[英]Include Eigen library for Xcode project via CMake/CMakeLists.txt
[英]CMake - Defining Include Paths and Library in Top-Level CMakeLists.txt
我的源代碼樹看起來像這樣:
--- src/CMakeLists.txt
--- src/MoonLanding/
----- CMakeLists.txt
----- main.cpp
要在src/Moonlanding/
構建MoonLanding
項目,我會執行以下操作
cmake . -DGFLAGS_INCLUDE_DIR=${CBVR_DEPENDENCIES}/gflags/build/include \
-DGFLAGS_LIBRARY=${CBVR_DEPENDENCIES}/gflags/build/lib/libgflags.a \
-DAtlas_CBLAS_INCLUDE_DIR=${CBVR_DEPENDENCIES}/ATLAS-install/include \
-DAtlas_CBLAS_LIBRARY=${CBVR_DEPENDENCIES}/ATLAS-install/lib/libcblas.a \
-DAtlas_CLAPACK_INCLUDE_DIR=${CBVR_DEPENDENCIES}/ATLAS-install/include \
-DAtlas_LAPACK_LIBRARY=${CBVR_DEPENDENCIES}/ATLAS-install/lib/liblapack.a \
-DAtlas_BLAS_LIBRARY=${CBVR_DEPENDENCIES}/ATLAS-install/lib/libatlas.a \
-DLMDB_INCLUDE_DIR=${CBVR_DEPENDENCIES}/mdb/libraries/liblmdb \
-DLMDB_LIBRARIES=${CBVR_DEPENDENCIES}/mdb/libraries/liblmdb/liblmdb.so \
-DBOOST_ROOT=${CBVR_DEPENDENCIES}/boost_1_56_0/
上面對cmake的調用很有效, MoonLanding
編譯。
但是,我想調用cmake .
在src/
。 為此,我將src/CMakeLists.txt
定義為:
set(GFLAGS_INCLUDE_DIR $ENV{CBVR_DEPENDENCIES}/gflags/build/include)
set(GFLAGS_LIBRARY $ENV{CBVR_DEPENDENCIES}/gflags/build/lib/libgflags.a)
set(Atlas_CBLAS_INCLUDE_DIR $ENV{CBVR_DEPENDENCIES}/ATLAS-install/include)
set(Atlas_CBLAS_LIBRARY $ENV{CBVR_DEPENDENCIES}/ATLAS-install/lib/libcblas.a)
set(Atlas_CLAPACK_INCLUDE_DIR $ENV{CBVR_DEPENDENCIES}/ATLAS-install/include)
set(Atlas_LAPACK_LIBRARY $ENV{CBVR_DEPENDENCIES}/ATLAS-install/lib/liblapack.a)
set(Atlas_BLAS_LIBRARY $ENV{CBVR_DEPENDENCIES}/ATLAS-install/lib/libatlas.a)
set(LMDB_INCLUDE_DIR $ENV{CBVR_DEPENDENCIES}/mdb/libraries/liblmdb)
set(LMDB_LIBRARIES $ENV{CBVR_DEPENDENCIES}/mdb/libraries/liblmdb/liblmdb.so)
set(BOOST_ROOT $ENV{CBVR_DEPENDENCIES}/boost_1_56_0/)
add_subdirectory(Moonlanding)
CMake然后給我錯誤:
CMake Error at /usr/local/share/cmake-3.0/Modules/FindPackageHandleStandardArgs.cmake:136 (message):
Could NOT find LMDB (missing: LMDB_INCLUDE_DIR LMDB_LIBRARIES)
如果我再次調用cmake
,則錯誤消失。 總的來說,我需要打電話給cmake .
src/Moonlanding
從src/
編譯三次。 為什么會這樣,是否有更清潔的方式來實現這個項目的建設?
(我想分離GFLAGS_INCLUDE_DIR和其他指令的原因是為了幫助自動化用戶的構建過程。)
在命令行和cmake set()
命令之間設置變量之間的唯一區別(適用於您的情況)是默認緩存策略。
您最有可能通過緩存值來解決問題:
set(GFLAGS_INCLUDE_DIR $ENV{CBVR_DEPENDENCIES}/gflags/build/include CACHE PATH "Some comment here")
# other sets with "CACHE" addition
PS。 在cmake源中每次與緩存相關的更改后,不要忘記進行干凈的構建
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