X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=include%2FMakefile.am;h=b67d262bc7918b608c1003c063f737e9592490b9;hp=bf9187f8a657ee26b75ca31e205194e584cba1cf;hb=351e30315a400ad45812afa7567719eef37139ff;hpb=10a8a2237343699e3923d87e24dbf2d7fe225377

diff --git a/include/Makefile.am b/include/Makefile.am
index bf9187f8a..b67d262bc 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -1 +1,84 @@
-lttnginclude_HEADERS = lttng/lttng.h
+if LTTNG_TOOLS_BUILD_GIT_SOURCE
+GIT_DESCRIBE_CMD = (cd $(top_srcdir); git describe)
+else
+GIT_DESCRIBE_CMD = /bin/true
+endif
+
+##
+## The version.h file must be verified and generated or updated if the
+## git commit id (called git version here) changed since the last build
+## of lttng-tools.
+##
+version.h:
+	##
+	## We first create variables for the current git version and
+	## the locations of the version.h and version.h.tmpl files.
+	##
+	@echo $(ECHO_N) "Generating version.h... $(ECHO_C)"
+	@(version_h_tmpl="$(top_srcdir)/include/version.h.tmpl"; \
+	if [ -f "$${version_h_tmpl}" ]; then \
+		version_h="$(top_builddir)/include/version.h"; \
+		##
+		## Check whether we are in a git repo.
+		##
+		git_describe="$$($(GIT_DESCRIBE_CMD) 2>/dev/null)"; \
+		if [ $$? -eq 0 ]; then \
+			git_version="$${git_describe}"; \
+		else \
+			git_version=""; \
+		fi; \
+		##
+		## If the version.h file doesn't exist or is not up to date,
+		## We replace it by the version.h.tmpl file.
+		##
+		if [ ! -e "$${version_h}" ] || \
+			[ "$${version_h_tmpl}" -nt "$${version_h}" ]; then \
+			cp "$${version_h_tmpl}" "$${version_h}"; \
+		fi; \
+		echo $(ECHO_N) "git version: \"$${git_version}\"$(ECHO_C)"; \
+		##
+		## We verify that git_version isn't the same as the one
+		## currently in the file (if there is one), as we don't
+		## want to update the file if it is already up to date.
+		##
+		version_match='^#define GIT_VERSION.*'; \
+		old_version=$$($(GREP) "$${version_match}" "$${version_h}"); \
+		new_version="#define GIT_VERSION	\"$${git_version}\""; \
+		if [ x"$${old_version}" != x"$${new_version}" ]; then \
+			$(SED) -i "s'$${version_match}'$${new_version}'" "$${version_h}"; \
+		else \
+			echo $(ECHO_N) " (cached)$(ECHO_C)"; \
+		fi; \
+		echo $(ECHO_N) "... $(ECHO_C)"; \
+	fi)
+	@echo "$(ECHO_T)ok"
+
+##
+## version.h is defined as a .PHONY file even if it's a real file as
+## we want our routine to be ran for each build.
+##
+.PHONY: version.h
+
+nodist_noinst_HEADERS = \
+	version.h
+
+lttnginclude_HEADERS = \
+	lttng/health.h \
+	lttng/lttng.h \
+	lttng/constant.h \
+	lttng/channel.h \
+	lttng/domain.h \
+	lttng/event.h \
+	lttng/handle.h \
+	lttng/session.h \
+	lttng/lttng-error.h \
+	lttng/snapshot.h \
+	lttng/save.h \
+	lttng/load.h \
+	version.h.tmpl
+
+noinst_HEADERS = \
+	lttng/snapshot-internal.h \
+	lttng/health-internal.h \
+	lttng/save-internal.h \
+	lttng/load-internal.h