Check if the AR environment variable exists for cross compilation

[lttng-ust.git] / doc / examples / hello-static-lib / Makefile

diff --git a/doc/examples/hello-static-lib/Makefile b/doc/examples/hello-static-lib/Makefile
index cf72b35d34e720c2ea4bf45a8132ab2a16b9ab92..f84960cb5ef4728b39bfad04496b37bebb0c4985 100644 (file)
--- a/doc/examples/hello-static-lib/Makefile
+++ b/doc/examples/hello-static-lib/Makefile
@@ -17,6 +17,7 @@
 LOCAL_CPPFLAGS += -I.
 LIBS = -ldl -llttng-ust        # On Linux
 #LIBS = -lc -llttng-ust        # On BSD
+AR ?= ar
 
 all: hello
 
@@ -25,7 +26,7 @@ lttng-ust-provider-hello.o: tp.c ust_tests_hello.h
                $(CFLAGS) -c -o $@ $<
 
 lttng-ust-provider-hello.a: lttng-ust-provider-hello.o
-       ar -rc $@ lttng-ust-provider-hello.o
+       $(AR) -rc $@ lttng-ust-provider-hello.o
 
 hello.o: hello.c
        $(CC) $(CPPFLAGS) $(LOCAL_CPPFLAGS) $(AM_CFLAGS) $(AM_CPPFLAGS) \