[英]Include Eigen library for Xcode project via CMake/CMakeLists.txt
[英]CMake - Defining Include Paths and Library in Top-Level CMakeLists.txt
我的源代码树看起来像这样:
--- src/CMakeLists.txt
--- src/MoonLanding/
----- CMakeLists.txt
----- main.cpp
要在src/Moonlanding/
构建MoonLanding
项目,我会执行以下操作
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/
上面对cmake的调用很有效, MoonLanding
编译。
但是,我想调用cmake .
在src/
。 为此,我将src/CMakeLists.txt
定义为:
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然后给我错误:
CMake Error at /usr/local/share/cmake-3.0/Modules/FindPackageHandleStandardArgs.cmake:136 (message):
Could NOT find LMDB (missing: LMDB_INCLUDE_DIR LMDB_LIBRARIES)
如果我再次调用cmake
,则错误消失。 总的来说,我需要打电话给cmake .
src/Moonlanding
从src/
编译三次。 为什么会这样,是否有更清洁的方式来实现这个项目的建设?
(我想分离GFLAGS_INCLUDE_DIR和其他指令的原因是为了帮助自动化用户的构建过程。)
在命令行和cmake set()
命令之间设置变量之间的唯一区别(适用于您的情况)是默认缓存策略。
您最有可能通过缓存值来解决问题:
set(GFLAGS_INCLUDE_DIR $ENV{CBVR_DEPENDENCIES}/gflags/build/include CACHE PATH "Some comment here")
# other sets with "CACHE" addition
PS。 在cmake源中每次与缓存相关的更改后,不要忘记进行干净的构建
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