From: "Steven Rostedt (VMware)" <rostedt@xxxxxxxxxxx> When the libtracefs version changes, the libtracefs.pc needs to be updated, otherwise it may install the wrong version number. Signed-off-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx> --- Changes since v1: - Fixed version define calculation - Fixed alignment of updating tfs_version.h - Remove tfs_version.h in make clean .gitignore | 1 + Makefile | 31 ++++++++++++++++++++++++++++++- 2 files changed, 31 insertions(+), 1 deletion(-) diff --git a/.gitignore b/.gitignore index d2d39fb..ff3e014 100644 --- a/.gitignore +++ b/.gitignore @@ -8,3 +8,4 @@ lib/ patches/ build_prefix build_uninstall +tfs_version.h diff --git a/Makefile b/Makefile index 9de3217..a3ae0b8 100644 --- a/Makefile +++ b/Makefile @@ -203,10 +203,12 @@ endef BUILD_PREFIX := $(BUILD_OUTPUT)/build_prefix +VERSION_FILE = tfs_version.h + $(BUILD_PREFIX): force $(Q)$(call build_prefix,$(prefix)) -$(PKG_CONFIG_FILE) : ${PKG_CONFIG_SOURCE_FILE}.template $(BUILD_PREFIX) +$(PKG_CONFIG_FILE) : ${PKG_CONFIG_SOURCE_FILE}.template $(BUILD_PREFIX) $(VERSION_FILE) $(Q) $(call do_make_pkgconfig_file,$(prefix)) tags: force @@ -310,6 +312,32 @@ all: $(DEFAULT_TARGET) $(bdir): @mkdir -p $(bdir) +VERSION = $(TFS_VERSION) +PATCHLEVEL = $(TFS_PATCHLEVEL) +EXTRAVERSION = $(TFS_EXTRAVERSION) + +define make_version.h + (echo '/* This file is automatically generated. Do not modify. */'; \ + echo \#define VERSION_CODE $(shell \ + expr $(VERSION) \* 256 + $(PATCHLEVEL)); \ + echo '#define EXTRAVERSION ' $(EXTRAVERSION); \ + echo '#define VERSION_STRING "'$(VERSION).$(PATCHLEVEL).$(EXTRAVERSION)'"'; \ + ) > $1 +endef + +define update_version.h + ($(call make_version.h, $@.tmp); \ + if [ -r $@ ] && cmp -s $@ $@.tmp; then \ + rm -f $@.tmp; \ + else \ + echo ' UPDATE $@'; \ + mv -f $@.tmp $@; \ + fi); +endef + +$(VERSION_FILE): force + $(Q)$(call update_version.h) + $(LIBTRACEFS_STATIC): force $(Q)mkdir -p $(bdir) $(Q)$(MAKE) -C $(src)/src $@ @@ -323,5 +351,6 @@ clean: $(MAKE) -C $(src)/src clean $(RM) $(TARGETS) $(bdir)/*.a $(bdir)/*.so $(bdir)/*.so.* $(bdir)/*.o $(bdir)/.*.d $(RM) $(PKG_CONFIG_FILE) + $(RM) $(VERSION_FILE) .PHONY: clean -- 2.29.2