X-Git-Url: https://git.ao2.it/libam7xxx.git/blobdiff_plain/64bea6dc25f83972f751e55739049409efd9010a..854d802794a6c67c3bb7fe87f1b023f8d68f6ef3:/Makefile

diff --git a/Makefile b/Makefile
index 20b44c4..ed57b89 100644
--- a/Makefile
+++ b/Makefile
@@ -42,6 +42,7 @@ bindir := $(PREFIX)/sbin
 all: picoproj
 
 CFLAGS += -D_BSD_SOURCE # for htole32()
+CFLAGS += -D_POSIX_C_SOURCE=2 # for getopt()
 
 picoproj: picoproj.o