# Find Subversion client libraries, and dependencies
# including APR (Apache Portable Runtime)
+include (CheckFunctionExists)
+include (CheckIncludeFile)
+include (CheckLibraryExists)
+
+macro(find_static_component comp libs)
+ # account for alternative Windows svn distribution naming
+ if(MSVC)
+ set(compLib "lib${comp}")
+ else(MSVC)
+ set(compLib "${comp}")
+ endif(MSVC)
+
+ string(TOUPPER "${comp}" compLibBase)
+ set( compLibName ${compLibBase}_LIBRARY )
+
+ FIND_LIBRARY(${compLibName}
+ NAMES ${compLib}
+ HINTS $ENV{PLIBDIR}
+ PATH_SUFFIXES lib64 lib libs64 libs libs/Win32 libs/Win64
+ PATHS
+ /usr/local
+ /usr
+ /opt
+ )
+
+ list(APPEND ${libs} ${${compLibName}})
+endmacro()
+
+find_program(HAVE_APR_CONFIG apr-1-config)
+if(HAVE_APR_CONFIG)
+
+ execute_process(COMMAND apr-1-config --cppflags --includes
+ OUTPUT_VARIABLE APR_CFLAGS
+ OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+ execute_process(COMMAND apr-1-config --link-ld
+ OUTPUT_VARIABLE RAW_APR_LIBS
+ OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+# clean up some vars, or other CMake pieces complain
+ string(STRIP "${RAW_APR_LIBS}" APR_LIBS)
+
+else(HAVE_APR_CONFIG)
+ message(STATUS "apr-1-config not found, implement manual search for APR")
+endif(HAVE_APR_CONFIG)
+
+if(HAVE_APR_CONFIG OR MSVC)
+ find_path(LIBSVN_INCLUDE_DIR svn_client.h
+ HINTS
+ $ENV{LIBSVN_DIR}
+ PATH_SUFFIXES include/subversion-1
+ PATHS
+ /usr/local
+ /usr
+ /opt
+ )
+
+ set(LIBSVN_LIBRARIES "")
+ if (MSVC)
+ find_static_component("apr-1" LIBSVN_LIBRARIES)
+ else (MSVC)
+ list(APPEND LIBSVN_LIBRARIES ${APR_LIBS})
+ endif (MSVC)
+ find_static_component("svn_client-1" LIBSVN_LIBRARIES)
+ find_static_component("svn_subr-1" LIBSVN_LIBRARIES)
+ find_static_component("svn_ra-1" LIBSVN_LIBRARIES)
+
+ include(FindPackageHandleStandardArgs)
+ FIND_PACKAGE_HANDLE_STANDARD_ARGS(LIBSVN DEFAULT_MSG LIBSVN_LIBRARIES LIBSVN_INCLUDE_DIR)
+ if(NOT LIBSVN_FOUND)
+ set(LIBSVN_LIBRARIES "")
+ endif(NOT LIBSVN_FOUND)
+endif(HAVE_APR_CONFIG OR MSVC)