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Makefile: Abstract out "identify the pkgversion" code 

Abstract out the "identify the pkgversion" code from the
rule for creating qemu-version.h, so it sets makefile
variables for QEMU_PKGVERSION and QEMU_FULL_VERSION.
(We will want to use these when building the Sphinx docs.)

NB: As we abstract this out, we use -e to check for .git
rather than -d, since in some situations .git may be a file
rather than a directory.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190305172139.32662-11-peter.maydell@linaro.org
Message-id: 20190228145624.24885-11-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2019-03-07 14:26:47 +00:00
parent 5f71eac06e
commit 57b49737ae
1 changed files with 16 additions and 17 deletions
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33
Makefile
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@ -87,6 +87,20 @@ endif
include $(SRC_PATH)/rules.mak
# Create QEMU_PKGVERSION and FULL_VERSION strings
# If PKGVERSION is set, use that; otherwise get version and -dirty status from git
QEMU_PKGVERSION := $(if $(PKGVERSION),$(PKGVERSION),$(shell \
cd $(SRC_PATH); \
if test -e .git; then \
git describe --match 'v*' 2>/dev/null | tr -d '\n'; \
if ! git diff-index --quiet HEAD &>/dev/null; then \
echo "-dirty"; \
fi; \
fi))
# Either "version (pkgversion)", or just "version" if pkgversion not set
FULL_VERSION := $(if $(QEMU_PKGVERSION),$(VERSION) ($(QEMU_PKGVERSION)),$(VERSION))
GENERATED_FILES = qemu-version.h config-host.h qemu-options.def
GENERATED_QAPI_FILES = qapi/qapi-builtin-types.h qapi/qapi-builtin-types.c
@ -392,23 +406,8 @@ all: $(DOCS) $(if $(BUILD_DOCS),sphinxdocs) $(TOOLS) $(HELPERS-y) recurse-all mo
qemu-version.h: FORCE
$(call quiet-command, \
(cd $(SRC_PATH); \
if test -n "$(PKGVERSION)"; then \
pkgvers="$(PKGVERSION)"; \
else \
if test -d .git; then \
pkgvers=$$(git describe --match 'v*' 2>/dev/null | tr -d '\n');\
if ! git diff-index --quiet HEAD &>/dev/null; then \
pkgvers="$${pkgvers}-dirty"; \
fi; \
fi; \
fi; \
printf "#define QEMU_PKGVERSION \"$${pkgvers}\"\n"; \
if test -n "$${pkgvers}"; then \
printf '#define QEMU_FULL_VERSION QEMU_VERSION " (" QEMU_PKGVERSION ")"\n'; \
else \
printf '#define QEMU_FULL_VERSION QEMU_VERSION\n'; \
fi; \
(printf '#define QEMU_PKGVERSION "$(QEMU_PKGVERSION)"\n'; \
printf '#define QEMU_FULL_VERSION "$(FULL_VERSION)"\n'; \
) > $@.tmp)
$(call quiet-command, if ! cmp -s $@ $@.tmp; then \
mv $@.tmp $@; \