Fix: Don't override user variables within the build system

[lttng-tools.git] / tests / regression / ust / ust-dl / Makefile.am

diff --git a/tests/regression/ust/ust-dl/Makefile.am b/tests/regression/ust/ust-dl/Makefile.am
index 385d448241472e1e42a5d45be63bee2424488117..5a60c167914adc65a06d16e99ae997254879f308 100644 (file)
--- a/tests/regression/ust/ust-dl/Makefile.am
+++ b/tests/regression/ust/ust-dl/Makefile.am
@@ -15,7 +15,7 @@ objcopy_verbose = $(objcopy_verbose_@AM_V@)
 objcopy_verbose_ = $(objcopy_verbose_@AM_DEFAULT_V@)
 objcopy_verbose_0 = @echo OBJCOPY $@;
 
-AM_CPPFLAGS = -I$(srcdir) -g
+AM_CPPFLAGS += -I$(srcdir) -g
 
 noinst_PROGRAMS = prog
 prog_SOURCES = prog.c