tools: build: use correct lib name for libtracefs feature detection

Use libtracefs as package name to lookup the CFLAGS for libtracefs. This
makes it possible to use the distro specific path as include path for
the header file.

Link: https://lkml.kernel.org/r/[email protected]

Cc: Daniel Bristot de Oliveira <[email protected]>
Signed-off-by: Daniel Wagner <[email protected]>
Signed-off-by: Daniel Bristot de Oliveira <[email protected]>

Author: igaw

tools/build/feature/Makefile

@@ -213,7 +213,7 @@ $(OUTPUT)test-libtraceevent.bin:
 	$(BUILD) -ltraceevent
 
 $(OUTPUT)test-libtracefs.bin:
-	 $(BUILD) $(shell $(PKG_CONFIG) --cflags libtraceevent 2>/dev/null) -ltracefs
+	 $(BUILD) $(shell $(PKG_CONFIG) --cflags libtracefs 2>/dev/null) -ltracefs
 
 $(OUTPUT)test-libcrypto.bin:
 	$(BUILD) -lcrypto

tools/build/feature/test-libtracefs.c

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-#include <tracefs/tracefs.h>
+#include <tracefs.h>
 
 int main(void)
 {