From: "Steven Rostedt (VMware)" <rostedt@xxxxxxxxxxx>
As libtracefs may in the future require new APIs from libtraceveent, add a
test to make sure that the required libtraceevent is installed on the
system.
Signed-off-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>
---
Makefile | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/Makefile b/Makefile
index 0eddb61..ff1a3a6 100644
--- a/Makefile
+++ b/Makefile
@@ -10,6 +10,8 @@ export TFS_PATCHLEVEL
export TFS_EXTRAVERSION
export TRACEFS_VERSION
+LIBTRACEEVENT_MIN_VERSION = 1.1
+
# taken from trace-cmd
MAKEFLAGS += --no-print-directory
@@ -62,12 +64,14 @@ includedir_SQ = '$(subst ','\'',$(includedir))'
pkgconfig_dir ?= $(word 1,$(shell $(PKG_CONFIG) \
--variable pc_path pkg-config | tr ":" " "))
-LIBTRACEEVENT_INCLUDES = $(shell $(PKG_CONFIG) --cflags libtraceevent)
-LIBTRACEEVENT_LIBS = $(shell $(PKG_CONFIG) --libs libtraceevent)
+TEST_LIBTRACEEVENT = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEEVENT_MIN_VERSION) libtraceevent > /dev/null 2>&1 && echo y")
-ifneq ($(MAKECMDGOALS),clean)
- ifeq ("$(LIBTRACEEVENT_INCLUDES)","")
- $(error libtraceevent.so not installed)
+ifeq ("$(TEST_LIBTRACEEVENT)", "y")
+LIBTRACEEVENT_INCLUDES = $(shell sh -c "$(PKG_CONFIG) --cflags libtraceevent")
+LIBTRACEEVENT_LIBS = $(shell sh -c "$(PKG_CONFIG) --libs libtraceevent")
+else
+ ifneq ($(MAKECMDGOALS),clean)
+ $(error libtraceevent.so minimum version of $(LIBTRACEEVENT_MIN_VERSION) not installed)
endif
endif
--
2.29.2
|