set _GNU_SOURCE on cygwin

this is needed for pipe2()
2017-04-21 11:27:27 -03:00 · 2017-04-21 11:27:27 -03:00 · d35231ec60
parent 749696e71c
commit d35231ec60
1 changed files with 2 additions and 2 deletions
--- a/mk/lib.mk
+++ b/mk/lib.mk
@ -53,8 +53,8 @@ BUILD_SHARED_LIBS ?= 1

 ifeq ($(BUILD_SHARED_LIBS), 1)
  ifeq (CYGWIN,$(findstring CYGWIN,$(OS)))
-    GLOBAL_CFLAGS += -U__STRICT_ANSI__
-    GLOBAL_CXXFLAGS += -U__STRICT_ANSI__
+    GLOBAL_CFLAGS += -U__STRICT_ANSI__ -D_GNU_SOURCE
+    GLOBAL_CXXFLAGS += -U__STRICT_ANSI__ -D_GNU_SOURCE
  else
    GLOBAL_CFLAGS += -fPIC
    GLOBAL_CXXFLAGS += -fPIC