ecb04a
build system: posix make support: handle out-of-tree builds in posix make mode.
@@ -244,6 +244,10 @@ app-objs: dirs $(APP_OBJS)
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(APP_SRCS): srcs.tag
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(COMMON_SRCS): srcs.tag
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(APP_OBJS): $(ALL_HEADERS) host.tag tree.tag
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(SHARED_OBJS): $(ALL_HEADERS) host.tag tree.tag
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@@ -300,6 +304,7 @@ distclean: clean
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clean: clean-implib
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rm -f tree.tag
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rm -f srcs.tag
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rm -f dirs.tag
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rm -f host.tag
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rm -f host.tmp
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@@ -17,3 +17,6 @@ lib/%$(OS_ARCHIVE_EXT):
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mkdir -p lib
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rm -f $@
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$(AR) rcs $@ $^
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srcs.tag:
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touch $@
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@@ -17,3 +17,11 @@ $(STATIC_LIB):
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mkdir -p lib
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rm -f $@
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$(AR) rcs $@ $(STATIC_OBJS)
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srcs.tag: tree.tag
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srcs.tag:
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$(PROJECT_DIR)/sofort/tools/srctree.sh \
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--srctree=$(SOURCE_DIR) -- \
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$(COMMON_SRCS) $(APP_SRCS)
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touch $@
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@@ -0,0 +1,83 @@
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# srctree.sh: support for out-of-tree builds in posix make mode.
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# this file is covered by COPYING.SOFORT.
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set -eu
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usage()
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{
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cat << EOF >&2
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Usage:
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--help show this HELP message
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--srctree=SRCTREE set source directory
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EOF
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exit 1
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}
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# one
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workdir=$(pwd -P)
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srctree=
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argloop=
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for arg ; do
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case "$arg" in
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--help)
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usage
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;;
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--srctree=*)
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srctree=${arg#*=}
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;;
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--)
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argloop='done'
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;;
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*)
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if [ -z "$argloop" ]; then
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printf 'Invalid option: %s\n' "$arg" >&2
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usage
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fi
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;;
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esac
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done
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# two
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if [ -z "$srctree" ] ; then
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usage
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fi
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cd -- "$srctree"
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srctree=$(pwd -P)
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cd -- "$workdir"
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if [ "$srctree" = "$workdir" ]; then
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exit 0
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fi
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# three
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for arg ; do
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case "$arg" in
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--srctree=*)
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;;
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--)
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;;
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*)
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stat "$arg" > /dev/null 2>&1 \
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|| ln -s -- "$srctree/$arg" "$arg"
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;;
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esac
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done
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# all done
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exit 0
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