From eadf5fb7f8313d78fa503665e96457d080e6e3f9 Mon Sep 17 00:00:00 2001 From: Luke McKee Date: Sun, 24 Jul 2016 02:00:24 +0700 Subject: cmake: include/cmake.mk add CMAKE_BINARY_SUBDIR to allow out of source tree builds Some packages need out of source tree building with cmake, for example when building kernel modules. See an example here: https://sourceforge.net/p/accel-ppp/code/ci/master/tree/README Signed-off-by: Luke McKee Signed-off-by: Felix Fietkau [cleanup, rework] --- include/cmake.mk | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'include/cmake.mk') diff --git a/include/cmake.mk b/include/cmake.mk index 009c6c2772..fac2bc0227 100644 --- a/include/cmake.mk +++ b/include/cmake.mk @@ -6,7 +6,9 @@ ifneq ($(findstring c,$(OPENWRT_VERBOSE)),) MAKE_FLAGS+=VERBOSE=1 endif -CMAKE_SOURCE_DIR:=. +CMAKE_BINARY_DIR = $(PKG_BUILD_DIR)$(if $(CMAKE_BINARY_SUBDIR),/$(CMAKE_BINARY_SUBDIR)) +CMAKE_SOURCE_DIR = $(PKG_BUILD_DIR) +MAKE_PATH = $(firstword $(CMAKE_BINARY_SUBDIR) .) ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),) cmake_tool=$(TOOLCHAIN_DIR)/bin/$(1) @@ -35,7 +37,8 @@ CMAKE_HOST_FIND_ROOT_PATH:=$(STAGING_DIR)/host;$(STAGING_DIR_HOST) CMAKE_SHARED_LDFLAGS:=-Wl,-Bsymbolic-functions define Build/Configure/Default - (cd $(PKG_BUILD_DIR); \ + mkdir -p $(CMAKE_BINARY_DIR) + (cd $(CMAKE_BINARY_DIR); \ CFLAGS="$(TARGET_CFLAGS) $(EXTRA_CFLAGS)" \ CXXFLAGS="$(TARGET_CFLAGS) $(EXTRA_CFLAGS)" \ LDFLAGS="$(TARGET_LDFLAGS) $(EXTRA_LDFLAGS)" \ -- cgit v1.2.3