Github user wgtmac commented on a diff in the pull request:
https://github.com/apache/orc/pull/191#discussion_r153603410
--- Diff: site/_docs/building.md ---
@@ -70,3 +70,25 @@ To build:
% mvn package
~~~
+## Building just C++
+
+~~~ shell
+% mkdir build
+% cd build
+% cmake .. -DBUILD_JAVA=OFF
+% make package test-out
+~~~
+
+## Specify third-party libraries for C++ build
+
+~~~ shell
+% mkdir build
+% cd build
+% GTEST_HOME=<PATH to Google Test library> \
+ SNAPPY_HOME=<PATH to Snappy library> \
+ ZLIB_HOME=<PATH to ZLIB library> \
+ LZ4_HOME=<PATH to LZ4 library> \
+ PROTOBUF_HOME=<PATH to Protobuf library> \
+ cmake .. -DBUILD_JAVA=OFF
+% make package test-out
--- End diff --
I need to explicitly set OPENSSL_ROOT_DIR on my mac, otherwise I will end
up with the following error message:
CMake Error at
/Applications/CMake.app/Contents/share/cmake-3.7/Modules/FindPackageHandleStandardArgs.cmake:138
(message):
Could NOT find OpenSSL, try to set the path to OpenSSL root folder in the
system variable OPENSSL_ROOT_DIR (missing: OPENSSL_INCLUDE_DIR)
Call Stack (most recent call first):
/Applications/CMake.app/Contents/share/cmake-3.7/Modules/FindPackageHandleStandardArgs.cmake:378
(_FPHSA_FAILURE_MESSAGE)
/Applications/CMake.app/Contents/share/cmake-3.7/Modules/FindOpenSSL.cmake:385
(find_package_handle_standard_args)
CMakeLists.txt:41 (find_package)
---
