[Buildroot] [PATCH 3/4] Makefile: generate CMake toolchain file in $(O)
Bjørn Forsman
bjorn.forsman at gmail.com
Sun Dec 12 19:29:14 UTC 2010
A CMake toolchain file makes it easy to develop CMake-based packages
outside of Buildroot. Just give the toolchain file path to CMake via the
-DCMAKE_TOOLCHAIN_FILE=... option.
Signed-off-by: Bjørn Forsman <bjorn.forsman at gmail.com>
---
Makefile | 12 +++++++++++-
1 files changed, 11 insertions(+), 1 deletions(-)
diff --git a/Makefile b/Makefile
index 7d6e4af..0cf49d4 100644
--- a/Makefile
+++ b/Makefile
@@ -358,7 +358,7 @@ $(TARGETS_ALL): __real_tgt_%: $(BASE_TARGETS) %
dirs: $(DL_DIR) $(TOOLCHAIN_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
$(HOST_DIR) $(BR2_DEPENDS_DIR) $(BINARIES_DIR) $(STAMP_DIR)
-$(BASE_TARGETS): dirs
+$(BASE_TARGETS): dirs $(O)/toolchainfile.cmake
$(BUILD_DIR)/buildroot-config/auto.conf: $(CONFIG_DIR)/.config
$(MAKE) $(EXTRAMAKEARGS) silentoldconfig
@@ -367,6 +367,16 @@ prepare: $(BUILD_DIR)/buildroot-config/auto.conf
world: prepare dependencies dirs $(BASE_TARGETS) $(TARGETS_ALL)
+$(O)/toolchainfile.cmake:
+ @echo -en "\
+ set(CMAKE_SYSTEM_NAME Linux)\n\
+ set(CMAKE_C_COMPILER $(CMAKE_TARGET_CC))\n\
+ set(CMAKE_CXX_COMPILER $(CMAKE_TARGET_CXX))\n\
+ set(CMAKE_FIND_ROOT_PATH $(STAGING_DIR))\n\
+ set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)\n\
+ set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)\n\
+ set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)\n\
+ " > $@
.PHONY: all world dirs clean distclean source outputmakefile \
$(BASE_TARGETS) $(TARGETS) $(TARGETS_ALL) \
--
1.7.1
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