Stephen Collyer wrote:
I have a top-level cmake list file with this in it:
OPTION (MDP_BUILD_SHARED_LIBS "Build Shared Libraries" ON)
SET (LIB_TYPE STATIC)
IF (MDP_BUILD_SHARED_LIBS)
SET (LIB_TYPE SHARED)
IF (WIN32)
ADD_DEFINITIONS("-DMDP_BUILD_SHARED_LIBS")
ENDIF (WIN32)
ENDIF (MDP_BUILD_SHARED_LIBS)
In a lower subdirectory, I have this to build a library:
ADD_LIBRARY(Test ${LIB_TYPE} Test.cpp)
the idea being that I can drive the generation of shared/static
libraries via the setting of the MDP_BUILD_SHARED_LIBS setting
which defaults to ON. However if I run cmake in an out-of-source
build from scratch and run a "make all", it seems that LIB_TYPE
is'nt being seen inside the lower subdirs - I've tested this by
adding "SET (LIB_TYPE SHARED)" explicitly to the library cmake
list file, then it build a shared library.
Can someone explain what's going on here. I'm beginning to
tear my hair out.
And for added bonus: is there a cmake log file generated anywhere
so I can see what it thinks it doing ? I can't find one anywhere.
If you want to change all the libraries in your project to shared, you
can use the global variable BUILD_SHARED_LIBS, and use add_library
without specifying shared or static.
$ cmake --help-command add_library
cmake version 2.4-patch 7
ADD_LIBRARY
Add a library to the project using the specified source files.
ADD_LIBRARY(libname [SHARED | STATIC | MODULE]
..... If no keywords appear as the
second argument, the type defaults to the current value of
BUILD_SHARED_LIBS. If this variable is not set, the type
defaults to STATIC.
Log files are found in CMakeFiles directory.
-Bill
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