wireguard: fix portability issue

Check if the compiler defines __linux__, instead of assuming that the
host OS is the same as the target OS.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2017-11-11 13:15:24 +01:00
parent f7186599ce
commit 12f9305c12

View file

@ -0,0 +1,18 @@
tools: fix portability issue
Check if the compiler defines __linux__, instead of assuming that the
host OS is the same as the target OS.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/src/tools/Makefile
+++ b/src/tools/Makefile
@@ -39,7 +39,7 @@ CFLAGS += -DRUNSTATEDIR="\"$(RUNSTATEDIR
ifeq ($(DEBUG_TOOLS),y)
CFLAGS += -g
endif
-ifeq ($(shell uname -s),Linux)
+ifeq ($(strip $(shell echo __linux__ | $(CC) -E - | grep -v '^\#')),1)
LIBMNL_CFLAGS := $(shell $(PKG_CONFIG) --cflags libmnl 2>/dev/null)
LIBMNL_LDLIBS := $(shell $(PKG_CONFIG) --libs libmnl 2>/dev/null || echo -lmnl)
CFLAGS += $(LIBMNL_CFLAGS)