include/Makefile.am

   1 if LTTNG_TOOLS_BUILD_GIT_SOURCE
   2 GIT_DESCRIBE_CMD = (cd $(top_srcdir); git describe)
   3 else
   4 GIT_DESCRIBE_CMD = /bin/true
   5 endif
   6
   7 ##
   8 ## The version.h file must be verified and generated or updated if the
   9 ## git commit id (called git version here) changed since the last build
  10 ## of lttng-tools.
  11 ##
  12 version.h:
  13         ##
  14         ## We first create variables for the current git version and
  15         ## the locations of the version.h and version.h.tmpl files.
  16         ##
  17         @echo $(ECHO_N) "Generating version.h... $(ECHO_C)"
  18         @(version_h_tmpl="$(top_srcdir)/include/version.h.tmpl"; \
  19         if [ -f "$${version_h_tmpl}" ]; then \
  20                 version_h="$(top_builddir)/include/version.h"; \
  21                 ##
  22                 ## Check whether we are in a git repo.
  23                 ##
  24                 git_describe="$$($(GIT_DESCRIBE_CMD) 2>/dev/null)"; \
  25                 if [ $$? -eq 0 ]; then \
  26                         git_version="$${git_describe}"; \
  27                 else \
  28                         git_version=""; \
  29                 fi; \
  30                 ##
  31                 ## If the version.h file doesn't exist or is not up to date,
  32                 ## We replace it by the version.h.tmpl file.
  33                 ##
  34                 if [ ! -e "$${version_h}" ] || \
  35                         [ "$${version_h_tmpl}" -nt "$${version_h}" ]; then \
  36                         cp "$${version_h_tmpl}" "$${version_h}"; \
  37                 fi; \
  38                 echo $(ECHO_N) "git version: \"$${git_version}\"$(ECHO_C)"; \
  39                 ##
  40                 ## We verify that git_version isn't the same as the one
  41                 ## currently in the file (if there is one), as we don't
  42                 ## want to update the file if it is already up to date.
  43                 ##
  44                 version_match='^#define GIT_VERSION.*'; \
  45                 old_version=$$($(GREP) "$${version_match}" "$${version_h}"); \
  46                 new_version="#define GIT_VERSION        \"$${git_version}\""; \
  47                 if [ x"$${old_version}" != x"$${new_version}" ]; then \
  48                         $(SED) -i "s'$${version_match}'$${new_version}'" "$${version_h}"; \
  49                 else \
  50                         echo $(ECHO_N) " (cached)$(ECHO_C)"; \
  51                 fi; \
  52                 echo $(ECHO_N) "... $(ECHO_C)"; \
  53         fi)
  54         @echo "$(ECHO_T)ok"
  55
  56 ##
  57 ## version.h is defined as a .PHONY file even if it's a real file as
  58 ## we want our routine to be ran for each build.
  59 ##
  60 .PHONY: version.h
  61
  62 CLEANFILES = version.h
  63
  64 nodist_noinst_HEADERS = \
  65         version.h
  66
  67 lttnginclude_HEADERS = \
  68         lttng/health.h \
  69         lttng/lttng.h \
  70         lttng/constant.h \
  71         lttng/channel.h \
  72         lttng/domain.h \
  73         lttng/event.h \
  74         lttng/handle.h \
  75         lttng/session.h \
  76         lttng/lttng-error.h \
  77         lttng/snapshot.h \
  78         lttng/save.h \
  79         lttng/load.h \
  80         version.h.tmpl
  81
  82 noinst_HEADERS = \
  83         lttng/snapshot-internal.h \
  84         lttng/health-internal.h \
  85         lttng/save-internal.h \
  86         lttng/load-internal.h