126f3a6
1 changed files with 17 additions and 0 deletions
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17
tools/include/nolibc/Makefile
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@ -31,6 +31,23 @@ all_files := ctype.h errno.h nolibc.h signal.h std.h stdio.h stdlib.h string.h \
# install all headers needed to support a bare-metal compiler
all: headers
install: help
help:
@echo "Supported targets under nolibc:"
@echo " all call \"headers\""
@echo " clean clean the sysroot"
@echo " headers prepare a sysroot in tools/include/nolibc/sysroot"
@echo " headers_standalone like \"headers\", and also install kernel headers"
@echo " help this help"
@echo ""
@echo "These targets may also be called from tools as \"make nolibc_<target>\"."
@echo ""
@echo "Currently using the following variables:"
@echo " ARCH = $(ARCH)"
@echo " OUTPUT = $(OUTPUT)"
@echo ""
# Note: when ARCH is "x86" we concatenate both x86_64 and i386
headers:
$(Q)mkdir -p $(OUTPUT)sysroot