X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=Makefile.am;h=622cd5028ba8c6acb0a70acad0a7247666ddad5a;hb=5b869e978a67802bc56713534987870a279405cb;hp=d2447c651ea36dfff2d3c28ab6f0f7454a124724;hpb=bbb3996c06f2b1ebc9529d1e2181ddc55f70d9da;p=libsigrok.git

diff --git a/Makefile.am b/Makefile.am
index d2447c65..622cd502 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -29,7 +29,7 @@ if BINDINGS_CXX
 local_includes += -Ibindings/cxx/include -I$(srcdir)/bindings/cxx/include -Ibindings/cxx
 endif
 # Ensure that local include directories are always searched first.
-AM_CPPFLAGS = $(local_includes) -D_DEFAULT_SOURCE -DFIRMWARE_DIR='"$(FIRMWARE_DIR)"'
+AM_CPPFLAGS = $(local_includes) -D_POSIX_C_SOURCE=200112L -DFIRMWARE_DIR='"$(FIRMWARE_DIR)"'
 
 # The tests CFLAGS are a superset of the libsigrok CFLAGS, and the
 # python bindings CFLAGS are a superset of the C++ bindings CFLAGS.